Heart and Kidneys Share Tight Medical Bond

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The researchers found that 7.2 percent of those who had cardiovascular disease at the start of the studies experienced a decline in kidney function during the research period, compared with 3.3 percent of those who did not have cardiovascular disease.

"Our study demonstrates that cardiovascular disease is associated with subsequent kidney function decline and development of kidney disease," the study authors wrote.

"Because these patients are mainly under the care of primary-care physicians and cardiologists, it is important to draw attention to the increased risk of kidney disease in this population," they added. "Only with recognition of risk factors for kidney disease can this happen."

More information

The U.S. National Kidney Disease Education Program has more about kidney disease.