Seven years after laparoscopic radical nephrectomy: oncologic and renal functional outcomes

Jose R Colombo, Georges-Pascal Haber, John E Jelovsek, Brian Lane, Andrew C Novick, Inderbir S Gill
Urology 2008, 71 (6): 1149-54

OBJECTIVES: To compare the long-term oncologic and renal function outcomes in patients undergoing laparoscopic (LRN) versus open radical nephrectomy (ORN).

METHODS: The medical records of 116 patients undergoing radical nephrectomy for pathologically confirmed renal cell carcinoma before January 2000 were reviewed. Of these 116 patients, 63 underwent LRN and 53 ORN. The oncologic and renal functional data were obtained from the patient charts, radiographic reports, and direct telephone calls to the patients or their families.

RESULTS: The median follow-up was 65 months (range 19 to 92) in the LRN group and 76 months (range 8 to 105) in the ORN group. LRN was successfully completed in all patients without open conversion. The mean tumor size was 5.4 cm in the LRN group and 6.4 cm in the ORN group (P = 0.007). The 5-year overall survival (78% versus 84%, respectively; P = 0.24), cancer-specific survival (91% versus 93%, respectively; P = 0.75), and recurrence-free survival (91% versus 93%, respectively; P = 0.75) rates were similar between the LRN and ORN groups. At 7 years, the overall survival (72% versus 84%; P = 0.24), cancer-specific survival (91% versus 93%; P = 0.75), and recurrence-free survival (91% versus 93%; P = 0.75) rates were also comparable. No port site recurrence was noted in the laparoscopic group. The long-term renal function outcomes were similar in the LRN and ORN groups, with serum creatinine increasing by 33% and 25%, and the estimated creatinine clearance decreasing by 31% and 23% from baseline, respectively. Chronic renal insufficiency developed in 4% of patients in each group.

CONCLUSIONS: The results of our study have shown that LRN and ORN have comparable long-term oncologic and renal functional outcomes.

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