Utilization of a novel valveless trocar system during robotic-assisted laparoscopic prostatectomy

World Journal of Urology
Arvin K GeorgeWolfgang Loidl

Abstract

To evaluate the effect of a novel valveless trocar system (VTS) on perioperative outcomes in patients undergoing robotic-assisted laparoscopic prostatectomy (RALP). A single-institution retrospective review was performed of 792 patients undergoing RALP. Preoperative patient variables, tumor characteristics, and perioperative variables were collected and analyzed. The first 150 patients were excluded from analysis to account for the learning curve of robotic surgery. Univariate and multivariate linear regression models were used to assess factors affecting operative time (ORT). A total of 257 and 385 patients underwent RALP utilizing the VTS and conventional insufflation, respectively. There were no significant differences in American Society of Anesthesiologist score, body mass index (BMI), prostate volume, final Gleason score, estimated blood loss, and complications between the cohorts. The only difference noted was a significantly shorter mean ORT in the VTS cohort (149.5 vs. 170.1 min, p < 0.0001). In light of this finding, further analysis was performed to identify associations with ORT. Multivariable analysis demonstrated that VTS, BMI, final Gleason score, prostate volume, surgeon, and node dissection were significantly a...Continue Reading

References

Aug 22, 2009·Journal of Endourology·Amin S HeratiLouis R Kavoussi
Oct 28, 2010·Journal of Endourology·John T LeppertPeter G Schulam
Oct 14, 2011·BJU International·Soroush Rais-BahramiLouis R Kavoussi
Sep 29, 2012·The Journal of Urology·Joel H HillelsohnLouis Kavoussi

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