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Erschienen in:
01.09.2012 | Original Article
Laparoscopic resection for sigmoid and rectosigmoid colon cancer performed by trainees: impact on short-term outcomes and selection of suitable patients
Erschienen in: International Journal of Colorectal Disease | Ausgabe 9/2012
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Purpose
This study aimed (1) to evaluate the impact of clinical factors, particularly operation by trainees, on the short-term outcomes of laparoscopic resection for sigmoid and rectosigmoid cancer, and (2) to determine patients suitable for operation by trainees.
Methods
From a prospectively maintained single-institution database, we identified 133 patients who underwent laparoscopic resection for sigmoid or rectosigmoid cancer between 2007 and 2010. Gender, age, body mass index (BMI), previous abdominal surgery, tumor location, tumor size, tumor stage, extent of lymph node dissection, and primary surgeon were evaluated using univariate and multivariate analyses to determine the predictive significance of these variables on surgical outcomes including operative time, blood loss, complication, postoperative stay, and retrieved lymph nodes.
Results
Multivariate analysis showed that location of the tumor in the rectosigmoid (p < 0.001), higher BMI (p < 0.001), operation by trainees (p < 0.001), male gender (p = 0.002), and greater tumor depth (p = 0.011) were independently predictive of longer operative time. Larger tumor size (p = 0.025) and higher BMI (p = 0.040) were independently predictive of greater blood loss. Larger tumor size was also related to longer postoperative stay (p = 0.001) and a greater number of retrieved lymph nodes (p = 0.001).
Conclusions
This study identified operation by trainees as an independent risk factor for longer operative time but with no negative impact on any of the other outcomes. Female patients with a low BMI, sigmoid cancer, shallow tumor depth, and/or small tumor are suitable for operation by trainees.