Intensive renal support in critically ill patients with acute kidney injury did not decrease mortality, improve recovery of kidney function, or reduce the rate of nonrenal organ failure as compared with less-intensive therapy involving a defined dose of intermittent hemodialysis three times per week and continuous renal-replacement therapy at 20 ml per kilogram per hour. (ClinicalTrials.gov number, NCT00076219.)

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Lower serum chloride was independently associated with increased risk of cardiovascular and all-cause death in HFpEF. Loop diuretic use, but not spironolactone, lead to a decrease in serum chloride levels over time.