• Annals of surgery · Nov 2024

    The Near-infrared Visualization and Pre-emptive Ligation of the Thoracic Duct Effectively Reduce the Chyle Leak Incidence After Minimally Invasive Esophagectomy.

    • Francesco Puccetti, Lorenzo Cinelli, Lavinia A Barbieri, Davide Socci, Di Serio Clelia, Francesco De Cobelli, Ugo Elmore, Riccardo Rosati, and OSR CCeR Collaborative Group†∥.
    • Department of Gastrointestinal Surgery, IRCCS San Raffaele Scientific Institute, Milan, Italy.
    • Ann. Surg. 2024 Nov 1; 280 (5): 780787780-787.

    ObjectiveThe aim of the present study is to assess the effectiveness of indocyanine-green (ICG)-guided lymphography (ICG-Lg) in reducing the incidence of chyle leak (CL) after esophagectomy.BackgroundChylothorax may severely impact esophageal cancer surgery, and the pre-emptive ligation of the thoracic duct (TD) is the most widespread control of this complication. Intraoperative ICG-Lg has been recently embedded in minimally invasive esophagectomy to facilitate TD detection and pre-emptive ligation.MethodsThis retrospective analysis included consecutive patients who underwent minimally invasive Ivor Lewis esophagectomy for cancer at a tertiary referral center between January 2018 and August 2023. Patients were routinely submitted to extended lymphadenectomy with TD ligation and removal. All patients treated after January 2021 underwent ICG-Lg for TD identification and ligation (ICG group) and compared with the previous series (no-ICG group). The primary outcome was the incidence of postoperative CL, while univariate and backward stepwise multivariate logistic regression models were performed to identify associated factors.ResultsAfter including 320 patients, 151 (ICG group) were submitted to ICG-Lg before the pre-emptive TD ligation. Both groups presented similar characteristics, except for neoadjuvant therapy ( P <0.001) and preoperative comorbidities ( P =0.045). Intraoperative ICG-Lg significantly reduced the incidence of postoperative CL (11.8% vs 4.6%, P =0.026) and was significantly associated with shorter median length of hospital stay (13 vs 9 d, P =0.006). However, CL after ICG-Lg was more likely to require repairing reoperation ( P =0.050).ConclusionsIntraoperative ICG-Lg demonstrated significantly lower rates of CL after total minimally invasive esophagectomy and, therefore, it should be routinely embedded in the standardized surgical technique of high-volume centers for esophageal cancer.Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.

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