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- Title
Differences in the Clinical and Angiographic Characteristics of Chronic Total Occlusion Lesions in the Three Major Coronary Arteries.
- Authors
HASEGAWA, TASUKU; GODINO, COSMO; BASAVARAJAIAH, SANDEEP; TAKAGI, KENSUKE; REZQ, AHMED; LATIB, AZEEM; ALAIDE, CHIEFFO; MONTORFANO, MATTEO; CARLINO, MAURO; COLOMBO, ANTONIO
- Abstract
Objectives The purpose of this study was to evaluate the differences in the clinical and angiographic characteristics of chronic total occlusion (CTO) lesions among the 3 major coronary arteries (LAD, LCx, and RCA). Background The success rate of percutaneous coronary intervention (PCI) of CTO lesions is not uniform among the 3 major coronary arteries and this may be influenced by the differences in angiographic and clinical characteristics that may exists between them. Methods We retrospectively evaluated clinical and angiographic characteristics of patients who underwent PCI of CTO lesions at our 2 centers between 2003 and 2010. Results We analyzed 708 CTO-PCI procedures between 2003 and 2010. The CTO lesions were located in LAD: 222 (31.4%), LCx: 167 (23.6%), and RCA: 319 (45.0%). Patients with CTO in LAD had lower incidence of previous history of PCI and CABG compared to those with CTO lesions in LCx or RCA. In regard to angiographic findings, LAD lesions tended to have more side branches and blunt occlusion stump. The LCx lesions presented more frequently as a part of multivessel disease. RCA lesions were significantly longer, more severely angulated, and calcified. Good collateral circulations were more often encountered in the RCA. In regard to success rates, RCA showed lower procedural success rates (71.8%) followed by LAD (74.8%) and LCx (79.0%). Conclusions There were several differences in the clinical and angiographic characteristics of CTO lesions among the 3 major coronary arteries. These differences can explain the discrepancy in procedure success rates. (J Interven Cardiol 2014;27:44-49)
- Subjects
CORONARY arterial radiography; MEDICAL imaging systems; CORONARY angiography; ARTERIAL occlusions; CLINICAL trials
- Publication
Journal of Interventional Cardiology, 2014, Vol 27, Issue 1, p44
- ISSN
0896-4327
- Publication type
Article
- DOI
10.1111/joic.12085