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Percutaneous Coronary Intervention After Return of Spontaneous Circulation Reduces the In-Hospital Mortality in Patients with Acute Myocardial Infarction Complicated by Cardiac Arrest

Jingcong Zhang,Hai-Ping Xiong,Jie Chen,Q. Zou,X. Liao,Yujie Li,Chunlin Hu

Published 2021 in International Journal of General Medicine

ABSTRACT

Background and Objective The role of percutaneous coronary intervention (PCI) after return of spontaneous circulation (ROSC) in patients with acute myocardial infarction (AMI) complicated by cardiac arrest (CA) is controversial. This study aimed to evaluate the effects of PCI on the in-hospital mortality after ROSC in patients with AMI complicated by CA. Methods The clinical data of 66 consecutive patients with ROSC after CA caused by AMI from January 2006 to December 2015 at the First Affiliated Hospital of Sun Yat-sen University were collected. Among these patients, 21 underwent urgent PCI. We analyzed the clinical characteristics of the patients during hospitalization. Results The patients who underwent PCI had a higher rate of ST-segment elevation, and their initial recorded heart rhythms were more likely to have a shockable rhythm. Further, they had a high PCI success rate of 100%. The in-hospital mortality in the patients who did not undergo PCI was significantly higher than that in the patients who underwent PCI (68.9% vs 9.5%, P<0.05). Multivariate logistic regression analysis showed that cardiogenic shock (odds ratio [OR], 3.537; 95% CI, 1.047–11.945; P=0.042) and Glasgow Coma Scale score of ≤8 after ROSC (OR, 14.992; 95% CI, 2.815–79.843; P=0.002) were the independent risk factors for in-hospital mortality among the patients. Meanwhile, PCI was a protective factor against in-hospital mortality (OR, 0.063; 95% CI, 0.012–0.318; P=0.001). After propensity matching analysis, the results still showed that PCI (OR, 0.226; 95% CI, 0.028–1.814; P=0.0162) was a protective factor for in-hospital death. Conclusion The patients with ROSC after CA caused by AMI who underwent PCI had a lower in-hospital mortality than those who did not undergo PCI.

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