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Original Article

A Comparison of Two Antimicrobial-Impregnated Central Venous Catheters

Rabih O. Darouiche, M.D., Issam I. Raad, M.D., Stephen O. Heard, M.D., John I. Thornby, Ph.D., Olivier C. Wenker, M.D., Andrea Gabrielli, M.D., Johannes Berg, M.D., Nancy Khardori, M.D., Hend Hanna, M.D., Ray Hachem, M.D., Richard L. Harris, M.D., and Glen Mayhall, M.D. for the Catheter Study Group

N Engl J Med 1999; 340:1-8January 7, 1999

Abstract

Background

The use of central venous catheters impregnated with either minocycline and rifampin or chlorhexidine and silver sulfadiazine reduces the rates of catheter colonization and catheter-related bloodstream infection as compared with the use of unimpregnated catheters. We compared the rates of catheter colonization and catheter-related bloodstream infection associated with these two kinds of antiinfective catheters.

Methods

We conducted a prospective, randomized clinical trial in 12 university-affiliated hospitals. High-risk adult patients in whom central venous catheters were expected to remain in place for three or more days were randomly assigned to undergo insertion of polyurethane, triple-lumen catheters impregnated with either minocycline and rifampin (on both the luminal and external surfaces) or chlorhexidine and silver sulfadiazine (on only the external surface). After their removal, the tips and subcutaneous segments of the catheters were cultured by both the roll-plate and the sonication methods. Peripheral-blood cultures were obtained if clinically indicated.

Results

Of 865 catheters inserted, 738 (85 percent) produced culture results that could be evaluated. The clinical characteristics of the patients and the risk factors for infection were similar in the two groups. Catheters impregnated with minocycline and rifampin were 1/3 as likely to be colonized as catheters impregnated with chlorhexidine and silver sulfadiazine (28 of 356 catheters [7.9 percent] vs. 87 of 382 [22.8 percent], P<0.001), and catheter-related bloodstream infection was 1/12 as likely in catheters impregnated with minocycline and rifampin (1 of 356 [0.3 percent], vs. 13 of 382 [3.4 percent] for those impregnated with chlorhexidine and silver sulfadiazine; P<0.002).

Conclusions

The use of central venous catheters impregnated with minocycline and rifampin is associated with a lower rate of infection than the use of catheters impregnated with chlorhexidine and silver sulfadiazine.

Media in This Article

Figure 2Representative DNA-Fingerprint Patterns in Repetitive-Element Polymerase-Chain-Reaction Analysis of Isolates from Cultures of Catheter Segments, Peripheral Blood, and Skin from Seven Patients with Catheter-Related Bloodstream Infection.
Figure 1Kaplan–Meier Curves for Freedom from Bloodstream Infection with Catheters Impregnated with Either Minocycline and Rifampin or Chlorhexidine and Silver Sulfadiazine.
Article

Infection associated with the use of central venous catheters can result in serious medical complications and expensive care.1 In prospective, randomized clinical trials, the use of central venous catheters impregnated with either minocycline and rifampin2 or chlorhexidine and silver sulfadiazine3 was associated with reduced rates of catheter colonization and catheter-related bloodstream infection, as compared with unimpregnated catheters. In vitro studies4 and studies in animals5 have suggested that catheters impregnated with minocycline and rifampin can resist infection more effectively than catheters impregnated with chlorhexidine and silver sulfadiazine, but the clinical efficacy of these two types of antiinfective catheters has not been compared directly. We compared catheters impregnated with minocycline and rifampin with those impregnated with chlorhexidine and silver sulfadiazine in terms of the rates of colonization of catheters and bloodstream infection.

Methods

Patients

The trial was conducted between December 1995 and July 1997 in 12 university-affiliated hospitals. The study was approved by the appropriate institutional review boards. Hospitalized adults who were at high risk for catheter-related infection (such as patients in intensive care units or those who were immunocompromised) and were likely to require a central venous catheter for three or more days were eligible for the study. Pregnant women and patients with a history of allergy to any of the antimicrobial agents used for impregnating the catheters were excluded. All enrolled patients or their legal guardians gave informed consent.

Catheters

Patients were randomly assigned to undergo implantation of 7-French, 20-cm-long, noncuffed, triple-lumen polyurethane central venous catheters impregnated with either minocycline and rifampin (Cook Spectrum, Cook Critical Care, Bloomington, Ind.) or chlorhexidine and silver sulfadiazine (Arrowguard Blue, Arrow International, Reading, Pa.). Both types of catheter are available for clinical use; the retail prices of a catheter tray are $70 and $61, respectively. The catheters impregnated with minocycline and rifampin provided antimicrobial activity on both the external and the internal surfaces. Examination by high-performance liquid chromatography showed that these catheters contained higher amounts of minocycline and rifampin (11.08 and 10.50 mg per catheter, respectively) than those previously studied (2.79 and 0.28 mg per catheter, respectively).2,5 In contrast, only the external surface of catheters impregnated with chlorhexidine and silver sulfadiazine (0.75 and 0.70 mg per catheter, respectively) provided antimicrobial activity.3 All study catheters were sterilized with ethylene oxide before use.

Randomization

A special randomization scheme was used to help match the two study groups closely. Catheter trays wrapped in identical folders were randomly assigned in blinded fashion according to computer-generated identification numbers, in blocks of six (three from each group), so that the catheter trays would be removed from the box one at a time in the prescribed, random order from the top to the bottom. Blocks of six catheters were then shipped to the participating hospitals for assignment to specified patient-care units. In each case, the patients, nurses, physicians, and principal investigators who assessed the outcomes in each hospital were unaware of the type of catheter inserted.

Insertion and Maintenance of Catheters

Attending physicians, house staff, or supervised medical students inserted the catheters into the subclavian, jugular, or femoral vein using maximal sterile-barrier precautions. To avoid the potential confounding effect of the controversial practice of catheter exchange over a guide wire, we determined at the outset of the trial to study only catheters inserted through a new venipuncture. Randomly selected study catheters could be inserted subsequently at new sites in the same patient, so long as that patient had only one study catheter at a time. At the time of catheter insertion and at each dressing change, the insertion site was disinfected with 10 percent povidone–iodine. The dressing was changed and the insertion site was inspected three times a week. Coordinators at each study location evaluated patients daily until the catheter was removed. The decision to remove the catheter was made solely by the patient's physician, who kept the catheter in place until it was no longer needed or until an adverse event, such as catheter-related infection or catheter occlusion, necessitated its removal.

Cultures

Four-centimeter segments from the tips and subcutaneous sections of the aseptically removed catheters were cultured by the roll-plate method,6 then cultured by the sonication method.7 To help identify the sources of organisms that colonize catheters, swab cultures of surrounding skin were obtained at the times of catheter insertion and catheter removal in four participating hospitals. In patients in whom catheter-related infection was suspected on clinical grounds, one or more peripheral-blood samples for culture were collected before or immediately after catheter removal. Recovered organisms were identified by standard microbiologic methods.

