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Published online before print April 18, 2006, 10.1148/radiol.2393050446
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(Radiology 2006;239:863-868.)
© RSNA, 2006

Technical Developments

Multiple-Image In-Room CT Imaging Guidance for Interventional Procedures1

Milliam Lika Kataoka, MD, PhD, Vassilios D. Raptopoulos, MD, Pei-Jan Paul Lin, PhD, Bettina Siewert, MD, S. Nahum Goldberg, MD and Jonathan B. Kruskal, MD, PhD

1 From the Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Boston, MA 02215. Received March 15, 2005; revision requested May 4; revision received June 29; final version accepted August 2. M.L.K. and V.D.R supported by grants from Toshiba Medical Systems. Address correspondence to V.D.R. (e-mail: vraptopo{at}bidmc.harvard.edu).

This HIPAA-compliant study was approved by the institutional review board; informed consent was not required. The purpose of this study was to retrospectively compare room use time for interventional procedures performed with multiple-image multi–detector row computed tomographic (CT) fluoroscopy (n = 196) and single-image spiral CT fluoroscopy (n = 175). There was no statistically significant difference in age, sex, or procedural type between the two groups. The median room use time was 90 minutes (interquartile range, 65–120 minutes) for the single-image technique and 75 minutes (interquartile range, 60–105 minutes) for the multiple-image technique. A two-sample t test with equal variance assumption on the log-transformed data showed a statistically significant difference in log time (P < .001) between the two groups. This time savings could potentially have a substantial clinical effect on resource use and patient throughput.

© RSNA, 2006






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