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目的:探讨Overlap引导管（OGT）在腹腔镜全胃切除Overlap食管空肠吻合术中的应用价值。方法:采用回顾性描述性研究方法。收集2021年6—7月南方医科大学南方医院收治的5例胃癌患者的临床资料；男3例，女2例；中位年龄为54岁，年龄范围为48~61岁。患者均行腹腔镜全胃切除联合OGT引导Overlap食管空肠吻合术。观察指标：（1）手术情况。（2）术后情况。（3）随访情况。采用门诊和电话方式进行随访，了解患者术后吻合口狭窄及食管反流情况。随访时间截至2021年9月。正态分布的计量资料以n x±s表示，偏态分布的计量资料以n M（IQR）或n M（范围）表示。计数资料以绝对数表示。n 结果:（1）手术情况：5例患者均顺利完成腹腔镜全胃切除联合OGT引导Overlap食管空肠吻合术，均行Dn 2淋巴结清扫，均获得Rn 0切除，无联合脏器切除、无中转开腹和（或）中转联合开胸、无中转其他食管空肠吻合方式。5例患者肿瘤长径为3.0（2.8）cm，切口长度为5.0（2.0）cm，清扫淋巴结数目为47.0（21.0）枚，食管空肠吻合时间为21.0（5.0）min，消化道重建时间为62.0（23.0）min，手术时间为295.0（75.0）min，术中出血量为50.0（60.0）mL。5例患者中，4例钉砧置入食管腔一次性成功，1例经2次钉砧置入食管腔操作完成食管空肠吻合。（2）术后情况：5例患者术后首次下床活动时间为2.0（1.0）d，首次肛门排气时间为3.0（2.0）d，首次进食全流质食物时间为4.0（3.0）d，首次进食半流质食物时间为6.0（3.0）d，拔除腹腔引流管时间为7.0（4.0）d，住院时间为9.0（6.0）d。5例患者术后组织病理学检查结果均为胃腺癌，分期为pT2~4aN0M0期；食管切缘均为阴性，食管近切缘距离为5.0（4.0）cm。5例患者术后均无吻合口漏、吻合口出血、吻合口狭窄，2例发生轻度（Clavien-Dindo Ⅱ级）肺炎，经抗感染、促进排痰等保守治疗后均痊愈。无非计划二次手术、无围手术期死亡病例。（3）随访情况：5例患者均获得随访，随访时间为术后3个月。随访期间，5例患者均未发生吻合口狭窄、食管反流。n 结论:OGT应用于腹腔镜全胃切除Overlap食管空肠吻合术中安全、可行，近期疗效较好。“,”Objective:To investigate the application value of Overlap guiding tube (OGT) in Overlap esophagojejunostomy of laparoscopic total gastrectomy.Methods:The retrospective and descriptive study was conducted. The clinicopathological data of 5 patients with gastric cancer who were admitted to Nanfang Hospital of Southern Medical University from June to July in 2021 were collected. There were 3 males and 2 females, aged from 48 to 61 years, with a median age of 54 years. Patients underwent laparoscopic total gastrectomy combined with OGT-assisted Overlap esophagojejunostomy. Observation indicators: (1) surgical situations; (2) postoperative situations; (3) follow-up. Follow-up was conducted by outpatient examination and telephone interview to detect postoperative anastomotic stenosis and esophageal reflux up to September 2021. Measurement data with normal distribution were represented as n Mean±n SD, and measurement data with skewed distribution were represented as n M(IQR) or n M(range). Count data were represented as absolute numbers.n Results:(1) Surgical situations: 5 patients underwent laparoscopic total gastrectomy combined with OGT-assisted Overlap esophagojejunostomy and Dn 2 lymph node dissection success-fully, achieving Rn 0 resection. There was no combined organ resection, intraoperative conversion to laparotomy or combined thoracotomy. There was no intraoperative conversion to other esophagoje-junostomy method either. The tumor diameter, length of surgical incision, the number of lymph nodes dissected, time of esophagojejunal anastomosis, time of digestive reconstruction, operation time, volume of intraoperative blood loss of 5 patients were 3.0(2.8)cm, 5.0(2.0)cm, 47.0(21.0), 21.0(5.0)minutes, 62.0(23.0)minutes, 295.0(75.0)minutes, and 50.0(60.0)mL, respectively. The anvil fork of linear stapler was successfully inserted into esophageal lumen by once operation in 4 cases of 5 patients and by twice operation in 1 case to complete the esophagojejunostomy. (2) Post-operative situations: the time to first out-of-bed activities, time to postoperative first anal flatus, time to postoperative initial liquid diet intake, time to postoperative initial semi-liquid diet intake, time to abdominal drainage tube removal, duration of postoperative hospital stay of 5 patients were 2.0(1.0)days, 3.0(2.0)days, 4.0(3.0)days, 6.0(3.0)days, 7.0(4.0)days, and 9.0(6.0)days, respectively. Results of postoperative pathological examination of 5 patients showed gastric adenocar-cinoma in all the 5 patients, with the TNM staging as stage pT2-4aN0M0. The esophageal surgical margin was negative in all cases, and the length of proximal margin from esophagus was 5.0(4.0)cm. None of the 5 patients developed anastomotic leakage, anastomotic bleeding or anastomotic stenosis. Two cases with mild pneumonia (Clavien-Dindo grade Ⅱ) were cured by conservative treatment such as anti-infection and expectoration promotion. There was no unplanned secondary surgery or perioperative death occurred to the 5 patients. (3) Follow-up: 5 patients were followed up for 3 months. None of the 5 patients developed anastomotic stenosis or esophageal reflux during the follow-up.n Conclusion:OGT-assisted Overlap esophagojejunostomy of laparoscopic total gas-trectomy is safe and feasible, with good short-term effects.