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Robotic partial nephrectomy for completely endophytic renal tumors: complications and functional and oncologic outcomes during a 4-year median period of follow-up.

Authors
 Christos Komninos  ;  Tae Young Shin  ;  Patrick Tuliao  ;  Dae Keun Kim  ;  Woong Kyu Han  ;  Byung Ha Chung  ;  Young Deuk Choi  ;  Koon Ho Rha 
Citation
 Urology, Vol.84(6) : 1367-1373, 2014 
Journal Title
 Urology 
ISSN
 0090-4295 
Issue Date
2014
Abstract
OBJECTIVE: To evaluate the renal functional outcome, the oncologic safety, and the occurrence of complications after robotic-assisted laparoscopic partial nephrectomy (RPN) for completely endophytic tumors. MATERIAL AND METHODS: Data of 45 patients with completely endophytic tumors, 116 patients with mesophytic, and 64 patients with exophytic masses who underwent RPN were retrospectively analyzed. Perioperative, oncologic, and functional data were evaluated and analyzed with SPSS, version 18. RESULTS: Demographic characteristics were similar among the groups. The median follow-up of the endophytic, the mesophytic, and the exophytic groups were 48, 43, and 38 months, respectively. Endophytic masses were more likely to be malignant and have a higher overall tumor complexity, estimated by the RENAL score (9 vs 8 vs 5.5; P <.01; P = .02). We did not detect any statistically significant differences among the groups regarding blood loss volume, transfusion rates, length of stay, and intraoperative and postoperative complications (P = .49, .25, .87, .42, and .20, respectively). There was a statistically significant difference in the estimated glomerular filtration rate percentage change on the first postoperative day (P = .02), but this significance was not observed after the first week. The patients in the endophytic group showed a tendency toward increased rates of positive surgical margins compared with the mesophytic and exophytic groups (P = .06). However, there were not any significant differences regarding the recurrence-free survival rates (P = .335) and the overall mortality rates (P = .570) according to the Kaplan-Meier analysis. CONCLUSION: In experienced institutes, RPN for entirely intraparenchymal masses is a feasible procedure in terms of complication rates, functional and oncologic outcomes during an intermediate-term period of follow-up.
Full Text
http://www.sciencedirect.com/science/article/pii/S0090429514009327
DOI
10.1016/j.urology.2014.08.012
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실)
Yonsei Authors
김대근(Kim, Dae Keun)
나군호(Rha, Koon Ho) ORCID logo https://orcid.org/0000-0001-8588-7584
신태영(Shin, Tae Young)
정병하(Chung, Byung Ha) ORCID logo https://orcid.org/0000-0001-9817-3660
최영득(Choi, Young Deuk) ORCID logo https://orcid.org/0000-0002-8545-5797
크리스토스콤니노스(Komninos, Christos)
툴리아오패트릭(Tuliao, Patrick)
한웅규(Han, Woong Kyu)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/138565
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