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Acute polyneuropathy in critically ill patients.

J B Lopez Messa1, A García

  • 1Intensive Care Unit, Hospital General Río Carrión, Palencia, Spain.

Intensive Care Medicine
|January 1, 1990
PubMed
Summary

Critically ill patients in the ICU may develop acute polyneuropathy, often linked to severe infections and Adult Respiratory Distress Syndrome (ARDS). This condition, associated with nutritional disorders, can lead to significant motor deficits and requires careful monitoring.

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Area of Science:

  • Neurology
  • Intensive Care Medicine
  • Critical Care

Background:

  • Acute polyneuropathy is a potential complication in critically ill patients.
  • Adult Respiratory Distress Syndrome (ARDS) and severe infections are common in ICU settings.
  • Identifying the causes and impact of polyneuropathy in ICU patients is crucial.

Purpose of the Study:

  • To investigate the occurrence and characteristics of acute polyneuropathy in intensive care unit (ICU) patients.
  • To explore potential contributing factors such as severe infections, ARDS, and nutritional status.
  • To highlight the diagnostic challenges and clinical consequences of polyneuropathy in this population.

Main Methods:

  • Retrospective study of five ICU patients with acute polyneuropathy.

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  • Clinical assessment, including neurological examination and electromyography (EMG).
  • Laboratory investigations including cerebrospinal fluid analysis and nutritional markers (proteins, albumin, transferrin).

    • Main Results:

    • All patients had a history of severe infections and ARDS.
    • EMG revealed axonal damage predominantly affecting motor neurons.
    • Nutritional disorders were identified in all patients; cerebrospinal fluid was largely normal.
    • Two patients died, and survivors experienced severe motor deficiencies.

    Conclusions:

    • Polyneuropathy is a significant concern in critically ill patients, often associated with severe infections, ARDS, and nutritional deficits.
    • Diagnostic difficulties and the impact on patient outcomes necessitate close monitoring.
    • While the exact cause remains uncertain, polyneuropathy appears linked to critical illness complications.