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ObjectiveSome patients following acute coronary syndrome (ACS) are at particularly increased risk for recurrent cardiovascular events. We aimed to examine temporal trends in the management and outcomes across the spectrum of these particularly high-risk patients.Design and settingA retrospective study based on the ACS Israeli survey (ACSIS) registry, a multicentre prospective national registry, taking place biennially in 25 cardiology departments in Israel. Temporal trends were examined in the early (2002–2008) and late (2010–2018) time periods.ParticipantsConsecutive patients with ACS enrolled in the ACSIS registry were stratified according to the Thrombolysis in Myocardial Infarction Risk Score for secondary prevention (TRS2°P) to high (TRS2°p=3), very high (TRS2°p=4) or extremely high risk (TRS2°p=5–9). Patients with TRS2°pClinical outcome measures included 30-day major adverse cardiovascular events (MACE) and 1-year mortality.ResultsAmong 5359 patients (50% high risk, 30% very high risk and 20% extremely high risk), those with a higher risk were older, had more comorbidities, presented more with non-ST elevation myocardial infarction, and were treated less often with guideline-recommended pharmacotherapy and percutaneous coronary intervention. Over time, treatment has improved in all risk strata, and the rate of 30-day MACE has significantly decreased in all risk groups (from 21% to 10%, from 22% to 15%, and from 26% to 16%, in high, very high and extremely high-risk groups, respectively, pConclusionWithin a particularly high-risk cohort of patients with ACS, treatment has significantly progressed over almost 2 decades. While short-term outcomes have improved in all risk groups, 1-year mortality has remained unchanged in extremely high-risk patients with ACS. |
