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Simplifying Sarcopenia Screening: A Community-Based Evaluation of Screening and Assessment Combinations
Tzu-Hao Tseng1, Ting-En Tseng1, Yi-Chien Lu2
1Department of Orthopaedic Surgery, National Taiwan University Hospital, Taipei City, Taiwan.
Summary
Early sarcopenia detection in older adults is vital. Calf circumference combined with handgrip strength offers the most effective screening pathway for community settings, improving early identification of sarcopenia.
Area of Science:
- Gerontology
- Muscle physiology
- Public health screening
Background:
- Sarcopenia, characterized by muscle loss and physical decline, poses a significant health risk to older individuals.
- Early detection of sarcopenia is crucial for timely intervention but remains challenging due to subtle symptoms and varying effectiveness of current screening tools.
- The Asian Working Group for Sarcopenia (AWGS) 2019 guidelines suggest screening methods, yet the optimal combination for community settings is not well-defined.
Purpose of the Study:
- To identify the most suitable and effective screening pathway for the early detection of sarcopenia in community-dwelling older adults.
- To compare the validity and performance of various screening combinations recommended by the AWGS 2019 algorithm.
Main Methods:
- A prospective cross-sectional study involving 567 community-dwelling participants aged 50 years and older.
- Twelve distinct screening pathways were constructed by combining case-finding methods with muscle strength or physical performance tests, adhering to AWGS 2019 recommendations.
- Skeletal muscle mass was assessed using bioelectrical impedance analysis, and the diagnostic accuracy of each pathway was evaluated.
Main Results:
- Calf circumference demonstrated the highest sensitivity among individual case-finding tools, while SARC-F had the lowest.
- Screening pathways incorporating calf circumference outperformed those using SARC-F or SARC-CalF.
- The combination of calf circumference and handgrip strength emerged as the optimal pathway, exhibiting superior sensitivity, satisfactory specificity, and strong predictive accuracy.
Conclusions:
- The combined screening pathway of calf circumference and handgrip strength is highly effective for sarcopenia detection in community settings.
- This simplified approach demonstrates performance comparable to comprehensive AWGS 2019 testing, offering a practical screening option.
- Implementing this pathway can facilitate earlier identification and management of sarcopenia in older populations.
