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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-31117

Senn, O; Seidenberg, A; Rosemann, T (2009). Determinants of successful chronic hepatitis C case finding among patients receiving opioid maintenance treatment in a primary care setting. Addiction, 104(12):2033-2038.

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Abstract

AIMS: Injection drug users are at high risk for chronic hepatitis C virus infection (CHC). Opioid maintenance treatment (OMT) offers a unique opportunity to screen for CHC. This study proposed the hypothesis that a general practitioner (GP) with special interest in addiction medicine can achieve CHC screening rates comparable to specialized centres and aimed to investigate determinants for a successful CHC case finding in a primary care setting. DESIGN AND PARTICIPANTS: Retrospective medical record analysis of 387 patients who received opioid maintenance therapy between 1 January 2002 and 31 May 2008 in a general practice in Zurich, Switzerland. MEASUREMENTS: Successful CHC assessment was defined as performance of hepatitis C virus (HCV) serology with consecutive polymerase chain reaction-based RNA and genotype recordings. The association between screening success and patient characteristics was assessed using multiple logistic regression. findings: Median (interquartile range) age and duration of OMT of the 387 (268 males) patients was 38.5 (33.6-44.5) years and 34 (11.3-68.0) months, respectively. Fourteen patients (3.6%) denied HCV testing and informed consent about screening was missing in 13 patients (3.4%). In 327 of 360 patients (90.8%) with informed consent a successful CHC assessment has been performed. Screening for HCV antibodies was positive in 136 cases (41.6%) and in 86 of them (63.2%) a CHC was present. The duration of OMT was an independent determinant of a successful CHC assessment. CONCLUSIONS: In addicted patients a high CHC assessment rate in a primary care setting in Switzerland is feasible and opioid substitution provides an optimal framework.

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8 citations in Web of Science®
11 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Institute of General Practice
DDC:610 Medicine & health
Language:English
Date:December 2009
Deposited On:19 Mar 2010 08:12
Last Modified:27 Nov 2013 23:38
Publisher:Wiley-Blackwell
ISSN:0965-2140
Publisher DOI:10.1111/j.1360-0443.2009.02766.x
PubMed ID:19922570

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