| Hounsfield unit density accurately predicts ESWL success. | |
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MedLine Citation:
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PMID: 16459477 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Extracorporeal shockwave lithotripsy (ESWL) is a commonly used non-invasive treatment for urolithiasis. Helical CT scans provide much better and detailed imaging of the patient with urolithiasis including the ability to measure density of urinary stones. In this study we tested the hypothesis that density of urinary calculi as measured by CT can predict successful ESWL treatment. 198 patients were treated at Alaska Urological Associates with ESWL between January 2002 and April 2004. Of these 101 met study inclusion with accessible CT scans and stones ranging from 5-15 mm. Follow-up imaging demonstrated stone freedom in 74.2%. The overall mean Houndsfield density value for stone-free compared to residual stone groups were significantly different ( 93.61 vs 122.80 p < 0.0001). We determined by receiver operator curve (ROC) that HDV of 93 or less carries a 90% or better chance of stone freedom following ESWL for upper tract calculi between 5-15mm. |
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Authors:
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William J Magnuson; Kevin M Tomera; Raymond S Lance |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Alaska medicine Volume: 47 ISSN: 0002-4538 ISO Abbreviation: Alaska Med Publication Date: 2005 Jul-Sep |
Date Detail:
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Created Date: 2006-02-07 Completed Date: 2006-02-28 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370457 Medline TA: Alaska Med Country: United States |
Other Details:
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Languages: eng Pagination: 6-9 Citation Subset: IM |
Affiliation:
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Alaska Urological Associates, 1200 Airport Heights, Suite 101, Anchorage, AK 99508, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Alaska Cohort Studies Conscious Sedation Female Fluoroscopy Follow-Up Studies Humans Lithotripsy / adverse effects, methods* Male Middle Aged Pain Measurement Patient Selection ROC Curve Retrospective Studies Risk Assessment Severity of Illness Index Treatment Outcome Urinary Calculi / diagnosis*, therapy* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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