The American journal of medicine
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Patients who develop acute renal failure in the intensive care unit (ICU) have extremely high rates of mortality and morbidity. The goals of this study were to identify correlates of the timing of nephrology consultation in acute renal failure, and to explore the relation between timing of consultation and outcomes. ⋯ In acute renal failure, delayed nephrology consultation was associated with increased mortality and morbidity, whether or not dialysis was ultimately required. Using observational data, we cannot determine whether these findings reflect residual confounding, selection bias, adverse effects of delayed recognition of acute renal failure, or the benefits of nephrology consultation.
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To estimate the cost-effectiveness of gastric bypass in the treatment of severe obesity. ⋯ Gastric bypass is a cost-effective alternative to no treatment, providing substantial lifetime benefits in patients who are severely obese.
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Multicenter Study
A prospective multicenter study of factors associated with hospital admission among adults with acute asthma.
We sought to determine patient characteristics associated with hospital admission after emergency treatment for asthma, and whether disposition guidelines are followed. ⋯ Associations between patient characteristics and disposition were similar across sites. Despite guidelines to the contrary, half of patients with final peak flow <50% were discharged. After emergency department treatment and discharge, short-term relapse was uncommon among patients with asthma, suggesting that strict peak flow cutoffs may be unnecessary if risk factors in patients with mild or moderate exacerbations are considered.
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To describe the effect of atrial fibrillation on long-term morbidity and mortality. ⋯ Atrial fibrillation is associated with an increased long-term risk of stroke, heart failure, and all-cause mortality, especially in women.