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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Veröffentlicht in:	Urology (Ridgewood, N.J.) N.J.), 2008-10, Vol.72 (4), p.765-769
Hauptverfasser:	Perks, Alexandra E, Schuler, Trevor D, Lee, Jason, Ghiculete, Daniela, Chung, Dae-Gyun, D'A Honey, R. John, Pace, Kenneth T
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Zusammenfassung:	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