ArticleAging clinical and experimental research2023
Early versus late delayed percutaneous coronary intervention in elderly patients with ST-segment elevation myocardial infarction.
Article in Aging clinical and experimental research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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16 authors at 1 institution in 1 country.
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Abstract
BACKGROUND AND
objectiveThere are a substantial proportion of elderly patients with ST-segment elevation myocardial infarction (STEMI) miss the optimal time window (12 h from symptom onset) of primary percutaneous coronary intervention (PCI). For these patients, the ideal timing of delayed PCI remains undetermined. Therefore, this study compared the clinical outcomes of early versus late delayed PCI in elderly patients with STEMI.
methodsFrom January 2014 to September 2019, 512 patients aged ≥ 65 years with STEMI who underwent delayed PCI after 12 h from symptom onset were included and then categorized into the early PCI group (12-48 h, n = 111) and late PCI group (48 h-28 days, n = 401) according to the timing of delayed PCI. Propensity score matching (PSM) was conducted to adjust the confounding factors between groups. The primary endpoint was major adverse cardiac and cerebrovascular events (MACCE), a composite of all-cause death, cardiac death, recurrent myocardial infarction (MI), stroke, and ischemia-driven revascularization.
resultsDuring a mean follow-up of 77 months, 163 (31.8%) patients developed MACCE and 93 (18.2%) died. Early or late delayed PCI did not make a significant difference in clinical outcomes of MACCE (Before PSM: HR 0.773, 95% CI 0.520-1.149, P = 0.203; After PSM: HR 0.869, 95% CI 0.498-1.517, P = 0.622), all-cause death, cardiac death, recurrent MI, stroke, and ischemia-driven revascularization in both overall patients and the PSM cohorts.
conclusionEarly delayed PCI (12-48 h from symptom onset), for elderly patients with STEMI who present > 12 h after symptom onset is not associated with better long-term clinical outcomes compared with late delayed PCI (48 h-28 days).
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