Feasibility of Using Fat Degeneration of Lumbar Extensor Muscle as an Alternative Diagnostic Criterion for Sarcopenia in Patients with Osteoporotic Vertebral Fractures

Study Design Feasibility study. Purpose To investigate the feasibility of using fat degeneration of lumbar extensor muscle (LEM) as an alternative diagnostic criterion for sarcopenia in patients with osteoporotic vertebral fractures. Overview of Literature Although sarcopenia has been gaining increa...

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Main Authors: Ju-Yeong Heo, Ji-Hun Park, Sung-An Lim, Seung-Woo Shim, Yong-Soo Choi
Format: Article
Language:English
Published: Korean Spine Society 2020-06-01
Series:Asian Spine Journal
Subjects:
Online Access:http://www.asianspinejournal.org/upload/pdf/asj-2019-0044.pdf
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author Ju-Yeong Heo
Ji-Hun Park
Sung-An Lim
Seung-Woo Shim
Yong-Soo Choi
author_facet Ju-Yeong Heo
Ji-Hun Park
Sung-An Lim
Seung-Woo Shim
Yong-Soo Choi
author_sort Ju-Yeong Heo
collection DOAJ
description Study Design Feasibility study. Purpose To investigate the feasibility of using fat degeneration of lumbar extensor muscle (LEM) as an alternative diagnostic criterion for sarcopenia in patients with osteoporotic vertebral fractures. Overview of Literature Although sarcopenia has been gaining increased attention among researchers and healthcare practitioners, there is uncertainty about the association between sarcopenia and fat degeneration of LEM. Methods In this study, 33 patients with osteoporotic vertebral fractures (group 1) and 29 patients without such fractures (group 2) were enrolled. Sarcopenia was diagnosed in accordance with the Asian Working Group for Sarcopenia (AWGS) criteria, including assessment of extremity muscle mass using dual-energy X-ray absorptiometry, grip strength, and gait speed. The bone mineral density and fat degeneration of LEM were investigated using magnetic resonance imaging. Results The mean rates of fat degeneration of LEM and the skeletal muscle index were 38.3% and 5.5 kg/m2 in group 1 and 28.9% and 6.3 kg/m2 in group 2, respectively. The fat degeneration of LEM was negatively correlated with gait speed (r=−0.44, p=0.01) and handgrip strength (r=−0.37, p=0.01). The fat degeneration of LEM also demonstrated a significant relationship with osteoporotic vertebral fractures (p=0.01). Receiver operating characteristic curve analysis between fat degeneration of LEM and osteoporotic vertebral fractures showed that the cut-off value of fat degeneration was 31.9% (sensitivity=0.67, specificity=0.66). There was a positive correlation between sarcopenia defined by the AWGS and that defined by the 31.90% cut-off value of fat degeneration of LEM instead of extremity muscle mass (r=0.46, p=0.01). Conclusions These results suggest the feasibility of using fat degeneration of LEM as an alternative diagnostic criterion for sarcopenia in patients with osteoporotic vertebral fractures. A cut-off value of fat degeneration of LEM of 31.9% was shown to be useful for diagnosing osteoporotic vertebral fractures.
