Top

Published in:

01-12-2023 | Research

Predicting the outcome of mini percutaneous nephrolithotomy using STONE nephrolithometry score—a single-center experience

Authors: Bidhan Sigdel, Samir Shrestha, Pukar Maskey

Published in: Urolithiasis | Issue 1/2023

Abstract

To predict stone-free and complication rates following mini-percutaneous nephrolithotomy (m-PCNL) using STONE nephrolithometry score, this prospective observational study was conducted in the Department of Surgery, Urology Unit, Patan Hospital. All the patients undergoing m-PCNL were included. The cases were performed in the prone position, a single tract less than 18 French was made, and pneumatic lithotripsy was done. Stone-free rates were assessed with plain X-ray kidney, ureter, and bladder (X-ray KUB) on the first post-operative day or at 15 days follow-up. Complications within 30 days were graded using modified Clavien grading. A total of 106 patients were included in the final analysis. The overall stone-free rate was 83%. Among the individual variables, only staghorn calculus was associated with residual stone (p = 0.007). Patients who were rendered stone-free had statistically significantly lower STONE scores than those with residual stone (p < 0.001). The complication rate was 23%, and the majority were Clavien grade I complications. A higher STONE score had a greater risk of having complications but was not statistically significant (p = 0.11). STONE nephrolithometry score can predict stone complexity pre-operatively and subsequent stone-free status and thus, helps in pre-operative surgical planning and counseling for possible outcomes following m-PCNL.

Turk C, Petrik A, Sarica K, Seitz C, Skolarikos A, Straub M et al (2016) EAU guidelines on interventional treatment for urolithiasis. Eur Urol 69(3):475–482. https://doi.org/10.1016/j.eururo.2015.07.041CrossRefPubMed

Preminger GM, Assimos DG, Lingeman JE, Nakada SY, Pearle MS, Wolf JS Jr et al (2005) AUA guideline on management of staghorn calculi: diagnosis and treatment recommendations. J Urol 173(6):1991–2000. https://doi.org/10.1097/01.ju.0000161171.67806.2aCrossRefPubMed

Thapa BB, Niranjan V (2020) Mini PCNL over standard PCNL: what makes it better? Surg J (N Y) 6(1):e19–e23. https://doi.org/10.1055/s-0040-1701225CrossRefPubMed

Labadie K, Okhunov Z, Akhavein A, Moreira DM, Moreno-Palacios J, Del Junco M et al (2015) Evaluation and comparison of urolithiasis scoring systems used in percutaneous kidney stone surgery. J Urol 193(1):154–159. https://doi.org/10.1016/j.juro.2014.07.104CrossRefPubMed

Kumsar S, Aydemir H, Halis F, Kose O, Gokce A, Adsan O (2015) Value of preoperative stone scoring systems in predicting the results of percutaneous nephrolithotomy. Cent Eur J Urol 68(3):353–357. https://doi.org/10.5173/ceju.2015.552CrossRef

Okhunov Z, Friedlander JI, George AK, Duty BD, Moreira DM, Srinivasan AK et al (2013) S.T.O.N.E. nephrolithometry: novel surgical classification system for kidney calculi. Urology 81(6):1154–1159. https://doi.org/10.1016/j.urology.2012.10.083CrossRefPubMed

Akhavein A, Henriksen C, Syed J, Bird VG (2015) Prediction of single procedure success rate using S.T.O.N.E. nephrolithometry surgical classification system with strict criteria for surgical outcome. Urology 85(1):69–73. https://doi.org/10.1016/j.urology.2014.09.010CrossRefPubMed

Noureldin YA, Elkoushy MA, Andonian S (2015) External validation of the S.T.O.N.E. nephrolithometry scoring system. Can Urol Assoc J 9(5–6):190–195. https://doi.org/10.5489/cuaj.2652CrossRefPubMedPubMedCentral

Farhan M, Nazim SM, Salam B, Ather MH (2015) Prospective evaluation of outcome of percutaneous nephrolithotomy using the ‘STONE’ nephrolithometry score: a single-centre experience. Arab J Urol 13(4):264–269. https://doi.org/10.1016/j.aju.2015.07.006CrossRefPubMedPubMedCentral

10.

de la Rosette JJ, Opondo D, Daels FP, Giusti G, Serrano A, Kandasami SV et al (2012) Categorisation of complications and validation of the Clavien score for percutaneous nephrolithotomy. Eur Urol 62(2):246–255. https://doi.org/10.1016/j.eururo.2012.03.055CrossRefPubMed

11.

de la Rosette J, Assimos D, Desai M, Gutierrez J, Lingeman J, Scarpa R et al (2011) The clinical research office of the endourological society percutaneous nephrolithotomy global study: indications, complications, and outcomes in 5803 patients. J Endourol 25(1):11–17. https://doi.org/10.1089/end.2010.0424CrossRefPubMed

12.

el-Nahas AR, Eraky I, Shokeir AA, Shoma AM, el-Assmy AM, el-Tabey NA et al (2012) Factors affecting stone-free rate and complications of percutaneous nephrolithotomy for treatment of staghorn stone. Urology 79(6):1236–1241. https://doi.org/10.1016/j.urology.2012.01.026CrossRefPubMed

13.

Zhu Z, Wang S, Xi Q, Bai J, Yu X, Liu J (2011) Logistic regression model for predicting stone-free rate after minimally invasive percutaneous nephrolithotomy. Urology 78(1):32–36. https://doi.org/10.1016/j.urology.2010.10.034CrossRefPubMed

14.

Labate G, Modi P, Timoney A, Cormio L, Zhang X, Louie M et al (2011) The percutaneous nephrolithotomy global study: classification of complications. J Endourol 25(8):1275–1280. https://doi.org/10.1089/end.2011.0067CrossRefPubMed

Title: Predicting the outcome of mini percutaneous nephrolithotomy using STONE nephrolithometry score—a single-center experience
Authors: Bidhan Sigdel
Samir Shrestha
Pukar Maskey
Publication date: 01-12-2023
Publisher: Springer Berlin Heidelberg
Published in: Urolithiasis / Issue 1/2023
Print ISSN: 2194-7228
Electronic ISSN: 2194-7236
DOI: https://doi.org/10.1007/s00240-022-01379-2

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Predicting the outcome of mini percutaneous nephrolithotomy using STONE nephrolithometry score—a single-center experience

Abstract

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Please log in to get access to this content

Other articles of this Issue 1/2023

Can radiological scores predict difficulties in removal of encrusted ureteral stents?

A prospective evaluation of patient-reported outcomes during follow-up of ureteral stones managed with medical expulsive treatment (MET)

Professor Fazil Marickar (12 November 1948–22 March 2023)

Practices and utility of imaging among urological communities for urolithiasis, observations, and inferences from a targeted survey

Calculus anuria: a urological emergency with an excellent outcome

Efficiency and safety of quadratus lumborum block in percutaneous nephrolithotomy: a meta-analysis of randomized controlled studies