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Vitamin D insufficiency is associated with impaired bone density among adolescents with perinatally-acquired HIV infection

Nyasha V. Dzavakwa*, Victoria Simms*, Celia L Gregson, Molly Chisenga, Suzanne Filteau, Lackson Kasonka, Katharina Kranzer, Hilda Mujuru, The VITALITY team, et al

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

Abstract

Background
Stunting and pubertal delay are common among children growing up with human immunodeficiency virus (HIV) and are associated with bone and muscle impairments. We investigated factors associated with bone density and muscle function in adolescents living with HIV (ALWH).

Methods
The VITALITY trial (PACTR202009897660297) investigated whether vitamin D and calcium supplementation improves musculoskeletal health among ALWH. A total of 842 ALWH aged 11–19 years, established on antiretroviral therapy (ART) for ≥6 months, were enrolled from HIV clinics in Zambia and Zimbabwe. Clinical history and examination were undertaken, and serum 25-hydroxyvitamin D3 (25[OH]D3) was measured. Dual-energy X-ray absorptiometry measured total-body-less-head bone mineral density adjusted for height (TBLH-BMDHT), and lumbar spine bone mineral apparent density (LS-BMAD) z scores. The association between a priori–defined covariates and musculoskeletal outcomes were investigated using baseline enrollment data and multivariable logistic regression.

Results
TBLH-BMDHT z scores were impaired (mean, −1.42 for male and −0.63 female participants), as were LS-BMAD z scores (mean −1.15 for male and −0.47 for female participants). In bivariate analysis, early pubertal stage, less physical activity, and older age at ART initiation were associated with lower TBLH-BMDHT z scores. Younger age, early pubertal stage, and low socioeconomic status were associated with lower LS-BMAD z scores. Grip-strength-for-height and jump-power-for-height z scores were associated with lower TBLH-BMDHT and LS-BMAD z scores. Low dietary vitamin D and calcium were associated with lower adjusted TBLH-BMDHT z scores. Lower 25(OH)D3 was associated with lower adjusted TBLH-BMDHT and LS-BMAD z scores.

Conclusions
Deficits in bone density are common in ALWH. Vitamin D and calcium supplementation and promotion of exercise may improve musculoskeletal health among perinatally infected ALWH.
Original languageEnglish
Article numberofae442
Number of pages11
JournalOpen Forum Infectious Diseases
Volume11
Issue number9
Early online date19 Sept 2024
DOIs
Publication statusE-pub ahead of print - 19 Sept 2024

Bibliographical note

Publisher Copyright:
© The Author(s) 2024.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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