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Primary repair of esophageal atresia Gross type C via thoracoscopic magnetic compression anastomosis:Is it the best option?

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World Journal of Gastrointestinal Surgery 2024年第5期16卷 1474-1481页

作者： Sonia Pérez-Bertólez Jorge Godoy-Lenz Department of Pediatric Surgery Sant Joan de Deu HospitalUniversity of BarcelonaBarcelona 08950Spain Department of Pediatric Surgery Clínica Alemana of SantiagoSantiago 7650568Chile

Magnetic compression anastomosis is a promising treatment option for patients with complex esophageal atresia;but,at the present time,should not be the first therapeutic option in those cases where the surgeon can per... 详细信息

关键词： Esophageal atresia Tracheoesophageal fistula Thoracoscopy magnamosis Magnetic anastomosis

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Novel deformable self-assembled magnetic anastomosis ring for endoscopic treatment of colonic stenosis via natural orifice

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世界胃肠病学杂志:英文版 2023年第33期29卷 5005-5013页

作者： Miao-Miao Zhang Guang-Bin Zhao Han-Zhi Zhang Shu-Qin Xu Ai-Hua Shi Jian-Qi Mao Jing-Ci Gai Yu-Han Zhang Jia Ma Yun Li Yi Lyu Xiao-Peng Yan Department of Hepatobiliary Surgery The First Affiliated Hospital of Xi'an Jiaotong UniversityXi'an 710061Shaanxi ProvinceChina National Local Joint Engineering Research Center for Precision Surgery&Regenerative Medicine The First Affiliated Hospital of Xi'an Jiaotong UniversityXi'an 710061Shaanxi ProvinceChina State Key Laboratory for Manufacturing System Engineering School of Mechanical EngineeringXi'an Jiaotong UniversityXi'an 710054Shaanxi ProvinceChina College Xi'an Jiaotong UniversityXi'an 710061Shaanxi ProvinceChina Zonglian College Xi'an Jiaotong UniversityXi'an 710061Shaanxi ProvinceChina Department of Surgical Oncology Shaanxi Provincial People's HospitalXi'an 710068Shaanxi ProvinceChina

BACKGROUND Although endoscope-assisted magnetic compression anastomosis has already been reported for colonic anastomosis,there is no report on a single-approach operation using the natural orifice.AIM To design a deformable self-assembled magnetic anastomosis ring(DSAMAR)for colonic anastomosis for use in single-approach operation and evaluate its feasibility and safety through animal experiments.METHODS The animal model for colonic stenosis was prepared by partial colonic ligation in eight beagles.The magnetic compression anastomosis of their colonic stricture was performed by endoscopically assisted transanal implantation of the DSAMAR.The anastomotic specimen,obtained 2 wk after the operation,was observed by both the naked eye and a light microscope.RESULTS The DSAMAR was successfully inserted into the proximal end of colon stenosis through the anus.The DSAMAR of seven dogs was successfully transformed into rings,while that of the remaining dog was removed after the first deformation failed.The rings were successfully retransformed after optimization.All animals underwent colonic anastomosis using the DSAMAR.No device-related or procedure-related adverse events were observed.The colostomy specimens of the experimental dogs were obtained 2 wk after the operation.Both gross and histological observations showed good anastomotic healing.CONCLUSION The DSAMAR is a safe and feasible option for the treatment of colon stenosis.Its specific deformation and selfassembly capability maximize the applicability of the minimally invasive treatment.

关键词： Magnetic surgery magnamosis Colonic stenosis Natural orifice Endoscopy

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Magnetic compression anastomosis for sigmoid stenosis treatment:A case report

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World Journal of Gastrointestinal Endoscopy 2023年第12期15卷 745-750页

作者： Miao-Miao Zhang Yi Gao Xiao-Yang Ren Huan-Chen Sha Yi Lyu Fang-Fang Dong Xiao-Peng Yan Department of Hepatobiliary Surgery The First Affiliated Hospital of Xi'an Jiaotong UniversityXi'an 710061Shaanxi ProvinceChina National Local Joint Engineering Research Center for Precision Surgery&Regenerative Medicine The First Affiliated Hospital of Xi'an Jiaotong UniversityXi'an 710061Shaanxi ProvinceChina Department of Gastrointestinal Surgery Affiliated Hospital of Guilin Medical UniversityGuilin 541001Guangxi Zhuang Autonomous RegionChina Department of Gastroenterology The First Affiliated Hospital of Xi'an Jiaotong UniversityXi'an 710061Shaanxi ProvinceChina

BACKGROUND Endoscopic balloon dilation is a minimally invasive treatment for colorectal stenosis.Magnetic compression anastomosis can be applied against gastrointestinal anastomosis.When combined with endoscopy,it offers a unique approach to the recanalization of colorectal stenosis.CASE SUMMARY We have reported here the case of a 53-year-old female patient who underwent a descending colostomy due to sigmoid obstruction.Postoperative fistula restoration was not possible in her due to sigmoid stenosis.Accordingly,endoscopicassisted magnetic compression anastomosis for sigmoid stenosis was performed,and the sigmoid stenosis was recanalized 15 d after the surgery.Subsequently,a reduction colostomy was successfully performed after 10 d.CONCLUSION This case report proposes a novel minimally invasive treatment approach for colorectal stenosis.

关键词： Colorectal stenosis Endoscopy Magnetic compression anastomosis magnamosis Magnetosurgery Case report

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