Associations between ultrasonographic masseter muscle thickness, sarcopenia and Eichner index in geriatric outpatients : a case control study

Makaleler > Tam Makale · 2026

Yazarlar: Gülcan COŞKUN AKAR

BMC GERIATRICS, SCI İndekslerine Giren Dergi, Uluslararası, 2026, cilt 26, ss 15-27

DOI: 10.1186/s12877-025-06760-5

Özet

<p>Objectives&nbsp;The&nbsp;aim&nbsp;of&nbsp;this&nbsp;study&nbsp;was&nbsp;to&nbsp;assess&nbsp;the&nbsp;associations&nbsp;between&nbsp;ultrasonographic&nbsp;masseter&nbsp;muscle&nbsp;thickness,&nbsp;sarcopenia&nbsp;and&nbsp;Eichner&nbsp;Index&nbsp;in&nbsp;outpatients&nbsp;over&nbsp;60&nbsp;years&nbsp;of&nbsp;age.&nbsp;Methods&nbsp;Participants&nbsp;who&nbsp;admitted&nbsp;to&nbsp;a&nbsp;geriatric&nbsp;outpatient&nbsp;clinic&nbsp;of&nbsp;a&nbsp;university&nbsp;hospital&nbsp;were&nbsp;included&nbsp;in&nbsp;this&nbsp;study.&nbsp;Comprehensive&nbsp;geriatric&nbsp;assessments&nbsp;were&nbsp;recorded.&nbsp;The&nbsp;European&nbsp;Working&nbsp;Group&nbsp;of&nbsp;Sarcopenia&nbsp;in&nbsp;Older&nbsp;People&nbsp;2&nbsp;criteria&nbsp;were&nbsp;used&nbsp;to&nbsp;evaluate&nbsp;sarcopenia&nbsp;and&nbsp;probable&nbsp;sarcopenia.&nbsp;Masseter&nbsp;muscle&nbsp;thickness&nbsp;(MMT)&nbsp;was&nbsp;measured&nbsp;bilaterally&nbsp;by&nbsp;ultrasonography.&nbsp;The&nbsp;sum&nbsp;of&nbsp;the&nbsp;mean&nbsp;MMT&nbsp;values&nbsp;for&nbsp;the&nbsp;right&nbsp;and&nbsp;left&nbsp;sides&nbsp;was&nbsp;divided&nbsp;into&nbsp;two&nbsp;equal&nbsp;parts,&nbsp;and&nbsp;the&nbsp;average&nbsp;of&nbsp;these&nbsp;two&nbsp;parts&nbsp;was&nbsp;recorded&nbsp;as&nbsp;the&nbsp;average&nbsp;MMT&nbsp;(AMMT).&nbsp;Masseter&nbsp;muscle&nbsp;was&nbsp;grouped&nbsp;into&nbsp;3&nbsp;types&nbsp;according&nbsp;to&nbsp;band&nbsp;appearances.&nbsp;State&nbsp;of&nbsp;dentition&nbsp;was&nbsp;evaluated&nbsp;according&nbsp;to&nbsp;the&nbsp;Eichner&nbsp;index.&nbsp;Results&nbsp;&gt;Fourty-six&nbsp;participants&nbsp;whose&nbsp;median&nbsp;age&nbsp;was&nbsp;73&nbsp;were&nbsp;included&nbsp;in&nbsp;the&nbsp;study&nbsp;(19.6%&nbsp;probable&nbsp;sarcopenic,&nbsp;30.4%&nbsp;sarcopenic).&nbsp;AMMT&nbsp;was&nbsp;significantly&nbsp;lower&nbsp;in&nbsp;those&nbsp;with&nbsp;high&nbsp;SARC-F&nbsp;scores&nbsp;compared&nbsp;to&nbsp;low&nbsp;SARC-F&nbsp;score&nbsp;group&nbsp;(p=0.041).&nbsp;AMMT,&nbsp;the&nbsp;distribution&nbsp;of&nbsp;Eichner&nbsp;groups,&nbsp;right&nbsp;and&nbsp;left&nbsp;masseter&nbsp;muscle&nbsp;fibriller&nbsp;types&nbsp;were&nbsp;similar&nbsp;in&nbsp;probable&nbsp;sarcopenia,&nbsp;sarcopenia&nbsp;and&nbsp;non-sarcopenic&nbsp;groups&nbsp;(p˃0.05).&nbsp;AMMT&nbsp;was&nbsp;significantly&nbsp;correlated&nbsp;with&nbsp;handgrip&nbsp;strength,&nbsp;appendicular&nbsp;skeletal&nbsp;muscle&nbsp;mass,&nbsp;calf&nbsp;circumference.&nbsp;Left-sided&nbsp;functional&nbsp;tooth&nbsp;units&nbsp;correlated&nbsp;positively&nbsp;with&nbsp;left&nbsp;MMT,&nbsp;whereas&nbsp;the&nbsp;Eichner&nbsp;index&nbsp;was&nbsp;not&nbsp;independently&nbsp;associated&nbsp;with&nbsp;sarcopenia.&nbsp;Conclusions&nbsp;Decreased&nbsp;MMT&nbsp;might&nbsp;be&nbsp;useful&nbsp;as&nbsp;a&nbsp;predictor&nbsp;of&nbsp;low&nbsp;appendicular&nbsp;skeletal&nbsp;muscle&nbsp;mass.</p>

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