Endoscopic slipknot clip suturing method: An ex vivo feasibility study (with video)

Toshihiro Nishizawa, Toshio Uraoka, Seiji Sagara, Hidekazu Suzuki, Teppei Akimoto, Takanori Kanai, Naohisa Yahagi

研究成果: Article査読

19 被引用数 (Scopus)

抄録

Background and Aims We developed a suturing method with slipknot string and clips for the single-channel endoscope. The aim of this study was to analyze the efficacy of the slipknot clip suturing method. Methods Twelve 30-mm mucosal defects were created by endoscopic submucosal dissection in an ex vivo bovine model. A slipknot is a type of knot that can "slip" along the string. The loop can be tightened when tension is applied to the free end of the string. The clip and string can be passed through the instrument channel of the single-channel endoscope. The slipknot loop is anchored on the mucosal defect's proximal margin with the clip. An additional clip anchored at the slipknot loop is placed on a different side of the margin. The slipknot loop is tightened by pulling the string. Additional clips are placed to achieve complete closure. Results All 12 defects were completely closed by the slipknot clip suturing method. The procedure time decreased significantly from the first 6 procedures to the last 6 procedures (865 ± 213 vs 556 ± 103 seconds, P =.009). Conclusions The slipknot clip suturing method makes it easy to close a large mucosal defect completely by using a single-channel endoscope.

本文言語English
ページ(範囲)447-450
ページ数4
ジャーナルGastrointestinal Endoscopy
83
2
DOI
出版ステータスPublished - 2016 2月 1

ASJC Scopus subject areas

  • 放射線学、核医学およびイメージング
  • 消化器病学

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