High-definition Surface Electromyography Markers for the Diagnosis of Sarcopenia
HD-sEMG Markers of Sarcopenia
Assistance Publique - Hôpitaux de Paris
175 participants
May 18, 2022
INTERVENTIONAL
Conditions
Summary
Sarcopenia is a progressive and generalised skeletal muscle disorder involving the accelerated loss of muscle mass and function that is associated with increased adverse outcomes including falls, functional decline, frailty, and mortality. In this pilot project, the investigators want to explore the potential of the high-definition surface electromyography technology (HD-sEMG) for the diagnosis of sarcopenia. This is a monocentric, descriptive, cross-sectional, parallel group study to develop a new diagnostic method. It is planned to include 50 people aged 75 years and over hospitalized in the acute geriatric ward and suspected of sarcopenia (Score ≥4 on the SARC-F screening questionnaire). The inclusion duration will be 36 months and adding a 1-month patient follow-up as part of routine care, the total study duration will be 37 months. Patients will have their body composition (muscle mass, fat mass, and bone mass) using dual X-ray absorptiometry (DEXA). Muscular strength will be assessed by handgrip strength. Physical performance will be assessed. Additional data will be collected from their medical records.
Eligibility
Inclusion Criteria4
- Patient aged 75 years and over
- Score ≥4 on the SARC-F screening questionnaire
- Enrolled in a social security plan (no AME)
- Informed and consenting patient
Exclusion Criteria11
- BMI ≥30 kg/m2
- Untreated/unbalanced endocrinological pathology
- Myopathy
- Inflammatory or autoimmune pathology
- Severe psychiatric pathology or severe cognitive disorders that do not allow the performance of examinations
- Patients who are dependent for all acts of daily life
- Patients with a very short life expectancy
- Recent fracture or trauma of the lower limbs preventing dynamic measurement of HD-sEMG recording
- Bilateral hip prosthesis
- Skin problem that may interfere with the recording of surface EMG activity
- Patient under guardianship / curatorship
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Interventions
high definition surface electromyography, allowing the recording of muscle activation signals sensitive to the intensity of the contraction and indirectly to the muscle strength as well as to the muscular fatigability, but also capable of measuring the modifications of the recruitment modalities of the motor units. This recording will be made on the rectus femoris during knee extension, either in the lying position or during chair lifts, depending on the patient's functional state.
Muscle Ultrasound with Philips Lumify Wireless Handheld Ultrasound for Android - Model - L12-4 linear probe, allowing performance at the patient's bed.
physical activity assessment questionnaire/adapted version for seniors
Locations(6)
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NCT04987814