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- Title
Donor/recipient sex mismatch and survival after heart transplantation: only an issue in male recipients? An analysis of the Spanish Heart Transplantation Registry.
- Authors
Martinez-Selles, Manuel; Almenar, Luis; Paniagua-Martin, Maria J.; Segovia, Javier; Delgado, Juan F.; Arizón, Jose M.; Ayesta, Ana; Lage, Ernesto; Brossa, Vicens; Manito, Nicolás; Pérez-Villa, Félix; Diaz-Molina, Beatriz; Rábago, Gregorio; Blasco-Peiró, Teresa; De La Fuente Galán, Luis; Pascual-Figal, Domingo; Gonzalez-Vilchez, Francisco
- Abstract
The results of studies on the association between sex mismatch and survival after heart transplantation are conflicting. Data from the Spanish Heart Transplantation Registry. From 4625 recipients, 3707 (80%) were men. The donor was female in 943 male recipients (25%) and male in 481 female recipients (52%). Recipients of male hearts had a higher body mass index (25.9 ± 4.1 vs. 24.3 ± 3.7; P < 0.01), and male donors were younger than female donors (33.4 ± 12.7 vs. 38.2 ± 12.3; P < 0.01). No further relevant differences related to donor sex were detected. In the univariate analysis, mismatch was associated with mortality in men (hazard ratio [HR], 1.18; 95% confidence interval [CI], 1.06-1.32; P = 0.003) but not in women (HR, 0.91; 95% CI 0.74-1.12; P = 0.4). A significant interaction was detected between sex mismatch and recipient gender (P = 0.02). In the multivariate analysis, sex mismatch was associated with long-term mortality (HR, 1.14; 95% CI 1.01-1.29; P = 0.04), and there was a tendency toward significance for the interaction between sex mismatch and recipient gender (P = 0.08). In male recipients, mismatch increased mortality mainly during the first month and in patients with pulmonary gradient >13 mmHg. Sex mismatch seems to be associated with mortality after heart transplantation in men but not in women.
- Subjects
HEART transplantation; ORGAN donors; TRANSPLANTATION of organs, tissues, etc.; ABO blood group system; CARDIAC surgery
- Publication
Transplant International, 2015, Vol 28, Issue 3, p305
- ISSN
0934-0874
- Publication type
Article
- DOI
10.1111/tri.12488