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Feasibility of Robotic Laparoendoscopic Single-Site Partial Nephrectomy for Renal Tumors >4 cm

Authors
 Albert Tiu  ;  Kwang H. Kim  ;  Tae Y. Shin  ;  Woong K. Han  ;  Sang W. Han  ;  Koon H. Rha 
Citation
 EUROPEAN UROLOGY, Vol.63(5) : 941-946, 2013 
Journal Title
 EUROPEAN UROLOGY 
ISSN
 0302-2838 
Issue Date
2013
MeSH
Adolescent ; Adult ; Aged ; Carcinoma, Renal Cell/pathology ; Carcinoma, Renal Cell/surgery* ; Feasibility Studies ; Female ; Humans ; Kidney Neoplasms/pathology ; Kidney Neoplasms/surgery* ; Laparoscopy*/adverse effects ; Length of Stay ; Male ; Middle Aged ; Nephrectomy/adverse effects ; Nephrectomy/methods* ; Republic of Korea ; Retrospective Studies ; Risk Factors ; Robotics* ; Surgery, Computer-Assisted*/adverse effects ; Time Factors ; Treatment Outcome ; Tumor Burden ; Warm Ischemia ; Young Adult
Keywords
Robotic laparoendoscopic single-site ; Partial nephrectomy ; Renal cell carcinoma ; Nephrometry score ; Warm ischemia time
Abstract
BACKGROUND: Laparoendoscopic single-site (LESS) urologic procedures have gained significant interest worldwide in an attempt to further reduce morbidity and minimize scarring associated with conventional laparoscopic surgery. The robotic technology has overcome some of the limitations of manual single-incision surgery relating to lack of triangulation, instrument collision, and surgical exposure. There are no data on robotic LESS partial nephrectomy (PN) for renal tumors >4 cm. OBJECTIVES: To evaluate the feasibility of robotic LESS PN for renal tumors >4 cm. DESIGN, SETTING, AND PARTICIPANTS: Data from 67 consecutive patients who underwent robotic LESS PN were collected between May 2009 to January 2011. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Patients were stratified into two groups: 20 patients with renal tumors >4 cm (group 1) and 47 patients with renal tumors ≤ 4 cm (group 2). Perioperative data were recorded and comparisons between the two groups were analyzed using the Mann-Whitney U test for continuous variables and Fisher exact test for categorical variables. RESULTS AND LIMITATIONS: No statistically significant differences were found between the two groups in demographic information, operative complications, pathologic characteristics, mean decline in estimated glomerular filtration rate, estimated blood loss, operative times, conversion rate, or positive surgical margins. However, group 1 had a higher mean nephrometry score (p<0.01), longer warm ischemia time (p = 0.007), and longer length of stay (p = 0.046). Its retrospective design and being conducted at a single center were the main limitations of this study. CONCLUSIONS: This study demonstrated the feasibility and safety of robotic LESS PN for tumors >4 cm. Patients with tumors >4 cm had a statistically significant, higher mean nephrometry score, longer warm ischemia time, and longer length of stay, but there was no increased risk of adverse outcomes. A long-term study is needed to confirm the durable renal preservation and oncologic outcomes for patients with larger tumor burden.
Full Text
http://www.sciencedirect.com/science/article/pii/S0302283812014066
DOI
10.1016/j.eururo.2012.11.031
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kwang Hyun(김광현)
Rha, Koon Ho(나군호) ORCID logo https://orcid.org/0000-0001-8588-7584
Shin, Tae Young(신태영)
Han, Sang Won(한상원) ORCID logo https://orcid.org/0000-0003-0941-1300
Han, Woong Kyu(한웅규) ORCID logo https://orcid.org/0000-0002-2527-4046
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/86873
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