Abstract

Despite improvements in patient selection, operative technique, and postoperative care, oesophagectomy remains one of the most morbid oncologic resection types. Introduction of minimally invasive practice has been shown to have a greater marginal benefit for oesophagectomy than most of the other types of procedures. To evaluate early surgical outcomes through the adoption of totally minimally invasive oesophagectomy and accumulating experience in perioperative management. All patients with mid and distal oesophageal carcinoma who underwent oesophagectomy and gastric conduit construction between June 2004 and December 2021 were recorded prospectively. Demographic information, neoadjuvant treatment, operative data, and perioperative mortality/morbidity were evaluated. Patients were classified depending on the timeline and predominant surgical approach: Group 1 (2004-2011, open surgery), Group 2 (2011-2015, adoption period of minimally invasive surgery), and Group 3 (2015-2021, routine minimally invasive surgery). In total, 167 patients were identified (Group 1, n = 48; Group 2, n = 44; Group 3, n = 75). Group 3 was significantly older (59.5 ±11.6 vs. 54.1 ±10.6 years and 56.2 ±10.8 years; p = 0.031).The likelihood of successful completion of a totally minimally invasive esophagectomy was increased as well as the preference for intrathoracic anastomosis (p < 0.0001 for both). The major morbidity rate was stable across the groups, but 90-day mortality significantly decreased for the most recent cohort. Accumulating experience led to enhanced success in completion of minimally invasive oesophagectomy, and intrathoracic anastomosis was increasingly the preferred modality. Surgical mortality decreased over time despite the older patients and comparable perioperative morbidity including anastomotic leaks. Improvement in the management of complications is an apparent contributor to good perioperative outcomes as well as technical development.

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