Molecular Typing

Bacterial isolates from cultures of blood, catheters, and, when available, skin of patients in whom catheter-related bloodstream infection was diagnosed were typed by genomic fingerprinting with the use of the repetitive-element polymerase chain reaction.8 If the same bacterial species was isolated from different sites in a single patient, DNA-fingerprint patterns were compared for similarity by visual inspection of band patterns and by computer-assisted analysis (RFLPscan Plus, Scanalytics, Billerica, Mass.). Bacterial isolates were considered similar if fingerprint patterns differed by no more than one amplification band.

Antimicrobial Susceptibility

To help determine whether these antimicrobial-impregnated catheters increase the likelihood of the emergence of antibiotic resistance, we compared the minimal inhibitory concentrations and minimal bactericidal concentrations for bacteria isolated from the two kinds of catheters by a standard broth-microdilution assay.9

Definitions

We adopted the definitions of catheter colonization and infection proposed by the Centers for Disease Control and Prevention10,11 and used in previous clinical trials.2 Catheter colonization was defined as the growth of 15 or more colony-forming units in culture of catheter segments prepared by the roll-plate method or 1000 or more colony-forming units in cultures prepared by the sonication method from either the tip or a subcutaneous segment of the catheter. Catheter-related bloodstream infection was defined as the isolation of the same organism (i.e., the same species with identical antimicrobial susceptibility) from the colonized catheter and from peripheral blood in a patient with clinical manifestations of sepsis and no other apparent source of bloodstream infection.

Statistical Analysis

Before undertaking this study, we estimated the number of catheters that would be required for an adequate examination of the hypothesis that catheters impregnated with minocycline and rifampin are significantly less likely to be colonized than catheters impregnated with chlorhexidine and silver sulfadiazine. On the basis of previous reports, we estimated that 7 percent of catheters impregnated with minocycline and rifampin2 and 13.6 percent of catheters impregnated with chlorhexidine and silver sulfadiazine3 would be colonized. Randomly assigning approximately 362 catheters that could be evaluated to each group would have allowed us to detect with 80 percent power a significant difference in the rates of colonization between the two types of catheters at a two-tailed significance level of 5 percent.

The significance of the differences between the two study groups was determined with use of Student's t-test or the Wilcoxon rank-sum test for continuous variables and Fisher's exact test or the chi-square test for categorical variables. All P values were based on two-tailed tests of significance. The proportions of catheters that were free of colonization and not associated with bloodstream infection as a function of the length of time they had been in place were compared between the groups with use of a log-rank test on Kaplan–Meier estimates. A multivariate logistic-regression model was used to estimate the simultaneous effects of multiple variables on the incidence of catheter colonization and catheter-related bloodstream infection. To avoid rejecting variables that might have influenced the risk of catheter colonization or catheter-related bloodstream infection, variables that were significant at a P value of 0.25 or less in the univariate analysis were entered in stepwise fashion into logistic-regression analyses and tested for an independent effect. The limit for entering or removing variables in the logistic-regression models was a P value of 0.05 or less. All computations were performed with SAS/STAT software.12 An independent monitoring board composed of experts on infectious diseases reviewed and helped interpret the findings of the study. An interim analysis of the data was not performed.

Results

Characteristics of Patients and Catheters

A total of 865 study catheters (414 impregnated with minocycline and rifampin and 451 impregnated with chlorhexidine and silver sulfadiazine) were inserted into 817 patients. Complete data could be evaluated for 738 catheters (85 percent): 356 impregnated with minocycline and rifampin and 382 impregnated with chlorhexidine and silver sulfadiazine, inserted in 698 patients. The remaining 127 catheters (58 impregnated with minocycline and rifampin and 69 impregnated with chlorhexidine and silver sulfadiazine, with similar patient and catheter characteristics) were not cultured (84 were removed without notification of study coordinators, 19 were grossly contaminated during removal, and 24 were not available for other reasons) and therefore were excluded from further analysis. The two groups of catheters that could be evaluated were similar with respect to characteristics of patients and catheters (Table 1Table 1Characteristics of the Patients and Antimicrobial-Impregnated Catheters.).

Colonization of Catheters

Eighty-seven of 382 catheters impregnated with chlorhexidine and silver sulfadiazine (22.8 percent) and 28 of 356 catheters impregnated with minocycline and rifampin (7.9 percent) were colonized according to at least one method of assessment (relative risk, 2.90; 95 percent confidence interval, 1.94 to 4.33; P<0.001). Catheters impregnated with minocycline and rifampin were less likely to be colonized than those impregnated with chlorhexidine and silver sulfadiazine, whether the catheter remained in place for seven days or less (13 of 217 catheters [6.0 percent] vs. 45 of 210 [21.4 percent], P<0.001) or for more than seven days (15 of 139 [10.8 percent] vs. 42 of 172 [24.4 percent], P<0.002). Analysis of the Kaplan–Meier estimates of the risk of catheter colonization according to the length of time the catheters were in place in each group showed that catheters impregnated with minocycline and rifampin were significantly less likely to be colonized (P<0.001 by the log-rank test). The overall beneficial effect of the use of catheters impregnated with minocycline and rifampin was seen in all hospitals that contributed more than 32 catheters that could be evaluated. Catheters impregnated with minocycline and rifampin were also significantly less likely to be colonized than catheters impregnated with chlorhexidine and silver sulfadiazine (P<0.001) according to each of the four combinations of catheter segment and culture method (tip–roll plate, tip–sonication, subcutaneous segment–roll plate, and subcutaneous segment–sonication) or any combination of these assessment methods.

Catheters impregnated with chlorhexidine and silver sulfadiazine were significantly more likely than those impregnated with minocycline and rifampin to be colonized with coagulase-negative staphylococci (18 percent vs. 4 percent; relative risk, 4.16; 95 percent confidence interval, 2.42 to 7.14; P<0.001), gram-positive bacilli (2 percent vs. 0.3 percent; relative risk, 7.46; 95 percent confidence interval, 0.94 to 58.8; P=0.04), or gram-negative bacilli (4 percent vs. 1 percent; relative risk, 3.96; 95 percent confidence interval, 1.35 to 11.63; P=0.007). However, the rates of colonization of catheters with Staphylococcus aureus (1 percent vs. 0), enterococci (2 percent vs. 2 percent), and yeast (2 percent vs. 3 percent) did not differ significantly between the two groups.

Factors that may have increased the likelihood of catheter colonization (detected by any of the assessment methods) in the univariate analysis (P≤0.25) were entered into a multivariate logistic-regression model, which identified the following predisposing factors as significant (P≤0.05): insertion of the catheter into the femoral or jugular vein (odds ratio as compared with other locations, 3.05; 95 percent confidence interval, 1.86 to 5.01; P<0.001), use of a catheter impregnated with chlorhexidine and silver sulfadiazine (odds ratio as compared with minocycline and rifampin, 2.80; 95 percent confidence interval, 1.68 to 4.66; P<0.001), hospitalization in the intensive care unit (odds ratio as compared with other wards, 2.60; 95 percent confidence interval, 1.47 to 4.62; P=0.001), male sex (odds ratio, 2.45; 95 percent confidence interval, 1.43 to 4.20; P=0.001), and mechanical ventilation (odds ratio, 1.97; 95 percent confidence interval, 1.14 to 3.41; P=0.01).

