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Dialysis May Be Resumed Safely After Heart Attack

Last Updated: July 10, 2009.

In patients with end-stage renal disease who have heart attacks, resumption of dialysis has no significant effect on morbidity or mortality, according to a study published online July 9 in the Clinical Journal of the American Society of Nephrology.

FRIDAY, July 10 (HealthDay News) -- In patients with end-stage renal disease who have heart attacks, resumption of dialysis has no significant effect on morbidity or mortality, according to a study published online July 9 in the Clinical Journal of the American Society of Nephrology.

George Coritsidis, M.D., of Mount Sinai School of Medicine in New York City, and colleagues reviewed the medical charts of 131 end-stage renal disease patients who had acute myocardial infarction and resumed dialysis within 24 hours, within 24 to 48 hours, or more than 48 hours after developing cardiac symptoms.

In comparing the three groups, the researchers found no significant differences in morbidity (26, 36, and 20 percent, respectively) or mortality (11, 18, and 13 percent, respectively). However, they found that predictors of peridialysis morbidity included condition severity, prior heart disease, elevated pre-dialysis levels of potassium, and steep declines in post-dialysis levels of potassium.

"Given that this is a retrospective as well as a small study, we cannot make any clear recommendations, however, our findings suggest that rather than delay dialysis, concern should be placed on the degree and rate that potassium levels change," the authors write.

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