Abstract
There remains high morbidity and mortality with mechanical circulatory support (MCS) in failing bidirectional Glenn (BDG) physiology. We performed a retrospective analysis of children with BDG physiology supported with MCS before and after 2018. Fourteen patients met inclusion criteria (median age 1.5years, weight 9kg). Prior to 2018 (n = 7), with variable anticoagulation and strategies including pulsatile VAD, continuous flow VAD, and extracorporeal membrane oxygenation (ECMO), 3 (43%) of patients were transplanted with a total of 536 patient-days of support (median 59days). Major hemocompatability-related adverse event (MHRAE) rate was 63 per 100 patient-months. After 2018 (n = 7), using a staged support strategy (ECMO to pulsatile VAD) and bivalirudin anticoagulation, 5 (71%) patients were transplanted with a total of 1260 patient-days of support (median 188days) and MHRAE rate of 24 per 100 patient-months. Despite challenging physiology, we have observed improved survival and reduced MHRAE despite longer support duration.
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