In 14 cases, bloodstream infection was attributed to an indwelling study catheter. These catheters had been in place for a median of 11 days. Thirteen cases of catheter-related bloodstream infection occurred among the catheters impregnated with chlorhexidine and silver sulfadiazine (3.4 percent), as compared with one case among the catheters impregnated with minocycline and rifampin (0.3 percent; relative risk, 12.05; 95 percent confidence interval, 1.59 to 90.9; P<0.002). Two patients died as a result of bloodstream infections associated with catheters impregnated with chlorhexidine and silver sulfadiazine. Among the catheters that remained in place for more than seven days, the rate of associated bloodstream infection was significantly higher for catheters impregnated with chlorhexidine and silver sulfadiazine than for catheters impregnated with minocycline and rifampin (11 of 172 catheters [6.4 percent] vs. 1 of 139 [0.7 percent], P=0.01). The rates of catheter-related bloodstream infection per 1000 catheter-days were 0.3 (95 percent confidence interval, 0.01 to 1.85) for catheters impregnated with minocycline and rifampin and 4.1 (95 percent confidence interval, 2.22 to 6.99) for catheters impregnated with chlorhexidine and silver sulfadiazine (P<0.001). Figure 1Figure 1Kaplan–Meier Curves for Freedom from Bloodstream Infection with Catheters Impregnated with Either Minocycline and Rifampin or Chlorhexidine and Silver Sulfadiazine. shows the Kaplan–Meier estimates of the risk of catheter-related bloodstream infection according to duration of catheterization in each group and shows that catheters impregnated with minocycline and rifampin were superior (P=0.001 by log-rank test). The same conclusion was reached when we considered only the results from culture of the catheter tip (1 infection among 356 catheters [0.3 percent] vs. 11 among 382 [2.9 percent], P=0.006) or the subcutaneous segment (1 of 356 [0.3 percent] vs. 12 of 382 [3.1 percent], P=0.003).

Enterococcus faecalis caused the single case of bloodstream infection related to a catheter impregnated with minocycline and rifampin. Organisms implicated in the 13 cases of bloodstream infection associated with catheters impregnated with chlorhexidine and silver sulfadiazine included coagulase-negative staphylococci (8 cases; in 1 a diphtheroid was also present), methicillin-resistant S. aureus, vancomycin-resistant E. faecalis, Enterobacter cloacae, Klebsiella pneumoniae, and Pseudomonas aeruginosa (1 case each). Fourteen of 115 colonized catheters (12 percent) resulted in bloodstream infection; there was no difference in the likelihood of infection between catheters colonized with coagulase-negative staphylococci and catheters colonized with other organisms. Catheters impregnated with minocycline and rifampin had a significant protective effect against catheter-related bloodstream infection by coagulase-negative staphylococci as compared with catheters impregnated with chlorhexidine and silver sulfadiazine (rate of infection, 0 of 356 vs. 8 of 382; P=0.008).

The clonal relation of isolates from blood and catheter cultures was confirmed by DNA typing in 13 of 14 cases (Figure 2Figure 2Representative DNA-Fingerprint Patterns in Repetitive-Element Polymerase-Chain-Reaction Analysis of Isolates from Cultures of Catheter Segments, Peripheral Blood, and Skin from Seven Patients with Catheter-Related Bloodstream Infection.). Skin swabs were cultured at the time of the removal of the catheter from seven patients with catheter-related bloodstream infection. In five of these cases (71 percent), the culture yielded bacteria of the same species with a DNA-fingerprint pattern similar to that of the isolates from the catheter and the blood; a different organism grew from skin cultures in the other two patients (29 percent), suggesting that catheter infection may have originated from contamination of the catheter hub.

Factors that may have increased the risk of catheter-related bloodstream infection in the univariate analysis (with P≤0.25 as the criterion) were entered into a multivariate logistic-regression model, which identified the following predisposing factors as significant (P≤0.05): catheterization for more than seven days, use of a catheter impregnated with chlorhexidine and silver sulfadiazine, and male sex (Table 2Table 2Results of Univariate and Multivariate Analyses of Factors Associated with Catheter-Related Bloodstream Infection.).

Analysis of data for only the first catheter insertion (698 catheters) also demonstrated that the use of catheters impregnated with minocycline and rifampin was associated with lower rates of colonization of the catheter than the use of catheters impregnated with chlorhexidine and silver sulfadiazine (79 of 359 catheters impregnated with chlorhexidine and silver sulfadiazine were colonized [22.0 percent], vs. 28 of 339 [8.3 percent] for minocycline and rifampin; relative risk, 2.66; 95 percent confidence interval, 1.78 to 4.0; P<0.001) and bloodstream infection (12 of 359 [3.3 percent] vs. 1 of 339 [0.3 percent]; relative risk, 11.33; 95 percent confidence interval, 1.48 to 83.3; P=0.003). Although there was a trend toward a lower risk of nosocomial bacteremia with catheters impregnated with minocycline and rifampin than with catheters impregnated with chlorhexidine and silver sulfadiazine (6.7 percent vs. 10.2 percent), the difference was not significant (P=0.12). There were no significant differences between the two groups in the proportions receiving therapy with vancomycin (23 percent vs. 25 percent) or antibiotics in general (89 percent vs. 90 percent) and the mean duration of stay in the intensive care unit (8.7 vs. 8.6 days).

Antimicrobial Susceptibility

The ranges of the minimal inhibitory concentrations and minimal bactericidal concentrations of minocycline and rifampin for S. epidermidis and enterococci were similar for isolates cultured from the two types of catheters (Table 3Table 3Antimicrobial Susceptibility of Bacterial Isolates Cultured from Catheters.). Moreover, in the two cases in which the same organism was isolated from paired cultures of skin obtained before insertion and at the time of removal of a catheter impregnated with minocycline and rifampin (S. epidermidis in one case and enterococcus in the other), the minimal inhibitory concentrations and minimal bactericidal concentrations of minocycline and rifampin for the corresponding paired isolates were similar.

Adverse Effects of the Catheters

There were no local or systemic hypersensitivity reactions associated with the use of either catheter.

