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Erschienen in:
13.02.2018
Does the number of operating specialists influence the conversion rate and outcomes after laparoscopic colorectal cancer surgery?
Erschienen in: Surgical Endoscopy | Ausgabe 8/2018
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Background
Laparoscopic techniques in colorectal surgery have been widely utilised due to short-term patient benefits but conversion to open surgery is associated with adverse short- and long-term patient outcomes. The aim of this study was to investigate the influence of dual specialist operating on the conversion rate and patient outcomes following laparoscopic colorectal surgery.
Methods
A prospectively populated colorectal cancer surgery database was reviewed. Cases were grouped into single or dual consultant procedures. Cluster analysis and odds ratio (OR) were used to identify risk factors for conversion. Primary outcome measures were conversion to open and five year overall survival (OS) calculated using the Kaplan–Meier log-rank method.
Results
750 patients underwent laparoscopic colorectal cancer resection between 2002 and 2015 (median age 73, 319 (42.5%) female, 282 (37.6%) rectal malignancies, 135 patients (18%) had two consultants). The single surgeon conversion rate was 20.4% compared to 5.5% for dual operating (OR 4.4, 95% CI 1.87–10.2, p < 0.001). There were no demographic or tumour differences between the laparoscopic/converted and number of surgeon groups. Two-step cluster analysis identified cluster I (lower risk) 406 patients, 8% converted and cluster II (higher risk) 261 patients, conversion rate 30%. Median follow-up was 48 months (range 0–168). Five-year OS was significantly inferior for both converted and single surgeon cases (63% vs. 77%, p < 0.001 and 61% vs. 70%, p = 0.033, respectively).
Conclusion
In selected colorectal cancer patients operated by fully trained laparoscopic surgeons, we observed a reduction in conversion with associated long-term survival benefit from dual operating specialists.