The role of estrogen, immune function and aging in heart transplant outcomes.

•We compared survival between age-matched men and women after heart transplant.•Post-menopausal women and age-matched men had equivalent unadjusted survival.•Risk-adjusted survival was equivalent between men and women of all age groups.•Postmenopausal women had better risk-adjusted survival than premenopausal women.•Menopause, with associated loss of estrogen, may improve survival after transplant.