Discussion

Recent comparative studies have shown that the use of central venous catheters impregnated either with minocycline and rifampin2 or with chlorhexidine and silver sulfadiazine3 is associated with lower rates of catheter colonization and bloodstream infection than the use of unimpregnated catheters. Although three smaller clinical trials (which studied 72, 282, and 308 catheters that could be evaluated)13-15 showed a nonsignificant trend toward lower rates of bloodstream infection with catheters impregnated with chlorhexidine and silver sulfadiazine than with unimpregnated catheters, none had sufficient power to determine that there were no differences. We compared two very differently prepared antiinfective catheters. As we hypothesized, our findings indicated that the antiinfective efficacy of catheters impregnated with minocycline and rifampin was superior to that of catheters impregnated with chlorhexidine and silver sulfadiazine.

The majority of cases of catheter-related bloodstream infection are associated with the short-term use of noncuffed central venous catheters.16 On average, 5 percent2,3,14,15 of the 3 million short-term, unimpregnated central venous catheters that are inserted annually in the United States lead to bloodstream infection,16 resulting in about 150,000 cases of catheter-related bloodstream infection a year. Our findings of remarkably low rates of catheter-related bloodstream infection (0.3 percent) and catheter colonization (7.9 percent) associated with the use of catheters impregnated with minocycline and rifampin are similar to previously reported rates.2 However, we found rates of catheter colonization (22.8 percent) and bloodstream infection (3.4 percent) associated with the use of catheters impregnated with chlorhexidine and silver sulfadiazine that were higher than those reported by Maki and colleagues (13.5 percent and 1 percent, respectively).3 The differences in rates of colonization of catheters could be attributed, at least in part, to our use of roll-plate and sonication cultures of both the tips and subcutaneous segments, as compared with the use by Maki et al. of only roll-plate culture of the catheter tips alone.3 As in other reports,7,17 the roll-plate culture had a limited sensitivity for the diagnosis of catheter colonization (78 of 115 catheters [68 percent]) and catheter-related bloodstream infection (12 of 14 [86 percent]) in our study.

Unlike catheters impregnated with minocycline and rifampin, in which antimicrobial activity is present on both the external and the internal surfaces of the catheter, the antimicrobial activity of catheters impregnated with chlorhexidine and silver sulfadiazine is limited to the external surface. The difference might be an important determinant of the difference in efficacy between these two antimicrobial-impregnated catheters. For instance, catheters impregnated with chlorhexidine and silver sulfadiazine reduced colonization of the external surface as compared with uncoated catheters in studies in which the roll-plate method alone was used to culture only the catheter tips2 or both the catheter tips and the subcutaneous segments.14,15 Our use of sonication cultures that retrieve organisms from both the external and internal surfaces is justified by the role of luminal colonization in causing catheter-related bloodstream infection.18 Other factors that may have contributed to the superior efficacy of the catheters impregnated with minocycline and rifampin include the particular method used to incorporate the antimicrobial agents into the catheter material and the resulting concentration and availability of those agents on the catheter surface.

Although antimicrobial resistance is an issue of potential concern, we and others2 have, so far, found a very low likelihood that antibiotic resistance will result from the use of antimicrobial-impregnated catheters. However, continued surveillance for resistance is required as part of the further clinical use of such catheters. Although it is possible that the use of any antiinfective catheter that reduces ultrastructural colonization may decrease the likelihood of the development of resistance to systemically administered antibiotics such as vancomycin,19 the actual effects of the use of antimicrobial-impregnated catheters on infection-control measures require further evaluation.

In conclusion, our results demonstrate that the capacity of catheters impregnated with minocycline and rifampin to resist infection is superior to that of catheters impregnated with chlorhexidine and silver sulfadiazine, particularly in patients who require vascular access for seven or more days. Despite their proven efficacy, antimicrobial-impregnated catheters should complement rather than replace adequate aseptic practices.10,11

Presented in part as an abstract (LB-22) at the 37th Interscience Conference on Antimicrobial Agents and Chemotherapy, Toronto, September 28–October 1, 1997.

Supported by funds from Cook Critical Care, Bloomington, Indiana; the Department of Veterans Affairs, Washington, D.C.; and the University Cancer Foundation at the University of Texas M.D. Anderson Cancer Center, Houston.

Impregnation of catheters with minocycline and rifampin is described in two patents that are the property of Baylor College of Medicine and the University of Texas M.D. Anderson Cancer Center, Houston. Dr. Darouiche (an employee of Baylor College of Medicine) and Dr. Raad (an employee of the University of Texas M.D. Anderson Cancer Center) are coinventors of the two patented methods. Both patents were licensed by Cook Critical Care, Bloomington, Indiana, with royalty rights to Baylor College of Medicine and the University of Texas M.D. Anderson Cancer Center. The inventors receive a percentage of the royalties according to the official policies of each academic institution. None of the authors, including Dr. Darouiche and Dr. Raad, have other financial links to Cook Critical Care or other catheter-manufacturing companies.

We are indebted to Daniel M. Musher, M.D., and Gerald P. Bodey, M.D., for serving on the study monitoring board and for their critical review of the manuscript.

Source Information

From the Departments of Medicine (R.O.D., R.L.H.), Physical Medicine and Rehabilitation (R.O.D.), Family and Community Medicine (J.I.T.), and Anesthesiology (O.C.W.), Baylor College of Medicine and Veterans Affairs Medical Center, Houston; the Department of Medical Subspecialties, University of Texas M.D. Anderson Cancer Center, Houston (I.I.R., H.H., R.H.); the Department of Anesthesiology, University of Massachusetts Medical Center, Worcester (S.O.H.); the Departments of Surgery (A.G.) and Medicine (J.B.), University of Florida College of Medicine, Gainesville; the Department of Medicine, Southern Illinois University School of Medicine, Springfield (N.K.); and the Department of Medicine, University of Texas Medical Branch, Galveston (G.M.).

Address reprint requests to Dr. Darouiche at the Veterans Affairs Medical Center, Infectious Disease Section (Rm. 4B-370), 2002 Holcombe Blvd., Houston, TX 77030, or at .

Other members of the Catheter Study Group are listed in the Appendix.

Appendix

In addition to the authors, the following members of the Catheter Study Group participated in the clinical trial: C. Robertson, M. Wall, J. Jones, M. Mansouri, C. Stewart, and S. Dunbar (Baylor College of Medicine, Houston); J. Dupuis, A. Buzaid, K. Price, A. El-Rahwan, J. Abbas, and S. Sidarous (University of Texas M.D. Anderson Cancer Center, Houston); I. Toth, K. Longtine, and A. Breuggemann (University of Massachusetts Medical Center, Worcester); K. Rand (University of Florida College of Medicine, Gainesville); S. Bjornson (University of Cincinnati Medical Center, Cincinnati); and P. Falk (University of Texas Medical Branch, Galveston).

