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논문 기본 정보

자료유형
학술저널
저자정보
Shintaro Honda (Department of Orthopedic Surgery Kobe City Medical Center General Hospital Japan) Satoshi Ota (Department of Orthopedic Surgery Kobe City Medical Center General Hospital Japan) Shinnosuke Yamashita (Department of Orthopedic Surgery Kobe City Medical Center General Hospital Japan) Tadashi Yasuda (Department of Orthopedic Surgery Kobe City Medical Center General Hospital Japan)
저널정보
대한골다공증학회 Osteoporosis and Sarcopenia Osteoporosis and Sarcopenia Vol.8 No.1
발행연도
2022.3
수록면
24 - 29 (6page)
DOI
10.1016/j.afos.2022.03.002

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Objectives: Fragility fractures of the pelvis (FFP) commonly occur in the frail elderly. Displacement in the posterior pelvic ring is recognized as the key sign of instability. This study aims to elucidate the relationship between computer tomography (CT)-based frailty markers and displacement of the posterior pelvic ring within 7 days after injury. Methods: This retrospective study included 49 patients (42 females, 7 males) with FFP (type I 10, type II 24, type III 12, type IV 3). On a CT slice at the level of the third lumbar vertebra, skeletal muscle area, skeletal muscle radiation attenuation, and skeletal muscle index (SMI) were calculated as sarcopenia markers. Osteopenia was measured with trabecular region of interest attenuation technique on the same CT slice. Results: There was no difference in the demographics between non-displaced and displaced FFP. CT-based data showed that patients with FFP had osteopenia. However, no difference was found between non-displaced and displaced FFP. SMI was higher in FFP types III/IV than non-displaced FFP when CT-based data on sarcopenia were compared among all patients. Female patients with FFP demonstrated similar results. Logistic regression analysis using the demographics and CT-based markers on sarcopenia and osteopenia revealed that SMI was a potential determinant of displacement of the posterior pelvic ring fractures. Conclusions: There was inverse association between sarcopenia and displacement of the posterior pelvic ring in the early phase of FFP. Relatively preserved muscle may develop displacement in the elderly with osteopenia.

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