5 years ago

Risk Factor Analysis for Intraoperative Extracorporeal Membrane Oxygenation Weaning Failure After Lung Transplantation

Extracorporeal membrane oxygenation (ECMO) has been widely used for hemodynamic support during lung transplantation (LTx). We evaluated the risk factors associated with failure of weaning from ECMO in the operating room during LTx. Methods We retrospectively reviewed 74 consecutive patients who had undergone LTx from March 2013 to February 2016. Patients who underwent single LTx, multiorgan transplantation, and LTx for pulmonary hypertension were excluded. All operations were performed under ECMO support. Clinical data of donor, recipient, and intraoperative parameters were reviewed. Results Younger donors (40 ± 11 versus 45 ± 10 years, p = 0.047), donors with shorter mechanical ventilation (125 ± 74 versus 160 ± 80 minutes, p = 0.066) and donors with higher Pao 2 at 100% oxygen (455 ± 87 mm Hg versus 399 ± 88 mm Hg, p = 0.008) were significantly different in the ECMO weaning group than in the weaning failure group. Of the recipients, the number of patients who had preoperative ECMO support were significantly fewer in the successful weaning group than in the weaning failure group (11.9% versus 34.4%, p = 0.061). The operation time was significantly shorter in the weaning group than in the weaning failure group (392 ± 66 versus 435 ± 82 minutes, p = 0.014). In multivariate logistic regression analysis, the independent risk factors for ECMO weaning were donor age (odds ratio 1.101, 95% confidence interval: 1.030 to 1.177, p = 0.005), donor Pao 2 (odds ratio 0.992, 95% confidence interval: 0.984 to 0.999, p = 0.034), and operation time (odds ratio 1.010, 95% confidence interval: 1.000 to 1.019, p = 0.043). Conclusions Our results showed that younger donor age, high Pao 2, and shorter operation time were factors related to successful ECMO weaning in the operating room after LTx.

Publisher URL: www.sciencedirect.com/science

DOI: S0003497517310962

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