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Using bone mineral apparent density for BMD adjustment in chronic diseases: Thalassemia an example
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چکیده: (170 مشاهده) |
Background: Low BMD is a common problem in major thalassaemia patient, but the use of DXA in chronic disease children with smaller bones, has some problems. Utilizing bone mineral apparent density (BMAD) helps in preventing this obstacle. Testing the usefulness of this method in resolving the effects of bone size on BMD by comparing the BMD and BMAD of our thalassemics with results of our healthy ones, is our goal.
Methods: Sample size was 110 cases with mean age of 9.6 ± 4.3 y/o and contained 73 males. Gauge of BMDs done by dual x-ray absorptiometry. Then BMAD was calculated. We did comparison of BMDs and BMADs results of thalassemic children with results of healthy Iranian pediatrics.
Results: Mean of femoral BMD and BMAD, spinal BMD and BMAD was 0.579±0.134 g/cm2, 0.162±0.096 g/cm3, 0.563±0.118 g/cm2 and 0.107±0.015, respectively. When results of 9-18 patients compared with BMDs and BMADs of normal children, BMD of femur and BMD and BMAD of spine of patients found significantly lower (P-values, 0.003, <0.001, <0.001, respectively). BMAD of femur of patients was not significantly different from normals.
Conclusion: When bone mineral density of femur modifies by bone mineral apparent density formula, the remarkable difference between BMD of patients and normals; vanishes. Utilizing bone mineral apparent density helps in interpretation of femoral dual X-ray absorptiometry at least in thalassemic patients. As the results of vertebrae, after modification by calculating BMAD, remains significantly different, we cannot bring forward BMAD for mentioned aim in the spine of thalassemics.
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متن کامل [PDF 647 kb]
(46 دریافت)
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نوع مطالعه: Original Article |
موضوع مقاله:
Endocrinology
دریافت: 1401/9/16 | پذیرش: 1402/1/21 | انتشار: 1403/2/23
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