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BackgroundSevere primary graft failure is a life-threatening complication of heart transplantation that may require venoarterial extracorporeal membrane oxygenation (VA-ECMO) support. Surgical practices and management strategies regarding VA-ECMO vary between and within centers.MethodsWe performed a single-center retrospective cohort study on adult patients who received VA-ECMO for primary graft failure between 2013 and 2020. Clinical data were obtained from chart review and national databases. Patients were stratified by transplantation before or after 2017, when our center adopted additional objective criteria for VA-ECMO, adopted partial-flow support, and changed from central cannulation to chimney graft arterial cannulation of brachiocephalic, axillary, or aorta. The primary outcome was survival to device weaning. Secondary outcomes were survival to discharge, survival to 1 year, complications on support, and time to sedation weaning and extubation.ResultsFrom 276 heart transplant recipients, 39 severe primary graft failure patients requiring VA-ECMO were identified. Incidence of graft failure was 13% (n = 18 of 135) pre-2017 and 15% (n = 21 of 141) post-2017. Survival at all time points improved significantly after 2017, with greatest difference in survival to device weaning (61% pre-2017 vs 100% post-2017). After controlling for other factors in multivariable Cox regression modeling, transplantation after 2017 was a predictor of reduced mortality (hazard ratio, 0.209; 95% CI, 0.06-0.71; P = .01). Significant differences were not observed in other secondary outcomes of recovery.ConclusionsThe new VA-ECMO strategy displayed reasonable survival and a remarkable improvement from the prior system.  相似文献   

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ObjectiveThe study objective was to determine whether donor substance abuse (opioid overdose death, opioid use, cigarette or marijuana smoking) impacts lung acceptance and recipient outcomes.MethodsDonor offers to a single center from 2013 to 2019 were reviewed to determine if lung acceptance rates and recipient outcomes were affected by donor substance abuse.ResultsThere were 3515 donor offers over the study period. A total of 154 offers (4.4%) were opioid use and 117 (3.3%) were opioid overdose deaths. A total of 1744 donors (65.0%) smoked cigarettes and 69 donors (2.6%) smoked marijuana. Of smokers, 601 (35.0%) had less than 20 pack-year history and 1117 (65.0%) had more than 20 pack-year history. Substance abuse donors were younger (51.5 vs 55.2 P < .001), more often male (65.6 vs 54.8%, P < .001), more often White (86.2 vs 68.7%, P < .001), and had hepatitis C (8.3 vs 0.8%, P < .001). Donor acceptance was significantly associated with brain dead donors (odds ratio, 1.56, P < .001), donor smoking history (odds ratio, 0.56, P < .001), hepatitis C (odds ratio, 0.35, P < .001), younger age (odds ratio, 0.98, P < .001), male gender (odds ratio, 0.74, P = .004), and any substance abuse history (odds ratio, 0.50, P < .001), but not opioid use, opioid overdose death, or marijuana use. Recipient survival was equivalent when using lungs from donors who had opioid overdose death, who smoked marijuana, or who smoked cigarettes for less than 20 patient-years or more than 20 patient-years, and significantly longer in recipients of opioid use lungs. There was no significant difference in time to chronic lung allograft dysfunction for recipients who received lungs from opioid overdose death or with a history of opioid use, marijuana smoking, or cigarette smoking.ConclusionsDonor acceptance was impacted by cigarette smoking but not opioid use, opioid overdose death, or marijuana use. Graft outcomes and recipient survival were similar for recipients of lungs from donors who abused substances.  相似文献   

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