Annals of internal medicine
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To review the epidemiology, mechanisms, complications, predictors, prevention, and treatment of atrial fibrillation following cardiac surgery. ⋯ Atrial fibrillation frequently complicates cardiac surgery. Many cases can be prevented with appropriate prophylactic therapy. A strategy of rhythm management for symptomatic patients and rate management for all other patients usually results in reversion to sinus rhythm within 6 weeks of discharge.
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Hypertension and diabetes are becoming increasingly common. Most patients with both disorders have a markedly worsened risk for premature microvascular and macrovascular complications. The appropriate management of the hypertension seen in almost 70% of patients with type 2 diabetes mellitus remains controversial. ⋯ On the basis of their apparent superiority in slowing diabetic nephropathy, angiotensin-converting enzyme inhibitors should probably be the first choice. Second and third choices should be a long-acting diuretic and a calcium-channel blocker or a beta-blocker, respectively. Attention should also be directed toward nonpharmacologic and pharmacologic control of hyperglycemia and dyslipidemia.
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Widespread musculoskeletal pain is a poorly understood but common problem in older adults. Little is known about the progression of disability related to this condition. ⋯ Widespread musculoskeletal pain is frequent among community-dwelling older women with disability and appears to predict the progression of disability. Efforts to better understand the cause of this pain and its treatment might reduce the overall burden of disability.
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Randomized Controlled Trial Clinical Trial
Estrogen in the prevention of atherosclerosis. A randomized, double-blind, placebo-controlled trial.
Although observational studies suggest that estrogen replacement therapy (ERT) reduces cardiovascular morbidity and mortality in postmenopausal women, use of unopposed ERT for prevention of coronary heart disease in healthy postmenopausal women remains untested. ⋯ Overall, the average rate of progression of subclinical atherosclerosis was slower in healthy postmenopausal women taking unopposed ERT with 17beta-estradiol than in women taking placebo. Reduction in the progression of subclinical atherosclerosis was seen in women who did not take lipid-lowering medication but not in those who took these medications.
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Early defibrillation is the most important determinant of survival for victims of cardiac arrest due to ventricular fibrillation. The automated external defibrillator (AED) was developed as the result of the American Heart Association's Public Access Defibrillation initiative. The goal of this initiative is to place AEDs in strategic locations so that laypersons with minimal training could promptly defibrillate victims of cardiac arrest. ⋯ State and federal legislation has eased concerns about AED use by extending legal protection to AED users under Good Samaritan laws. Since the experience continues to be positive, AEDs are being used in increasingly diverse community locations, and public awareness is growing. The American Heart Association's initiative is progressing rapidly.