Background: Robotic surgery was introduced as a means of overcoming the limitations of traditional laparoscopy. This report describes the results of a matched comparative study between traditional (TLLR) and robot-assisted laparoscopic liver resection (RLLR) performed in two European centers.
Methods: From January 2008-April 2013, 46 patients underwent RLLR at San Matteo degli Infermi Hospital. Each patient was matched to a patient who had undergone TLLR at Antoine Béclère Hospital. The variables evaluated were operative time, blood loss, conversion rate, morbidity, mortality, and length of hospital stay.
Results: Twenty-eight patients were included in each group. Despite matching, more tumors were solitary in the TLLR group (P = 0.02) and more were localized in the superior and posterior segments in the RLLR group (P = 0.003). The median duration of surgery was 210 and 176 min in the RLLR and TLLR groups, respectively (P = 0.12). Conversion rate, blood loss, morbidity, and length of stay were similar in both groups. In multivariate analysis in all cohorts of patients, the sole independent risk factor of postoperative complications was the operative duration [OR = 1.016; P = 0.007].
Conclusions: Robotic LLR is associated with outcomes similar to those obtained with TLLR. However, robotics may facilitate LLR in patients with superior and posterior liver tumors.
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