• Duk-Woo Park, Do-Yoon Kang, Jung-Min Ahn, Sung-Cheol Yun, Yong-Hoon Yoon, Seung-Ho Hur, Cheol Hyun Lee, Won-Jang Kim, Se Hun Kang, Chul Soo Park, Bong-Ki Lee, Jung-Won Suh, Jung Han Yoon, Jae Woong Choi, K... more ee-Sik Kim, Si Wan Choi, Su Nam Lee, Seung-Jung Park, and POST-PCI Investigators. less
• From the Divisions of Cardiology (D.-W.P., D.-Y.K., J.-M.A., S.-J.P.) and Biostatistics (S.-C.Y.), Asan Medical Center, University of Ulsan College of Medicine, the Cardiovascular Center and Cardiology Div... more ision, Yeouido St. Mary's Hospital (C.S.P.), and the Division of Cardiology, Eulji General Hospital (J.W.C.), Seoul, the Division of Cardiology, Chungnam National University Sejong Hospital, Sejong (Y.-H.Y.), the Division of Cardiology, Keimyung University Dongsan Hospital (S.-H.H., C.H.L.), and the Division of Cardiology, Daegu Catholic University Medical Center (K.-S.K.), Daegu, the Division of Cardiology, CHA Bundang Medical Center (W.-J.K., S.H.K.), and the Cardiovascular Center, Seoul National University Bundang Hospital (J.-W.S.), Seongnam, the Division of Cardiology, Kangwon National University Hospital, Chuncheon (B.-K.L.), the Division of Cardiology, Wonju Severance Christian Hospital, Wonju (J.H.Y.), the Division of Cardiology, Chungnam National University Hospital, Daejeon (S.W.C.), and the Division of Cardiology, St. Vincent's Hospital, Suwon (S.N.L.) - all in South Korea. less
• N. Engl. J. Med. 2022 Sep 8; 387 (10): 905915905-915.

BackgroundThere are limited data from randomized trials to guide a specific follow-up surveillance approach after myocardial revascularization. Whether a follow-up strategy that includes routine functional testing improves clinical outcomes among high-risk patients who have undergone percutaneous coronary intervention (PCI) is uncertain.MethodsWe randomly assigned 1706 patients with high-risk anatomical or clinical characteristics who had undergone PCI to a follow-up strategy of routine functional testing (nuclear stress testing, exercise electrocardiography, or stress echocardiography) at 1 year after PCI or to standard care alone. The primary outcome was a composite of death from any cause, myocardial infarction, or hospitalization for unstable angina at 2 years. Key secondary outcomes included invasive coronary angiography and repeat revascularization.ResultsThe mean age of the patients was 64.7 years, 21.0% had left main disease, 43.5% had bifurcation disease, 69.8% had multivessel disease, 70.1% had diffuse long lesions, 38.7% had diabetes, and 96.4% had been treated with drug-eluting stents. At 2 years, a primary-outcome event had occurred in 46 of 849 patients (Kaplan-Meier estimate, 5.5%) in the functional-testing group and in 51 of 857 (Kaplan-Meier estimate, 6.0%) in the standard-care group (hazard ratio, 0.90; 95% confidence interval [CI], 0.61 to 1.35; P = 0.62). There were no between-group differences with respect to the components of the primary outcome. At 2 years, 12.3% of the patients in the functional-testing group and 9.3% in the standard-care group had undergone invasive coronary angiography (difference, 2.99 percentage points; 95% CI, -0.01 to 5.99), and 8.1% and 5.8% of patients, respectively, had undergone repeat revascularization (difference, 2.23 percentage points; 95% CI, -0.22 to 4.68).ConclusionsAmong high-risk patients who had undergone PCI, a follow-up strategy of routine functional testing, as compared with standard care alone, did not improve clinical outcomes at 2 years. (Funded by the CardioVascular Research Foundation and Daewoong Pharmaceutical; POST-PCI ClinicalTrials.gov number, NCT03217877.).Copyright © 2022 Massachusetts Medical Society.

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