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Citing Articles (266)

Citing Articles

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    Selma O. Algra, Mieke M. P. Driessen, Alvin W. L. Schadenberg, Antonius N. J. Schouten, Felix Haas, Casper W. Bollen, Michiel L. Houben, Nicolaas J. G. Jansen. (2012) Bedside prediction rule for infections after pediatric cardiac surgery. Intensive Care Medicine
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    R. P. Allaker, M. A. Vargas-Reus, G. G. Ren. 2011. Nanometals as Antimicrobials. , 327-350.
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    Kevin W. Lobdell, Sotiris Stamou, Juan A. Sanchez. (2011) Hospital-Acquired Infections. Surgical Clinics of North America
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    Hongwei Chai, Lei Guo, Xiantao Wang, Yuping Fu, Junlin Guan, Lili Tan, Ling Ren, Ke Yang. (2011) Antibacterial effect of 317L stainless steel contained copper in prevention of implant-related infection in vitro and in vivo. Journal of Materials Science: Materials in Medicine 22:11, 2525-2535
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    Jehuda Soleman, Serge Marbacher, Javier Fandino, Ali Reza Fathi. (2011) Is the use of antibiotic-impregnated external ventricular drainage beneficial in the management of iatrogenic ventriculitis?. Acta Neurochirurgica
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    M. Pollini, F. Paladini, M. Catalano, A. Taurino, A. Licciulli, A. Maffezzoli, A. Sannino. (2011) Antibacterial coatings on haemodialysis catheters by photochemical deposition of silver nanoparticles. Journal of Materials Science: Materials in Medicine 22:9, 2005-2012
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    Mark Gunst, Kazuhide Matsushima, Sue Vanek, Richard Gunst, Shahid Shafi, Heidi Frankel. (2011) Peripherally Inserted Central Catheters May Lower the Incidence of Catheter-Related Blood Stream Infections in Patients in Surgical Intensive Care Units. Surgical Infections 12:4, 279-282
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    Kristina R. Weeks, Christine A. Goeschel, Sara E. Cosgrove, Mark Romig, Sean M. Berenholtz. (2011) Prevention of Central Line–Associated Bloodstream Infections: A Journey Toward Eliminating Preventable Harm. Current Infectious Disease Reports 13:4, 343-349
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    Michael J. Costanza, Kwame S. Amankwah, Muhammad Asad Khan, Sriram S. Narsipur, Vivian Gahtan. (2011) Angioaccess for Hemodialysis. Current Problems in Surgery 48:7, 443-517
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    Leanne M. Aitken, Ged Williams, Maurene Harvey, Stijn Blot, Ruth Kleinpell, Sonia Labeau, Andrea Marshall, Gillian Ray-Barruel, Patricia A. Moloney-Harmon, Wayne Robson, Alexander P. Johnson, Pang Nguk Lan, Tom Ahrens. (2011) Nursing considerations to complement the Surviving Sepsis Campaign guidelines. Critical Care Medicine 39:7, 1800-1818
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    Cláudia Sousa, Mariana Henriques, Rosário Oliveira. (2011) Mini-review: Antimicrobial central venous catheters – recent advances and strategies. Biofouling 27:6, 609-620
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    Ammar T. Qureshi, W. Todd Monroe, Mandi J. Lopez, Marlene E. Janes, Vinod Dasa, Sunggook Park, Alborz Amirsadeghi, Daniel J. Hayes. (2011) Biocompatible/bioabsorbable silver nanocomposite coatings. Journal of Applied Polymer Science 120:5, 3042-3053
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    Anne-Marie Chaftari, Christelle Kassis, Hiba El Issa, Iba Al Wohoush, Ying Jiang, Gopikishan Rangaraj, Brenda Caillouet, S. Egbert Pravinkumar, Ray Y. Hachem, Issam I. Raad. (2011) Novel approach using antimicrobial catheters to improve the management of central line-associated bloodstream infections in cancer patients. Cancer 117:11, 2551-2558
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    Kisaki Shimazu, Yukihiro Takahashi, Hiroyuki Karibe, Fusako Mitsuhashi, Kiyoshi Konishi. (2011) Contribution of phosphoglucosamine mutase to determination of bacterial cell morphology in Streptococcus gordonii. Odontology
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    N. P. O'Grady, M. Alexander, L. A. Burns, E. P. Dellinger, J. Garland, S. O. Heard, P. A. Lipsett, H. Masur, L. A. Mermel, M. L. Pearson, I. I. Raad, A. G. Randolph, M. E. Rupp, S. Saint, . (2011) Guidelines for the Prevention of Intravascular Catheter-related Infections. Clinical Infectious Diseases 52:9, e162-e193
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    Naomi P. O'Grady, Mary Alexander, Lillian A. Burns, E. Patchen Dellinger, Jeffrey Garland, Stephen O. Heard, Pamela A. Lipsett, Henry Masur, Leonard A. Mermel, Michele L. Pearson, Issam I. Raad, Adrienne G. Randolph, Mark E. Rupp, Sanjay Saint. (2011) Guidelines for the prevention of intravascular catheter-related infections. American Journal of Infection Control 39:4, S1-S34
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    N. P. O'Grady, M. Alexander, L. A. Burns, E. P. Dellinger, J. Garland, S. O. Heard, P. A. Lipsett, H. Masur, L. A. Mermel, M. L. Pearson, I. I. Raad, A. G. Randolph, M. E. Rupp, S. Saint, . (2011) Summary of Recommendations: Guidelines for the Prevention of Intravascular Catheter-related Infections. Clinical Infectious Diseases 52:9, 1087-1099
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    Lynn N. Fitzgibbons, Darcy L. Puls, Kimberly Mackay, Graeme N. Forrest. (2011) Management of Gram-Positive Coccal Bacteremia and Hemodialysis. American Journal of Kidney Diseases 57:4, 624-640
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    J. Matthias Walz, Rui L. Avelar, Stephen O. Heard. (2011) Coated central venous catheters: Mortality, illness severity?. Critical Care Medicine 39:4, 923
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    Bin Pan, Renzheng Huang, Likang Zheng, Chen Chen, Shiqing Han, Di Qu, Mingli Zhu, Ping Wei. (2011) Thiazolidione derivatives as novel antibiofilm agents: Design, synthesis, biological evaluation, and structure–activity relationships. European Journal of Medicinal Chemistry 46:3, 819-824
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    Charmaine E Lok, Michele H Mokrzycki. (2011) Prevention and management of catheter-related infection in hemodialysis patients. Kidney International 79:6, 587-598
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    David J. Weber, William A. Rutala. (2011) Central Line–Associated Bloodstream Infections: Prevention and Management. Infectious Disease Clinics of North America 25:1, 77-102
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    Elizabeth R. Ramos, Ruth Reitzel, Ying Jiang, Ray Y. Hachem, Ann Marie Chaftari, Roy F. Chemaly, Brenda Hackett, S. Egbert Pravinkumar, Joseph Nates, Jeffrey J. Tarrand, Issam I. Raad. (2011) Clinical effectiveness and risk of emerging resistance associated with prolonged use of antibiotic-impregnated catheters: More than 0.5 million catheter days and 7 years of clinical experience*. Critical Care Medicine 39:2, 245-251
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    Alejandro R. Rodriguez, Rafael E. Carrion. (2011) Antibiotic Impregnated Penile Prosthesis. The Journal of Urology 185:2, 619
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    T.F. Moriarty, A.H.C. Poulsson, E.T.J. Rochford, R.G. Richards. 2011. Bacterial Adhesion and Biomaterial Surfaces. , 75-100.
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    Catherine M. Santos, Maria Celeste R. Tria, Regina Aileen May V. Vergara, Farid Ahmed, Rigoberto C. Advincula, Debora F. Rodrigues. (2011) Antimicrobial graphene polymer (PVK-GO) nanocomposite films. Chemical Communications 47:31, 8892
