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[Multispectral bioimpedance and sarcopenia in the elderly].
Etienne Rivier1, Thierry Gauthier, Marc-Antoine Krieg
1Centre de traitement et de réadaptation-Riviera, Blonay.
Revue Medicale Suisse
|April 20, 2012
Summary
This study found that multispectral bioimpedance effectively correlates muscle mass with muscle strength. However, this method did not show a correlation with functional tests in older adults.
Area of Science:
- Gerontology
- Muscle Physiology
- Biomedical Engineering
Context:
- Sarcopenia is characterized by loss of muscle mass, strength, and function.
- Multispectral bioimpedance (MSB) offers a novel bedside method for assessing muscle mass.
- Pilot studies are crucial for validating new diagnostic tools.
Purpose:
- To investigate the correlation between muscle mass measured by MSB and various muscle strength and functional tests.
- To assess the utility of MSB as a bedside tool for sarcopenia evaluation.
Summary:
- A pilot study utilized MSB to measure muscle mass in relation to grip strength, key-pitch, and tip-pinch tests.
- Results indicated a significant correlation between MSB-derived muscle mass and muscle strength assessments.
- No significant correlation was found between MSB-measured muscle mass and functional tests like 10-meter walk speed or the Tinetti test.
Impact:
- MSB shows promise as a reliable bedside tool for assessing muscle strength in sarcopenia.
- Further research is needed to understand the relationship between MSB-measured muscle mass and functional decline.
- This study contributes to the development of objective diagnostic methods for sarcopenia.
