eISSN: 1897-4295
ISSN: 1734-9338
Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej
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SCImago Journal & Country Rank
3/2018
vol. 14
 
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abstract:
Original paper

Does the effectiveness of recanalization of chronic occlusion depend on the location of the obstruction?

Leszek Bryniarski, Łukasz Klima, Sławomir Surowiec, Krzysztof L. Bryniarski, Michał Terlecki, Dariusz Dudek

Adv Interv Cardiol 2018; 14, 3 (53): 258–262
Online publish date: 2018/09/21
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Introduction
In past studies, it has been questioned whether success of recanalization of chronic total occlusion (CTO) depends on the location of the occlusion – the circumflex artery (Cx) was considered as the most difficult to open.

Aim
To determine whether the effectiveness of recanalization of CTO depends on the location of the obstruction.

Material and methods
From January 2011 to January 2016, a single operator dedicated to chronic total occlusions performed in our center 357 procedures on 337 patients.

Results
Among 337 patients included in the study, 83.4% were male. Mean age was 62.8 ±9.3 years. Most of the patients had hypertension (86.4%) and hyperlipidemia (99.4%), and 28.8% of them had diabetes. The most frequently opened artery was the right coronary artery (RCA; 52.4%), followed by the left anterior descending artery (LAD; 29.4%), and last the Cx (18.2%). The mean J-CTO score was comparable between the three groups. The success rate of recanalization of CTO was similar for all arteries: 84.5% in the RCA, 81.9% in the LAD and 89.2% in the Cx (overall p = 0.437). Neither procedural complications nor adverse events depended on the location of the CTO.

Conclusions
Our study shows the same efficacy of CTO procedures of all epicardial arteries. We did not observe that effectiveness of recanalization of CTO depends on the location of the obstruction.

keywords:

chronic total occlusion, percutaneous coronary intervention, lesion characteristics

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