Abstract

Abstract The usefulness of laparoscopic surgery in esophageal cancer surgery has been reported in the MIRO trial, but there are few reports of laparoscopic surgery in esophageal subtotal resection, which is the standard surgical procedure in Japan. Furthermore, chest procedures are often performed by thoracoscopic surgery, making it difficult to evaluate laparoscopic operations. This time, we retrospectively examined the usefulness of laparoscopic procedure in right thoracotomy surgery. From 2007 to 2019, 135 patients with esophageal cancer who underwent thoracotomy and subtotal esophagectomy and were reconstructed by gastric tube (post-sternal route, cervical anastomosis) were included. In the laparoscopic group (Lap group), gastric mobilization and perigastric lymph node dissection were performed under 5-port. The stomach was pulled out of the abdominal cavity with a small laparotomy of 4-5 cm to prepare a gastric tube. In the case of open surgery (Open group), epigastric midline incision (15-20 cm) was performed up to the navel. There were 67 cases in the Lap group and 68 cases in the Open group. There was no difference in thoracotomy time between the two groups. In the Lap group, the amount of bleeding was significantly less than in the Open group (289g vs 376g), and the operation time was longer. Lung complications of Clavien-Dindo classification Grade 2 or higher were significantly less in the Lap group (10% vs 24%). There was no difference between the two groups in anastomotic insufficiency and recurrent laryngeal nerve palsy. The number of dissected lymph nodes was significantly higher in the Lap group. Laparoscopic abdominal manipulation in open esophageal cancer surgery was useful in reducing pulmonary complications.

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