Performance of a teleradiology medical doctor's workstation supported by N-ISDN

Robert A. Whitman, G. James Blame, R. Gilbert Jost, Matthew J. Orland, Tina M. Sigarto, Stephen M. Moore, Thomas R. Leith, David E. Beecher, Barrett R. Madden

Research output: Contribution to journalConference articlepeer-review

Abstract

Delivery of radiology information to referring physician's offices has long been a major focus of telemedicine efforts. Narrow-band Integrated Services Digital Networking (N-ISDN) has been an especially attractive infrastructure for supporting teleradiology because of its relatively low cost and a forecast of widespread availability. Unfortunately, attempts to support a N-ISDN workstation have been hampered by cumbersome software and expensive hardware requirements. This paper describes deployment of a Medical Doctor's Workstation (MDWS) hosting access to the Institute's radiology image and information system testbed. On-line acquisition of CT, MR and CR images for the physician's patients was supported. JPEG-compressed images reduced image data communications requirements by a factor of ten. Image interpretation at the remote site was supported by access to on-line radiology reports. The communications link to the MDWS was provided by a pair of Combinet ethernet-to-ISDN bridges interfaced to a basic rate (two B channel) ISDN line. Results of two successive trials in a referring physician's office are reported, along with the steps taken to improve limitations identified by the system's user.

Original languageEnglish
Pages (from-to)262-270
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume2165
DOIs
StatePublished - May 15 1994
EventMedical Imaging 1994: PACS: Design and Evaluation - Newport Beach, United States
Duration: Feb 13 1994Feb 18 1994

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