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Supracostal punctures in supine percutaneous nephrolithotomy are safe
Division of Urology, Department of Surgery, University of Sāo Paulo Medical School, Sāo Paulo, Brazil
Apr  2017 (Vol.  24, Issue  2, Pages( 8749 - 8753)
PMID: 28436363


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    The feasibility and safety of supracostal punctures in supine percutaneous nephrolithotomy (PCNL) are still controversial. In this study we aim to compare success and complication rates from prone and supine PCNL with at least one supracostal puncture.


    We reviewed our electronic database for all supracostal PCNLs performed in our institution from February 2008 to September 2013. Patients were enrolled in the study if at least one supracostal puncture was required during surgery. Patients? demographics data, stone characteristics, intra and postoperative data, and success on first postoperative day CT were compared.


    A total of 132 procedures were included in the analysis. Twenty-eight PCNLs were performed in supine position (21.2%), while 104 were done in prone position (78.8%). Patient?s demographics and distribution of stones based on Guy?s Score were similar between groups. Mean operative time and blood transfusion rate were not statistically different. There was no significant difference in the success rate (63.5% prone versus 71.4% supine, p = 0.507). Major complication rate (Clavien ≥ 3) was 16.3% in the prone group versus 3.6% in the supine group (p = 0.119).


    Supracostal punctures are safe and feasible in supine PCNL. It does not add additional risks and might provide equivalent success rates when compared to prone PCNLs.