Impact of cardiac magnetic resonance imaging on cardiac device and surgical therapy: a prospective study

Taylor, Andrew J., Ellims, Andris, Lew, Philip J.K., Murphy, Bridie, Pally, Suzana and Younie, Sandra 2013, Impact of cardiac magnetic resonance imaging on cardiac device and surgical therapy: a prospective study, International journal of cardiovascular imaging, vol. 29, no. 4, pp. 855-864, doi: 10.1007/s10554-012-0131-4.

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Title Impact of cardiac magnetic resonance imaging on cardiac device and surgical therapy: a prospective study
Author(s) Taylor, Andrew J.
Ellims, Andris
Lew, Philip J.K.
Murphy, Bridie
Pally, Suzana
Younie, Sandra
Journal name International journal of cardiovascular imaging
Volume number 29
Issue number 4
Start page 855
End page 864
Total pages 10
Publisher Springer
Place of publication Berlin, Germany
Publication date 2013-04
ISSN 1875-8312
Keyword(s) Adult
Analysis of Variance
Cardiac Pacing, Artificial
Cardiac Surgical Procedures
Chi-Square Distribution
Cost-Benefit Analysis
Decision Support Techniques
Defibrillators, Implantable
Electric Countershock
Health Care Costs
Heart Diseases
Magnetic Resonance Imaging, Cine
Middle Aged
Pacemaker, Artificial
Patient Selection
Predictive Value of Tests
Prospective Studies
Young Adult
Summary Cardiac magnetic resonance (CMR) imaging may allow more appropriate selection of patients for cardiac device implantation and/or cardiac surgery. In this prospective observational study we evaluated the impact of CMR imaging on cardiac device and surgical therapy. All CMR examinations performed in a single centre over a 2 year period were prospectively recorded in a dedicated database under 4 clinical pathways [cardiomyopathy, viability, tumour/mass and arrythmogenic right ventricular cardiomyopathy (ARVC)]. Baseline data entered included planned cardiac device implantation and/or cardiac surgical intervention. Patients were contacted 6 months following CMR to evaluate the impact of CMR on planned therapy. Cost savings due to CMR were calculated as the number of surgical or device procedures averted following CMR scanning multiplied by their respective cost weights. Of 732 CMR examinations performed, the clinical pathway was cardiomyopathy in 488 (67 %), ARVC in 118 (16 %), viability in 92 (12 %) and tumour/mass in 34 (5 %). Six month follow-up was available in 666/732 patients. Following CMR, 56/150 (37 %) of patients with an initial plan for device implantation or cardiac surgery, did not undergo the planned intervention (P < 0.001, one-sample exact binomial test). Of 516 patients without an initial device or surgical plan, 33 (6 %) CMR resulted in device implantation or cardiac surgery (P < 0.001, Chi squared). Overall, the estimated saving due to CMR-guided management changes was AUD$737,270. CMR has a significant impact on patient management and offers potential cost savings with respect to selection of device and surgical therapy for cardiac disease.
Language eng
DOI 10.1007/s10554-012-0131-4
Field of Research 140208 Health Economics
1102 Cardiovascular Medicine And Haematology
Socio Economic Objective 920103 Cardiovascular System and Diseases
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2013, Springer
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Document type: Journal Article
Collections: Faculty of Health
Population Health
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