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Technical Feasibility and Safety of a Novel Device for Simultaneous Double Guidewire Insertion and Tract Dilation
Takeshi Ogura1,2, Saori Ueno3, Atsushi Okuda3
1Pancresatobiliary Advanced Medical Center, Endoscopy Center, Osaka Medical and Pharmaceutical University, 2-7 Daigakuchou, Takatsukishi, Osaka, Japan. oguratakeshi0411@yahoo.co.jp.
Background And Aim:
Interventional endoscopic ultrasound (I-EUS) has been developed as an alternative technique. To prevent these adverse events, sufficient tract dilation using by one device or double guidewire technique (DGWT) is useful. For application of the DGWT, we developed a novel double lumen dilator (DLD). This study evaluated the technical feasibility of I-EUS using the DLD.
Method:
The primary outcome of this study was the technical success rate of DLD insertion into the target site. The secondary outcomes were adverse events associated with the procedure.
Results:
A total of consecutive 19 patients who underwent I-EUS using DLD as dilation device between November 2024 and December 2024 were enrolled in this study. The technical success rate of DLD insertion was 94.7% (18/19). Mean procedure time was 14.4 min. Among the 18 patients who underwent successful DLD insertion, stent deployment was successfully performed. Stent misdeployment was observed in one patient during EUS-guided hepaticogastrostomy, and the dislocated metal stent could not recovered. However, a plastic stent was successfully deployed by the DGWT.
Conclusions:
The DLD allows DGWT and tract dilation to be performed as a single step, and therefore, might play a role in the safety and efficacy of the I-EUS procedure.
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