Concurrent Implantation of Intra-Aortic Balloon Pump and Extracorporeal Membrane Oxygenation Improved Survival of Patients With Postcardiotomy Cardiogenic Shock

Kai Chen, Jianfeng Hou, Hanwei Tang, Shengshou Hu
Artificial Organs 2019, 43 (2): 142-149
The aim of this study is to report the combined application of extracorporeal membrane oxygenation (ECMO) with intra-aortic balloon pumping (IABP) in postcardiotomy cardiac shock (PCS). A total of 60 consecutive patients who received both ECMO and IABP (concomitantly 24 hours) for PCS from February 2006 to March 2017 at Fuwai Hospital were included in our study. Clinical characteristics of the patients were collected retrospectively and compared between survivors and non-survivors. Logistic regression analysis was used as predictors for survival to discharge. The study cohort had a mean age of 51.4±12.7 years with 75% males. ECMO was implanted intra-operatively in 38 (63%) patients and post-operatively in 22 (37%) patients. ECMO was implanted concurrently with IABP in 38 (63%) patients. Heart transplantation (38%) and coronary artery bypass graft (33%) were the main surgical procedures. ECMO was weaned successfully in 48% patients, and the rate of survival to discharge was 43%. Survivors showed less bedside ECMO implantation (12% vs. 41%, P=0.012) and more concurrent implantation of ECMO with IABP (81% vs. 50%, P=0.014). Concurrent implantation of IABP with ECMO (OR=0.177, P=0.015, 95% CI: 0.044-0.718) was an independent predictor of survival to discharge. As for complications, the rate of renal failure (59% vs. 15%, P=0.001) and multiple organ dysfunction syndrome (29% vs. 0, P=0.003) was higher in patients who failed to survive to discharge. Patients who had heart transplantation had a better long-term survival than others (P=0.0358). In summary, concurrent implantation of ECMO with IABP provides better short-term outcome for PCS and combined application of ECMO with IABP for PCS after heart transplantation had a favorable long-term outcome.

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