About 20% of patients with venous thrombosis or embolism but no defined risk factors have a recurrence within the first 2 years after stopping anticoagulation therapy. These authors report that 100 mg of aspirin a day nearly halved the risk of recurrence, with no increase in bleeding.

Many treatments used for idiopathic pulmonary fibrosis (IPF) have not been rigorously tested. This article reports discontinuation of treatment with prednisone, azathioprine, and N-acetylcysteine (NAC) because of increased mortality, as compared with N-acetylcysteine alone or placebo.

Pseudomonas aeruginosa is an important pathogen in patients with cystic fibrosis. In this report, data suggest that estrogen may play a role in the modulation of virulence factors in P. aeruginosa and thus affect clinical exacerbations in women with cystic fibrosis.

This trial assessed the utility of preoperative urodynamic testing in women with uncomplicated stress–predominant urinary incontinence. Women having office evaluation alone had 1-year treatment-success rates noninferior to those of women also having urodynamic testing.

This study involved women at high risk for unintended pregnancy who received free contraception. Long-acting reversible contraception was associated with a significantly lower risk of pregnancy than contraceptive pills, patch, or ring and was highly effective regardless of age.