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S.T.O.N.E. Nephrolithometry: Novel Surgical Classification System for Kidney Calculi

Okhunov, Zhamshid ; Friedlander, Justin I ; George, Arvin K ; Duty, Brian D ; Moreira, Daniel M ; Srinivasan, Arun K ; Hillelsohn, Joel ; Smith, Arthur D ; Okeke, Zeph

Urology (Ridgewood, N.J.), 2013-06, Vol.81 (6), p.1154-1160 [Periódico revisado por pares]

New York, NY: Elsevier Inc

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Título:
S.T.O.N.E. Nephrolithometry: Novel Surgical Classification System for Kidney Calculi
Autor: Okhunov, Zhamshid ; Friedlander, Justin I ; George, Arvin K ; Duty, Brian D ; Moreira, Daniel M ; Srinivasan, Arun K ; Hillelsohn, Joel ; Smith, Arthur D ; Okeke, Zeph
Assuntos: Adult ; Aged ; Biological and medical sciences ; Blood Loss, Surgical ; Chi-Square Distribution ; Female ; Hemorrhage - etiology ; Humans ; Kidney Calculi - classification ; Kidney Calculi - diagnostic imaging ; Kidney Calculi - surgery ; Length of Stay ; Logistic Models ; Male ; Medical sciences ; Middle Aged ; Nephrology. Urinary tract diseases ; Nephrostomy, Percutaneous - adverse effects ; Operative Time ; Predictive Value of Tests ; Sepsis - etiology ; Tomography, X-Ray Computed ; Treatment Outcome ; Urinary lithiasis ; Urology
É parte de: Urology (Ridgewood, N.J.), 2013-06, Vol.81 (6), p.1154-1160
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Objective To, first, propose a novel scoring system to standardize reporting for percutaneous nephrolithotomy because the instruments currently available to predict the percutaneous nephrolithotomy outcomes are cumbersome, not validated, and of limited clinical utility; and, second, assess and predict the stone-free rates and perioperative parameters applying S.T.O.N.E. nephrolithometry. Materials and Methods Five reproducible variables available from preoperative noncontrast-enhanced computed tomography were measured: stone size (S), tract length (T), obstruction (O), number of involved calices (N), and essence or stone density (E). Results A total of 117 patients were included. The mean score was 7.7 (range 4-11). The stone-free rate after the first procedure was 80%. There were 18 complications (21%). The most frequent complications were postoperative sepsis and bleeding. The S.T.O.N.E. score correlated with the postoperative stone-free status ( P = .001). The patients rendered stone free had statistically significant lower scores than the patients with residual stones (6.8 vs 9.7, P = .002). Additionally, the score correlated with the estimated blood loss ( P = .005), operative time ( P = .001), and length of hospital stay ( P = .001). Conclusion The novel scoring system we have presented was found to predict treatment success and the risk of perioperative complications after percutaneous nephrolithotomy. Reproducible, standardized parameters obtained from computed tomography imaging can be used for preoperative patient counseling, surgical planning, and evaluation of surgical outcomes across institutions and within medical studies.
Editor: New York, NY: Elsevier Inc
Idioma: Inglês

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S.T.O.N.E. Nephrolithometry: Novel Surgical Classification System for Kidney Calculi

Okhunov, Zhamshid ; Friedlander, Justin I ; George, Arvin K ; Duty, Brian D ; Moreira, Daniel M ; Srinivasan, Arun K ; Hillelsohn, Joel ; Smith, Arthur D ; Okeke, Zeph

New York, NY: Elsevier Inc

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