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DOI: 10.1055/a-1625-5805
A two-step strategy for removing over-the-scope clip buried in contact with the heart
An over-the-scope (OTS) clip allows tight endoscopic closure of gastrointestinal perforation [1] [2]. However, OTS clips remain in vivo for long periods. Several devices were reportedly useful for OTS clip removal [3] [4], but these were not commercially available in Japan. A method for removing OTS clips using an existing device was previously reported [5]. We encountered a case wherein the OTS clip was buried and in contact with the heart ([Video 1]).
Video 1 An over-the-scope clip, buried in the esophageal wall, was endoscopically removed using a two-step strategy.
Quality:
A 53-year-old woman underwent robot-assisted laparoscopic total gastrectomy for gastric cancer. Endoscopic closure using an OTS clip was attempted following suture failure of the esophagus on postoperative Day 6. However, the esophageal wall was not successfully closed. She underwent open thoracic mediastinal and pericardial drainage on postoperative Day 13. The esophageal fistula was closed with a covered metal stent on postoperative Day 14. The stent was removed on postoperative Day 34 after her general condition improved.
She then complained of dysphagia and on esophagogastroduodenoscopy was found to have esophageal stenosis due to the buried OTS clip ([Fig. 1]). The oral part of the clip was buried in the esophageal anterior wall ([Fig. 1], arrow), and the edge of the clip was seen to be in contact with the heart on computed tomography ([Fig. 2]).
The esophageal mucosa and submucosal fibrosis around the anal part of the clip were incised using FlushKnife BT-S (1.5 mm, DK2620J; Fujifilm Medical, Tokyo, Japan). The OTS clip was detached except for the oral part ([Fig. 3]). The oral part of the clip detached spontaneously 19 days after the procedure ([Fig. 4], white arrow), but the anal parts became buried again due to mucosal regeneration ([Fig. 4], red arrows). These parts were detached again, and the OTS clip was removed entirely ([Fig. 5]). Our approach can be useful when dedicated devices are not available; however, this approach can be more complicated and riskier.
Endoscopy_UCTN_Code_CPL_1AH_2AJ
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Publication History
Article published online:
15 October 2021
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References
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- 3 Bauder M, Meier B, Caca K. et al. Endoscopic removal of over-the-scope clips: clinical experience with a bipolar cutting device. U Eur Gastroenterol J 2017; 5: 479-484
- 4 Fähndrich M, Sandmann M, Heike M. Removal of over the scope clips (OTSC) with an Nd:YAG Laser. Z Gastroenterol 2011; 49: 579-583
- 5 Sakurai H, Shichijo S, Takeuchi Y. et al. Endoscopic removal of an over-the-scope clip using endoscopic submucosal dissection technique. Endoscopy 2020; DOI: 10.1055/a-1293-6637.