• J Coll Physicians Surg Pak · Mar 2021

    Comparison of Guy's, S.T.O.N.E. and CROES Scoring Systems for Predicting Percutaneous Nephrolithotomy Outcomes in Eldery Patients.

    • Salih Polat, Serkan Yarimoglu, Omer Koras, Murat Sahan, Ertugrul Sefik, Ibrahim Halil Bozkurt, and Tansu Degirmenci.
    • Department of Urology, Faculty of Medicine, Amasya University, Turkey.
    • J Coll Physicians Surg Pak. 2021 Mar 1; 31 (3): 307-313.

    ObjectiveTo evaluate the efficacy and reliability of Guy's (GSS), S.T.O.N.E., and CROES scoring systems developed to predict percutaneous nephrolithotomy (PCNL) outcomes in aged patients. Study Design: Descriptive study.Place And Duration Of StudyDepartment of Urology, Ministry of Health University Izmir Bozyaka Training and Research Hospital and Department of Urology, Faculty of Medicine, Amasya University, Turkey, from April 2011 to January 2020.MethodologyPatients aged 65 years and over, who underwent PCNL for kidney stones, were retrospectively analysed. The patients' clinical and perioperative characteristics and the radiological features of the stones were obtained from the prospectively recorded data. GSS, S.T.O.N.E. and CROES nephrolithometry scores were calculated for each patient and their relation with stone-free status, complications, and perioperative findings were analysed.ResultsA total of 147 patients were included in the study. Stone-free status was achieved in 76.0% of the patients, and complications developed in 27.2%. All three scoring systems were associated with stone-free status and complication development. GSS (OR=0.213,p=0.005) and S.T.O.N.E. (OR=0.601, p=0.042) scores were detected as independent markers for stone-free status, while the CROES score was not an independent marker. Only diabetes mellitus was determined to be an independent marker for the development of complications (OR=2.375, p=0.045).ConclusionPCNL is an effective and safe treatment method with high stone-free rates in the treatment of large renal stones, but care should be taken in terms of cardiac risks. The results of this study showed that GSS and S.T.O.N.E. scoring systems were effective and reliable in predicting stone-free status. Key Words: Aged, Nephrolithotomy, Percutaneous, Comorbidity, Stone-free status, Treatment outcome, Complications, Scoring systems.

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