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Letter to the Editor| Volume 21, ISSUE 8, P1173-1174, August 2020

Comment on Asian Working Group on Sarcopenia's Updated Consensus Recommendations: Emphasis on Anterior Thigh Muscle Mass

      We have read with great interest the recently published consensus update of Asian Working Group for Sarcopenia about the diagnosis and treatment of sarcopenia.
      • Chen L.K.
      • Woo J.
      • Assantachai P.
      • et al.
      Asian Working Group for sarcopenia: 2019 consensus update on sarcopenia diagnosis and treatment.
      We congratulate them for defining their diagnostic algorithm. Although we agree on selecting less stringent cut-off values for physical performance tests [ie, ≥12 seconds for chair stand test (CST) and <1.0 m/s for usual gait speed] compared with those of the European Working Group on Sarcopenia in Older People,
      • Cruz-Jentoft A.J.
      • Bahat G.
      • Bauer J.
      • et al.
      Sarcopenia: Revised European consensus on definition and diagnosis [published correction appears in Age Ageing].
      we have a few suggestions on the following issues.
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      References

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        • Woo J.
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        Asian Working Group for sarcopenia: 2019 consensus update on sarcopenia diagnosis and treatment.
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      1. Kara M, Kaymak B, Ata AM, et al. Sonographic Thigh Adjustment Ratio - STAR a golden formula for the diagnosis of sarcopenia. Am J Phys Med Rehabil 2020.

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      Linked Article

      • Asian Working Group for Sarcopenia Response to the Emphasis on Anterior Thigh Muscle Mass in Sarcopenia Diagnosis
        Journal of the American Medical Directors AssociationVol. 21Issue 8
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          We thank you for the opportunity to respond to the issues raised in the letter by Kara et al and thank them for their valuable comments on the Asian Working Group for Sarcopenia (AWGS) consensus for sarcopenia diagnosis. Before responding to the comments, we want to address some consensus of AWGS: (1) AWGS wants to make evidence-based recommendations, so only published studies in Asian countries were included; (2) AWGS defined sarcopenia as an age-related condition, so recommendations were limited to people older than 60 or 65 years old; and (3) younger people with sarcopenia were recommended to search for potential underlying pathoetiology instead of only sarcopenia.
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