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Cardiovascular and metabolic science
versão On-line ISSN 2954-3835versão impressa ISSN 2683-2828
Resumo
LOPEZ VALENCIA, Andrea Janet et al. Major cardiovascular events in failed versus successful coronary revascularization in patients with chronic total occlusion. Cardiovasc. metab. sci [online]. 2021, vol.32, n.2, pp.82-93. Epub 05-Abr-2024. ISSN 2954-3835. https://doi.org/10.35366/99745.
Introduction:
Chronic coronary occlusions are associated with a negative impact on long-term prognosis.
Objectives:
To know if there is a difference in major cardiovascular events in patients undergoing successful revascularization versus failed revascularization of chronic total occlusion lesions instable angina.
Material and methods:
Cross-sectional, correlational study with two independent groups.
Results:
71 patients were evaluated, in a context of stable chronic angina, in the High Specialty Medical Unit of Bajio, from January 2013 to February 2020; 41 patients with successful revascularization (RE) and 30 with revascularization was failed (RF). The revascularization success rate was 57.7%. The rate of major cardiovascular events found among patients with RE vs RF in this study were: unstable angina events post-revascularization in 12.5% of the RE group and in 13.3% of the RF group (p = 0.918). AMI (acute myocardial infarction) occurred in 0% of the RE group and in 3.3% of the RF group (p = 0.245). Death of cardiac origin occurred in 0% of the RE group and in 3.3% of the RF group (p = 0.245). In contrast 0% of the RE group and 6.7% of the RF group patients needed new vascularization. The survival rate in RF patients was 96.7%, and in RE patients, it was 100%.
Conclusions:
Successful versus failed revascularization did not show statistically significant differences in the rate of major cardiovascular events.
Palavras-chave : Chronic total occlusion; stable angina; percutaneous coronary intervention; failed revascularization; major cardiovascular events.