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  • Title: The Near-Infrared Visualization and Preemptive Ligation of the Thoracic Duct Effectively Reduce the Chyle Leak Incidence After Minimally Invasive Esophagectomy.
    Author: Puccetti F, Cinelli L, Barbieri LA, Socci D, Clelia DS, De Cobelli F, Elmore U, Rosati R, OSR CCeR Collaborative Group†∥.
    Journal: Ann Surg; 2024 Nov 01; 280(5):780-787. PubMed ID: 39140608.
    Abstract:
    OBJECTIVE: The 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. BACKGROUND: Chylothorax 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. METHODS: This 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. RESULTS: After 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). CONCLUSIONS: Intraoperative 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.
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