Ravi Shridhar1, Caitlin Takahashi2, Jamie Huston3, Matthew P Doepker4, Kenneth L Meredith3. 1. Department of Radiation Oncology, Florida Hospital Orlando, Orlando, FL, USA. 2. Midwestern Medical School, Phoenix, AZ, USA. 3. Division of Surgical Oncology, Sarasota Memorial Hospital, Sarasota, FL, USA. 4. Department of Surgery, University of South Carolina, Columbia, SC, USA.
Abstract
BACKGROUND: Anastomotic leaks (AL) cause significant morbidity after esophagectomy. Most patients receive neoadjuvant chemoradiation (NCR) prior to esophagectomy which has been associated with increase perioperative complications and mortality. We report on a comparison of AL rates in upfront surgical (UFS) and NCR patients. METHODS: An esophagectomy database was queried for UFS and NCR patients treated between 1996 and 2015. Predictors of AL rate were identified using univariate and multivariate (MVA) analysis and propensity score matching (PSM). RESULTS: We identified 820 patients (UFS, 288; NCR, 532). Overall AL rate was 5.4%. Decreased AL rate was observed in NCR patients on MVA (8.0% vs. 4.1%; P=0.02) but no difference was seen after PSM (7.7% vs. 4.2%; P=0.14). MVA of factors associated with decreased AL in UFS patients included distal esophageal tumors and body mass index (BMI) >25. Age, gender, year of surgery, histology, anastomotic location, and diabetes were not prognostic. Before PSM, MVA of NCR patients of factors associated with decreased AL revealed that only thoracic anastomosis was prognostic. However, this was not observed after PSM. MVA of factors associated with decreased AL in all patients revealed thoracic anastomosis, NCR, and BMI 25-30. After PSM, only distal esophageal tumors and thoracic anastomosis were prognostic for decreased AL. CONCLUSIONS: There is no difference in the AL rate between UFS and NCR patients. Decreased AL rate was observed in patients with distal esophageal tumors and thoracic anastomosis.
BACKGROUND: Anastomotic leaks (AL) cause significant morbidity after esophagectomy. Most patients receive neoadjuvant chemoradiation (NCR) prior to esophagectomy which has been associated with increase perioperative complications and mortality. We report on a comparison of AL rates in upfront surgical (UFS) and NCR patients. METHODS: An esophagectomy database was queried for UFS and NCR patients treated between 1996 and 2015. Predictors of AL rate were identified using univariate and multivariate (MVA) analysis and propensity score matching (PSM). RESULTS: We identified 820 patients (UFS, 288; NCR, 532). Overall AL rate was 5.4%. Decreased AL rate was observed in NCR patients on MVA (8.0% vs. 4.1%; P=0.02) but no difference was seen after PSM (7.7% vs. 4.2%; P=0.14). MVA of factors associated with decreased AL in UFS patients included distal esophageal tumors and body mass index (BMI) >25. Age, gender, year of surgery, histology, anastomotic location, and diabetes were not prognostic. Before PSM, MVA of NCR patients of factors associated with decreased AL revealed that only thoracic anastomosis was prognostic. However, this was not observed after PSM. MVA of factors associated with decreased AL in all patients revealed thoracic anastomosis, NCR, and BMI 25-30. After PSM, only distal esophageal tumors and thoracic anastomosis were prognostic for decreased AL. CONCLUSIONS: There is no difference in the AL rate between UFS and NCR patients. Decreased AL rate was observed in patients with distal esophageal tumors and thoracic anastomosis.
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