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Laparoscopic Partial Nephrectomy After Selective Embolization and Robot-Assisted Partial Nephrectomy: A Comparison of Short-Term Oncological and Functional Outcomes

      Abstract

      Background

      Partial nephrectomy (PN) is the standard treatment for localized renal tumors. Laparoscopic PN (LPN) after selective embolization of tumor (LPNE) in a hybrid operating room has been developed to make LPN easier and safer. The aim of this study was to compare outcomes of LPNE and robot-assisted PN (RAPN).

      Patients and Methods

      All patients who underwent an LPNE at Angers University Hospital between May 2015 and April 2017, and a RAPN at Diaconesses Croix Saint Simon hospital between October 2014 and April 2017 were prospectively included. The functional outcomes were evaluated using the change of estimated glomerular filtration rate (eGFR) at 1 month, and the oncological outcomes were evaluated using the positive surgical margin (PSM) rate.

      Results

      Fifty-seven patients underwent LPNE and 48 underwent RAPN. There was no difference between oncological and functional outcomes, with 2 PSM (4.4%) in the LPNE group and 4 PSM (10.3%) in the RAPN group (P = .32), and a mean change in eGFR at 1 month of −5.5% for LPNE and −8.3% for RAPN (P = .17). The mean surgical time was shorter in the LPNE group (150 vs. 195 minutes; P < .001), and mean estimated blood loss was less in the LPNE group (185 vs. 345 mL; P = .04).

      Conclusion

      The short-term oncological and functional outcomes for LPNE were comparable with those for RAPN. A longer follow-up and a larger cohort of patients would be necessary to verify the benefits of LPNE, which appears to be a very interesting alternative to RAPN.

      Keywords

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