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  • Title: Does ligation of the thoracic duct during oesophagectomy reduce the incidence of post-operative chylothorax?
    Author: Choh CT, Khan OA, Rychlik IJ, McManus K.
    Journal: Int J Surg; 2012; 10(4):203-5. PubMed ID: 22446086.
    Abstract:
    A best evidence topic in surgery was written according to a structured protocol. The question addressed was whether prophylactic thoracic duct ligation during oesophagectomy results in a lower incidence of post-operative chylothorax. 29 relevant papers were found using the reported search, of which 5 papers represented the best evidence to answer the clinical question. The authors, date and country of publication, patient group, study type, relevant outcomes and results of these papers are tabulated. Of these studies, only one was a prospective randomised controlled study with sizeable patient numbers. This was also the most recent study and demonstrated a significant decrease in post-operative chylothorax incidence following intra-operative thoracic duct ligation. Of the four remaining retrospective studies, one showed an increase in chylothorax rate following ligation whilst three showed a reduction in the incidence of chylothorax (although in only one of these three studies was this decrease statistically significantly). We conclude that for patients undergoing oesophagectomy, although there are conflicting results from retrospective studies, prospective randomised controlled trial evidence points to prophylactic ligation of the thoracic duct as an effective measure to reduce the incidence of post-operative chylothorax.
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