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Erschienen in:
01.02.2014 | Original Article
Open versus laparoscopic partial nephrectomy for clinical T1a renal masses: a matched-pair comparison of 280 patients with TRIFECTA outcomes (RECORd Project)
Erschienen in: World Journal of Urology | Ausgabe 1/2014
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Aim of the study
To report a matched-pair comparative analysis between open (OPN) and laparoscopic partial nephrectomy (LPN) for clinical (c) T1a renal masses from a large prospective multicenter dataset.
Materials and methods
The RECORd Project includes all patients who underwent OPN and LPN for kidney cancer between January 2009 and January 2011 at 19 Italian centers. Open and laparoscopic groups were compared regarding clinical, surgical, pathologic, functional results and TRIFECTA outcome. Multivariable logistic regression models were used to analyze predictors of WIT >25 min, surgical complications (SC) and the achievement of the TRIFECTA outcome.
Results
Overall, 301 patients had OPN and 149 LPN. Groups were matched 1:1 (140 matched pairs) for clinical diameter, tumor location and type of indication. Laparoscopic partial nephrectomy was associated with a significantly mean longer WIT (19.9 vs. 15.1 min; p < 0.001), and it was an independent predictor of a WIT >25 min (RR 6.29, p < 0.0001). The TRIFECTA was achieved in 78.6 and 74.3 % after OPN and LPN (p = ns), respectively, and the surgical approach was not a predictor of a negative TRIFECTA and SC at multivariable analysis. At 6-month follow-up, no significant differences were observed between the OPN and LPN group both in estimated glomerular filtration rate (eGFR) (∆GFR 1.1 vs. 4.1 mL/min) and in new-onset stage III–V chronic kidney disease (CKD) rate (0 vs. 0.7 %).
Conclusion
No significant difference in achieving the TRIFECTA outcome was reported after OPN and LPN. LPN was associated with a significantly longer WIT. However, eGFR at 6-month follow-up did not differ significantly between the two surgical approaches.