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Related Experiment Videos

Clinical evaluation of push-type enteroscopy

M Pennazio1, A Arrigoni, M Risio

  • 1Gastroenterology and Gastrointestinal Endoscopy Service, San Giovanni Hospital, Turin, Italy.

Endoscopy
|February 1, 1995
PubMed
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Push-type enteroscopes offer a safe and effective method for examining the small bowel, aiding in the diagnosis of conditions like obscure gastrointestinal bleeding and polyps. These instruments provide valuable insights into small bowel pathology.

Area of Science:

  • Gastroenterology
  • Endoscopy
  • Diagnostic Imaging

Background:

  • Small bowel endoscopy is crucial for diagnosing obscure gastrointestinal bleeding, diarrhea, malabsorption, and neoplasia.
  • Limitations of traditional sonde-type enteroscopes necessitate evaluation of newer methods.
  • Push-type enteroscopes with advanced features offer potential improvements in diagnostic yield.

Purpose of the Study:

  • To evaluate the diagnostic yield and safety of two push-type enteroscopes.
  • To assess the efficacy of these instruments in various small bowel conditions.

Main Methods:

  • Seventy-two patients underwent enteroscopy using either a fiberscope or a video enteroscope.
  • Fluoroscopy guided insertion depth, ranging from 30-120 cm beyond the ligament of Treitz.

Related Experiment Videos

  • Both instruments featured tip deflection and a biopsy channel.

    • Main Results:

    • Identified angiodysplasia in 8/20 patients with obscure bleeding; performed electrocoagulation in one.
    • Diagnosed jejunal polyps as a cause of bleeding in one patient.
    • Ruled out neoplasia/lymphoma in 10/12 patients; normal jejunal appearance in 2 lymphoma patients.
    • Removed duodenal/jejunal polyps in 7/9 patients with familial polyposis.
    • Found endoscopic/histological alterations in 9/24 patients with diarrhea/malabsorption; jejunal histology provided diagnosis in 5 patients with normal endoscopic appearance.
    • Both instruments demonstrated similar tolerance and diagnostic efficacy.
    • Only 18% experienced mild, transient pain; no complications reported.

    Conclusions:

    • Push-type enteroscopes are safe and effective for clinical use, despite jejunal restriction.
    • These instruments enable in-depth study of small bowel anatomy and pathology.
    • The diagnostic efficacy supports their use in managing complex gastrointestinal conditions.