Gastrointestinal Residue Removal Using a Balloon Overtube under Ultrathin Endoscopic Navigation: Ex Vivo and In Vivo Experimental Studies
Pooled gastric residues involving blood clots and food interrupt appropriate endoscopic intervention, leading to poor outcomes in endoscopic hemostasis and lifesaving. However, procedures and devices that enable the effective removal of gastrointestinal residues remain unsatisfactory. This study aim...
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Veröffentlicht in: | Journal of clinical medicine 2021-08, Vol.10 (17), p.3796, Article 3796 |
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creator | Kozuka, Kazuhiro Kobara, Hideki Nishiyama, Noriko Fujihara, Shintaro Tada, Naoya Matsui, Takanori Takata, Tadayuki Chiyo, Taiga Kobayashi, Nobuya Shi, Tingting Fujita, Koji Tani, Joji Yachida, Tatsuo Kondo, Akihiro Kumamoto, Kensuke Okano, Keiichi Nishiyama, Akira Deguchi, Kazushi Masaki, Tsutomu |
description | Pooled gastric residues involving blood clots and food interrupt appropriate endoscopic intervention, leading to poor outcomes in endoscopic hemostasis and lifesaving. However, procedures and devices that enable the effective removal of gastrointestinal residues remain unsatisfactory. This study aimed to evaluate the efficacy and safety of our developed suction method in ex vivo and in vivo studies. We created a hand-made device with a large suction diameter, consisting of a balloon overtube and an ultrathin endoscope for navigation. In the ex vivo study, we compared the success rate and the suctioning time for four types of simulated residue between a standard endoscope and our device. Our device had s significantly higher suction ability and a shorter procedure time than the standard endoscope. The subsequent in vivo animal study involved five beagle dogs that were administered with food jelly to mimic gastric residue. Suction was performed twice for five dogs (ten attempts). The outcome measure was the successful procedure rate; secondary outcomes were procedure-associated complications and procedure time. The procedure was successful in all attempts, without any complications. The mean procedure time was 5 min. This novel method enabled the efficient and safe removal of gastric residue, and our findings will likely lead to the development of the instrument. |
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However, procedures and devices that enable the effective removal of gastrointestinal residues remain unsatisfactory. This study aimed to evaluate the efficacy and safety of our developed suction method in ex vivo and in vivo studies. We created a hand-made device with a large suction diameter, consisting of a balloon overtube and an ultrathin endoscope for navigation. In the ex vivo study, we compared the success rate and the suctioning time for four types of simulated residue between a standard endoscope and our device. Our device had s significantly higher suction ability and a shorter procedure time than the standard endoscope. The subsequent in vivo animal study involved five beagle dogs that were administered with food jelly to mimic gastric residue. Suction was performed twice for five dogs (ten attempts). The outcome measure was the successful procedure rate; secondary outcomes were procedure-associated complications and procedure time. The procedure was successful in all attempts, without any complications. The mean procedure time was 5 min. This novel method enabled the efficient and safe removal of gastric residue, and our findings will likely lead to the development of the instrument.</description><identifier>ISSN: 2077-0383</identifier><identifier>EISSN: 2077-0383</identifier><identifier>DOI: 10.3390/jcm10173796</identifier><identifier>PMID: 34501244</identifier><language>eng</language><publisher>BASEL: Mdpi</publisher><subject>Biopsy ; Blood clots ; Clinical medicine ; Endoscopy ; Experiments ; Food ; General & Internal Medicine ; Life Sciences & Biomedicine ; Medicine, General & Internal ; Science & Technology ; Standard deviation ; Ulcers</subject><ispartof>Journal of clinical medicine, 2021-08, Vol.10 (17), p.3796, Article 3796</ispartof><rights>2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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However, procedures