Background: Gout is a common chronic inflammatory disease with increasing prevalence over the last decades. However, there is limited evidence on outcomes of PCI in patients with gout.
Methods: A Retrospective cohort study of all adult patients who underwent PCI in a large [1000 bed] tertiary care center from January 2002 to August 2020. Patients were stratified according to a diagnosis of gout. The primary outcome was defined as the first event of all-cause mortality or major CV event that included acute coronary syndrome -(ACS) or congestive heart failure -(CHF) related admission. To examine the association between gout and outcome, a multi-variable cox proportional hazard model was used.
Results: Out of 12,951 who patients underwent PCI during the study period, 344 (2.7%) had a diagnosis of gout. The study median follow-up time was 105 months. Patients with gout had significantly higher crude rates of clinical events (73.8% vs. 59.5%, p < 0.001). Gout was associated with increased risk for ACS and HF-admissions [HR 1.24 95%CI (1.07-1.43), p = 0.04; HR 1.99, 95%CI (1.57-2.54) p < 0.001, respectively], as well as for any clinical event (HR 1.2 95%CI (1.04-1.38), P = 0.01).
Conclusion: Gout is associated with increased post-PCI cardiovascular risk. Therefore, patients with gout should be considered as a higher risk cohort.
Keywords: Acute coronary syndrome; Gout; Mortality; Outcomes; Percutaneous coronary intervention.
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