Abstract
Background
Esophagectomy is a complex oncologic surgery that results in lower perioperative morbidity and mortality when performed in high-volume hospitals by experienced surgeons; however, limited data exists evaluating the importance of neoadjuvant radiotherapy delivery at high- versus low-volume centers. We sought to compare postoperative toxicity among patients treated with preoperative radiotherapy delivered at an academic medical center (AMC) versus community medical centers (CMC).
Methods
Consecutive patients undergoing esophagectomy for locally advanced esophageal or gastroesophageal junction (GEJ) cancer at an academic medical center between 2008 and 2018 were reviewed. Associations between patient factors and treatment-related toxicities were calculated in univariate (UVA) and multivariable analyses (MVA).
Results
One hundred forty-seven consecutive patients were identified: 89 CMC and 58 AMC. Median follow-up was 30 months (0.33–124 months). Most patients were male (86%) with adenocarcinoma (90%) located in the distal esophagus or GEJ (95%). Median radiation dose was 50.4 Gy between groups. Radiotherapy at CMCs resulted in higher rates of re-operation after esophagectomy (18% vs 7%, p = 0.055) and increased rates of anastomotic leak (38% vs 17%, p < 0.01). On MVA, radiation at a CMC remained predictive of anastomotic leak (OR 6.13, p < 0.01).
Conclusion
Esophageal cancer patients receiving preoperative radiotherapy had higher rates of anastomotic leaks when radiotherapy was completed at a community medical center versus academic medical center. Explanations for these differences are uncertain but further exploratory analyses regarding dosimetry and radiation field size are warranted.
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Data Availability
All data is stored separately in a data repository and will be shared upon reasonable request to the corresponding author.
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Morse, R.T., Mouw, T.J., Moreno, M. et al. Neoadjuvant Radiotherapy Facility Type Affects Anastomotic Complications After Esophagectomy. J Gastrointest Surg 27, 1313–1320 (2023). https://doi.org/10.1007/s11605-023-05660-6
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DOI: https://doi.org/10.1007/s11605-023-05660-6