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1.西安交通大学第一附属医院肝胆外科,陕西 西安 710061
2.西安交通大学第一附属医院精准外科与再生医学国家地方联合工程研究中心,陕西 西安 710061
3.西安医学院临床医学院,陕西 西安 710021
严小鹏,E-mail: yanxiaopeng99@163.com
纸质出版日期:2023-08-25,
收稿日期:2023-02-15,
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田波彦,张苗苗,万嘉辉等.大鼠食管空肠磁吻合实验研究[J].局解手术学杂志,2023,32(08):653-656.
TIAN Bo-yan,ZHANG Miao-miao,WAN Jia-hui,et al.Experimental study on esophagojejunal magnamosis in rats[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2023,32(08):653-656.
田波彦,张苗苗,万嘉辉等.大鼠食管空肠磁吻合实验研究[J].局解手术学杂志,2023,32(08):653-656. DOI: 10.11659/jjssx.02E023076.
TIAN Bo-yan,ZHANG Miao-miao,WAN Jia-hui,et al.Experimental study on esophagojejunal magnamosis in rats[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2023,32(08):653-656. DOI: 10.11659/jjssx.02E023076.
目的
2
以SD大鼠为模型探讨磁吻合技术在食管空肠侧侧吻合重建中的可行性。
方法
2
10只SD大鼠,麻醉后取上腹部正中切口,将近端空肠提至食管下端附近,经口置入1枚圆形磁体至胃内,棉签推送磁体至近端空肠,此时经口置入另1枚圆形磁体至食管下端,空肠内磁体与食管内磁体自动相吸,建立食管空肠侧侧磁吻合模型。记录吻合操作时间,观察大鼠术后进食情况,记录磁体排出时间。1个月后处死动物,获取食管空肠侧侧吻合口标本,肉眼及组织学观察吻合口形成情况。
结果
2
10只SD大鼠均成功完成了食管空肠侧侧吻合,整个手术操作过程顺利,术中未出现消化道损伤、出血等并发症,吻合操作时间(4.65±0.75)min;术后大鼠正常进食,无消化道梗阻表现;术后磁体排出时间为(11.30±1.77) d。所有大鼠术后1个月存活率为100%。术后1个月获取吻合口标本,肉眼观察可见吻合口形成良好,HE和Masson染色可见吻合口黏膜光滑平整,吻合口各层组织连续性良好。
结论
2
利用磁吻合技术可在食管与空肠之间建立良好的侧侧吻合,是对食管空肠磁吻合研究的有益探索。
Objective
2
To investigate the feasibility of magnamosis technology in the reconstruction of side-to-side esophagojejunostomy in SD rats.
Methods
2
After anesthesia, the midline incision of the upper abdomen in 10 SD rats were made,and the proximal jejunum was lifted to the lower end of the esophagus. A circular magnet was inserted into the stomach through the mouth and pushed into the proximal jejunum by a cotton swab;at this time, another circular magnet was inserted into the lower end of the esophagus through the mouth, and the magnet in the jejunum and the magnet in the esophagus were automatically attracted, the model of esophagojejunal side-to-side magnamosis was established. The operation time of anastomosis was recorded, the postoperative feeding status of rats was observed, and the magnet discharge time was recorded. The animals were killed 1 month later and the side-to-side esophagojejunal anastomosis specimens were obtained, and the formation of anastomotic stoma was observed by naked eye and histology.
Results
2
The side-to-side esophagojejunostomy in all 10 SD rats were successfully completed, the whole operation process was smooth, and no complications such as gastrointestinal injury or bleeding during the operation occurred. The operation time of anastomosis was (4.65±0.75) minutes. After the operation, the feeding status of rats were normal without gastrointestinal obstruction. The postoperative magnet discharge time was (11.30±1.77) days. The 1-month survival rate of all rats after operation was 100%. The anastomotic specimens were obtained 1 month after the operation. The anastomotic stoma was well formed by naked eye observation. HE and Masson staining showed that the mucosa of anastomotic stoma was smooth, and the tissue continuity of each layer of the anastomotic stoma was good.
Conclusion
2
Magnamosis technology can be used to establish a good side-to-side anastomosis between the esophagus and jejunum, which is a beneficial exploration in the research of esophagojejunal magnamosis.
磁吻合磁外科磁压榨技术食管空肠吻合大鼠
magnamosismagnetosurgerymagnetic compression techniqueesophagojejunostomyrats
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