Stone Attenuation and Skin-to-Stone Distance on Computed Tomography Predicts for Stone Fragmentation by Shock Wave Lithotripsy

Objectives To determine whether stone attenuation and the skin-to-stone distance (SSD) can predict for stone fragmentation by SWL independently. Identifying the factors predictive of shock wave lithotripsy (SWL) outcome would help streamline the care of patients with stones. Methods A retrospective...

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Bibliographic Details
Published in:Urology (Ridgewood, N.J.) N.J.), 2008-10, Vol.72 (4), p.765-769
Main Authors: Perks, Alexandra E, Schuler, Trevor D, Lee, Jason, Ghiculete, Daniela, Chung, Dae-Gyun, D'A Honey, R. John, Pace, Kenneth T
Format: Article
Language:English
Subjects:
Biological and medical sciences
Female
Humans
Lithotripsy
Male
Medical sciences
Middle Aged
Nephrology. Urinary tract diseases
Predictive Value of Tests
Retrospective Studies
Skin
Tomography, X-Ray Computed
Urinary Calculi - diagnostic imaging
Urinary Calculi - therapy
Urology
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Summary:Objectives To determine whether stone attenuation and the skin-to-stone distance (SSD) can predict for stone fragmentation by SWL independently. Identifying the factors predictive of shock wave lithotripsy (SWL) outcome would help streamline the care of patients with stones. Methods A retrospective review was performed of 111 patients undergoing initial SWL for a solitary, 5-20 mm, renal calculus. Stone size, location, attenuation value, and SSD were determined on pretreatment noncontrast computed tomography. The outcome was categorized as stone free, complete fragmentation
ISSN:0090-4295
1527-9995
DOI:10.1016/j.urology.2008.05.046