David Pereg1, Paul Fefer2, Michelle Samuel1, Mony Shuvy1, Saswata Deb3, John D Sparkes1, Stephan E Fremes4, Bradley H Strauss5. 1. Division of Cardiology, Schulich Heart Program, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada. 2. Division of Cardiology, Schulich Heart Program, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; Leviev Heart Center, Sheba Hospital, Tel Hashomer, Tel Aviv University, Tel Aviv, Israel. 3. Division of Cardiovascular Surgery, Schulich Heart Program, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada. 4. Division of Cardiovascular Surgery, Schulich Heart Program, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; Department of Cardiovascular Surgery, Sunnybrook Health Sciences Center, University of Toronto, Toronto, Ontario, Canada. 5. Division of Cardiology, Schulich Heart Program, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada; Department of Cardiovascular Sciences, Sunnybrook Health Sciences Center, University of Toronto, Toronto, Ontario, Canada. Electronic address: bradley.strauss@sunnybrook.ca.
Abstract
BACKGROUND: Chronic total occlusions (CTOs) of native coronary arteries are a frequent finding among patients who are referred for surgical revascularization with coronary artery bypass grafting (CABG). The long-term clinical significance of native coronary artery CTO identified at baseline and 1 year after CABG is unknown. METHODS: All patients who underwent 1-year follow-up angiography as part of the multicentre Radial Artery Patency Study (RAPS) were assessed for late clinical events. RESULTS: At a mean follow-up of 7.3 ± 2.9 years, the study group of 388 patients had the following outcomes: 39 (10%) deaths, 6 (1.5%) cases of nonfatal myocardial infarction, and 19 (4.9%) cases of percutaneous coronary intervention (PCI). CTO of ≥ 1 native coronary artery in the baseline preoperative coronary angiogram was demonstrated in 240 (61.9%) patients. The composite of all-cause death, nonfatal myocardial infarction, and PCI occurred significantly more often in patients with at least 1 preoperative CTO than in patients without a preoperative CTO (20% vs 11%; P = 0.048). A new native coronary artery CTO 1 year after surgery occurred in 169 (43.6%) patients. The composite of all-cause death, nonfatal myocardial infarction, and PCI occurred significantly more often in patients with a new CTO 1 year after CABG compared with those without a new CTO (21.3% vs 12.8%; P = 0.028). CONCLUSIONS: In patients undergoing CABG, both preoperative CTOs and new CTOs that develop 1 year after surgery are associated with adverse long-term clinical outcomes.
BACKGROUND: Chronic total occlusions (CTOs) of native coronary arteries are a frequent finding among patients who are referred for surgical revascularization with coronary artery bypass grafting (CABG). The long-term clinical significance of native coronary artery CTO identified at baseline and 1 year after CABG is unknown. METHODS: All patients who underwent 1-year follow-up angiography as part of the multicentre Radial Artery Patency Study (RAPS) were assessed for late clinical events. RESULTS: At a mean follow-up of 7.3 ± 2.9 years, the study group of 388 patients had the following outcomes: 39 (10%) deaths, 6 (1.5%) cases of nonfatal myocardial infarction, and 19 (4.9%) cases of percutaneous coronary intervention (PCI). CTO of ≥ 1 native coronary artery in the baseline preoperative coronary angiogram was demonstrated in 240 (61.9%) patients. The composite of all-cause death, nonfatal myocardial infarction, and PCI occurred significantly more often in patients with at least 1 preoperative CTO than in patients without a preoperative CTO (20% vs 11%; P = 0.048). A new native coronary artery CTO 1 year after surgery occurred in 169 (43.6%) patients. The composite of all-cause death, nonfatal myocardial infarction, and PCI occurred significantly more often in patients with a new CTO 1 year after CABG compared with those without a new CTO (21.3% vs 12.8%; P = 0.028). CONCLUSIONS: In patients undergoing CABG, both preoperative CTOs and new CTOs that develop 1 year after surgery are associated with adverse long-term clinical outcomes.
Authors: Dagmar F Hernandez-Suarez; Lorenzo Azzalini; Francesco Moroni; João Eduardo Tinoco de Paula; Pablo Lamelas; Carlos M Campos; Marcelo Harada Ribeiro; Evandro Martins Filho; Felix Damas de Los Santos; Lucio Padilla; Marco Alcantara-Melendez; Marcelo A Abud; Israel A Almodóvar-Rivera; Marcia Moura Schmidt; Mauro Echavarria; Antonio Carlos Botelho; Valentin Del Rio; Alexandre Quadros; Ricardo Santiago Journal: Catheter Cardiovasc Interv Date: 2021-12-20 Impact factor: 2.692
Authors: Janusz Konstanty-Kalandyk; Krzysztof Bartuś; Jacek Piątek; Anna Kędziora; Tomasz Darocha; Krzysztof L Bryniarski; Marcin Wróżek; Piotr Ceranowicz; Stanisław Bartuś; Leszek Bryniarski; Bogusław Kapelak Journal: PeerJ Date: 2018-06-15 Impact factor: 2.984