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Sarcopenic Dysphagia Reconsidered: A Systematic Review of Complex Interactions and Diagnostic Challenges
Seo Jung Yun1,2, Han Gil Seo1, Sang Yoon Lee1
1Department of Rehabilitation Medicine, Seoul National University College of Medicine, Seoul National University Hospital, 101 Daehak-Ro, Jongno-Gu, Seoul, 03080, Republic of Korea.
Sarcopenic dysphagia, difficulty swallowing due to muscle loss, lacks clear definitions and diagnostic criteria. This review found varied assessments and methodological gaps, necessitating further research for clarity.
Area of Science:
- Gerontology
- Clinical Medicine
- Physiology
Background:
- Sarcopenic dysphagia is an emerging concept linking swallowing difficulties to generalized muscle loss.
- Current understanding is limited by undefined diagnostic criteria and unclear pathophysiology.
- Growing clinical interest necessitates a review of existing literature.
Conclusions:
- The conceptualization of sarcopenic dysphagia is hindered by complex etiologies and inconsistent research methods.
- Establishing a direct causal link between sarcopenia and dysphagia requires careful consideration of confounding factors.
- Future research should employ standardized, objective measures in longitudinal studies to clarify the relationship between sarcopenia and swallowing dysfunction.
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