Vol 26, No 2 (2019)
Original articles — Clinical cardiology
Published online: 2017-09-28

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Long-term outcomes of patients with multivessel coronary artery disease presenting non-ST-segment elevation acute coronary syndromes

Piotr Desperak1, Michał Hawranek1, Paweł Gąsior2, Aneta Desperak1, Andrzej Lekston1, Mariusz Gąsior1
Pubmed: 28980282
Cardiol J 2019;26(2):157-168.

Abstract

Background: There is paucity of data concerning the optimal revascularization in patients with mul- tivessel coronary artery disease (CAD) presenting non-ST-segment elevation acute coronary syndrome (NSTE-ACS). The aim was to evaluate long-term outcomes of patients with multivessel CAD presenting NSTE-ACS depending on the management after coronary angiography.

Methods: 3,166 patients with NSTE-ACS hospitalized between 2006 and 2014 were screened. After ex- clusions, 1,342 patients were enrolled with multivessel CAD and were divided depending on their man- agement after coronary angiography; the medical-only therapy group (n = 91), the percutaneous coronary intervention (PCI) group (n = 1,122), the coronary artery bypass grafting (CABG) group (n = 129). Propensity scores matching was used to adjust for differences in patient baseline characteristics. 

Results: After propensity score analysis, 273 well-matched patients were chosen. Both before and after matching, patients treated with a medical-only therapy were burdened with the highest percentage of 24-month all-cause death and non-fatal MI in comparison to PCI and CABG groups, respectively. In the CABG group, ACS-driven revascularization rate was lowest. In the overall population, PCI (HR 0.33; 95% CI 0.20–0.53; p < 0.0001) and CABG (HR 0.54; 95% CI 0.31–0.93; p = 0.028) were independent factors associated with favorable 24-month prognosis. However, in a matched population only PCI was an independent predictor of long-term prognosis with a 63% decrease of 24-month mortal- ity (HR 0.37; 95% CI 0.19–0.69; p = 0.0020).

Conclusions: In patients with multivessel CAD presenting with NSTE-ACS, medical-only man- agement is related with adverse long-term prognosis in contrast to revascularization, which reduces 24-month mortality, especially among patients undergoing percutaneous intervention. Performance of PCI is an independent factor for improving long-term prognosis. 

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