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- Chapter 1 General introduction and outline
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Computed tomography coronary angiography : from quantification of coronary atherosclerosis to risk stratification of patients
The objective of this dissertation was to establish the value of QCT to further enhance the clinical applicability and accuracy of coronary CTA. The automatic characterization of coronary atherosclerosis with QCT is feasible and correlates well with IVUS VH. Secondly, novel CTA risk score was created incorporating detailed information on the location, severity and composition of atherosclerosis as assessed with QCT. This CTA risk score allows accurate risk stratification of patients with suspected CAD. A drawback of coronary CTA is the fact that the hemodynamic significance of a lesion cannot be evaluated. In this thesis it was demonstrated that QCT provided better correlation with the presence of myocardial ischemia on SPECT MPI as compared to current visual assessment of coronary CTA.
With regards to the specific setting of high risk...
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The objective of this dissertation was to establish the value of QCT to further enhance the clinical applicability and accuracy of coronary CTA. The automatic characterization of coronary atherosclerosis with QCT is feasible and correlates well with IVUS VH. Secondly, novel CTA risk score was created incorporating detailed information on the location, severity and composition of atherosclerosis as assessed with QCT. This CTA risk score allows accurate risk stratification of patients with suspected CAD. A drawback of coronary CTA is the fact that the hemodynamic significance of a lesion cannot be evaluated. In this thesis it was demonstrated that QCT provided better correlation with the presence of myocardial ischemia on SPECT MPI as compared to current visual assessment of coronary CTA.
With regards to the specific setting of high risk diabetic patients without chest pain syndrome several conclusion can be derived from this thesis. First, if treated with optimal medical therapy, very few patients present with progression of myocardial ischemia. Second, the prognosis of these patients is good; the overall long-term event-rate is limited. Especially diabetic patients without CAD on coronary CTA have an excellent prognosis.
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- All authors
- Graaf, M.A. de
- Supervisor
- Bax, Jeroen J.; Jukema, J. Wouter
- Co-supervisor
- Scholte, Arthur J.
- Committee
- Lelieveldt, B.P.F.; Reiber, J.H.C.; Schalij, M.J.; Niessen, W. J.; Knuuti, J.; Geus-Oei, L.-F. de
- Qualification
- Doctor (dr.)
- Awarding Institution
- Medicine , Leiden University
- Date
- 2016-11-08
- ISBN (print)
- 9789461699398