The effect of body mass index on bone mineral density in postmenopausal women

Authors

  • Yusuf Serdar Gürlek Department of Physical Therapy and Rehabilitation, Rize State Hospital, Rize, Turkey,
  • Ahmet Kalaycıoğlu Department of Anatomy, Karadeniz Teknik University School of Medicine, Trabzon, Turkey
  • Beril Gurlek Department of Obstetrics and Gynecology, Recep Tayyip Erdogan University School of Medicine, Rize, Turkey http://orcid.org/0000-0002-4050-3193

DOI:

https://doi.org/10.18203/2320-6012.ijrms20184403

Keywords:

Body mass index, Bone mineral density, Obesity

Abstract

Background: The aim of this study was to evaluate the association between BMI and BMD among postmenopausal women.

Methods: A total of 121 healthy female patients, aged 65.67±8.59 years, previously menopaused, were enrolled. Subjects were divided into five subgroups according to their BMI. History of fracture and BMD were recorded and compared between groups.

Results: Among the 121 subjects, 77 (63.6%) individuals had a normal BMD, 32 (26.4%) had osteopenia, and 12 (9.9%) were diagnosed with osteoporosis. Mean of waist circumference was 96.1±8.52cm. The prevalence of fractures was 29.8% in this study. A simple correlation analysis revealed that waist circumference was negatively related to lumbar spine BMD (r= -0.374, p=0.03) and lumbar spine BMD T score (r= -0,352 p=0.002) whereas body weight was positively related to BMD of lumbar spine BMD (r=0.41, p=0.0001) and lumbar spine BMD T score (r=0,31 p=0.001). Age and years since menopause (YSM) were negatively correlated with BMD and T score (p=0.001, p=0.0001, respectively).

Conclusions: Even though higher BMI seems to have positive impact on bone density thanks to hormonal and mechanical reasons, increased waist circumference is a sign of a metabolic syndrome and systemic inflammation which are known as having negative effect on bone density. Therefore, postmenopausal women specifically with abdominal obesity should be evaluated for osteoporosis. 

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Published

2018-10-25

How to Cite

Gürlek, Y. S., Kalaycıoğlu, A., & Gurlek, B. (2018). The effect of body mass index on bone mineral density in postmenopausal women. International Journal of Research in Medical Sciences, 6(11), 3482–3487. https://doi.org/10.18203/2320-6012.ijrms20184403

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Original Research Articles