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IMPORTANCE: In patients with multivessel coronary artery disease (CAD) presenting with ST-segment elevation myocardial infarction (STEMI), complete revascularization reduces major cardiovascular events compared with culprit lesion–only percutaneous coronary intervention (PCI). Whether complete revascularization also improves angina-related health status is unknown. OBJECTIVE: To determine whether complete revascularization improves angina status in patients with STEMI and multivessel CAD. DESIGN, SETTING, AND PARTICIPANTS: This secondary analysis of a randomized, multinational, open label trial of patient-reported outcomes took place in 140 primary PCI centers in 31 countries. Patients presenting with STEMI and multivessel CAD were randomized between February 1, 2013, and March 6, 2017. Analysis took place between July 2021 and December 2021. INTERVENTIONS: Following PCI of the culprit lesion, patients with STEMI and multivessel CAD were randomized to receive either complete revascularization with additional PCI of angiographically significant nonculprit lesions or to no further revascularization. MAIN OUTCOMES AND MEASURES: Seattle Angina Questionnaire Angina Frequency (SAQ-AF) score (range, 0 [daily angina] to 100 [no angina]) and the proportion of angina-free individuals by study end. RESULTS: Of 4041 patients, 2016 were randomized to complete revascularization and 2025 to culprit lesion–only PCI. The mean (SD) age of patients was 62 (10.7) years, and 3225 (80%) were male. The mean (SD) SAQ-AF score increased from 87.1 (17.8) points at baseline to 97.1 (9.7) points at a median follow-up of 3 years in the complete revascularization group (score change, 9.9 [95% CI, 9.0-10.8]; P < .001) compared with an increase of 87.2 (18.4) to 96.3 (10.9) points (score change, 8.9 [95% CI, 8.0-9.8]; P < .001) in the culprit lesion–only group (between-group difference, 0.97 points [95% CI, 0.27-1.67]; P = .006). Overall, 1457 patients (87.5%) were free of angina (SAQ-AF score, 100) in the complete revascularization group compared with 1376 patients (84.3%) in the culprit lesion–only group (absolute difference, 3.2% [95% CI, 0.7%-5.7%]; P = .01). This benefit was observed mainly in patients with nonculprit lesion stenosis severity of 80% or more (absolute difference, 4.7%; interaction P = .02). CONCLUSIONS AND RELEVANCE: In patients with STEMI and multivessel CAD, complete revascularization resulted in a slightly greater proportion of patients being angina-free compared with a culprit lesion–only strategy. This modest incremental improvement in health status is in addition to the established benefit of complete revascularization in reducing cardiovascular events.

IMPORTANCE: The evolution of percutaneous coronary intervention (PCI) has led to improved safety and efficacy, such that overnight observation can be avoided in some patients. We sought to provide a narrative review of the current literature regarding the outcomes of same-day discharge (SDD) PCI and to describe a framework for the development of an SDD program. OBSERVATIONS: A literature search of PubMed was performed for human studies on SDD PCI published in English from January 1, 1995, to July 31, 2015. We reviewed the studies between June and September 2015. After literature review, we included reports of randomized clinical trials, observational studies, meta-analyses guidelines, and consensus statements in a narrative review. Compared with overnight observation, there was no increase in adverse events (bleeding, repeat coronary procedures, death, or rehospitalization) among patients in these studies who were discharged on the same day of their PCI procedure. Same-day discharge was associated with significant cost savings and was preferred by patients. CONCLUSIONS AND RELEVANCE: The available evidence supports the safety of SDD in selected patients after PCI. Specific programmatic features are important to the successful implementation of SDD after PCI. Greater adoption of SDD programs after PCI has the potential to improve patient satisfaction, increase bed availability, and reduce hospital costs without increasing adverse patient outcomes.