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Anti-reflux surgery partially prevents pulmonary aspiration of gastric refluxate, with 61.5% of patients showing improvement. Severe esophageal dysmotility predicts poorer outcomes, highlighting a key factor in surgical effectiveness.

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Area of Science:

  • Gastroenterology
  • Pulmonology
  • Surgical Research

Background:

  • Pulmonary aspiration of gastric refluxate is a recognized indication for anti-reflux surgery.
  • The efficacy of anti-reflux surgery in preventing post-operative pulmonary aspiration has not been rigorously evaluated.

Purpose of the Study:

  • To assess the effectiveness of anti-reflux surgery in preventing pulmonary aspiration of gastric refluxate.
  • To analyze objective data on aspiration resolution, contamination, complications, and patient quality of life post-surgery.

Main Methods:

  • Retrospective analysis of a prospectively populated database.
  • Inclusion of patients who underwent anti-reflux surgery and had post-operative scintigraphy.
  • Analysis of aspiration resolution, upper aero-digestive tract contamination, surgical complications, esophageal dysmotility, and quality of life.

Main Results:

  • Pulmonary aspiration was prevented in 61.5% of the 39 patients studied.
  • Significant reduction in isotope contamination of the esophagus and pharynx was observed post-operatively.
  • Severe esophageal dysmotility was strongly associated with continued aspiration (OR 15.3, p=0.02).
  • 77% of patients reported satisfaction with the surgery, though quality of life scores showed no significant long-term improvement.

Conclusions:

  • Anti-reflux surgery demonstrates partial effectiveness in resolving pulmonary aspiration of gastric refluxate in the short term.
  • Severe esophageal dysmotility is a significant predictor of suboptimal aspiration control following anti-reflux surgery.