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lüll Outcome of acute graft rejection associated with hemodynamic compromise in pediatric heart transplant recipients Phelps CM; Tissot C; Buckvold S; Gralla J; Ivy DD; Pietra BA; Miyamoto SDPediatr Cardiol 2011[Jan]; 32 (1): 1-7We sought to analyze the outcome of hemodynamically significant acute graft rejection in pediatric heart transplant recipients from a single-center experience. Acute graft rejection remains a major cause of morbidity and mortality for patients who undergo orthotopic heart transplantation and has been associated with the severity of the rejection episode. A retrospective review of all children experiencing a hemodynamically significant rejection episode after orthotopic heart transplantation was performed. Fifty-three patients with 54 grafts had 70 rejection episodes requiring intravenous inotropic support. Forty-one percent of these patients required high-dose inotropic support, with the remaining 59% of patients requiring less inotropic support. Overall graft survival to hospital discharge was 41% for patients in the high-dose group compared to 94% in the low-dose group. Six-month graft survival in patients who required high-dose inotropes remained at 41% compared to 44% in the low-dose group. Hemodynamically significant acute graft rejection in pediatric heart transplant recipients is a devastating problem with poor short- and long-term outcomes. Survival to hospital discharge is dismal in patients who require high-dose inotropic support. In contrast, survival to discharge is quite good in patients who require only low-dose inotropic support; however, six-month graft survival in this group is low secondary to a high incidence of graft failure related to worsening or aggressive transplant coronary artery disease.|*Hemodynamics[MESH]|Child[MESH]|Female[MESH]|Graft Rejection/*mortality/*physiopathology[MESH]|Graft Survival[MESH]|Heart Transplantation/*mortality[MESH]|Humans[MESH]|Male[MESH]|Retrospective Studies[MESH] |