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Original Paper

Contrast-Induced Nephropathy Is Less Common in Patients with Good Coronary Collateral Circulation

Avci E.a · Yildirim T.b · Kadi H.a

Author affiliations

aCardiology Department, Balikesir University Faculty of Medicine, and bCardiology Clinic, Balikesir State Hospital, Balikesir, Turkey

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Cardiorenal Med 2017;7:316-323

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: April 12, 2017
Accepted: June 19, 2017
Published online: August 04, 2017
Issue release date: Published online first (Issue-in-Progress)

Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 4

ISSN: 1664-3828 (Print)
eISSN: 1664-5502 (Online)

For additional information: http://www.karger.com/CRM

Abstract

Background/Aims: Contrast-induced nephropathy (CIN) is a typically reversible type of acute renal failure that develops after exposure to contrast agents; underlying endothelial dysfunction is thought to be an important risk factor for CIN. Although the mechanism of coronary collateral circulation (CCC) is not fully understood, a pivotal role of the endothelium has been reported in many studies. The aim of this study was to investigate whether there is a relationship between CCC and CIN. Methods: Patients with at least one occluded major coronary artery and blood creatinine analyses performed before and on the second day after angiography were included in the study. CIN was defined as a 25% or greater elevation of creatinine on the second day after exposure to the contrast agent. Collateral grading was performed according to the Rentrop classification. Patients were grouped according to whether they developed CIN or not, i.e., CIN(-) and CIN(+) group. Results: A total of 214 patients who met the inclusion criteria were included in the study. CIN was diagnosed in 43 patients (20.1%) in the study population. Good CCC was identified in 112 patients (65.5%) in the CIN(-) group, whereas it was identified in 13 patients (30.2%) in the CIN(+) group. In the CIN(-) group, good CCC was significantly more frequent (p < 0.001). Furthermore, collateral circulation was an independent predictor of CIN. Conclusion: Good collateral circulation was associated with a lower frequency of CIN, and poor collateral circulation was an independent predictor of CIN.

© 2017 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: April 12, 2017
Accepted: June 19, 2017
Published online: August 04, 2017
Issue release date: Published online first (Issue-in-Progress)

Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 4

ISSN: 1664-3828 (Print)
eISSN: 1664-5502 (Online)

For additional information: http://www.karger.com/CRM


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