Coronary artery bypass grafting versus percutaneous coronary intervention for myocardial infarction complicated by cardiogenic shock.

Abstract:

BACKGROUND:Myocardial infarction (MI) complicated by cardiogenic shock (CS) is associated with high mortality. Early coronary revascularization improves survival, but the optimal mode of revascularization remains uncertain. We sought to characterize practice patterns and outcomes of coronary artery bypass grafting (CABG) and percutaneous coronary intervention (PCI) in patients with MI complicated by CS. METHODS:Patients hospitalized for MI with CS between 2002 and 2014 were identified from the United States National Inpatient Sample. Trends in management were evaluated over time. Propensity score matching was performed to identify cohorts with similar baseline characteristics and MI presentations who underwent PCI and CABG. The primary outcome was in-hospital all-cause mortality. RESULTS:A total of 386,811 hospitalizations for MI with CS were identified; 67% were STEMI. Overall, 62.4% of patients underwent revascularization, with PCI in 44.9%, CABG in 14.1%, and a hybrid approach in 3.4%. Coronary revascularization for MI and CS increased over time, from 51.5% in 2002 to 67.4% in 2014 (P for trend < .001). Patients who underwent CABG were more likely to have diabetes mellitus (35.5% vs. 29.2%, P < .001) and less likely to present with STEMI (48.7% vs. 80.9%, P < .001) than those who underwent PCI. CABG (without PCI) was associated with lower mortality than PCI (without CABG) overall (18.9% vs. 29.0%, P < .001) and in a propensity-matched subgroup of 19,882 patients (19.0% vs. 27.0%, P < .001). CONCLUSIONS:CABG was associated with lower in-hospital mortality than PCI among patients with MI complicated by CS. Due to the likelihood of residual confounding, a randomized trial of PCI versus CABG in patients with MI, CS, and multi-vessel coronary disease is warranted.

journal_name

Am Heart J

journal_title

American heart journal

authors

Smilowitz NR,Alviar CL,Katz SD,Hochman JS

doi

10.1016/j.ahj.2020.01.020

subject

Has Abstract

pub_date

2020-08-01 00:00:00

pages

255-263

eissn

0002-8703

issn

1097-6744

pii

S0002-8703(20)30080-6

journal_volume

226

pub_type

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