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Related Concept Videos

Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers, unexplained...

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Using Surgical Navigation to Capture Objective Metrics During Endoscopic Sinus Surgery: A Proof-of-Concept Study.

Forrest W Fearington1, Christopher Jabbour2,3, Carlos D Pinheiro Neto2,3

  • 1Mayo Clinic Alix School of Medicine, Rochester, MN, USA.

The Annals of Otology, Rhinology, and Laryngology
|October 6, 2025
PubMed
Summary
This summary is machine-generated.

A 3D surgical navigation system objectively captured data during endoscopic sinus surgery (ESS). This technology shows promise for assessing resident surgical skills, differentiating novice from experienced trainees.

Keywords:
endoscopic sinus surgeryimage guidance navigationobjective skills assessmentotolaryngology trainingresidencyresident trainingrhinologyrhinology trainingskill evaluationsurgical navigation

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Area of Science:

  • Otolaryngology
  • Surgical Education
  • Medical Technology

Background:

  • Traditional evaluation of otolaryngology resident technical performance relies on subjective feedback.
  • Existing surgical skill assessment tools are inherently subjective.
  • There is a need for objective methods to evaluate surgical proficiency.

Purpose of the Study:

  • To assess the feasibility of using a 3D surgical navigation system to capture objective data during endoscopic sinus surgery (ESS).
  • To determine if objective surgical data can differentiate between novice and experienced trainees.
  • To explore the potential of navigation systems as objective assessment tools in ESS.

Main Methods:

  • Otolaryngology residents performed supervised ESS while instrument motion was recorded using a TruDi Navigation System.
  • Surgical landmarks were defined using preoperative CT scans and sensory beacons.
  • Collected metrics included time to reach beacons, number of alerts, and instrument speed.

Main Results:

  • The navigation system successfully captured 'time to reach sinus' data in 64% of cases and velocity/alert data in 93% of cases.
  • Significant differences were observed between junior (PGY 3) and senior (PGY 4/5) residents in sphenoid sinus alerts and maxillary sinus access.
  • Objective data collection during live surgery was feasible.

Conclusions:

  • This study demonstrates the feasibility of collecting objective, navigation-based intraoperative metrics during ESS.
  • This represents a significant step towards developing comprehensive objective assessment tools for resident surgical skills.
  • Further research is encouraged to explore this technology's application in resident skill assessment and correlation with faculty evaluations.