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Kidney Stone Structural Analysis By Helical Computed Tomography (CT)

NCT00169780 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 7

Last updated 2011-12-07

No results posted yet for this study

Summary

Current practices of the diagnosis of urinary stones gives little information on the probable fragility of stones using shock wave lithotripsy (SWL), and many patients receive more SW's than is necessary to break up their stones. Indeed, some patients are treated with SWL when their stones cannot be fragmented using this technology. The investigators have ample evidence that computed tomography (CT) images of kidney stones can reveal significant internal structure in stones-structure that is likely to be useful in predicting stone fragility-but no one has explored the use of clinical helical CT for this purpose. Also, the investigators do not know the effect that the human body wall and kidney tissue will have on the resolution of kidney stone structure with helical CT.

Conditions

  • Nephrolithiasis

Interventions

RADIATION

High definition helical CT (64 head scanner)

Patients who require a CT scan for diagnostic purposes prior to kidney stone surgery will undergo a high definition helical CT rather than the standard CT scan. This high resolution scan will then be reviewed by the researchers to help determine the type of treatment needed for the kidney stone removal. The aim is to see if the higher resolution will show more of the stone "anatomy" which will help the surgeon determine if the stone will be amenable to shock wave lithotripsy or if another type of treatment would best serve the patient needs.

Sponsors & Collaborators

  • Indiana University School of Medicine

    collaborator OTHER

  • National Kidney Foundation, United States

    collaborator OTHER

  • Indiana Kidney Stone Institute

    lead OTHER

Principal Investigators

  • James Lingeman, MD · IU Health Physicians Urology

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2002-07-31
Primary Completion
2011-08-31
Completion
2011-08-31

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00169780 on ClinicalTrials.gov