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. 2013 Sep;3(3):186-91.
doi: 10.1016/j.jceh.2013.05.004. Epub 2013 Jun 11.

Higher Prevalence and More Severe Coronary Artery Disease in Hepatitis C Virus-infected Patients: A Case Control Study

Affiliations

Higher Prevalence and More Severe Coronary Artery Disease in Hepatitis C Virus-infected Patients: A Case Control Study

Sanjaya K Satapathy et al. J Clin Exp Hepatol. 2013 Sep.

Abstract

Background: An association of Coronary artery disease (CAD) with hepatitis C (HCV) has been suggested, but definitive data are still lacking.

Aim: Our study sought to estimate the prevalence and severity of CAD in HCV patients compared to with age-, sex-, and race-matched controls without HCV infection.

Subjects and methods: 63 HCV-infected patients were compared with 63 age, race, and sex-matched controls without HCV infection undergoing coronary angiography for evaluation of CAD. CAD was defined as more than a 50% blockage in any of the proximal coronary arteries on angiogram. The severity of the stenosis was defined by the modified Reardon severity scoring system: <50% stenosis of the luminal diameter, 1 point; 50-74%, 2 points; 75-99%, 3 points; 100% or total obstruction, 4 points. The points for each lesion in the proximal coronary circulation were summed to give the score for severity.

Results: A significantly higher prevalence of CAD was noted in the HCV population (69.8% vs. 47.6%, = 0.01). The combined Reardon's severity score in the HCV group was significantly higher compared to the controls (6.26 ± 5.39 vs. 2.6 ± 3.03, P < 0.0005). Additionally, significant multivessel CAD (>50% stenosis and ≥2 vessels involved) was also noted significantly more commonly in the HCV group compared to controls (57.1% vs. 15.9%, P < 0.0005).

Conclusion: In this retrospective study the prevalence and severity of CAD was higher in HCV patients who were evaluated for CAD by angiogram compared with matched non-HCV patients. HCV-positive status is potentially a risk factor for CAD.

Keywords: ACE, angiotensin converting enzyme; CAD, coronary artery disease; DM, diabetes mellitus; HCV, hepatitis C virus; HDL, high density lipoprotein; IR, insulin resistance; IVDU, intravenous drug use; LDL, low density lipoprotein; coronary artery disease; hepatitis C; prevalence.

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Figures

Figure 1
Figure 1
The figure depicts the proximal segments of the coronary circulation that was used in assessing the score for severity of coronary atherosclerosis (Readorn's score). LMCA, left main coronary artery; LAD, left anterior descending; CFX, circumflex; RCA, right coronary artery; PDA, posterior descending artery. Lesions in the darkened portions were not scored.
Figure 2
Figure 2
The figure depicts the comparative frequency of involvement coronary vessels in the HCV group and the control group.

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