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Related Experiment Videos

Peripheral nerve function in sepsis and multiple organ failure.

N J Witt1, D W Zochodne, C F Bolton

  • 1Department of Clinical Neurological Sciences, University of Western Ontario, London, Canada.

Chest
|January 1, 1991
PubMed
Summary
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Sepsis and critical illness can cause peripheral nerve damage, impacting recovery. Nerve function correlates with critical care unit time, glucose, and albumin levels.

Area of Science:

  • Critical Care Medicine
  • Neurology
  • Intensive Care

Background:

  • Sepsis and multiple organ failure (critical illness) are associated with significant morbidity.
  • Peripheral nerve dysfunction is a recognized complication in critically ill patients.

Purpose of the Study:

  • To prospectively investigate the incidence and severity of peripheral nerve dysfunction in critically ill patients.
  • To identify variables correlating with peripheral nerve function in this population.

Main Methods:

  • Prospective study of 43 patients with sepsis and multiple organ failure.
  • Electrophysiologic studies to assess motor and sensory nerve function.
  • Correlation analysis with clinical variables and biochemical markers.

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Main Results:

  • 30 (70%) patients exhibited axonal degeneration of peripheral nerves.
  • Nerve function index negatively correlated with ICU stay and serum glucose, and positively with serum albumin.
  • Diaphragm compound muscle action potential amplitude correlated with nerve function.

Conclusions:

  • Peripheral polyneuropathy is common in critical illness, primarily axonal.
  • ICU duration, glucose, and albumin levels are significant predictors of nerve function.
  • Findings suggest shared pathophysiological mechanisms underlying organ system dysfunction in critical illness.