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. 2016 Jun 1;6(2):50-9.
doi: 10.11599/germs.2016.1089. eCollection 2016 Jun.

Low bone mineral density and associated risk factors in HIV-infected patients

Cristina-Emilia Chiţu-Tișu  1 , Ecaterina-Constanţa Barbu  1 , Mihai Lazăr  2 , Daniela Adriana Ion  3 , Ioana Anca Bădărău  4
Affiliations

Low bone mineral density and associated risk factors in HIV-infected patients

Cristina-Emilia Chiţu-Tișu et al. Germs. .

Abstract

Background: Aging of persons with human immunodeficiency virus (HIV) resulted in high rates of osteopenia and osteoporosis. Multiple cohort studies have reported an increased prevalence of bone demineralization among HIV-infected individuals. The aim of this study was to evaluate bone mineral density (BMD) and risk factors for osteopenia/osteoporosis among HIV-positive patients attending the National Institute for Infectious Diseases "Prof.Dr. Matei Balș", Bucharest, Romania.

Methods: We performed a cross-sectional study that enrolled 60 patients with HIV. The association between BMD and lifestyle habits (smoking), body mass index (BMI), nadir cluster of differentiation 4 (CD4) cell count, current CD4 cell count, HIV viral load and history of combination antiretroviral therapy (cART) were investigated. The BMD was measured at the lumbar spine, hips and total body using dual-energy X-ray absorptiometry (DEXA).

Results: In the present study, DEXA evaluation showed an overall prevalence of osteoporosis of 16.66% (ten patients) and a prevalence of osteopenia of 48.33% (29 patients). In men, low BMI and cigarette smoking showed significant association with the diagnosis of lumbar spine demineralization (p=0.034 and p=0.041, respectively). Duration of exposure to cART classes in relation to BMD was also evaluated. The use of non-nucleoside reverse-transcriptase inhibitors (NNRTIs) was associated with low lumbar spine BMD in all patients (p=0.015). Reduced BMD was significantly associated with protease inhibitors (PIs)-containing treatment (p=0.043) in women.

Conclusion: At lumbar spine DEXA, male gender was statistically associated with reduced BMD. At the left hip Ward's area, decreased BMD T scores were significantly associated with aging. The reduced BMD was higher in patients receiving PI- or NNRTI-containing regimens.

Keywords: HIV; antiretroviral therapy; bone mineral density; osteopenia; osteoporosis.

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Conflict of interest statement

Conflicts of interest: All authors – none to declare.

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