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Int. J. Mol. Sci. 2018, 19(1), 119; https://doi.org/10.3390/ijms19010119

Vitamin D Status and the Relationship with Bone Fragility Fractures in HIV-Infected Patients: A Case Control Study

1
Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy
2
Infectious Diseases Unit-ARNAS Civico, Di Cristina, Benfratelli, 90127 Palermo, Italy
3
Department of Health Promotion Sciences and Mother and Child Care “G. D’Alessandro”, University of Palermo, 90127 Palermo, Italy
*
Author to whom correspondence should be addressed.
Received: 5 December 2017 / Revised: 20 December 2017 / Accepted: 23 December 2017 / Published: 2 January 2018
(This article belongs to the Special Issue Vitamin D and Human Health)
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Abstract

HIV-infected patients show high risk of fracture. The aims of our study were to determine the prevalence of vertebral fractures (VFs) and their associations with vitamin D in HIV patients. 100 patients with HIV infection and 100 healthy age- and sex-matched controls were studied. Bone mineral density was measured by quantitative ultrasound at the non-dominant heel. Serum osteocalcin and C-terminal telopeptide of collagen type 1 served as bone turnover markers. Bone ultrasound measurements were significantly lower in patients compared with controls (Stiffness Index (SI): 80.58 ± 19.95% vs. 93.80 ± 7.10%, respectively, p < 0.001). VFs were found in 16 patients and in 2 controls. HIV patients with vertebral fractures showed lower stiffness index (SI) (70.75 ± 10.63 vs. 83.36 ± 16.19, respectively, p = 0.045) and lower vitamin D levels (16.20 ± 5.62 vs. 28.14 ± 11.94, respectively, p < 0.02). The majority of VFs (87.5%) were observed in HIV-infected patients with vitamin D insufficiency, and regression analysis showed that vitamin D insufficiency was significantly associated with vertebral fractures (OR 9.15; 95% CI 0.18–0.52, p < 0.04). VFs and are a frequent occurrence in HIV-infected patients and may be associated with vitamin D insufficiency. View Full-Text
Keywords: bone ultrasound; HIV; osteoporosis; vertebral fractures; vitamin D bone ultrasound; HIV; osteoporosis; vertebral fractures; vitamin D
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Atteritano, M.; Mirarchi, L.; Venanzi-Rullo, E.; Santoro, D.; Iaria, C.; Catalano, A.; Lasco, A.; Arcoraci, V.; Lo Gullo, A.; Bitto, A.; Squadrito, F.; Cascio, A. Vitamin D Status and the Relationship with Bone Fragility Fractures in HIV-Infected Patients: A Case Control Study. Int. J. Mol. Sci. 2018, 19, 119.

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