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    Stephen M. Schexnayder, Elizabeth A. Storm, Michael H. Stroud, Michele M. Moss, Ashley S. Ross, Richard T. Fiser, Muayyad Tailounie, Xiomara Garcia-Casal. 2011. Pediatric Vascular Access and Centeses. , 139-163.
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    Kitty K.K. Ho, Nerida Cole, Renxun Chen, Mark D.P. Willcox, Scott A. Rice, Naresh Kumar. (2010) Characterisation and in vitro activities of surface attached dihydropyrrol-2-ones against Gram-negative and Gram-positive bacteria. Biofouling 26:8, 913-921
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    H. Wang, T. Huang, J. Jing, J. Jin, P. Wang, M. Yang, W. Cui, Y. Zheng, H. Shen. (2010) Effectiveness of different central venous catheters for catheter-related infections: a network meta-analysis. Journal of Hospital Infection 76:1, 1-11
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    Jie Li, Judy F. Burnham, Trey Lemley, Robert M. Britton. (2010) Citation Analysis: Comparison of Web of Science®, Scopus™, SciFinder®, and Google Scholar. Journal of Electronic Resources in Medical Libraries 7:3, 196-217
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    Paul Chittick, Robert J. Sherertz. (2010) Recognition and prevention of nosocomial vascular device and related bloodstream infections in the intensive care unit. Critical Care Medicine 38, S363-S372
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    2010. Strategies for Prevention of Device-Related Nosocomial Infections. , 265-336.
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    R.F. Chemaly, P.S. Sharma, S. Youssef, D. Gerber, P. Hwu, S.S. Hanmod, Y. Jiang, R.Y. Hachem, I.I. Raad. (2010) The efficacy of catheters coated with minocycline and rifampin in the prevention of catheter-related bacteremia in cancer patients receiving high-dose interleukin-2. International Journal of Infectious Diseases 14:7, e548-e552
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    Rupal I Mehta, Rashi I Mehta, Orestes E Solis, Reza Jahan, Noriko Salamon, Jonathan M Tobis, William H Yong, Harry V Vinters, Michael C Fishbein. (2010) Hydrophilic polymer emboli: an under-recognized iatrogenic cause of ischemia and infarct. Modern Pathology 23:7, 921-930
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    Amparo M. Gallardo-Moreno, Miguel A. Pacha-Olivenza, María-Coronada Fernández-Calderón, Ciro Pérez-Giraldo, José M. Bruque, María-Luisa González-Martín. (2010) Bactericidal behaviour of Ti6Al4V surfaces after exposure to UV-C light. Biomaterials 31:19, 5159-5168
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    Raquel Gutiérrez-González, Gregorio R. Boto. (2010) Do antibiotic-impregnated catheters prevent infection in CSF diversion procedures? Review of the literature. Journal of Infection 61:1, 9-20
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    James S. Harrop, Ashwini D. Sharan, John Ratliff, Srini Prasad, Pascal Jabbour, James J. Evans, Erol Veznedaroglu, David W. Andrews, Mitchell Maltenfort, Kenneth Liebman, Phyllis Flomenberg, Bevin Sell, Amy S. Baranoski, Claudette Fonshell, David Reiter, Robert H. Rosenwasser. (2010) Impact of a Standardized Protocol and Antibiotic-Impregnated Catheters on Ventriculostomy Infection Rates in Cerebrovascular Patients. Neurosurgery 67:1, 187-191
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    Supriya Narasimhan, Saima Aslam, Peter H. Lin, Carlos F. Bechara, Mohammad D. Mansouri, Rabih O. Darouiche. (2010) Bacterial translocation across ePTFE vascular graft surfaces. Journal of Infection 60:6, 486-490
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    Stephen E McKim, Culley C Carson III. (2010) AMS 700™ inflatable penile prosthesis with InhibiZone ®. Expert Review of Medical Devices 7:3, 311-317
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    Mark H. Wilcox, Robert C. Spencer. 2010. Healthcare-Associated Infections. .
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    B. PARSONS. 2010. Sterilisation of drug–device combination products. , 395-435.
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    Mohammad D. Mansouri, Timothy B. Boone, Rabih O. Darouiche. (2009) Comparative Assessment of Antimicrobial Activities of Antibiotic-Treated Penile Prostheses. European Urology 56:6, 1039-1046
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    Francisco Esteve, Miquel Pujol, Javier Ariza, Francisco Gudiol, Ricard Verdaguer, María Cisnal, María José Argerich, Rafael Mañez. (2009) Impacto de un programa de prevención de la bacteriemia relacionada con el catéter en una unidad de cuidados intensivos de un hospital terciario. Enfermedades Infecciosas y Microbiología Clínica 27:10, 561-565
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    Murat Karaman, Adem Emre İlhan, Gökçe Dereci, Arman Tek. (2009) Determination of optimum dosage of intraoperative single dose dexamethasone in pediatric tonsillectomy and adenotonsillectomy. International Journal of Pediatric Otorhinolaryngology 73:11, 1513-1515
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    Micah R. Chan, Alexander S. Yevzlin. (2009) Tunneled Dialysis Catheters: Recent Trends and Future Directions. Advances in Chronic Kidney Disease 16:5, 386-395
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    Natalia Hagau, Daniela Studnicska, Rodica L Gavrus, Gabriela Csipak, Radu Hagau, Adriana VC Slavcovici. (2009) Central venous catheter colonization and catheter-related bloodstream infections in critically ill patients: a comparison between standard and silver-integrated catheters. European Journal of Anaesthesiology 26:9, 752-758
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    L.F.A. Camargo, A.R. Marra, G.L. Büchele, A.M.C. Sogayar, R.G.R. Cal, J.M.A. de Sousa, E. Silva, E. Knobel, M.B. Edmond. (2009) Double-lumen central venous catheters impregnated with chlorhexidine and silver sulfadiazine to prevent catheter colonisation in the intensive care unit setting: a prospective randomised study. Journal of Hospital Infection 72:3, 227-233
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    Walter Zingg, Alexander Imhof, Marco Maggiorini, Reto Stocker, Emanuela Keller, Christian Ruef. (2009) Impact of a prevention strategy targeting hand hygiene and catheter care on the incidence of catheter-related bloodstream infections*. Critical Care Medicine 37:7, 2167-2173
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    LINDA K. HANSEN, MARY BROWN, DAVID JOHNSON, DONALD F. PALME II, CHARLES LOVE, RABIH DAROUICHE. (2009) In Vivo Model of Human Pathogen Infection and Demonstration of Efficacy by an Antimicrobial Pouch for Pacing Devices. Pacing and Clinical Electrophysiology 32:7, 898-907
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    Alessandra Agostinho, Garth James, Oussama Wazni, Mark Citron, Bruce D. Wilkoff. (2009) Inhibition of Staphylococcus aureus Biofilms by a Novel Antibacterial Envelope for Use with Implantable Cardiac Devices. Clinical and Translational Science 2:3, 193-198
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    Renxun Chen, Nerida Cole, Mark D.P. Willcox, Josephine Park, Riaz Rasul, Elizabeth Carter, Naresh Kumar. (2009) Synthesis, characterization and in vitro activity of a surface-attached antimicrobial cationic peptide. Biofouling 25:6, 517-524
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    Matthew R. Goede, Craig M. Coopersmith. (2009) Catheter-Related Bloodstream Infection. Surgical Clinics of North America 89:2, 463-474
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    Kathie L. Rogers, Paul D. Fey, Mark E. Rupp. (2009) Coagulase-Negative Staphylococcal Infections. Infectious Disease Clinics of North America 23:1, 73-98
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  54. 54

