Minimally Invasive Versus Open Ivor-Lewis Esophagectomy for Esophageal Cancer or Cancer of the Gastroesophageal Junction: Comparison of Postoperative Outcomes and Long-term Survival Using Propensity Score Matching Analysis.

Knitter, Sebastian; Andreou, Andreas; Hofmann, Tobias; Chopra, Sascha; Denecke, Christian; Thuss-Patience, Peter C; Kröll, Dino; Bahra, Marcus; Schmelzle, Moritz; Pratschke, Johann; Biebl, Matthias (2021). Minimally Invasive Versus Open Ivor-Lewis Esophagectomy for Esophageal Cancer or Cancer of the Gastroesophageal Junction: Comparison of Postoperative Outcomes and Long-term Survival Using Propensity Score Matching Analysis. Anticancer research, 41(7), pp. 3499-3510. International Inst. of Anticancer Research 10.21873/anticanres.15137

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BACKGROUND/AIM

Esophagectomy is crucial for achieving long-term survival in patients with esophageal cancer, while being associated with a significant risk of complications. Aiming to reduce invasiveness and morbidity, total minimal-invasive esophagectomy (MIE) has been gradually implemented worldwide. The aim of the study was to compare MIE to open Ivor-Lewis esophagectomy (OE) for esophageal cancer or cancer of the gastroesophageal junction (GEJ), in terms of postoperative and oncological outcomes.

PATIENTS AND METHODS

Clinicopathological data of patients undergoing oncologic transthoracic esophagectomy (Ivor Lewis procedure) between 2010 and 2019 were assessed. Postoperative outcomes and long-term survival of patients undergoing OE were compared to those after MIE using 1:1 propensity score matching.

RESULTS

After excluding hybrid and robotic procedures, 90 patients who underwent MIE were compared with a matched cohort of 90 patients who underwent OE. MIE was associated with lower major postoperative morbidity (31% vs. 46%, p=0.046) and lower 90-day mortality (2% vs. 12%, p=0.010) compared to OE. MIE showed non-inferior 3-year overall (65% vs. 52%, p=0.019) and comparable disease-free survival rates (49% vs. 51%, p=0.851) in comparison to OE.

CONCLUSION

Our data suggest that MIE should be preferably performed in patients with esophageal cancer or cancer of the GEJ.

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