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Proceedings Paper

Methodology for the economic assessment of PACS
Author(s): Curtis P. Langlotz; Orit Even-Shoshan; Sridhar B. Seshadri; Inna Brikman; Sheel Kishore; Harold L. Kundel; J. Sanford Schwartz
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Paper Abstract

Most economic studies of Picture Archiving and Communications Systems (PACS) to date, including our own, have focused on the perspective of the radiology department and its direct costs. However, many researchers have suggested additional cost savings that may accrue to the medical center as a whole through increased operational capacity, fewer lost images, rapid simultaneous access to images, and other decreases in resource utilization. We describe here a new economic analysis framework we have developed to estimate these potential additional savings. Our framework is comprised of two parallel measurement methods. The first method estimates the cost of care actually delivered through online capture of charge entries from the hospital's billing computer and from the clinical practices' billing database. Multiple regression analyses will be used to model cost of care, length of stay, and other estimates of resource utilization. The second method is the measurement of actual resource utilization, such as technologist time, frequency and duration of film searches, and equipment utilization rates. The costs associated with changes in resource use will be estimated using wage rates and other standard economic methods. Our working hypothesis is that, after controlling for the underlying clinical and demographic differences among patients, patients imaged using a PACS will have shorter lengths of stay, shorter exam performance times, and decreased costs of care. We expect our analysis framework to explain and resolve some of the conflicting views of the cost-effectiveness of PACS.

Paper Details

Date Published: 15 May 1994
PDF: 9 pages
Proc. SPIE 2165, Medical Imaging 1994: PACS: Design and Evaluation, (15 May 1994); doi: 10.1117/12.174348
Show Author Affiliations
Curtis P. Langlotz, Univ. of Pennsylvania (United States)
Orit Even-Shoshan, Univ. of Pennsylvania (United States)
Sridhar B. Seshadri, Univ. of Pennsylvania (United States)
Inna Brikman, Univ. of Pennsylvania (United States)
Sheel Kishore, Univ. of Pennsylvania (United States)
Harold L. Kundel, Univ. of Pennsylvania (United States)
J. Sanford Schwartz, Univ. of Pennsylvania (United States)


Published in SPIE Proceedings Vol. 2165:
Medical Imaging 1994: PACS: Design and Evaluation
R. Gilbert Jost, Editor(s)

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