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ISSN: 2168-9857

Medical & Surgical Urology
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Research Article

Laparoscopic Renal Cryoablation: Single Institutional Experience from South America

Andre Costa-Matos*, Marcos F. Dall’Ogllio, José Roberto Colombo Junior, Cesar Câmara, Alexandre Crippa Santana, Bruno Tiseo, Fabio Tanno and Srougi M

Division of Urology of the University of São Paulo Medical School, and Instituto do Câncer do Estado de São Paulo-SP, Brazil

*Corresponding Author:
André Costa Matos
Rua João da Silva Campos
10141815-200–Salvador–Bahia–Brasil
Tel: +55.71.9178 2312
E-mail: [email protected]

Received date May 19, 2013; Accepted date July 29, 2013; Published date July 31, 2013

Citation: Matos AC, Dall’Ogllio MF, Junior JRC, Câmara C, Santana AC, et al. (2013) Laparoscopic Renal Cryoablation: Single Institutional Experience from South America. Med Surg Urol 2:112. doi:10.4172/2168-9857.1000112

Copyright: © 2013 Matos AC, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Objective: Minimal invasive thermal ablative techniques are emerging as a viable option for patients who are not candidates for open, laparoscopic or robotic-assisted partial nephrectomy. Cryoablation is a low risk alternative with good oncologic outcomes. We present our initial experience with cryoablation for small renal masses using the laparoscopic approach.
 
Patients and Methods: We prospectively collected the perioperative data of patients undergone renal cryoablation at our institution. From May/2009 to January/2011, 41 patients with incidental small renal mass were submitted to laparoscopic cryoablation.
 
Results: The mean patient age was 58.8 years. The mean operative time was 115.4 ± 60.3 min and no patient needed blood transfusion. The mean of size tumors was 2.8 cm (1-5 cm). Intraoperative biopsies showed 27 (65%) malignant tumors, 5 (12%) oncocytomas, two (6%) angiomyolipomas 7 (17%) inconclusive. With a mean follow-up of 16 months (12-21), there were no significant differences between creatinine, estimated glomerular filtration rate and hemoglobin level before and after the procedure. There was no open conversion, kidney loss, urinary fistula, dialysis requirement or re-operations.
 
Conclusion: Laparoscopic renal cryoablation is safe, with low complication rate and short learning curve.
 

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