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首例使用新型内镜设备进行的全内镜下结肠端端吻合术:猪模型可行性研究

First Fully Endoscopic End-to-End Colonic Anastomoses With a Novel Endoscopic Device: A Feasibility Study in a Porcine Model.

作者信息

Ge Nan, Hu Yue, Zhang Kai, Liu Nan, Jiang Jitong, Wei Jianyu, Sun Siyu

机构信息

Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China.

Micro-Tech (Nanjing) Co. Ltd, Nanjing, China.

出版信息

Dis Colon Rectum. 2024 Dec 1;67(12):1584-1591. doi: 10.1097/DCR.0000000000003486. Epub 2024 Sep 10.

DOI:10.1097/DCR.0000000000003486
PMID:39254197
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11575899/
Abstract

BACKGROUND

Continuous advancements and breakthroughs in flexible GI endoscopy have led to alternatives to colonic anastomosis.

OBJECTIVE

This study aimed to evaluate the feasibility and safety of end-to-end colonic anastomosis using a single flexible endoscope with the novel through-the-scope "bow-tie" device and conventional metal clips in a porcine model.

DESIGN

Animal study.

SETTINGS

Animal laboratory at China Medical University.

PATIENTS

Eight healthy pigs were included.

INTERVENTIONS

Eight animals underwent total colonic severance and anastomoses with through-the-scope "bow-tie" devices and metal clips.

MAIN OUTCOME MEASURES

The primary outcomes were the success rate of the anastomosis and survival rate during 3-month follow-up. Furthermore, the secondary outcomes were anastomotic site healing, reintervention rate, and rate of anastomotic complications such as bleeding, leakage, stenosis, and obstruction. Six pigs were euthanized, and necropsies were performed 3 months postoperatively, whereas 2 pigs were fed for long-term observation. The anastomotic stoma was histologically analyzed using hematoxylin-eosin and Masson's trichrome staining.

RESULTS

End-to-end colonic anastomoses were successfully performed using through-the-scope "bow-tie" devices and metal clips, and satisfactory healing was achieved in all pigs. The success rate of anastomosis was 100% (8/8). All animals survived postoperatively without anastomotic complications, including bleeding, leakage, or obstruction; however, 2 cases of stenosis occurred (25%) and 1 case (12.5%) required reintervention.

LIMITATIONS

Large-scale studies should be conducted to verify the feasibility and safety of the through-the-scope "bow-tie" device in other parts of the intestine.

CONCLUSIONS

Flexible endoscopy with the through-the-scope "bow-tie" device is feasible and safe for intraluminal colonic anastomosis. This study may expand the indications for full-thickness endoscopic resection in the future. See Video Abstract .

LA FALTA DE ACCESO REGULAR A UN MDICO DE ATENCIN PRIMARIA SE ASOCIA CON UN AUMENTO DE VISITAS AL DEPARTAMENTO DE EMERGENCIA RELACIONADAS CON LAS NECESIDADES DE SUPERVIVENCIA ENTRE LOS SOBREVIVIENTES DE CNCER DE RECTO

ANTECEDENTES:Con los avances en el tratamiento del cáncer de recto y el mejor pronóstico, hay un número creciente de sobrevivientes de cáncer de recto con necesidades únicas.OBJETIVOS:Presumimos que una proporción significativa de nuestros sobrevivientes de cáncer de recto carecen de acceso regular a un médico de atención primaria. El objetivo de nuestro estudio fue examinar la asociación entre el acceso a un médico de atención primaria y las visitas al departamento de emergencias relacionadas con la supervivencia.DISEÑO:Estudio de cohorte retrospectivo de supervivientes de cáncer de recto que finalizaron todo el tratamiento.PACIENTES:Pacientes con cáncer de recto que se sometieron a proctectomía y completaron el tratamiento entre 2005 y 2021.ESCENARIO:Centro único de atención terciaria en Quebec, Canadá.MEDIDA DE RESULTADO PRINCIPAL:Visitas al departamento de emergencias relacionadas con la supervivencia.RESULTADOS:En total, se incluyeron 432 sobrevivientes de cáncer de recto. La mediana de edad fue 72 (rango intercuartil 63-82) años, 190 (44,0%) eran mujeres y la mediana del índice de comorbilidad de Charlson fue 5 (rango intercuartil, 4-6). Había 153 (35,4%) personas no registradas con un médico de atención primaria. Sesenta personas visitaron el departamento de emergencias debido a preocupaciones relacionadas con la supervivencia. Utilizando el análisis de riesgos proporcionales de Cox, la falta de registro con un médico de atención primaria se asoció con una mayor probabilidad de tener visitas al departamento de emergencias relacionadas con la supervivencia.LIMITACIONES:Este estudio estuvo limitado por el diseño observacional.CONCLUSIÓN:La falta de acceso regular a un médico de atención primaria puede contribuir al aumento de las visitas al departamento de emergencia entre los sobrevivientes de cáncer de recto. Se necesitan esfuerzos para mejorar el acceso al médico de atención primaria y coordinar la atención interdisciplinaria para mejorar la atención a los sobrevivientes. (Traducción-Dr Osvaldo Gauto ).

