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Evaluation of factors affecting the difficulty of laparoscopic anterior resection for rectal cancer: “narrow pelvis” is not a contraindication

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Abstract

Background

This study aims to evaluate the clinical and anatomical factors, particularly pelvic dimensions that influence the difficulty of performing laparoscopic anterior resection for rectal cancer.

Methods

We studied 50 consecutive patients who underwent laparoscopic anterior resection with double-stapling technique (DST) anastomosis for rectal cancer between January 2006 and February 2010. Staging was performed by computed tomography. Five pelvic dimensions (anteroposterior and transverse diameters of pelvic inlet and outlet, and pelvic depth) were measured using three-dimensional volume-rendering images. We also examined a number of other clinical characteristics, including gender, history of laparotomy, body mass index (BMI), operator, tumor location, tumor depth, nodal involvement, and tumor diameter. Univariate and multivariate analyses were performed to determine the predictive significance of these variables on surgical difficulty based on operative time and intraoperative blood loss.

Results

Males had significantly shorter pelvic inlets and outlets and significantly greater pelvic depth than females. However, gender did not significantly affect surgical outcomes, although males did tend to experience greater blood loss. Maximum tumor diameter (p = 0.014), BMI (p = 0.001), operator (p < 0.001), and tumor location (p = 0.009) were independent predictors of operative time, which, in turn, was related to intraoperative blood loss (p < 0.001).

Conclusions

Maximum tumor diameter, BMI, operator experience, and tumor location can be used to predict the operative time required to complete laparoscopic anterior resection with DST anastomosis for rectal cancer, with no correlations between pelvic dimensions and operative time. The difficulty of the procedure was not related to patients’ pelvic dimensions, which led us to conclude that “narrow pelvis” is not a contraindication for this surgery. Based on these results, we suggest that laparoscopic anterior resection should be performed by experienced surgeons in patients with large tumors, high BMI, and/or extraperitoneal rectal cancer.

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Acknowledgements

We thank Naoki Sakane, MD, PhD, for his help in statistical analyses.

Disclosures

Authors Satoshi Ogiso, Takashi Yamaguchi, Hiroaki Hata, Meiki Fukuda, Iwao Ikai, Toshio Yamato, and Yoshiharu Sakai have no conflicts of interest or financial ties to disclose.

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Correspondence to Satoshi Ogiso.

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Ogiso, S., Yamaguchi, T., Hata, H. et al. Evaluation of factors affecting the difficulty of laparoscopic anterior resection for rectal cancer: “narrow pelvis” is not a contraindication. Surg Endosc 25, 1907–1912 (2011). https://doi.org/10.1007/s00464-010-1485-0

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  • DOI: https://doi.org/10.1007/s00464-010-1485-0

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