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Related Experiment Videos

Stroke-associated pneumonia: microbiological data and outcome.

A Hassan1, B A Khealani, S Shafqat

  • 1Department of Neurology, Shifa International Hospital, Islamabad, Pakistan.

Singapore Medical Journal
|March 7, 2006
PubMed
Summary
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Stroke-associated pneumonia is common, increasing mortality and hospital stay. Pseudomonas aeruginosa and Staphylococcus aureus are the most frequent pathogens. Early detection is key.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Critical Care Medicine

Background:

  • Stroke-associated pneumonia (SAP) is a frequent complication following acute stroke.
  • SAP adversely impacts patient outcomes, yet microbiological data and its effect on prognosis remain limited.
  • Understanding SAP's characteristics is crucial for improving patient care and outcomes.

Purpose of the Study:

  • To investigate the microbiology of stroke-associated pneumonia.
  • To analyze the impact of SAP on patient outcomes, including mortality and hospital length of stay.
  • To identify common pathogens and predictors of prolonged hospitalization in stroke patients with pneumonia.

Main Methods:

  • Retrospective chart review of adult stroke patients admitted between 1998 and 2001.

Related Experiment Videos

  • Identification of stroke-associated pneumonia cases using ICD-9 codes.
  • Collection and analysis of demographic, laboratory, radiological, microbiological data, and patient outcomes.

    • Main Results:

    • 23% of 443 stroke patients developed SAP, with a median hospital stay of 9 days versus 4 days for all stroke patients.
    • Pseudomonas aeruginosa and Staphylococcus aureus were the most common pathogens (12% each), followed by Streptococcus pneumoniae and Klebsiella pneumoniae (4% each).
    • Positive chest radiographs and tracheal aspirates were independent predictors of prolonged hospital stay (p<0.005), despite a low yield (25% and 38% respectively).

    Conclusions:

    • Pneumonia is a significant complication of stroke, leading to increased mortality and prolonged hospital stays.
    • Common causative organisms include Pseudomonas aeruginosa and Staphylococcus aureus.
    • While chest radiographs and tracheal aspirates have a low diagnostic yield, they are significant predictors of prolonged hospitalization in SAP patients.