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Motorised spiral enteroscopy: first prospective clinical feasibility study.

Torsten Beyna1, Marianna Arvanitakis2, Markus Schneider3

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Motorised PowerSpiral Enteroscopy (PSE) offers a faster, effective approach for small bowel examination. This method achieved a high diagnostic yield and technical success, showing promise for enteroscopy procedures.

Keywords:
diagnostic and therapeutic endoscopysmall bowel diseasesmall bowel enteroscopy

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Area of Science:

  • Gastroenterology
  • Endoscopy
  • Medical Devices

Background:

  • Small bowel endoscopy is crucial for diagnosing gastrointestinal diseases.
  • Current methods can be time-consuming and challenging.
  • Motorised PowerSpiral Enteroscopy (PSE) is an advancement designed to improve small bowel visualization.

Purpose of the Study:

  • To evaluate the feasibility and diagnostic yield of peroral motorised PowerSpiral Enteroscopy (PSE).
  • To assess technical success, depth of insertion, procedure time, therapeutic intervention rates, and adverse events associated with PSE.

Main Methods:

  • A bicentric prospective trial included 132 patients with suspected small bowel disease requiring antegrade enteroscopy.
  • 140 PSE procedures were performed under general anaesthesia over 30 months.
  • Key metrics included diagnostic yield, technical success, maximum insertion depth, insertion time, and adverse events.

Main Results:

  • The overall diagnostic yield for PSE was 74.2%, with 68.2% of procedures involving endotherapy.
  • Technical success was high at 97%, with a median insertion depth of 450 cm and median insertion time of 25 minutes.
  • The adverse event rate was 14.4%, including two major events (perforation, bleeding).

Conclusions:

  • Motorised PowerSpiral Enteroscopy (PSE) is effective for diagnostic and therapeutic antegrade enteroscopy.
  • PSE may offer advantages in ease of use and procedural duration compared to traditional deep enteroscopy.
  • Further comparative studies are needed to fully establish the clinical application and safety of PSE.