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Vitamin D status and parathyroid hormone levels in relation to bone mineral density in apparently healthy Syrian adults.
Arch Osteoporos 2016; 11:18AO

Abstract

Vitamin D deficiency was highly prevalent in this study. More than half of the participants with vitamin D level less than 5 ng/mL had secondary hyperparathyroidism, which implicated a major bone health concern. After adjustment for potential predictors, parathyroid hormone (PTH) explained about 3 % of the variance in total hip bone mineral density (BMD).

PURPOSE

Bone mineral density (BMD) is known to be influenced by serum 25-hydroxyvitamin D (25OHD) and intact parathyroid hormone (PTH) levels. The relationship between 25OHD and PTH with BMD has not been well documented in Syrian adults. We aimed to determine how differences in serum 25OHD and PTH levels impacted hip and lumbar spine BMD among apparently healthy Syrian adults.

METHODS

25OHD and PTH were measured in 156 participants aged 18-53 years from Damascus and its surroundings. Lumbar spine and hip BMD measurements were measured by dual-energy X-ray absorptiometry using Hologic Discovery Wi densitometer. Multivariate regression models were used to investigate the relationships between 25OHD, PTH, and BMD.

RESULTS

All participants, except one male, had 25OHD <30 ng/mL (<75 nmol/L), and 89.1 % of them had 25OHD levels less than 20 ng/mL (50 nmol/L). Secondary hyperparathyroidism was significantly more prevalent in the lowest 25OHD quartile compared to that in the highest quartile (59 vs. 10.3 %, p < 0.0001). Mean bone mineral density at all sites in our participants was lower when compared to that of their Caucasian counterparts in Europe and North America. No significant correlation was found between 25OHD and BMD either at hip or at lumbar spine. In the multivariate analyses, after adjustment for potential predictors, PTH explained about 3 % of the variation in total hip BMD.

CONCLUSIONS

Low BMD was relatively frequent at all measured sites. PTH, but not 25OHD, was a predictor for total hip BMD in a young population.

Authors+Show Affiliations

Department of Internal Medicine, Faculty of Medicine, Damascus University, Damascus, Syria.Department of Family & Community Medicine, Faculty of Medicine, Damascus University, Mazzeh Autostrade, Damascus, Syria. sdcm@pisem.net.Department of Family & Community Medicine, Faculty of Medicine, Damascus University, Mazzeh Autostrade, Damascus, Syria.Department of Internal Medicine, Faculty of Medicine, Damascus University, Damascus, Syria.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

27126333

Citation

Sayed-Hassan, Rima, et al. "Vitamin D Status and Parathyroid Hormone Levels in Relation to Bone Mineral Density in Apparently Healthy Syrian Adults." Archives of Osteoporosis, vol. 11, 2016, p. 18.
Sayed-Hassan R, Abazid N, Koudsi A, et al. Vitamin D status and parathyroid hormone levels in relation to bone mineral density in apparently healthy Syrian adults. Arch Osteoporos. 2016;11:18.
Sayed-Hassan, R., Abazid, N., Koudsi, A., & Alourfi, Z. (2016). Vitamin D status and parathyroid hormone levels in relation to bone mineral density in apparently healthy Syrian adults. Archives of Osteoporosis, 11, p. 18. doi:10.1007/s11657-015-0245-0.
Sayed-Hassan R, et al. Vitamin D Status and Parathyroid Hormone Levels in Relation to Bone Mineral Density in Apparently Healthy Syrian Adults. Arch Osteoporos. 2016;11:18. PubMed PMID: 27126333.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Vitamin D status and parathyroid hormone levels in relation to bone mineral density in apparently healthy Syrian adults. AU - Sayed-Hassan,Rima, AU - Abazid,Nizar, AU - Koudsi,Abir, AU - Alourfi,Zaynab, Y1 - 2016/04/28/ PY - 2015/07/09/received PY - 2015/10/29/accepted PY - 2016/4/30/entrez PY - 2016/4/30/pubmed PY - 2016/10/19/medline KW - Bone mineral density KW - Secondary hyperparathyroidism KW - Syria KW - Vitamin D deficiency SP - 18 EP - 18 JF - Archives of osteoporosis JO - Arch Osteoporos VL - 11 N2 - UNLABELLED: Vitamin D deficiency was highly prevalent in this study. More than half of the participants with vitamin D level less than 5 ng/mL had secondary hyperparathyroidism, which implicated a major bone health concern. After adjustment for potential predictors, parathyroid hormone (PTH) explained about 3 % of the variance in total hip bone mineral density (BMD). PURPOSE: Bone mineral density (BMD) is known to be influenced by serum 25-hydroxyvitamin D (25OHD) and intact parathyroid hormone (PTH) levels. The relationship between 25OHD and PTH with BMD has not been well documented in Syrian adults. We aimed to determine how differences in serum 25OHD and PTH levels impacted hip and lumbar spine BMD among apparently healthy Syrian adults. METHODS: 25OHD and PTH were measured in 156 participants aged 18-53 years from Damascus and its surroundings. Lumbar spine and hip BMD measurements were measured by dual-energy X-ray absorptiometry using Hologic Discovery Wi densitometer. Multivariate regression models were used to investigate the relationships between 25OHD, PTH, and BMD. RESULTS: All participants, except one male, had 25OHD <30 ng/mL (<75 nmol/L), and 89.1 % of them had 25OHD levels less than 20 ng/mL (50 nmol/L). Secondary hyperparathyroidism was significantly more prevalent in the lowest 25OHD quartile compared to that in the highest quartile (59 vs. 10.3 %, p < 0.0001). Mean bone mineral density at all sites in our participants was lower when compared to that of their Caucasian counterparts in Europe and North America. No significant correlation was found between 25OHD and BMD either at hip or at lumbar spine. In the multivariate analyses, after adjustment for potential predictors, PTH explained about 3 % of the variation in total hip BMD. CONCLUSIONS: Low BMD was relatively frequent at all measured sites. PTH, but not 25OHD, was a predictor for total hip BMD in a young population. SN - 1862-3514 UR - https://www.unboundmedicine.com/medline/citation/27126333/Vitamin_D_status_and_parathyroid_hormone_levels_in_relation_to_bone_mineral_density_in_apparently_healthy_Syrian_adults_ L2 - https://dx.doi.org/10.1007/s11657-015-0245-0 DB - PRIME DP - Unbound Medicine ER -