    Andrew M. Naidech, Bernard R. Bendok, Paul Tamul, Sarice L. Bassin, Charles M. Watts, H. Hunt Batjer, Thomas P. Bleck. (2009) Medical Complications Drive Length of Stay After Brain Hemorrhage: A Cohort Study. Neurocritical Care 10:1, 11-19
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    Juliet C. Hockenhull, Kerry M. Dwan, Godfrey W. Smith, Carrol L. Gamble, Angela Boland, Tom J. Walley, Rumona C. Dickson. (2009) The clinical effectiveness of central venous catheters treated with anti-infective agents in preventing catheter-related bloodstream infections: A systematic review*. Critical Care Medicine 37:2, 702-712
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    Sacha Noimark, Charles W. Dunnill, Michael Wilson, Ivan P. Parkin. (2009) The role of surfaces in catheter-associated infections. Chemical Society Reviews 38:12, 3435
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    M.D.P. Willcox, E.B.H. Hume, Y. Aliwarga, N. Kumar, N. Cole. (2008) A novel cationic-peptide coating for the prevention of microbial colonization on contact lenses. Journal of Applied Microbiology 105:6, 1817-1825
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    Nikolaos Bessias, Kosmas I. Paraskevas, Effie Tziviskou, Vassilios Andrikopoulos. (2008) Vascular access in elderly patients with end-stage renal disease. International Urology and Nephrology 40:4, 1133-1142
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  59. 59