and devices that enable the effective removal of gastrointestinal residues remain unsatisfactory. This study aimed to evaluate the efficacy and safety of our developed suction method in ex vivo and in vivo studies. We created a hand-made device with a large suction diameter, consisting of a balloon overtube and an ultrathin endoscope for navigation. In the ex vivo study, we compared the success rate and the suctioning time for four types of simulated residue between a standard endoscope and our device. Our device had s significantly higher suction ability and a shorter procedure time than the standard endoscope. The subsequent in vivo animal study involved five beagle dogs that were administered with food jelly to mimic gastric residue. Suction was performed twice for five dogs (ten attempts). The outcome measure was the successful procedure rate; secondary outcomes were procedure-associated complications and procedure time. The procedure was successful in all attempts, without any complications. The mean procedure time was 5 min. This novel method enabled the efficient and safe removal of gastric residue, and our findings will likely lead to the development of the instrument.</description><subject>Biopsy</subject><subject>Blood clots</subject><subject>Clinical medicine</subject><subject>Endoscopy</subject><subject>Experiments</subject><subject>Food</subject><subject>General & Internal Medicine</subject><subject>Life Sciences & Biomedicine</subject><subject>Medicine, General & Internal</subject><subject>Science & Technology</subject><subject>Standard deviation</subject><subject>Ulcers</subject><issn>2077-0383</issn><issn>2077-0383</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>HGBXW</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNkd9rFDEQxxdRbKl98h8I-CLI6ebHbRIfBD3OWigW1PN1mUtmrzl2kzPJrvVP8L82dUutPhkIMyGfmfky36p6SuuXnOv61d4MtKaSS908qI5ZLeWi5oo_vJcfVacp7etylBKMysfVERfLmjIhjqufZ5ByDM5nTNl56MknTM6OWOIQpvLeJOd3BMg76PsQPLmcMOZxi2T0FiPZ9DlCvnKerL0NyYSDM-QjTG4H2QX_mqyvyVc3BQLeknM_5-vrA0Y3oM9lwOc8WofpSfWogz7h6W08qTbv119WHxYXl2fnq7cXCyOYygvRKCW1sUAFY4yDplJD03VUoqIdyCXVjOPWsE5Y2mlYUoGdlVpL1YBRlp9Ub-a-h3E7oDVFRIS-PRQ9EH-0AVz79493V-0uTK0SnFHNS4Pntw1i-DaWtbWDSwb7HjyGMbVsKYsGypqmoM_-QfdhjGXLM8VpubJQL2bKxJBSxO5ODK3bG5fbey4XWs30d9yGLhmH3uBdRXG50YLrRtwYTlcu_7ZhFUaf_wz6n1L-CzcHu4s</recordid><startdate>20210825</startdate><enddate>20210825</enddate><creator>Kozuka, Kazuhiro</creator><creator>Kobara, Hideki</creator><creator>Nishiyama, Noriko</creator><creator>Fujihara, Shintaro</creator><creator>Tada, Naoya</creator><creator>Matsui, Takanori</creator><creator>Takata, Tadayuki</creator><creator>Chiyo, Taiga</creator><creator>Kobayashi, Nobuya</creator><creator>Shi, Tingting</creator><creator>Fujita, Koji</creator><creator>Tani, Joji</creator><creator>Yachida, Tatsuo</creator><creator>Kondo, Akihiro</creator><creator>Kumamoto, Kensuke</creator><creator>Okano, Keiichi</creator><creator>Nishiyama, Akira</creator><creator>Deguchi, Kazushi</creator><creator>Masaki, Tsutomu</creator><general>Mdpi</general><general>MDPI AG</general><general>MDPI</general><scope>BLEPL</scope><scope>DTL</scope><scope>HGBXW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>M0S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0003-1763-7086</orcidid><orcidid>https://orcid.org/0000-0002-8508-827X</orcidid><orcidid>https://orcid.org/0000-0001-9950-3406</orcidid><orcidid>https://orcid.org/0000-0001-8801-2505</orcidid><orcidid>https://orcid.org/0000-0002-9852-6961</orcidid><orcidid>https://orcid.org/0000-0001-9390-7565</orcidid></search><sort><creationdate>20210825</creationdate><title>Gastrointestinal Residue Removal Using a Balloon Overtube under Ultrathin Endoscopic Navigation: Ex Vivo and In Vivo Experimental Studies</title><author>Kozuka, Kazuhiro ; 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subjects | Biopsy Blood clots Clinical medicine Endoscopy Experiments Food General & Internal Medicine Life Sciences & Biomedicine Medicine, General & Internal Science & Technology Standard deviation Ulcers |
title | Gastrointestinal Residue Removal Using a Balloon Overtube under Ultrathin Endoscopic Navigation: Ex Vivo and In Vivo Experimental Studies |
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