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Comparison of intraoperative and short-term postoperative outcomes between robot-assisted laparoscopic multi-port pyeloplasty using the da Vinci Si system and single-port pyeloplasty using the da Vinci SP system in children

 Sung Ku Kang  ;  Won Sik Jang  ;  Sung Hoon Kim  ;  Sang Woon Kim  ;  Sang Won Han  ;  Yong Seung Lee 
 INVESTIGATIVE AND CLINICAL UROLOGY, Vol.62(5) : 592-599, 2021-09 
Journal Title
Issue Date
Pediatrics ; Robotic surgical procedures ; Ureteral obstruction
Purpose: We compared the intraoperative and postoperative outcomes of single-port robot-assisted laparoscopic pyeloplasty (S-RALP) using the da Vinci SP® system and conventional multi-port robot-assisted laparoscopic pyeloplasty (M-RALP) in pediatric patients.

Materials and methods: Multi-port and single-port pyeloplasty have been performed in pediatric patients in our institution since October 2015 and February 2019, respectively. We conducted an entire cohort comparison. Considering the learning curve of M-RALP, we defined the last 15 cases of M-RALP as a subgroup of M-RALP and compared this subgroup with the entire cohort of S-RALP patients.

Results: Thirty-one patients who underwent multi-port pyeloplasty and 15 patients who underwent single-port pyeloplasty were enrolled in this study. Age, height, body weight, laterality, surgical indication, and ipsilateral differential renal function were statistically similar in the M-RALP and S-RALP groups. The median operative time (3.0 h vs. 2.4 h; p=0.01) and the median console time (2.2 h vs. 1.5 h; p<0.001) were longer in the M-RALP group than in the S-RALP group. There was no significant difference in operative time or console time between the M-RALP subgroup and the S-RALP group. There were no significant differences in the length of hospitalization, pain score, morphine-equivalent use of analgesics, or postoperative differential renal function in all comparisons.

Conclusions: This study confirmed that pyeloplasty using the da Vinci® SP system can be started by robotic surgeons who can overcome the learning curve. Robot-assisted laparoscopic single-port pyeloplasty is feasible in noninfant pediatric patients.
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1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Kang, Sung Ku(강숭구) ORCID logo https://orcid.org/0000-0002-3143-507X
Kim, Sang Woon(김상운) ORCID logo https://orcid.org/0000-0002-5790-1948
Lee, Yong Seung(이용승) ORCID logo https://orcid.org/0000-0003-3778-9888
Jang, Won Sik(장원식) ORCID logo https://orcid.org/0000-0002-9082-0381
Han, Sang Won(한상원) ORCID logo https://orcid.org/0000-0003-0941-1300
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