Elsevier

Gastrointestinal Endoscopy

Volume 57, Issue 2, February 2003, Pages 242-246
Gastrointestinal Endoscopy

Newly designed soft prelooped cap for endoscopic mucosal resection of gastric lesions*

https://doi.org/10.1067/mge.2003.80Get rights and content

Background Endoscopic mucosal resection with a capfitted panendoscope is a useful, effective, and safe technique. The effectiveness and safety of a newly designed larger but softer cap was compared in this study with the conventional hard cap. The soft cap has a significantly larger diameter (18 mm) compared with that of the hard cap (16.5 mm).

Methods: Eighty-three patients who underwent mucosal resection of gastric lesions were included in analysis. The diameter, resection specimen depth, and the rate of en bloc resection were compared. The operability of the endoscope with the cap attached, patient tolerance, and safety of the procedure were analyzed.

Results: Mean diameter (±SEM) of specimens resected with the soft cap was larger: 22.1 (±0.7) versus 15.8 (±0.3) mm (p<0.001). The specimen was also thicker: 1.54 (±0.10) versus 1.08 (±0.11) mm (p<0.001). Use of the soft cap led to higher rate of en bloc resection: 66.7% versus 43.2% (p<0.05). The operability of the endoscope with the larger, softer cap attached was similar to that when the hard cap was used. Both caps were equally safe.

Conclusion: The soft cap is safe and useful for mucosal resection of larger gastric lesions. Its use increases the rate of en bloc resection.

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*

Supported in part by a Japanese Foundation for Research and promotion of Endoscopy Grant.

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