Long-term outcomes of high bleeding risk patients undergoing percutaneous coronary intervention: a Korean nationwide registry

Abstract Background and Aims Patients with high bleeding risk (HBR) undergoing percutaneous coronary intervention (PCI) are at increased risk of not only bleeding, but also ischaemic events. This study aimed to determine the long-term relative risk of ischaemic and bleeding events in HBR patients. M...

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Published in:European heart journal 2024-07
Main Authors: Kang, Jeehoon, Yun, Junpil, Park, Kyung Woo, Park, Minae, Park, Sojeong, Hwang, Doyeon, Han, Jung-Kyu, Yang, Han-Mo, Kang, Hyun-Jae, Koo, Bon-Kwon, Angiolillo, Dominick J, Urban, Philip, Kim, Hyo-Soo
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Language:English
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Summary:Abstract Background and Aims Patients with high bleeding risk (HBR) undergoing percutaneous coronary intervention (PCI) are at increased risk of not only bleeding, but also ischaemic events. This study aimed to determine the long-term relative risk of ischaemic and bleeding events in HBR patients. Methods This study was a nationwide cohort study, based on the Korean National Health Insurance Review and Assessment Service database. Patients diagnosed with stable angina or acute coronary syndrome and those who underwent PCI in Korea between 2009 and 2018 were included in the analysis. According to the Academic Research Consortium HBR criteria, the total population was divided into HBR and non-HBR groups. The co-primary outcomes were major bleeding events and ischaemic (composite of cardiac death, myocardial infarction, and ischaemic stroke) events. Results Among a total of 325 417 patients who underwent PCI, 66 426 patients (20.4%) had HBR. During the follow-up period, HBR patients had a higher risk for major bleeding events (23.9% vs. 8.9%, P < .001) and ischaemic events (33.8% vs. 14.4%, P < .001). However, the impact of HBR was significant for major bleeding events [hazard ratio (HR) 3.12, 95% confidence interval (CI) 3.04–3.21, P < .001] and for ischaemic events (HR 2.50, 95% CI 2.45–2.56, P < .001). The HBR group was also associated with a greater risk of all-cause mortality (HR 3.73, 95% CI 3.66–3.79, P < .001). The average annual rate of major bleeding events within the first year after PCI was 5.5% for a single major criterion, and 2.9% for a single minor criterion. Conclusions Among patients undergoing PCI, those with HBR were at increased long-term risk for both bleeding and ischaemic events, with a greater risk of mortality compared to non-HBR patients.
ISSN:0195-668X
1522-9645
1522-9645
DOI:10.1093/eurheartj/ehae462