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Ute Günther¹, Severin Daum, Martin Zeitz

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Summary

Reading capsule endoscopy (CE) videos in quadview mode significantly reduces evaluation time while maintaining high diagnostic yield. This optimized approach enhances efficiency for small intestine examinations.

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Area of Science:

Gastroenterology
Medical Imaging
Endoscopy

Background:

Capsule endoscopy (CE) is crucial for small intestine evaluation.
Current CE video analysis is time-consuming.
Optimizing CE reading protocols is needed to improve efficiency.

Purpose of the Study:

To compare evaluation times and detection rates between single-view and quadview CE reading modes.
To determine the optimal setting for efficient and accurate CE video interpretation.

Main Methods:

Seventy CE videos were reviewed by two investigators.
Videos were analyzed using single-view at 10 frames per second (fps) and quadview at 20 fps.
Indications included obscure bleeding, Crohn's disease, and celiac disease.

Main Results:

Quadview mode at 20 fps reduced mean evaluation time from 22 min to 11.9 min.
Detection rates for lesions like angiodysplasias and ulcers were only slightly lower in quadview mode.
Diagnostic yield for Crohn's and celiac disease was comparable, though one lymphoma-suspect lesion was missed in quadview mode.

Conclusions:

Quadview mode at 20 fps offers a significant reduction in CE video evaluation time.
This faster reading speed can be achieved without substantially compromising diagnostic accuracy.
Optimized quadview settings can improve the efficiency of small intestine capsule endoscopy analysis.