Arch Intern Med
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It is widely assumed that "futile" treatment consumes significant health care resources. This is a prospective cohort study. ⋯ The frequency of futile interventions appears to be low unless one is willing to accept a definition that includes patients who could survive for many months. If confirmed in other settings, this suggests that concepts of futility will not play a major role in costs containment.
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Randomized Controlled Trial Clinical Trial
Effect of potassium supplementation on blood pressure in African Americans on a low-potassium diet. A randomized, double-blind, placebo-controlled trial.
To determine the effect of potassium supplementation on blood pressure in African Americans consuming a low-potassium diet. ⋯ Potassium supplementation reduces blood pressure substantially in African Americans consuming a diet low in potassium. Increased potassium intake may play an important role in reducing blood pressure in this population at high risk for hypertension.