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A randomized multicentre trial to compare revascularization with optimal medical therapy for the treatment of chronic total coronary occlusions

Gerald S Werner, Victoria Martin-Yuste, David Hildick-Smith, Nicolas Boudou, Georgios Sianos, Valery Gelev, Jose Ramon Rumoroso, Andrejs Erglis, Evald Høj Christiansen, Javier Escaned, Carlo di Mario, Thomas Hovasse (+9 others)
2018 European Heart Journal  

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Aims The clinical value of percutaneous coronary intervention (PCI) for chronic coronary total occlusions (CTOs) is not established by randomized trials. This study should compare the benefit of PCI vs. optimal medical therapy (OMT) on the health status in patients with at least one CTO. Three hundred and ninety-six patients were enrolled in a prospective randomized, multicentre, open-label, and controlled clinical trial to compare the treatment by PCI with OMT with a 2:1 randomization ratio.
more » ... e primary endpoint was the change in health status assessed by the Seattle angina questionnaire (SAQ) between baseline and 12 months follow-up. Fifty-two percent of patients have multi-vessel disease in whom all significant non-occlusive lesions were treated before randomization. An intention-to-treat analysis was performed including 13.4% failed procedures in the PCI group and 7.3% cross-overs in the OMT group. At 12 months, a greater improvement of SAQ subscales was observed with PCI as compared with OMT for angina frequency [5.23, 95% confidence interval (CI) 1.75; 8.71; P = 0.003], and quality of life (6.62, 95% CI 1.78-11.46; P = 0.007), reaching the prespecified significance level of 0.01 for the primary endpoint. Physical limitation (P = 0.02) was also improved in the PCI group. Complete freedom from angina was more frequent with PCI 71.6% than OMT 57.8% (P = 0.008). There was no periprocedural death or myocardial infarction. At 12 months, major adverse cardiac events were comparable between the two groups.
doi:10.1093/eurheartj/ehy220 pmid:29722796 fatcat:viks6pd33vdcdix4slg6lpprem
Citation

Gerald S Werner, Victoria Martin-Yuste, David Hildick-Smith, Nicolas Boudou, Georgios Sianos, Valery Gelev, Jose Ramon Rumoroso, Andrejs Erglis, Evald Høj Christiansen, Javier Escaned, Carlo di Mario, Thomas Hovasse, Luis Teruel, Alexander Bufe, Bernward Lauer, Kris Bogaerts, Javier Goicolea, James C Spratt, Anthony H Gershlick, Alfredo R Galassi, Yves Louvard. "A randomized multicentre trial to compare revascularization with optimal medical therapy for the treatment of chronic total coronary occlusions." European Heart Journal 39.26 (2018) 2484-2493