To the Editor: The data presented by Juurlink et al. (Aug. 5 issue)¹ regarding hyperkalemia that was attributed to spironolactone do not justify the conclusion that the rate of admission for hyperkalemia increased. The authors identified “all hospital ...

To the Editor: In his excellent review, Palmer (Aug. 5 issue)¹ discusses strategies for minimizing the incidence and degree of hyperkalemia in patients taking inhibitors of the renin–angiotensin–aldosterone system.² One strategy he does not suggest is ...

To the Editor: Goldenberg et al. (Sept. 9 issue)¹ report interesting data about the usefulness of the D-dimer test to predict outcomes in children after a first thromboembolic event. In children, 95 percent of venous thromboembolic events are secondary ...

To the Editor: Cristofanilli et al. (Aug. 19 issue)¹ assume that the circulating epithelial cells detected by the CellSearch System are tumor cells. This may be the case in most of the blood samples examined, but a formal proof was not attempted. A ...

To the Editor: Belmaker (July 29 issue)¹ reviews the syndrome of bipolar disorder. The lifetime prevalence of bipolar disorders among patients in primary care and general medical settings is considerably higher² than the approximately 1 percent ...

To the Editor: Although its purpose was to extol the use of video-capsule endoscopy, Case 24-2004 in the July 29 issue¹ illustrates the greed for certainty that feeds the increasing costs of medical care. The pictures are educational, but an enteroclysis ...

To the Editor: In 1979, we reported the results of treating 19 patients who had acute myelogenous leukemia in first remission with intensive chemotherapy, radiation therapy, and transplantation of allogeneic marrow from HLA-identical siblings between ...

Public recognition of Alain Enthoven transcends his field. The emeritus Marriner S. Eccles Professor of Public and Private Management at Stanford University, Enthoven rose to fame as the architect of a health care strategy known as “managed competition.” ...

The profession of medicine encompasses a wide variety of ways in which a physician can dedicate his or her life within the traditional areas of clinical practice, research, education, and administration. In this book, Jerome Kassirer, a former editor-in-...

Despite the past century's fascination with measuring every facet of life, little is known about the “middle years.” After all, living into middle age is a relatively recent phenomenon in human history. A white man born in 1900 in the United States had an ...

A Randomized Trial of Exemestane after Two to Three Years of Tamoxifen Therapy in Postmenopausal Women with Primary Breast Cancer Original Article, N Engl J Med 2004:350;1081-1092.. On page 1083, in Figure 1, the number of patients who were assigned to ...

Management of Cutaneous Melanoma Review Article, N Engl J Med 2004:351;998-1012.. On page 1009, in the left-hand column, second full paragraph, line 5 should have cited reference number 91, rather than number 90, as printed. We regret the error.

Laboratory Reference Values Case Records of the Massachusetts General Hospital, N Engl J Med 2004:351;1548-1563.. On page 1560, in the continuation of the table entitled Metabolic and Endocrine Tests, under the column heading SI Units, the range of values ...

Review of Myelin Biology and Disorders Book Review, N Engl J Med 2004:351;1806-1807.. On page 1807, line 4 of the left-hand column should have read “Steve Goldman,” rather than “Jim Goldman,” as printed. We regret the error.