摘要

背景

柔性胃肠内镜技术的不断进步与突破催生了结肠吻合术的替代方法。

目的

本研究旨在评估在猪模型中使用带有新型经内镜“领结”装置的单根柔性内镜和传统金属夹进行端端结肠吻合术的可行性与安全性。

设计

动物研究。

地点

中国医科大学动物实验室。

对象

纳入8只健康猪。

干预措施

8只动物接受全结肠离断,并使用经内镜“领结”装置和金属夹进行吻合。

主要观察指标

主要观察指标为吻合成功率和3个月随访期内的生存率。此外,次要观察指标为吻合部位愈合情况、再次干预率以及吻合口并发症(如出血、渗漏、狭窄和梗阻)的发生率。6只猪实施安乐死,并在术后3个月进行尸检,另外2只猪进行长期饲养观察。使用苏木精-伊红染色和马松三色染色对吻合口造口进行组织学分析。

结果

使用经内镜“领结”装置和金属夹成功完成了端端结肠吻合,所有猪均实现了满意的愈合。吻合成功率为100%(8/8)。所有动物术后均存活,无吻合口并发症,包括出血、渗漏或梗阻;然而,发生了2例狭窄(25%),1例(12.5%)需要再次干预。

局限性

应开展大规模研究以验证经内镜“领结”装置在肠道其他部位的可行性与安全性。

结论

使用经内镜“领结”装置进行柔性内镜检查用于腔内结肠吻合术是可行且安全的。本研究可能会在未来扩大全层内镜切除的适应证。见视频摘要。

直肠癌幸存者中缺乏定期看初级保健医生的机会与因生存需求而前往急诊科就诊次数增加有关

背景:随着直肠癌治疗的进展和更好的预后,直肠癌幸存者的独特需求数量不断增加。目的:我们推测相当比例的直肠癌幸存者无法定期看初级保健医生。我们研究的目的是检查看初级保健医生的机会与因生存问题前往急诊科就诊之间的关联。设计:对完成所有治疗的直肠癌幸存者进行回顾性队列研究。对象:2005年至2021年间接受直肠切除术并完成治疗的直肠癌患者。地点:加拿大魁北克的单一三级护理中心。主要观察指标:因生存问题前往急诊科就诊的次数。结果:总共纳入432名直肠癌幸存者。年龄中位数为72(四分位间距63 - 82)岁,190名(44.0%)为女性,Charlson合并症指数中位数为5(四分位间距,4 - 6)。有153名(35.4%)未在初级保健医生处登记。60人因生存相关担忧前往急诊科就诊。使用Cox比例风险分析,未在初级保健医生处登记与因生存问题前往急诊科就诊的可能性增加相关。局限性:本研究受观察性设计限制。结论:缺乏定期看初级保健医生的机会可能导致直肠癌幸存者前往急诊科就诊次数增加。需要努力改善看初级保健医生的机会并协调跨学科护理,以改善对幸存者的护理。(翻译 - 奥斯瓦尔多·高托医生)

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b486/11575899/ff49eb289b10/dcr-67-1584-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b486/11575899/28f55623c56d/dcr-67-1584-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b486/11575899/71cc33141f0f/dcr-67-1584-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b486/11575899/715803d4b65f/dcr-67-1584-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b486/11575899/ff49eb289b10/dcr-67-1584-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b486/11575899/28f55623c56d/dcr-67-1584-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b486/11575899/71cc33141f0f/dcr-67-1584-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b486/11575899/715803d4b65f/dcr-67-1584-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b486/11575899/ff49eb289b10/dcr-67-1584-g004.jpg

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