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Updated in 3/9/2023 1:59:25 AM      Viewed: 50 times      (Journal Article)
International braz j urol : official journal of the Brazilian Society of Urology 41 (3): 496-502 (2015)

Percutaneous nephrolithotomy in patients with solitary kidney: a critical outcome analysis.

Fabio C M Torricelli , Guilherme P Padovani , Giovanni S Marchini , Fabio C Vicentini , Alexandre Danilovic , Sabrina T Reis , Miguel Srougi , Eduardo Mazzucchi
ABSTRACT
To describe our experience with percutaneous nephrolithotomy (PCNL) in patients with solitary kidneys and analyze factors that can impact on intra-operative bleeding and postoperative complications.We reviewed our stone database searching for patients with solitary kidney who underwent PCNL from Jan-05 through Oct-13. Demographic data, stone characteristics, and intra- and postoperative outcomes were recorded. Spearman correlation was performed to assess which variables could impact on bleeding and surgical complications. Linear and logistic regressions were also performed.Twenty-seven patients were enrolled in this study. The mean age and BMI were 45.6 years and 28.8Kg/m(2), respectively; 45% of cases were classified as Guys 3 (partial staghorn or multiple stones) or 4 (complete staghorn) - complex cases. Stone-free rate was 67%. Eight (29.6%) patients had postoperative complications (five of them were Clavien 2 and three were Clavien 3). On univariate analysis only number of tracts was associated with increased bleeding (p=0.033) and only operative time was associated with a higher complication rate (p=0.044). Linear regression confirmed number of access tracts as significantly related to bleeding (6.3, 95%CI 2.2-10.4; p=0.005), whereas logistic regression showed no correlation between variables in study and complications.PCNL in solitary kidneys provides a good stone-free rate with a low rate of significant complications. Multiple access tracts are associated with increased bleeding.
DOI: 10.1590/S1677-5538.IBJU.2014.0343      ISSN: 1677-5538