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IMPACT OF COMPUTED TOMOGRAPHY CORONARY ANGIOGRAPHY ON OTHER DIAGNOSTIC TESTS

Published online by Cambridge University Press:  12 October 2012

Elena Berti ,
Laura Maria Beatrice Belotti ,
Filippo Cademartiri ,
Tiziana Giovannini ,
Rossana De Palma  and
Roberto Grilli
Elena Berti
Affiliation:
Agenzia Sanitaria e Sociale Regionale - Regione Emilia-Romagna (ASSR-RER) e-mail: eberti@regione.emilia-romagna.it
Laura Maria Beatrice Belotti
Affiliation:
Agenzia Sanitaria e Sociale Regionale - Regione Emilia-Romagna (ASSR-RER)
Filippo Cademartiri
Affiliation:
Azienda Ospedaliero-Universitaria, Parma
Tiziana Giovannini
Affiliation:
Agenzia Sanitaria e Sociale Regionale - Regione Emilia-Romagna (ASSR-RER)
Rossana De Palma
Affiliation:
Agenzia Sanitaria e Sociale Regionale - Regione Emilia-Romagna (ASSR-RER)
Roberto Grilli
Affiliation:
Agenzia Sanitaria e Sociale Regionale - Regione Emilia-Romagna (ASSR-RER)
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Abstract

Objectives: Information on the impact of computed tomography coronary angiography (CTCA) on patterns of care is scarce. In particular, it is not clear if, and to what extent, its adoption actually leads to a reduction in the use of other diagnostics tools. The aim of this study was to evaluate whether the adoption of CTCA in Emilia-Romagna (an Italian region with a population of 4.4 million) had any effect on utilization rates of myocardial perfusion scintigraphy (MPS) and coronary angiography (CA).

Methods: Interrupted time series (ITS) were applied to monthly volumes of MPS and CA tests performed from 2003 to 2010, to assess trends in usage rates for those procedures before and after CTCA was adopted by all the healthcare organizations operating in the region.

Results: After an increase in the first year of CTCA introduction, its use remained stable over the study period. After September 2006, a significant decrease in MPS volumes (31 percent; p < .0001) and a much less tangible decrease in CA volumes (5 percent; p < .0001), were detected by ITS analyses.

Conclusions: This study demonstrates that the use of CTCA had a greater impact on MPS usage rates than on CA.

Keywords

Multislice computed tomographyCoronary angiographyMyocardial perfusion imagingIschemic heart disease
Type
ASSESSMENTS
Information
International Journal of Technology Assessment in Health Care , Volume 28 , Issue 4 , October 2012 , pp. 424 - 428
Copyright
Copyright © Cambridge University Press 2012

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