The Cost effectiveness of digital subtraction angiography in the diagnosis of cerebrovascular disease
In the case study, a single category of clinical problems where digi- tal subtraction angiography (Dsa) Is in use on a broad scale, cere- brovascular diseases, is selected as the context within which the cost effectiveness of dsa is explored. The intention of the study is to present a careful description of the current and potential appli- cation of dsa within the area of diagnostic radiology concerned with cerebrovascular disease and to suggest the implication of the techno- logy for patterns of clinical practice and patient care costs under different assumptions.
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50 percent accuracy Advantages of DSA analysis of DSA angiogram aortic coarctation arterial stenosis arteriogram Arteriography Charges associated atherosclerosis billed charges blood vessels carotid artery disease cerebrovascular disease charges per lesion clinicians colleagues 24 contrast medium conventional arteriography Cost Effectiveness cost-effectiveness analysis costs of DSA current volume Detmer and colleagues diag diagnosis of carotid Diagnosis of Cerebrovascular diagnostic imaging Digital Subtraction Angiography DSA equipment DSA ex DSA examinations DSA unit Effectiveness of Digital Effectiveness of DSA efficacy of DSA estimated evaluation extracranial followed by arteriography Freedman 33 Hospital injection lesion found medical centers medical technol Medical Technology morbidity neurological neurologist nology noninvasive tests number of patients Office of Technology ography operating OTA’s patient examined patterns physician procedures performed radiation exposure radiologists scan screening specific stroke subtraction angiography DSA surgery Table tech techniques Technology Assessment TIAs tion tional arteriography transient ischemic attacks vascular disease Washington Yield Rates
Page 48 - Risk: A measure of the probability of an adverse or untoward outcome and the severity of the resultant harm to health of individuals in a defined population and associated with use of a medical technology applied for a given medical problem under specified conditions of use. Safety: A judgment of the acceptability of risk in a specified situation.
Page iv - Government Printing Office, Washington, DC, 20402, and by the National Technical Information Service, 5285 Port Royal Rd., Springfield, VA, 22161. Call OTA's Publishing Office (224-8996) for availability and ordering information. ''Original publication numbers appear in parentheses. c The first 17 cases in the series
Page 19 - the probability of benefit to individuals in a defined population from a medical technology applied for a given medical problem under ideal conditions of use
Page 48 - Efficacy: The probability of benefit to individuals in a defined population from a medical technology applied for a given medical problem under ideal conditions of use.
Page 20 - defined as: . . . the probability of an adverse or untoward outcome occurring and the severity of the resultant harm to health of individuals in a defined population associated with use of a medical technology applied for a given medical problem under specified conditions
Page v - 1984 Roger Herdman, Assistant Director, OTA Health and Life Sciences Division Clyde J. Behney, Health Program Manager Anne Kesselman Burns, Project Director
Page 45 - and Health Program Advisory Committee The development of this case study was greatly aided by the advice of a number of people. The authors and OTA staff would like to express their appreciation to the Medical Technology and Costs of the Medicare Program Advisory
Page 1 - OTA Note These case studies are authored works commissioned by OTA. Each author is responsible for the conclusions of specific case studies. These cases are not statements of official OTA position. OTA does not make recommendations or endorse particular technologies. During the various stages of review and revision, therefore, OTA encouraged the authors to present balanced information and to recognize divergent points of view. Introduction and
Page 45 - of Neurological and Communicative Disorders and Stroke National Institutes of Health Bethesda, MD