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Area of Science:

  • Gastroenterology
  • Medical Devices
  • Endoscopy

Background:

  • Adequate polyp detection is critical for colonoscopy effectiveness.
  • Flat polyps, especially those obscured by folds or near flexures, pose a detection challenge.
  • Standard colonoscopy may have limitations in visualizing certain polyp types.

Purpose of the Study:

  • To present a low-cost, adjustable 3D-printed tool for enhancing colonoscope visualization.
  • To evaluate the efficacy of this sideoptic tool in improving polyp detection rates.
  • To assess the feasibility of integrating this tool into routine colonoscopy.

Main Methods:

  • A 3D-printed cap with two microcameras was developed for standard endoscopes.
  • Fourteen endoscopists performed randomized standard and sideoptic-enhanced colonoscopies.
  • Simulated flat lesions in a training model were used to assess detection rates and withdrawal times.

Main Results:

  • Withdrawal times showed no significant difference between standard and enhanced colonoscopy.
  • The median number of detected flat lesions was significantly higher with the sideoptic tool (8 vs. 6.5; P=.001).
  • The tool provided two additional views to aid in lesion identification.

Conclusions:

  • A 3D-printed sideoptic-enhanced cap with microcameras is a feasible add-on for colonoscopy.
  • This tool offers a cost-effective method to potentially improve adenoma detection rates.
  • Enhanced visualization may lead to better outcomes in colonoscopic polyp detection.