Diagnostic accuracy of cardiac computed tomography angiography for myocardial infarction

Table 1 Patient characteristics

Clinical characteristics	Patients (n = 24)
Age (yr)	65 ± 11 (40-86)
Male gender	88%
Body mass index	28.4 ± 5.3 (19.2-40.7)
Hypertension	58%
Hyperlipidemia	75%
Diabetes mellitus	37.5%
Prior tobacco use	29%
Positive family history	62.5%
Prior MI > 5 yr ago	75%
Prior PCI	21%
Prior CABG	21%
Infarct region
Anterior	9
Lateral	4
Inferior	5
Septal	7
Apical	8
Examination characteristics
Beta-blocker administration	2
Nitroglycerin administration	15
Mean heart rate	63 ± 12 bpm
Mean contrast amount	150 mL
DECT dose-length product (mGycm)	808 ± 191
DECT effective dose (mSv)	11.3 ± 2.7
Left ventricle
End diastolic volume	173 ± 60 mL
Ejection fraction	55% ± 17%

MI: Myocardial infarct; DECT: Dual energy computed tomography. PCI: Percutaneous coronary intervention; CABG: Coronary artery bypass graft.