Influence of body composition measures on chyle leak after oesophagectomy.
Halle-Smith, James M Siddaiah-Subramanya, Manjunath Ghoneim, Abdulrahman Almonib, Ahmed Tan, Benjamin H L
Halle-Smith, James M
Siddaiah-Subramanya, Manjunath
Ghoneim, Abdulrahman
Almonib, Ahmed
Tan, Benjamin H L
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2022-04
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Abstract
Background: Chyle leak (CL) is an infrequent but potentially serious complication of oesophagectomy. Sarcopenia is an increasingly recognised prognostic factor in oesophageal cancer surgery. The aim of this study was to identify the influence of body composition measures on CL following oesophagectomy.
Methods: Patients who developed CL after oesophagectomy between January 2006-December 2020 were identified retrospectively from a prospectively maintained dataset. A control group of patients undergoing oesophagectomy, who did not experience chyle leak during the same time period, was also collected. Relationships between CL and demographics, operative factors and body composition measures were investigated as primary outcomes. Risk factors for severe CL were evaluated as a secondary outcome.
Results: There were 26 patients who developed a CL following an oesophagectomy. On univariate analysis, preoperative body mass index (BMI) (P=0.001), subcutaneous fat index (P=0.001) and total fat index (P=0.004) were significantly associated with CL. On multivariate analysis, a lower preoperative subcutaneous fat index was a significant independent predictor of CL (P=0.003). Sarcopenia, as an overall measure, was not found to be a significant predictor of developing CLs. No significant predictors of severe CL were identified.
Conclusions: A reduced preoperative BMI and body fat composition are risk factors for CL after oesophagectomy. Sarcopenia does not predict either the occurrence or severity of CL. This presents potentially modifiable risk factors for CL after oesophagectomy and emphasises the importance of physiological and nutritional optimisation before oesophagectomy.
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Halle-Smith JM, Siddaiah-Subramanya M, Ghoneim A, Almonib A, Tan BHL. Influence of body composition measures on chyle leak after oesophagectomy. J Thorac Dis. 2022 Apr;14(4):877-883. doi: 10.21037/jtd-21-1580
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