Sarcopenia is independently associated with parietal atrophy in older adults

doi:10.1016/j.exger.2021.111402

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標題:	Sarcopenia is independently associated with parietal atrophy in older adults
作者:	Hsu, Ying-Hsin Liang, Chih-Kuang Chou, Ming-Yueh Wang, Yu-Chun Liao, Mei-Chen Chang, Wei-Cheng Hsiao, Chia-Chi Lai, Ping-Hong Lin, Yu-Te
貢獻者:	Kaohsiung Vet Gen Hosp, Ctr Geriatr & Gerontol Kaohsiung Vet Gen Hosp, Dept Internal Med, Div Neurol Chia Nan Univ Pharm & Sci Natl Yang Ming Chiao Tung Univ Taipei, Aging & Hlth Res Ctr Natl Yang Ming Univ, Sch Med, Dept Geriatr Med Kaohsiung Med Univ, Dept Healthcare Adm & Med Informat Kaohsiung Vet Gen Hosp, Div Metab & Endocrinol Kaohsiung Vet Gen Hosp, Dept Radiol Natl Yang Ming Univ, Sch Med Tajen Univ, Dept Pharm
關鍵字:	Sarcopenia Parietal atrophy Brain atrophy Ageing MRI
日期:	2021
上傳時間:	2023-11-11 11:51:50 (UTC+8)
出版者:	PERGAMON-ELSEVIER SCIENCE LTD
摘要:	Introduction: As populations age, sarcopenia becomes a major health problem among adults aged 65 years and older. However, little information is available about the relationship between sarcopenia and brain structure abnormalities. The objective of this study was to investigate associations between sarcopenia and brain atrophy in older adults and relationships with regional brain areas. Methods: This prospective cohort study recruited 102 retirement community residents aged 65 years and older. All participants underwent gait speed measurement, handgrip strength measurement and muscle mass measurement by dual X-ray absorptiometry. Diagnosis of sarcopenia was made according to criteria of the Asian Working Group for Sarcopenia (AWGSOP). All patients underwent magnetic resonance imaging (MRI), and images were analysed for global cortical atrophy (GCA) (range 0-3), parietal atrophy (PA) (range 0-3) and medial temporal atrophy (MTA) (range 0-4). Results: Among 102 older adult participants (81.4 +/- 8.2 years), 47 (46.1%) were diagnosed with sarcopenia according to AWGSOP criteria. The sarcopenia group had more moderate to severe PA (Grade 2: 19.1% vs. 5.5%; grade 3:6.4% vs. 0%, P = 0.016) and GCA (Grade 2: 40.4% vs. 18.2%, P = 0.003) and a trend of more moderate to severe MTA (Grade 2: 46.8% vs. 30.9%; grade 3: 8.5% vs. 1.8%, P = 0.098) than the non-sarcopenia group. In univariate logistic regression, sarcopenia was significantly associated with PA (OR 5.94, 95% CI 1.56-22.60, P = 0.009), GCA (OR 3.05, 95% CI 1.24-7.51, P = 0.015), and MTA (OR 2.55, 95% CI 1.14-5.69, P = 0.023). In multivariable logistic regression analysis, sarcopenia was an independent risk factor for PA (adjusted OR 6.90, 95% CI 1.30-36.47, P = 0.023). After adjusting for all covariates, only age had a significant relationship with GCA (Adjusted OR 1.09, 95% CI 1.00-1.19, P = 0.044) and MTA (Adjusted OR 1.09, 95% CI 1.01-1.17, P = 0.022). Conclusions: This is the first study to explore associations between sarcopenia and global as well as regional brain atrophy in older adults. The sarcopenia group had higher rates of moderate to severe PA, GCA and MTA than the non-sarcopenia group. PA was significantly associated with sarcopenia in older adults. Further longitudinal studies are needed to address the mechanism and pathogenesis of brain atrophy and sarcopenia.
關聯:	EXP GERONTOL, v.151
顯示於類別:	[通識教育中心] 期刊論文

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