Complications and hospital lengths of stay after kidney donation declined from 10.1% and a mean 3.7 days, respectively, in 1998 to 7.6% and a mean of 2.5 days, respectively, in 2010, but presence of documented comorbid conditions has increased, a study of living kidney donors has revealed.

Jesse D. Schold, PhD, and colleagues reported in the Clinical Journal of the American Society of Nephrology that depression, hypothyroidism, hypertension, and obesity became more prevalent among donors over time, with longer lengths of stay associated with obesity, depression, hypertension, and pulmonary disorders.

Men and donors with hypertension were more likely to have perioperative complications than were other donors. Complication rates and lengths of stay among kidney donors were similar to those of patients undergoing appendectomies or cholecystectomies.

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