Abstract
Objective
The objectives were to determine factors associated with conversion to open surgery in patients with esophageal cancer who underwent minimally invasive esophagectomy (MIE, including laparo-thoracoscopic and robotic) and the impact of conversion to open surgery on patient outcomes.
Methods
We included patients from the National Cancer Database with esophageal and gastroesophageal junction cancer who underwent MIE from 2010 to 2015. Patient-, tumor-, and facility-related characteristics as well as short-term and oncologic outcomes were compared between patients who were converted to open surgery and those who underwent successful MIE without conversion to open surgery. Multivariable logistic regression models were used to analyze risk factors for conversion to open surgery from attempted MIE.
Results
7306 patients underwent attempted MIE. Of these patients, 82 of 1487 (5.2%) robotic-assisted esophagectomies were converted to open, compared to 691 of 5737 (12.0%) laparo-thoracoscopic esophagectomies (p < 0.001). Conversion rates decreased significantly over the study period (ptrend = 0.010). Patient age, tumor size, and nodal involvement were independently associated with conversion. Facility minimally invasive cumulative volume and robotic approach were associated with decreased conversion rates. Patients whose MIEs were converted had increased 90-day mortality [Odds Ratio (OR) 1.49; 95% Confidence Interval (CI) 1.10, 2.02], prolonged hospital stay (OR 1.39; 95% CI 1.17, 1.66), and higher rates of unplanned readmission (OR 1.67; 95% CI 1.27, 2.20). No significant differences were found in surgical margins or number of lymph nodes harvested.
Conclusion
Patients undergoing attempted MIE requiring conversion to open surgery had significantly worse short-term outcomes including postoperative mortality. Patient factors and hospital experience contribute to conversion rates. These findings should inform surgeons and patients considering esophagectomy for cancer.
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Abbreviations
- MIE:
-
Minimally invasive esophagectomy
- OE:
-
Open esophagectomy
- RAMIE:
-
Robotic-assisted minimally invasive esophagectomy
- VAMIE:
-
Video-assisted minimally invasive esophagectomy
- NCDB:
-
National Cancer Database
- RCT:
-
Randomized controlled trial
- GE:
-
Gastroesophageal
- MIS:
-
Minimally invasive surgical
- LOS:
-
Length of stay
- OR:
-
Odds ratio
- CI:
-
Confidence interval
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Dr. John D. Mitchell MD is a consultant on the Advisory Board for Medtronic, Dr. Alison L. Halpern MD, Ms. Chloe Friedman MPH, Dr. Robert J. Torphy MD, Dr. Mohammed H. Al-Musawi, MD MSc, Dr. Christopher D. Scott MD, Dr. Robert A. Meguid MD MPH, Dr. Martin D. McCarter MD, Dr. Michael J. Weyant MD, and Ana L. Gleisner MD PhD have no conflicts of interest or financial ties to disclose.
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Halpern, A.L., Friedman, C., Torphy, R.J. et al. Conversion to open surgery during minimally invasive esophagectomy portends worse short-term outcomes: an analysis of the National Cancer Database. Surg Endosc 34, 3470–3478 (2020). https://doi.org/10.1007/s00464-019-07124-y
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DOI: https://doi.org/10.1007/s00464-019-07124-y