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spelling doaj.art-b241b8d1184a48028655ad613306668d2022-12-22T00:15:55ZengKorean Spine SocietyAsian Spine Journal1976-19021976-78462020-06-0114332032610.31616/asj.2019.00441139Feasibility of Using Fat Degeneration of Lumbar Extensor Muscle as an Alternative Diagnostic Criterion for Sarcopenia in Patients with Osteoporotic Vertebral FracturesJu-Yeong Heo0Ji-Hun ParkSung-An Lim1Seung-Woo Shim2Yong-Soo Choi3 Department of Orthopedic Surgery, Kwangju Christian Hospital, Gwangju, Korea Department of Orthopedic Surgery, Kwangju Christian Hospital, Gwangju, Korea Department of Orthopedic Surgery, Kwangju Christian Hospital, Gwangju, Korea Department of Orthopedic Surgery, Kwangju Christian Hospital, Gwangju, KoreaStudy Design Feasibility study. Purpose To investigate the feasibility of using fat degeneration of lumbar extensor muscle (LEM) as an alternative diagnostic criterion for sarcopenia in patients with osteoporotic vertebral fractures. Overview of Literature Although sarcopenia has been gaining increased attention among researchers and healthcare practitioners, there is uncertainty about the association between sarcopenia and fat degeneration of LEM. Methods In this study, 33 patients with osteoporotic vertebral fractures (group 1) and 29 patients without such fractures (group 2) were enrolled. Sarcopenia was diagnosed in accordance with the Asian Working Group for Sarcopenia (AWGS) criteria, including assessment of extremity muscle mass using dual-energy X-ray absorptiometry, grip strength, and gait speed. The bone mineral density and fat degeneration of LEM were investigated using magnetic resonance imaging. Results The mean rates of fat degeneration of LEM and the skeletal muscle index were 38.3% and 5.5 kg/m2 in group 1 and 28.9% and 6.3 kg/m2 in group 2, respectively. The fat degeneration of LEM was negatively correlated with gait speed (r=−0.44, p=0.01) and handgrip strength (r=−0.37, p=0.01). The fat degeneration of LEM also demonstrated a significant relationship with osteoporotic vertebral fractures (p=0.01). Receiver operating characteristic curve analysis between fat degeneration of LEM and osteoporotic vertebral fractures showed that the cut-off value of fat degeneration was 31.9% (sensitivity=0.67, specificity=0.66). There was a positive correlation between sarcopenia defined by the AWGS and that defined by the 31.90% cut-off value of fat degeneration of LEM instead of extremity muscle mass (r=0.46, p=0.01). Conclusions These results suggest the feasibility of using fat degeneration of LEM as an alternative diagnostic criterion for sarcopenia in patients with osteoporotic vertebral fractures. A cut-off value of fat degeneration of LEM of 31.9% was shown to be useful for diagnosing osteoporotic vertebral fractures.http://www.asianspinejournal.org/upload/pdf/asj-2019-0044.pdfvertebral fracturespinal fractureslumbar extensor muscleback muscles
spellingShingle Ju-Yeong Heo
Ji-Hun Park
Sung-An Lim
Seung-Woo Shim
Yong-Soo Choi
Feasibility of Using Fat Degeneration of Lumbar Extensor Muscle as an Alternative Diagnostic Criterion for Sarcopenia in Patients with Osteoporotic Vertebral Fractures
Asian Spine Journal
vertebral fracture
spinal fractures
lumbar extensor muscle
back muscles
title Feasibility of Using Fat Degeneration of Lumbar Extensor Muscle as an Alternative Diagnostic Criterion for Sarcopenia in Patients with Osteoporotic Vertebral Fractures
title_full Feasibility of Using Fat Degeneration of Lumbar Extensor Muscle as an Alternative Diagnostic Criterion for Sarcopenia in Patients with Osteoporotic Vertebral Fractures
title_fullStr Feasibility of Using Fat Degeneration of Lumbar Extensor Muscle as an Alternative Diagnostic Criterion for Sarcopenia in Patients with Osteoporotic Vertebral Fractures
title_full_unstemmed Feasibility of Using Fat Degeneration of Lumbar Extensor Muscle as an Alternative Diagnostic Criterion for Sarcopenia in Patients with Osteoporotic Vertebral Fractures
title_short Feasibility of Using Fat Degeneration of Lumbar Extensor Muscle as an Alternative Diagnostic Criterion for Sarcopenia in Patients with Osteoporotic Vertebral Fractures
title_sort feasibility of using fat degeneration of lumbar extensor muscle as an alternative diagnostic criterion for sarcopenia in patients with osteoporotic vertebral fractures
topic vertebral fracture
spinal fractures
lumbar extensor muscle
back muscles
url http://www.asianspinejournal.org/upload/pdf/asj-2019-0044.pdf
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