Renal function is impaired in normotensive chronic HCV patients: role of insulin resistance

Anna Licata, Sofia Miceli, Eliezer J. Tassone, Antonio Cimellaro, Maria Perticone, Benedetto Caroleo, Michele Andreucci, Giorgio Sesti, Francesco Perticone, Angela Sciacqua

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2 Citazioni (Scopus)

Abstract

Renal dysfunction is an independent predictor for cardiovascular morbidity and mortality. We investigated whether chronic hepatitis C virus (HCV) infection and the related insulin resistance/hyperinsulinemia influence renal function in comparison with a group of healthy subjects and with another group with metabolic syndrome. We enrolled 130 newly diagnosed HCV outpatients matched for age and gender with 130 patients with metabolic syndrome and 130 healthy subjects. Renal function was evaluated by calculation of glomerular filtration rate (e-GFR, mL/min/1.73 m2) using the CKD-EPI equation. The following laboratory parameters were measured: fasting plasma glucose and insulin, total, LDL- and HDL-cholesterol, triglyceride, creatinine, and HOMA to evaluate insulin sensitivity. HCV patients with respect to both healthy subjects and metabolic syndrome patients have a decreased e-GFR: 86.6 ± 16.1 vs 120.2 ± 23.1 mL/min/1.73 m2 (P < 0.0001) and 94.9 ± 22.6 mL/min/1.73 m2 (P = 0.003), respectively. Regarding biochemical variables, HCV patients, in comparison with healthy subjects, have a higher triglyceride level, creatinine, fasting insulin and HOMA (3.4 ± 1.4 vs 2.6 ± 1.3; P < 0.0001). At linear regression analysis, the correlation between e-GFR and HOMA is similar in the metabolic syndrome (r = -0.555, P < 0.0001) and HCV (r = -0.527, P < 0.0001) groups. At multiple regression analysis, HOMA is the major determinant of e-GFR in both groups, accounting for, respectively, 30.8 and 27.8 % of its variation in the metabolic syndrome and HCV. In conclusion, we demonstrate that HCV patients have a significant reduction of e-GFR and that insulin resistance is the major predictor of renal dysfunction.
Lingua originaleEnglish
pagine (da-a)553-559
Numero di pagine7
RivistaINTERNAL AND EMERGENCY MEDICINE
Volume11
Stato di pubblicazionePublished - 2015

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All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Emergency Medicine

Cita questo

Licata, A., Miceli, S., Tassone, E. J., Cimellaro, A., Perticone, M., Caroleo, B., Andreucci, M., Sesti, G., Perticone, F., & Sciacqua, A. (2015). Renal function is impaired in normotensive chronic HCV patients: role of insulin resistance. INTERNAL AND EMERGENCY MEDICINE, 11, 553-559.