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Video: Multicentre outcomes of robot-assisted partial nephrectomy after major open abdominal surgery




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Multicentre outcomes of robot-assisted partial nephrectomy after major open abdominal surgery

Newaj Abdullah*, Haider Rahbar*, Ravi Barod*, Deepansh Dalela*, Jeff LarsonMichael Johnson, Alon Mass§, Homayoun Zargar, Mohamad Allaf, Sam BhayaniMichael Stifelman§, Jihad Kaouk¶ and Craig Rogers*

 

*Vattikutti Urology Institute, Henry Ford Health System, Detroit, MI, Division of Urology, Washington University in St. Louis, St. Louis, MO, James Buchanan Brady Urological Institute, John Hopkins University, Baltimore, MD, §Department of Urology, New York University, New York, NY, and Glickman Urological and Kidney Institute, Cleveland Clinic Foundation, Cleveland, OH, USA

 

Objective

To evaluate the outcomes of robot-assisted partial nephrectomy RAPN after major prior abdominal surgery (PAS) using a large multicentre database.

Patients and methods

We identified 1 686 RAPN from five academic centres between 2006 and 2014. In all, 216 patients had previously undergone major PAS, defined as having an open upper midline/ipsilateral incision. Perioperative outcomes were compared with those 1 470 patients who had had no major PAS. The chi-squared test and Mann–Whitney U-test were used for categorical and continuous variables, respectively.

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Results

There was no statistically significant difference in Charlson comorbidity index, tumour size, R.E.N.A.L. nephrometry score or preoperative estimated glomerular filtration rate (eGFR) between the groups. Age and body mass index were higher in patients with PAS. The PAS group had a higher estimated blood loss (EBL) but this did not lead to a higher transfusion rate. A retroperitoneal approach was used more often in patients with major PAS (11.2 vs 5.4%), although this group did not have a higher percentage of posterior tumours (38.8 vs 43.3%, P = 0.286). Operative time, warm ischaemia time, length of stay, positive surgical margin, percentage change in eGFR, and perioperative complications were not significantly different between the groups.

Conclusions

RAPN in patients with major PAS is safe and feasible, with increased EBL but no increased rate of transfusion. Patients with major PAS had almost twice the likelihood of having a retroperitoneal approach.

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