When adults with severe kidney disease get a new kidney, their heart often gets healthier—especially the thickened walls and enlarged chamber—but men and women don’t improve in exactly the same way or to the same degree.

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Evidence from Studies

Supporting (1)

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Community contributions welcome

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Sex differences in cardiac remodeling after kidney transplantation

Cohort Study

Human

2025 Aug 6

After kidney transplants, both men and women’s hearts get healthier, but men’s hearts shrink more in the thickened muscle part, while women’s hearts shrink more in the upper chamber — so the improvements are different by sex.

Contradicting (0)

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No contradicting evidence found

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According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Sex differences in cardiac remodeling after kidney transplantation

Score: 32

DOI: 10.1186/s12882-025-04313-x

Similar Assertions

After a kidney transplant, men’s hearts tend to shrink back to a healthier size more than women’s hearts do over six months—even though men’s hearts were bigger to begin with—suggesting that men and women’s hearts respond differently to the transplant.

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82%

Women with kidney disease who are getting a new kidney tend to have bigger and less flexible heart chambers before the surgery than men, which might mean their hearts have been working harder for longer.

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80%

After getting a new kidney, women’s hearts show more improvement in a specific heart measurement than men’s, even though women started with a larger heart size — suggesting their hearts recover differently based on sex.

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80%

After getting a new kidney, women’s hearts don’t shrink as much in size as men’s hearts do.

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79%