Predictors of success in percutaneous Coronary intervention for chronic total occlusion

We performed a retrospective analysis of 146 chronic total occlusion CTO patients to evaluate the antecedents of success and failure in CTO – Percutaneous Coronary Intervention (PCI) in Indian patients. The study aimed to identify the technical success rate, analyse immediate patient outcomes, and u...

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Bibliographic Details
Published in:Indian heart journal 2018-12, Vol.70 (Suppl 3), p.S269-S274
Main Authors: Mehta, Ashwin B., Mehta, Nihar, Chhabria, Rahul, Mandurke, Vivek, Tawade, Nilesh, Jain, Nikesh, Desai, Ajit, Handa, S.R.
Format: Article
Language:English
Subjects:
Chronic Disease
Coronary Angiography
Coronary Occlusion - diagnosis
Coronary Occlusion - surgery
CTO Success predictors
Female
Humans
Incidence
India - epidemiology
Interventional Cardiology
Male
Middle Aged
Percutaneous Coronary Intervention - methods
Postoperative Complications - epidemiology
Registries
Retrospective Studies
Survival Rate - trends
Time Factors
Treatment Outcome
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Summary:We performed a retrospective analysis of 146 chronic total occlusion CTO patients to evaluate the antecedents of success and failure in CTO – Percutaneous Coronary Intervention (PCI) in Indian patients. The study aimed to identify the technical success rate, analyse immediate patient outcomes, and understand the factors impacting the successful outcomes. Our results showed that J-CTO (Multicenter CTO Registry of Japan) scores correlate well with the success rates of CTO-PCI and two most important factors deciding failure are lesion length more than 20 mm and lesions with calcification. Most important step to success of CTO is wiring, once wire crosses the segment, success rates of the procedure is around 97%. The wire escalation strategy has to be modified once the initial soft (polymer) wire fails, it’s reasonable to use high tip load wire like conquest pro without the use of intermediate wires (except in presence of tortuosity). At 1 year follow up of these patients, there was a statistically significant drop in angina class and major adverse cardiac event rates in the successful CTO group.
ISSN:0019-4832
DOI:10.1016/j.ihj.2018.03.010