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KMID : 1120320150010000021
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Osteoporosis and Sarcopenia
2015 Volume.1 No. 0 p.21 ~ p.21
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Increased Body Weight and Sarcopenic Obesity: Causes of Intertrochanteric Fracture in Non-Osteoporotic Female Patients
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Ji Hyung-Min
Won Ye-Yeon
Jin Dong-San
Han Jun
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Abstract
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Purpose: The purpose of this study was to determine if there were any differences between women diagnosed with an intertrochanteric fracture who were categorized into a low BMD group (T-score ≤?2.5) and a high BMD group (T-score >?2.5). Additionally, we examined the correlation between T-score and intermuscular adipose tissue (IMAT) in different thigh muscles.
Methods: This cross-sectional study identified 117 women with intertrochanteric fracture in whom both preoperative computed tomography (CT) scan of the pelvis and dual-energy x-ray absorptiometry (DEXA) were obtained. The patients were divided into high BMD (49 patients) and a low BMD (68 patients) groups. Attenuation of the gluteus maximus, abductor, quadriceps, and hamstring muscles were measured from CT scans of the hip and thigh cross-sectional area. The cross-sectional area of normalized IMAT of the muscles was also measured. All variables were compared between the two groups.
Results: Patients with a high BMD were significantly younger, taller, and heavier. IMAT of the quadriceps was significantly higher in these patients. A moderate correlation was observed between T-score and weight and a weak correlation was detected between T-score and the IMAT ratio of the quadriceps. Body mass index (BMI) was moderately correlated with IMAT of all muscles. T-score was moderately correlated with abductor and quadriceps IMAT ratios in 55?60 kg patients.
Conclusion: BMI and body weight were higher and IMAT of the quadriceps increased in non-osteoporotic women with a T-score >?2.5 who sustained an intertrochanteric fracture when compared with those of patients with osteoporosis. This result indicates that increases in body weight and sarcopenic obesity play a role in generating fractures in this population.
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KEYWORD
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