Abstract
Laparoscopic resection of liver tumors located in the posterosuperior segments is a challenging operation that could be facilitated by robotic assistance. Laparoscopic resection of 12 tumors located in posterosuperior segments (IVa: 1; VII: 5; VIII: 6) was carried out under robotic assistance. All patients had a single tumor nodule. Data were collected prospectively and analyzed retrospectively. Surgery required a mean of 260.4 min (115–430) and was completed laparoscopically in all but one patient, who required conversion to mini-laparotomy because of intolerance of pneumoperitoneum (8.3 %). Mean estimated blood loss was 252.7 ml (50–600), making transfusion necessary in 3 patients (25.0 %). Post-operative complications occurred in 4 patients (33.3 %), being of Clavien–Dindo grade II in 3 patients (25.0 %) and Clavien–Dindo grade IV in 1 patient (8.3 %). Reoperation was required in 1 patient, who subsequently had a long hospital stay, because of decompensated cirrhosis. Median length of hospital stay was 8.5 days (7–96). No patient was readmitted. Pathology showed hepatocellular carcinoma in 7 patients (58.3 %), liver metastasis in 2 patients (16.6 %), and hepatic adenoma, focal nodular hyperplasia, and hemangioma in one patient each (8.3 %). All patients had a margin negative resection. After a mean follow-up period of 21.4 months (±24.4), no patient with malignant histology developed recurrence. Our initial experience confirms that laparoscopic robot-assisted resection of tumors located in the posterosuperior segments is feasible. Further experience is needed before final conclusions can be drawn and meaningful comparison with other surgical techniques becomes possible.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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This article does not contain any studies with human participants or animals performed by any of the authors.
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Patients were extensively counseled about their disease, the operation that was planned, and the use of robotic assistance. All patients signed an informed consent.
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Boggi, U., Caniglia, F., Vistoli, F. et al. Laparoscopic robot-assisted resection of tumors located in posterosuperior liver segments. Updates Surg 67, 177–183 (2015). https://doi.org/10.1007/s13304-015-0304-5
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DOI: https://doi.org/10.1007/s13304-015-0304-5