The impact of gender mismatching on early and late outcomes following heart transplantation.

ESC Heart Fail 2017 Feb 30;4(1):31-39. Epub 2016 Aug 30.

Heart Failure Institute, Heart Center, Sheba Medical Center and Sackler School of Medicine Tel Aviv University Tel Aviv Israel.

Aims: The role of donor/recipient gender matching on the long-term rejection process and clinical outcomes following heart transplantation (HT) outcomes is still controversial. We aim to investigate the impact of gender matching on early and long-term outcome HT.

Methods And Results: The study population comprised 166 patients who underwent HT between 1991 and 2013 and were prospectively followed up in a tertiary referral centre. Early and late outcomes were assessed by the type of donor-recipient gender match (primary analysis: female donor-male recipient [FD-MR,  = 36] vs. male donor-male recipient [MD-MR,  = 109]). Early mortality, need for inotropic support, length of hospital stay, and major perioperative adverse events did not differ between the FD-MR and MD-MR groups. However, the FD-MR group experienced significantly higher rates of early major rejections per patient as compared with the MD-MR group (1.2 ± 1.6 vs. 0.4 ± 0.8;  = 0.001), higher rates of overall major rejections (16 vs. 5.5 per 100 person years;  < 0.05), and higher rate of cardiac allograft vasculopathy (43% vs. 20%;  = 0.01). Kaplan-Meier survival analysis showed that the cumulative probabilities of survival free of rejections and major adverse events were significantly higher in MD-MR group ( = 0.002 and 0.001, respectively). Multivariate analysis showed that FD-MR status was associated with >2.5-fold ( = 0.03) increase in the risk for rejections and with a >3-fold ( = 0.01) increase in the risk for major adverse events during follow-up.

Conclusions: Donor-recipient gender mismatch is a powerful independent predictor of early and late rejections and long-term major adverse events following HT.

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Source
http://dx.doi.org/10.1002/ehf2.12107DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5292637PMC
February 2017
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