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. 2020 Sep 21;15(1):148.
doi: 10.1007/s11657-020-00811-7.

Bone mineral density in transfusion-dependent thalassemia patients and its associated factors in Southern Iran

Mohammadreza Bordbar  1 , Gholamhossein Ranjbar Omrani  2 , Sezaneh Haghpanah  1 , Forough Saki  3 , Mehran Karimi  1 , Omidreza Zekavat  1
Affiliations

Bone mineral density in transfusion-dependent thalassemia patients and its associated factors in Southern Iran

Mohammadreza Bordbar et al. Arch Osteoporos. .

Abstract

Despite the significant improvements in the management of thalassemia, there are growing concerns regarding their long-term complications. We showed that low bone mass is one of the most prevalent complications among these patients. Insufficient physical activity and hypogonadism are the main possible associated factors followed by DM and insufficient sun exposure.

Purpose: Despite the significant improvements in the management of transfusion-dependent thalassemia (TDT), there are growing concerns regarding their long-term complications.

Methods: This cross-sectional study included 615 TDT patients who were registered and followed in a comprehensive thalassemia clinic in Southern Iran. We measured serum biochemical tests and bone mineral density in all patients. We recorded physical activity and sun exposure subjectively, and an endocrinologist visited and examined all the patients. A group of age- and gender-matched healthy volunteers participated in the study as the control group.

Results: The mean age of the studied population was 28.4 ± 7.7 years, and 55.8% were female. The prevalence of vitamin D deficiency was 45.6% and 54.4% in TDT patients and the control group. A portion of TDT patients suffered from different endocrinopathies, which included hypogonadism (49.8%), diabetes mellitus (17.2%), hypoparathyroidism (14.6%), and hypothyroidism (6.3%). The prevalence of low bone mass in patients with TDT was 48.3 and 74.6% in the femoral and lumbar bones, respectively. Low physical activity, insufficient sun exposure, diabetes mellitus, and hypogonadism were associated with low bone mass.

Conclusion: Low bone mass is highly prevalent among TDT patients in Southern Iran. Insufficient physical activity and hypogonadism are the main possible associated factors, followed by DM and insufficient sun exposure.

Keywords: Bone mineral density; Cholecystectomy; Endocrinopathy; Iran; Splenectomy; Thalassemia.

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