CORRELATION BETWEEN DXL AND DXA IN ASSESSMENT OF BONE STRUCTURE IN PATIENTS USING LEVOTHYROXINE

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HAFEZI R.A.; HAMIDI Z.; KESHTKAR A.A.; SOLTANI A.A.F.

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Journal: Journal of Reproduction & Infertility Year:2005 | Volume:6 | Issue:1 (21) (OSTEOPOROSIS SPECIAL ISSUE) Page(s): 87-92

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Title

CORRELATION BETWEEN DXL AND DXA IN ASSESSMENT OF BONE STRUCTURE IN PATIENTS USING LEVOTHYROXINE

Author(s)

HAFEZI R.A. | HAMIDI Z. | KESHTKAR A.A. | SOLTANI A.A.F. | Issue Writer Certificate

Keywords

OSTEOPOROSISQ3

BMDQ3

DXAQ3

DXLQ3

AND LEVOTHYROXINEQ3

Abstract

Introduction: Many patients using Levothyroxine, have osteopenia or even OSTEOPOROSIS by the definition of the World Health Organization based on bone mineral density (BMD). Dual-energy X-ray absorptiometry (DXA) of femur and spine, the standard method for diagnosis of OSTEOPOROSIS, needs nonportable devices that are not available everywhere. DXL (DXA of calcaneus) is a mobile and less expensive method for assessing the bone. There is little data about this methods correlation with DXA in patients using Levothyroxine. The present study assessed the value of DXL in detecting changes in bone structure in these patients compared with DXA. Materials and Methods: In a cross-sectional analysis, 62 patients (4 men) with a mean age of 53.32+-10.54 years, were studied. A GE-Lunar device (DPX-MD) used for DXA of the hip (neck and total) and spine. DXA of the calcaneus measured using a Demeteck device. SPSS (10) was used for statistical analysis. Sensitivity and specificity of DXL method were measured with ROC curve. P- Value less than 0.05 were considered significant. Results: The mean age of patients was 53.32±10.54 years. OSTEOPOROSIS found in 18% of patients in any of the total of femur or L2-L4 regions (6% in total region, 16% in L2-L4 regions). Using DXL, OSTEOPOROSIS diagnosed in 18% of patients. Using ROC curve, sensitivities of T-score ≤-2.5 of calcaneus for diagnosing of OSTEOPOROSIS in total of hip and L2-L4 regions were respectively 75% and 60% and specificities were respectively 88.2% and 90.2% .Area under curve of total and spine regions were 0.975 (P-value=0.002) ,0.866 (P-value=0.000), respectively. Conclusion: DXL (DXA of calcaneus) can be recommended for screening of OSTEOPOROSIS among Levothyroxine user patients. Those suspected of OSTEOPOROSIS, should be examined by additional DXA measurement for establishment of diagnosis before initiation of therapy.

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APA: Copy

HAFEZI, R.A., HAMIDI, Z., KESHTKAR, A.A., & SOLTANI, A.A.F.. (2005). CORRELATION BETWEEN DXL AND DXA IN ASSESSMENT OF BONE STRUCTURE IN PATIENTS USING LEVOTHYROXINE . JOURNAL OF REPRODUCTION AND INFERTILITY, 6(1 (21) (OSTEOPOROSIS SPECIAL ISSUE)), 87-92. SID. https://sid.ir/paper/28415/en

Vancouver: Copy

HAFEZI R.A., HAMIDI Z., KESHTKAR A.A., SOLTANI A.A.F.. CORRELATION BETWEEN DXL AND DXA IN ASSESSMENT OF BONE STRUCTURE IN PATIENTS USING LEVOTHYROXINE . JOURNAL OF REPRODUCTION AND INFERTILITY[Internet]. 2005;6(1 (21) (OSTEOPOROSIS SPECIAL ISSUE)):87-92. Available from: https://sid.ir/paper/28415/en

IEEE: Copy

R.A. HAFEZI, Z. HAMIDI, A.A. KESHTKAR, and A.A.F. SOLTANI, “CORRELATION BETWEEN DXL AND DXA IN ASSESSMENT OF BONE STRUCTURE IN PATIENTS USING LEVOTHYROXINE ,” JOURNAL OF REPRODUCTION AND INFERTILITY, vol. 6, no. 1 (21) (OSTEOPOROSIS SPECIAL ISSUE), pp. 87–92, 2005, [Online]. Available: https://sid.ir/paper/28415/en

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