Prognostic Impact of Stone-Scoring Systems After Percutaneous Nephrolithotomy for Staghorn Calculi: A Single Center's Experience Over 10 Years

被引:16
作者
Choi, Sae Woong [1 ]
Bae, Woong Jin [1 ]
Hong, Sung-Hoo [1 ]
Lee, Ji Youl [1 ]
Kim, Sae Woong [1 ]
Cho, Hyuk Jin [1 ]
机构
[1] Catholic Univ Korea, Seoul St Marys Hosp, Dept Urol, Coll Med, 222 Banpo Daero, Seoul 06591, South Korea
关键词
SURGICAL CLASSIFICATION-SYSTEM; CLINICAL-RESEARCH OFFICE; RENAL-CALCULI; VALIDATION; GUYS; COMPLICATIONS; UROLITHIASIS; MORBIDITY; CRITERIA; OUTCOMES;
D O I
10.1089/end.2016.0188
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Introduction: To investigate the prognostic factors associated with stone-free rate (SFR) and complications after percutaneous nephrolithotomy (PCNL) for the treatment of staghorn stone and to compare the predictive value and accuracy of three stone-scoring systems for the treatment success of staghorn stone. Patients and Methods: We retrospectively reviewed all patients undergoing PCNL at our center from June 2003 to June 2014. On the basis of noncontrast computed tomography (NCCT) scan images, we calculated Guy's score, S.T.O.N.E. nephrolithometry, and Clinical Research Office of the Endourological Society (CROES) nomogram to assess the association with stone-free status and complications. For statistical evaluation, univariate and multivariate logistic regression analyses were used. Results: During the study period, 886 cases had medical records available. Cases who underwent PCNL for the treatment of staghorn calculi accounted for 34.4% (305/886 cases). Preoperative NCCT was performed in 217 cases. The 217 procedures (205 patients, 12 simultaneous bilateral PCNLs) had a mean stone size of 1358.3 +/- 760.7 mm(2), with 111 (51.2%) partial staghorn and 106 (48.8%) complete staghorn stones. The initial and overall SFRs of PCNL were 53.9% and 70.1%, respectively. The overall complication rate was 32.7% (71/217 cases). On a multivariate logistic regression analysis, independent predictors for SFR were number of involved calices, S.T.O.N.E. nephrolithometry, and pre-existent urinary tract infection (UTI) (odds ratios [ORs] = 1.311, 1.933, and 2.340, respectively). Stone burden was an independent risk factor for the development of complications on multivariate analysis (OR = 2.846 and p = 0.001). Conclusion: The results of this study show that multiple involved calices, high grades of S.T.O.N.E. nephrolithometry, and pre-existent UTIs were associated with lower SFR after PCNL for staghorn calculi. Stone burden was an independent risk factor for the development of complications.
引用
收藏
页码:975 / 981
页数:7
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