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01.10.2012 | Original Article

Robot-assisted partial nephrectomy for renal tumors larger than 4 cm: results of a multicenter, international series

verfasst von: Vincenzo Ficarra, Sam Bhayani, James Porter, Nicolò Buffi, Robin Lee, Andrea Cestari, Giacomo Novara, Alexander Mottrie

Erschienen in: World Journal of Urology | Ausgabe 5/2012

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Abstract

Backgrounds

Limited data are available for the use of robot-assisted partial nephrectomy (RAPN) in tumors >4 cm. The objectives of this study were to report the perioperative outcomes of a series of patients who underwent RAPN for suspicious >4 cm renal tumors and to compare these results with those observed in a group of patients with ≤4 cm tumors.

Methods

We analyzed retrospectively the clinical records of 49 patients who underwent RAPN for suspicious of renal cell carcinoma (RCC) >4 cm in size at four centers from September 2008 to September 2010. All patients underwent da Vinci RAPN. The results were compared with those observed in a group of patients undergoing RAPN for ≤4 cm renal tumors.

Results

The median warm ischemia time (WIT) was 22 min (Interquartile range [IQR] 18–28). The median console time was 145 min (median IQR 112–177). The median blood loss was 120 mL (IQR 62–237). In two cases, we observed intraoperative renal vein injury (4 %). Postoperative complications were reported in 13 (26.5 %) patients. Major complications were observed in 4 (8.2 %) cases. Patients with large tumors showed perioperative outcomes worse than those received the RAPN for ≤4 cm tumors. Conversely, no significant difference was observed in positive surgical margin (PSM) rates.

Conclusions

These outcomes support the use of RAPN as possible alternative to open PN for the treatment for patients with suspicious renal masses >4 cm. Positive surgical margin rates demonstrated RAPN is an oncologically safe procedure for tumors >4 cm.

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Titel: Robot-assisted partial nephrectomy for renal tumors larger than 4 cm: results of a multicenter, international series
verfasst von: Vincenzo Ficarra
Sam Bhayani
James Porter
Nicolò Buffi
Robin Lee
Andrea Cestari
Giacomo Novara
Alexander Mottrie
Publikationsdatum: 01.10.2012
Verlag: Springer-Verlag
Erschienen in: World Journal of Urology / Ausgabe 5/2012
Print ISSN: 0724-4983
Elektronische ISSN: 1433-8726
DOI: https://doi.org/10.1007/s00345-012-0943-9

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Robot-assisted partial nephrectomy for renal tumors larger than 4 cm: results of a multicenter, international series