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Risk factors for stricture development after caustic ingestion.

Amadeu C R Nunes1, José M Romãozinho, José M Pontes

  • 1Department of Gastroenterology, University Hospitals of Coimbra, Portugal. ascrnunes@hotmail.com

Hepato-Gastroenterology
|October 26, 2002
PubMed
Summary

Caustic ingestion can lead to dangerous upper digestive tract strictures. Key risk factors include severe endoscopic lesions, entire esophageal involvement, hematemesis, and elevated serum lactic dehydrogenase levels.

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Area of Science:

  • Gastroenterology
  • Toxicology
  • Surgical Pathology

Background:

  • Upper digestive tract strictures are a feared complication of caustic ingestion.
  • Identifying risk factors for fibrotic stricture development is crucial for patient management.

Purpose of the Study:

  • To investigate the risk factors associated with the development of fibrotic strictures following caustic ingestion.

Main Methods:

  • Retrospective review of clinical, laboratory, radiological, and endoscopic data from 48 patients with caustic ingestion.
  • Emergency endoscopy with Zargar's classification for grading caustic lesions.
  • Follow-up of patients for a mean duration of 4.1 years post-discharge.

Main Results:

  • 25% of patients developed caustic strictures.

Related Experiment Videos

  • Significant risk factors identified: hematemesis (p=0.002), serum lactic dehydrogenase > 600 U/L (p=0.008), grade III lesions (p=0.0002), and entire esophageal involvement (p=0.0003).
  • 8% of patients required surgery for stricture resolution.

    • Conclusions:

    • Severe endoscopic lesions, complete esophageal involvement, hematemesis, and elevated serum lactic dehydrogenase are significant risk factors for fibrotic stricture development after caustic ingestion.
    • Early identification of these parameters can aid in preventing stricture complications.