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Postgastrectomy aspiration pneumonia

K Marumo1, S Homma, Y Fukuchi

  • 1Department of Internal Medicine, Tokyo Metropolitan Police Hospital, Japan.

Chest
|February 1, 1995
PubMed
Summary
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Patients undergoing total gastrectomy are at risk for recurrent respiratory tract inflammation (r-RTI) due to esophageal reflux and swallowing difficulties. Aspiration of reflux contents is the primary risk factor for these pulmonary complications.

Area of Science:

  • Gastroenterology
  • Pulmonology
  • Surgical Oncology

Background:

  • Total gastrectomy is a major surgery for gastric cancer, potentially leading to long-term complications.
  • Pulmonary complications, including recurrent respiratory tract inflammation (r-RTI), are a significant concern post-gastrectomy.
  • Esophageal reflux and swallowing dysfunction are hypothesized contributors to these pulmonary issues.

Purpose of the Study:

  • To investigate the incidence and risk factors of pulmonary aspiration in patients after total gastrectomy.
  • To identify the relationship between esophageal reflux, swallowing function, and recurrent respiratory tract inflammation (r-RTI) in this patient population.

Main Methods:

  • Retrospective analysis of 186 patients who underwent total gastrectomy.

Related Experiment Videos

  • Categorization of patients based on respiratory tract inflammation: recurrent (r-RTI) and sporadic (s-RTI).
  • Clinical assessment including evaluation of esophageal reflux symptoms and performance of a swallowing provocation test.

    • Main Results:

    • A significant percentage of patients experienced respiratory tract inflammation (8.6% r-RTI, 24.2% s-RTI).
    • Patients with r-RTI frequently presented with esophageal reflux symptoms and atypical clinical courses.
    • Swallowing provocation tests revealed prolonged latency, indicating swallowing disturbances in the r-RTI group.

    Conclusions:

    • Aspiration of esophageal reflux contents is identified as the most critical risk factor for recurrent pulmonary complications after total gastrectomy.
    • Swallowing disturbances play a role in the pathophysiology of r-RTI in post-gastrectomy patients.
    • Early identification and management of esophageal reflux and swallowing dysfunction are crucial for preventing pulmonary complications.