angiographic predictors of success in antegrade approach of chronic total occlusion interventions in a south indian population in the contemporary era

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2018
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Abstract
Chronic Total Occlusion (CTO) intervention is a challenging area in interventional cardiology. Presently about 70% of CTO interventions are successful. Materials and methods: This was a single center prospective study of a cohort of all patients undergoing percutaneous coronary intervention (PCI) as elective or adhoc procedure for CTO from August 2014 to June 2015. Only antegrade CTO interventions were included. In all patients the following data were recorded. Results: A total of 210 (8.9% of total PCI (2353) during the study period) CTO patients were followed up. The mean age was 56.54 ± 8.9. In the study sixty nine patients (32.9%) presented with chronic stable angina and rest of the patients had history of acute coronary syndrome of which 22.9% (n = 48) had unstable angina (UA) or non ST elevation myocardial infarction (NSTEMI) and 44.2% (n = 93) had ST Elevation Myocardial Infarction (STEMI). In those with history of ACS, 64.78% (n = 92) had ACS during the previous year and remaining 35.22% (n = 49) had ACS prior to that. Single vessel CTO was seen in 89.5% (n = 188) and two vessel CTO in 10.5% (n = 22). LAD was involved in 36.7% (n = 77), RCA in 48.1% (n = 101), and LCX in 15.2% (n = 32). Procedural success in the first attempt was 68.1% (n = 143), which increased to 71.42% (n = 150) after the second attempt. CTO interventions were more frequently successful when the calcium was absent or minimal (p-0.05), CTO length was <10 mm (p < 0.01) and good distal reformation (p < 0.01).
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Authors ;Gopakumar KS;Mathew Iype;Sunitha Viswanathan;A. George Koshy;Prabha Nini Gupta;K. Sivaprasad;V.V. Radhakrishnan
Journal renewable energy
Year 2018
DOI
10.1016/j.ihj.2017.09.002
URL
http://www.sciencedirect.com/science/article/pii/S0019483217301530
Keywords
percutaneous coronary intervention

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