Evaluation of teleradiology for interpretation of intravenous urograms |
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Authors: | Ethan J. Halpern MD Jeffrey H. Newhouse E. Stephen Amis Herman W. Lubetsky Robert M. Jaffe Peter D. Esser Philip O. Alderson |
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Affiliation: | Department of Radiology, Columbia Presbyterian Medical Center, New York, NY. |
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Abstract: | The diagnostic yield of a commercial teleradiology/picture archiving and communication system (ATT-Philips Comm View T/PACS) was evaluated for 100 urograms. A single image from each examination was digitized (2048 x 1684 x 12-bit pixels) and transmitted from a satellite hospital over a T-1 line using the T/PACS system. The video display of each digitized image was reviewed independently by four radiologists. The same four radiologists reviewed the original film images at a different time without knowledge of their T/PACS interpretation. There was no statistically significant difference in the sensitivity for clinical findings between T/PACS (86%) and film (89%). The false positive rate, however, was significantly higher with T/PACS than with film (44 versus 32 false positive findings per 100 films). We conclude that T/PACS of the type studied here demonstrates sufficient sensitivity for the detection of clinically important urographic findings in the emergency setting. A final reading of the original films is still necessary, however, to assure appropriate specificity. |
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