    Saima Aslam. (2008) Effect of antibacterials on biofilms. American Journal of Infection Control 36:10, S175.e9-S175.e11
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    Anna L Casey, Leonard A Mermel, Peter Nightingale, Tom SJ Elliott. (2008) Antimicrobial central venous catheters in adults: a systematic review and meta-analysis. The Lancet Infectious Diseases 8:12, 763-776
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    Hans-Heinrich Wolf, Malte Leithäuser, Georg Maschmeyer, Hans Salwender, Ulrike Klein, Iris Chaberny, Florian Weissinger, Dieter Buchheidt, Markus Ruhnke, Gerlinde Egerer, Oliver Cornely, Gerd Fätkenheuer, Sabine Mousset. (2008) Central venous catheter-related infections in hematology and oncology. Annals of Hematology 87:11, 863-876
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    Amy Dwyer. (2008) REDUCING TUNNELED HEMODIALYSIS CATHETER MORBIDITY: Surface-Treated Catheters-A Review. Seminars in Dialysis 21:6, 542-546
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    Daniel P. McQuillen, Russell M. Petrak, Ronald B. Wasserman, Ronald G. Nahass, Jason A. Scull, Lawrence P. Martinelli. (2008) The Value of Infectious Diseases Specialists: Non–Patient Care Activities. Clinical Infectious Diseases 47:8, 1051-1063
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    Jonas Marschall, Leonard A. Mermel, David Classen, Kathleen M. Arias, Kelly Podgorny, Deverick J. Anderson, Helen Burstin, David P. Calfee, Susan E. Coffin, Erik R. Dubberke, Victoria Fraser, Dale N. Gerding, Frances A. Griffin, Peter Gross, Keith S. Kaye, Michael Klompas, Evelyn Lo, Lindsay Nicolle, David A. Pegues, Trish M. Perl, Sanjay Saint, Cassandra D. Salgado, Robert A. Weinstein, Robert Wise, Deborah S. Yokoe. (2008) Strategies to Prevent Central Line–Associated Bloodstream Infections in Acute Care Hospitals • . Infection Control and Hospital Epidemiology 29:S1, S22-S30
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    P Nieboer, E G E de Vries, N H Mulder, S Rodenhuis, M Bontenbal, E van der Wall, Q G van Hoesel, W M Smit, P Hupperets, E E Voest, M A Nooij, H M Boezen, W T A van der Graaf. (2008) Factors influencing catheter-related infections in the Dutch multicenter study on high-dose chemotherapy followed by peripheral SCT in high-risk breast cancer patients. Bone Marrow Transplantation 42:7, 475-481
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    Ruth E Gilbert, Melissa Harden. (2008) Effectiveness of impregnated central venous catheters for catheter related blood stream infection: a systematic review. Current Opinion in Internal Medicine 7:4, 345-355
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    I. Raad, R. Reitzel, Y. Jiang, R. F. Chemaly, T. Dvorak, R. Hachem. (2008) Anti-adherence activity and antimicrobial durability of anti-infective-coated catheters against multidrug-resistant bacteria. Journal of Antimicrobial Chemotherapy 62:4, 746-750
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    Ruth E Gilbert, Melissa Harden. (2008) Effectiveness of impregnated central venous catheters for catheter related blood stream infection: a systematic review. Current Opinion in Infectious Diseases 21:3, 235-245
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    Shunmugaperumal Tamilvanan, Narayanan Venkateshan, Annick Ludwig. (2008) The potential of lipid- and polymer-based drug delivery carriers for eradicating biofilm consortia on device-related nosocomial infections. Journal of Controlled Release 128:1, 2-22
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    Primrose P. E. Freestone, Richard D. Haigh, Mark Lyte. (2008) Catecholamine Inotrope Resuscitation of Antibiotic‐Damaged Staphylococci and Its Blockade by Specific Receptor Antagonists. The Journal of Infectious Diseases 197:7, 1044-1052
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    Lars Fischer, Phillip Knebel, Steffen Schröder, Thomas Bruckner, Markus K. Diener, Roland Hennes, Klaus Buhl, Bruno Schmied, Christoph M. Seiler. (2008) Reasons for Explantation of Totally Implantable Access Ports: A Multivariate Analysis of 385 Consecutive Patients. Annals of Surgical Oncology 15:4, 1124-1129
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    Daniel Z Uslan. (2008) Infections of electrophysiologic cardiac devices. Expert Review of Medical Devices 5:2, 183-195
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    Prabha Ramritu, Kate Halton, Peter Collignon, David Cook, David Fraenkel, Diana Battistutta, Michael Whitby, Nicholas Graves. (2008) A systematic review comparing the relative effectiveness of antimicrobial-coated catheters in intensive care units. American Journal of Infection Control 36:2, 104-117
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    Jesús Fortún. (2008) Infecciones asociadas a dispositivos intravasculares utilizados para la terapia de infusión. Enfermedades Infecciosas y Microbiología Clínica 26:3, 168-174
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    Bertrand Souweine, Anne Elisabeth Heng, Claire Aumeran, Fabrice Thiollière, Nicole Gazuy, Patrice Deteix, Ousmane Traoré. (2008) Do antibiotics administered at the time of central venous catheter removal interfere with the evaluation of colonization?. Intensive Care Medicine 34:2, 286-291
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    SM Lyon, M Given, NL Marshall. (2008) Interventional radiology in the provision and maintenance of long-term central venous access. Journal of Medical Imaging and Radiation Oncology 52:1, 10-17
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    Demetrios Demetriades, Addison May, Hugh Gamble. (2008) When Does a Centers for Disease Control and Prevention Recommendation Become Standard of Care? Perhaps in the Courtroom. American College of Surgeons Mock Trial: Line Sepsis Liability. Journal of the American College of Surgeons 206:2, 370-375
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    B. S. Niël-Weise, T. Stijnen, P. J. Broek. (2007) Anti-infective-treated central venous catheters: a systematic review of randomized controlled trials. Intensive Care Medicine 33:12, 2058-2068
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    Issam Raad, Hend Hanna, Dennis Maki. (2007) Intravascular catheter-related infections: advances in diagnosis, prevention, and management. The Lancet Infectious Diseases 7:10, 645-657
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    Nicolas Penel, Jean-Charles Neu, Stéphanie Clisant, Helga Hoppe, Patrick Devos, Yazdan Yazdanpanah. (2007) Risk factors for early catheter-related infections in cancer patients. Cancer 110:7, 1586-1592
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    Anjali Chelliah, Kateri H. Heydon, Theoklis E. Zaoutis, Susan L. Rettig, Troy E. Dominguez, Richard Lin, Sujata Patil, Chris Feudtner, Keith H. St. John, Louis M. Bell, Susan E. Coffin. (2007) Observational Trial of Antibiotic-Coated Central Venous Catheters in Critically Ill Pediatric Patients. The Pediatric Infectious Disease Journal 26:9, 816-820
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    M.B.C. Fontana, M.C.F. Bastos, A. Brandelli. (2007) Peptide-like substances as antimicrobial barriers to Corynebacterium sp. adhesion to silicone catheters. Letters in Applied Microbiology 45:3, 324-329
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    Marta Fernandez Sampedro, Robin Patel. (2007) Infections Associated with Long-Term Prosthetic Devices. Infectious Disease Clinics of North America 21:3, 785-819
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    Douglas J.E. Schuerer, Jeanne E. Zack, James Thomas, Ingrid B. Borecki, Carrie S. Sona, Marilyn E. Schallom, Melissa Venker, Jennifer L. Nemeth, Myrna R. Ward, Linda Verjan, David K. Warren, Victoria J. Fraser, John E. Mazuski, Walter A. Boyle, Timothy G. Buchman, Craig M. Coopersmith. (2007) Effect of Chlorhexidine/Silver Sulfadiazine-Impregnated Central Venous Catheters in an Intensive Care Unit with a Low Blood Stream Infection Rate after Implementation of an Educational Program: A Before–After Trial. Surgical Infections 8:4, 445-454
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    Matthew C Byrnes, Craig M Coopersmith. (2007) Prevention of catheter-related blood stream infection. Current Opinion in Critical Care 13:4, 411-415
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    Philippe Eggimann. (2007) Prevention of intravascular catheter infection. Current Opinion in Infectious Diseases 20:4, 360-369
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    Helen C Hamilton, David Foxcroft, Helen C Hamilton. 2007. Central venous access sites for the prevention of venous thrombosis, stenosis and infection in patients requiring long-term intravenous therapy. .
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    T.S.J. Elliott. (2007) An update on antimicrobial central venous catheters. Journal of Hospital Infection 65, 34-38
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    Meital Zilberman, Alon Navon, Hana Sandovsky-Losica, Esther Segal. (2007) Biomedical coatings based on chitin soluble extract for inhibition of fungal adhesion to polymeric surfaces. Journal of Biomedical Materials Research Part A 81A:2, 392-398
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    V. Ruggeri, I. Francolini, G. Donelli, A. Piozzi. (2007) Synthesis, characterization, andin vitro activity of antibiotic releasing polyurethanes to prevent bacterial resistance. Journal of Biomedical Materials Research Part A 81A:2, 287-298
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    Dilek Kilic, Canan Agalar, Eylem Ozturk, Emir B. Denkbas, Abdullah Cime, Fatih Agalar. (2007) ANTIMICROBIAL ACTIVITY OF CEFAZOLIN-IMPREGNATED MESH GRAFTS. ANZ Journal of Surgery 77:4, 256-260
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    Mohammad D. Mansouri, Rabih O. Darouiche. (2007) In vitro antimicrobial activity of N-acetylcysteine against bacteria colonising central venous catheters. International Journal of Antimicrobial Agents 29:4, 474-476
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    Elias Anaissie. (2007) Antimicrobial coating of central venous catheters: Show me the data*. Critical Care Medicine 35:4, 1197-1199
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    Pierre Kalfon, Cyrille de Vaumas, D??sir?? Samba, Eric Boulet, Jean-Yves Lefrant, Daniel Eyraud, Thierry Lherm, Fran??ois Santoli, Walid Naija, Bruno Riou. (2007) Comparison of silver-impregnated with standard multi-lumen central venous catheters in critically ill patients*. Critical Care Medicine 35:4, 1032-1039
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    Milind D. Khare, Sayed S. Bukhari, Andrew Swann, Paul Spiers, Iain McLaren, Jenny Myers. (2007) Reduction of catheter-related colonisation by the use of a silver zeolite-impregnated central vascular catheter in adult critical care. Journal of Infection 54:2, 146-150
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    R.J. Pratt, C.M. Pellowe, J.A. Wilson, H.P. Loveday, P.J. Harper, S.R.L.J. Jones, C. McDougall, M.H. Wilcox. (2007) epic2: National Evidence-Based Guidelines for Preventing Healthcare-Associated Infections in NHS Hospitals in England. Journal of Hospital Infection 65, S1-S59
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    Norio Ohmagari. (2007) Cost effective ways of the prevention of intravascular catheter-related infections. Nihon Shuchu Chiryo Igakukai zasshi 14:4, 516-517
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