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[Peripheral nerve conduction studies in patients with multiple organ failure].
L Velázquez Pérez1, J A Jara González, G Sánchez Cruz
1Hospital Docente Provincial Vladimir Ilich Lenin, Holguin, Cuba. ataxia@cristal.hlg.sld.cu
Revista De Neurologia
|February 11, 2003
Summary
Critical illness polyneuropathy in multiple organ failure (MOF) predominantly affects sensory nerves. Electrophysiological monitoring helps predict prognosis and mechanical ventilation weaning in MOF patients.
Area of Science:
- Neurology
- Critical Care Medicine
- Electrophysiology
Context:
- Critical illness polyneuropathy is a significant factor in mortality among patients with multiple organ failure (MOF).
- Understanding the electrophysiological characteristics of peripheral nerves in MOF is crucial for patient management.
Purpose:
- To evaluate the electrophysiological behavior of peripheral nerves in patients experiencing multiple organ failure.
- To compare nerve conduction studies in MOF patients with healthy controls and those with Guillain-Barré syndrome (GBS).
Summary:
- A prospective study assessed 18 MOF patients, 50 healthy subjects, and 20 GBS patients using peripheral nerve conduction studies.
- MOF patients exhibited predominantly sensory nerve alterations, including reduced amplitude, prolonged latency, and slowed conduction velocities, particularly in the median and posterior tibial nerves.
- Electrophysiological findings were more severe in MOF patients with difficulty weaning from mechanical ventilation, showing statistically significant differences compared to GBS.
Impact:
- Electrophysiological monitoring of peripheral nerves in MOF patients can help establish a prognosis for disease severity and evolution.
- This monitoring may aid in predicting and managing the gradual weaning from mechanical ventilation in critically ill patients.