Laparoscopic/ Robotic: Other

Moderated Poster Session

MP16-21 - ‘Trifecta’ outcomes of robot-assisted partial nephrectomy in clinical T1b and T2 renal tumors

Saturday, September 22
10:00 AM - 12:00 PM
Location: Room 243

Introduction & Objective :

To analyze the outcomes of robot-assisted partial nephrectomy (RAPN) in patients with clinical T1b (cT1b) and T2 (cT2) renal tumors.


Methods :

We analyzed clinical data of 167 consecutive patients who underwent RAPN with a diagnosis of cT1b (n=154) and cT2 (n=13) between 2008 and 2017. A ‘trifecta’ of outcomes was assessed, with trifecta defined as a warm ischaemia time (WIT) of ≤ 25min, negative surgical margins, and no complications intraoperatively or within 3 months of RAPN. Perioperative outcomes were compared, and predictors of ‘trifecta’ achievement were assessed using multivariate logistic regression analysis.


Results :

For the entire cohort, the mean (standard deviation [SD]) operative time and estimated blood loss was 172.7 (71.0) min and 208.3 (222.0) mL, respectively. The mean (SD) WIT was 30.0 (9.4) min. The overall intraoperative and postoperative complication rate was 4.8% and 3.6%, respectively. There was no positive surgical margin (0%). Trifecta outcomes were achieved in 40 of 167 patients (24.0%). Maximal pathologic tumor size and ‘N’ component of R.E.N.A.L nephrometry score were found to be predictors of ‘trifecta’ achievement in multivariate analysis (Table 1).


Conclusions :

Our findings suggest that RAPN is a safe and feasible treatment option for cT1b and cT2 renal tumors. Maximal pathologic tumor size and nearness to collecting system (or renal sinus) were significant predictors for the ‘trifecta’ achievement.

Jung Kwon Kim

Clinical Fellow
Seoul National University Bundang Hospital

Jung Kwon Kim, M.D. Department of Urology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Korea

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    Byung Do Song

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      Hakmin Lee

      Urologist
      Seoul National University Bundang Hospital

      Hakmin Lee

      Department of Urology
      Seoul National University Bundang Hospital

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        Hakmin Lee

        Urologist
        Seoul National University Bundang Hospital

        Hakmin Lee

        Department of Urology
        Seoul National University Bundang Hospital

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          Jong Jin Oh

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            Jong Jin Oh

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              Sangchul Lee

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                Sangchul Lee

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                  Sung Kyu Hong

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                    Sung Kyu Hong

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                      Sang Eun Lee

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                        Sang Eun Lee

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                          Seok-Soo Byun

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                            Seok-Soo Byun

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