alexa Assessment of Coronary Collateral Circulation in Patien
ISSN: 2155-9880

Journal of Clinical & Experimental Cardiology
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Research Article

Assessment of Coronary Collateral Circulation in Patients with Chronic Total Occlusion: The Functional Relevance and Estimate the Quality of the Distal Run-offs

Muslum Sahin1*, Serdar Demir1, Ali Fedakar2, Mehmet Vefik Yazicioglu1, Gokhan Alici1, Birol Ozkan1, Kamil Canturk Cakalagaoglu2, Sabit Sarikaya2, Mustafa Yildiz1 and Mehmet Muhsin Turkmen1
1Departmant of Cardiology, Kartal Kosuyolu Education and Research Hospital, Istanbul, Turkey
2Departmant of Cardiac Surgery, Kartal Kosuyolu Education and Research Hospital, Istanbul, Turkey
Corresponding Author : Muslum Sahin
Departmant of Cardiology
Kartal Kosuyolu Education and Research Hospital.34846 Kartal Istanbul
Tel: 902165001500
Fax: 902164596321
E-mail: [email protected]
Received: October 09, 2012; Accepted: November 03, 2012; Published: November 05, 2012
Citation: Sahin M, Demir S, Fedakar A, Yazicioglu MV, Alici G, et al. (2012) Assessment of Coronary Collateral Circulation in Patients with Chronic Total Occlusion: The Functional Relevance and Estimate the Quality of the Distal Runoffs. J Clin Exp Cardiolog 3:220.doi:10.4172/2155-9880.1000220
Copyright: © 2012 Sahin M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Background: The purpose of this article is to investigate the functional relevance of coronary collateral circulation and estimate the quality of the distal run-offs in patients with coronary chronic total occlusion (CTO). Methods: We analyzed the 267 consecutive patients who underwent PCI for CTO. In 119 patients, the distal portion of total occlusion was filled with ipsilateral collateral connections (ipsilateral group), and in 103 patients, it was filled with contralateral collateral connections (contralateral group). The target vessel diameter and dilatation rates of the groups were evaluated and compared for the echocardiographic parameters. Results: The principal finding in this study is that mean value of the target vessel diameter beyond occlusion was significant higher in the contralateral group than in the ipsilateral group (p<0.05). The LVEF values before PCI in the contralateral group were significantly higher than in the ipsilateral group. However, Increase in LVEF after PCÄ° were significantly higher in the ipsilateral group than contralateral group (p<0.05). Conclusion: Our study results concerning contralateral circulation in patients with CTO have shown less negative vessel remodelling after CTO. We also showed that the increases of LVEF after PCI, the ipsilateral group had significant increases compared with the contralateral group.

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