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Updated: Mar 23, 2026

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Manual Muscle Testing: A Method of Measuring Extremity Muscle Strength Applied to Critically Ill Patients
Published on: April 12, 2011
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[CHARACTERISTICS OF SURFACE ELECTROMYOGRAPHY AND ACID-BASE BALANCE IN PATIENTS WITH INTENSIVE CARE UNIT-ACQUIRED
Anesteziologiia I Reanimatologiia
|March 31, 2016
Summary
Intensive care unit-acquired weakness (ICUAW) initially causes neuropathy in skeletal muscles, progressing to myopathy over time. Mechanical ventilation duration is a key factor in these muscle changes.
Area of Science:
- Neuromuscular physiology
- Intensive care medicine
- Biomedical engineering
Context:
- Intensive care unit-acquired weakness (ICUAW) is a common complication in critically ill patients.
- Surface electromyography (sEMG) and acid-base balance (ABB) are potential biomarkers for muscle dysfunction.
- Understanding the progression of ICUAW is crucial for patient recovery.
Purpose:
- To investigate the correlation between sEMG parameters and ABB in patients with ICUAW.
- To analyze the temporal changes in skeletal muscle pathology associated with ICUAW.
- To identify factors contributing to the development of ICUAW.
Summary:
- sEMG parameters indicated neurogenic processes in skeletal muscle within the first 40 days of ICUAW.
- Myogenic pathology signs were observed between 41-100 days, suggesting a progression from neuropathy to myopathy.
- ABB parameters showed a significant correlation with bed rest and mechanical ventilation duration.
Impact:
- This study reveals a distinct temporal progression of skeletal muscle damage in ICUAW, from neuropathy to myopathy.
- Mechanical ventilation duration is identified as a significant pathogenic factor in ICUAW-related muscle modifications.
- Findings may inform the development of targeted interventions to mitigate muscle weakness in ICU survivors.
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