Abstract:
OBJECTIVE:The aim of the study was to characterize and compare insulin resistance (IR) in hepatitis C virus (HCV)-antibody (Ab)-positive and HCV-Ab-negative patients with HIV infection. METHODS:This was a single-centre cross-sectional study of 1041 HIV-infected patients (373 HCV-Ab-positive; 167 with detectable plasma HCV RNA). Metabolic and anthropometric assessments were performed, including measurement of IR using the homeostasis model for assessment of insulin resistance (HOMA-IR). RESULTS:The prevalence of IR (i.e. a HOMA-IR score >or=3.8) was significantly higher in HCV-Ab-positive than in HCV-Ab-negative patients (47.7 vs. 32.7%; P<0.0001). On multivariable linear regression analysis, the following variables were associated with HOMA-IR score, expressed as an estimate of the percentage variation (Est.): high-density lipoprotein cholesterol (per 0.3 mmol/L increase: Est.-4.1; P=0.01), triglycerides (per 0.1 mmol/L increase: Est. 0.6; P<0.001), alcohol intake (Est. -12.4; P=0.002), sedentary lifestyle (Est. 14.7; P<0.001), CD4 T-cell count in the highest quartile, i.e. >or=690 cells/microL (Est. 20.7; P=0.002), body mass index in the highest quartiles, i.e. >or=22.54 kg/m2 (Est. 30.5-44.7; P<0.001), waist-to-hip ratio in the highest quartile, i.e. >1 (Est. 30.2; P<0.001) and HCV-Ab positivity (Est. 24.4; P<0.001). CONCLUSIONS:Our data confirm that HCV-Ab positivity is an independent risk factor for IR. Management aimed at correcting known risk factors for IR should be implemented.
journal_name
HIV Medjournal_title
HIV medicineauthors
Squillace N,Lapadula G,Torti C,Orlando G,Mandalia S,Nardini G,Beghetto B,Costarelli S,Guaraldi Gdoi
10.1111/j.1468-1293.2007.00539.xsubject
Has Abstractpub_date
2008-03-01 00:00:00pages
151-9issue
3eissn
1464-2662issn
1468-1293pii
HIV539journal_volume
9pub_type
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