Long-term outcomes of cardiac transplantation for peri-partum cardiomyopathy: a multiinstitutional analysis.

Rasmusson KD, Stehlik J, Brown RN, Renlund DG, Wagoner LE, Torre-Amione G, Folsom JW, Silber DH, Kirklin JK, Cardiac Transplant Research Database Group. Long-term outcomes of cardiac transplantation for peri-partum cardiomyopathy: a multiinstitutional analysis. The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation. 2007 Nov 1; 26(11):1097-104.

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Abstract:

BACKGROUND: Outcomes of patients with a prior diagnosis of peri-partum cardiomyopathy (PPCM) undergoing heart transplantation are not well described but may be worse than for women who undergo transplantation for other etiologies. METHODS: Between 1999 and 2005, 69 women aged younger than 40 underwent transplantation for PPCM in 29 institutions participating in the Cardiac Transplant Research Database. Patients with PPCM were compared with 90 female recipients of similar age with idiopathic dilated cardiomyopathy (IDC) and history of pregnancy (P+), 53 with no prior pregnancy (P-), and with 459 men of a similar age with IDC. Rejection, infection, cardiac allograft vasculopathy, and survival were compared. RESULTS: Recipients with PPCM accounted for 1% of all transplants and 5% of transplants in women. Comparisons of the 4 patient groups were made. The risk of cumulative rejection was higher in the PPCM Group compared with the P- Group (p < 0.04) and the men (p < 0.0001). Cumulative risk of infection was lowest in the PPCM Group. Freedom from cardiac allograft vasculopathy was similar or higher in the PPCM Group compared with the other groups. Finally, the long-term survival of PPCM patients was comparable with the survival of men (p = 0.9), and there was a trend toward improved survival compared with the P+ Group (p = 0.07) and improved survival compared with the P- Group (p = 0.05). CONCLUSIONS: Heart transplantation for PPCM remains relatively infrequent. Survival and freedom from cardiac allograft vasculopathy in patients who receive a transplant for PPCM are no worse than in women who require a transplant for other indications, regardless of parity.