Feasibility of Peak Enhancement Ratio of Myocardium to Aorta for Identification of Myocardial Ischemia using Dynamic Myocardial Computed Tomography Perfusion Imaging

Feasibility of Peak Enhancement Ratio of Myocardium to Aorta for Identification of Myocardial Ischemia using Dynamic Myocardial Computed Tomography Perfusion Imaging - Feasibility of Peak Enhancement Ratio of Myocardium to Aorta for Identification of Myocardial Ischemia

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000019509

Enrollment

Registered

2015-11-15

Start date

2011-04-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

coronary artery disease

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who underwent retrospective adenosine triphosphate (ATP)-loaded dynamic CTP and cardiac MRI within 30 days

Exclusion criteria

Exclusion criteria: (1) acute/old myocardial infarction (clinical information), (2) cardiomyopathy, (3) severe LV dysfunction (ejection fraction <20%), (4) chronic atrial fibrillation, (5) greater than first degree atrioventricular block, (6) left complete bundle branch block, (7) valvular heart disease, (8) history of percutaneous coronary intervention and coronary artery bypass graft, (9) patients having unrecognized myocardial infarction assessed by MR-late gadolinium enhancement (LGE).

Design outcomes

Primary

Measure	Time frame
Diagnostic accuracy (sensitivity, specificity, positive predictive value, negative predictive value) of peak enhancement ratio of myocardium to aorta for the identification of myocardial ischemia	—

Secondary

Measure	Time frame
Correlation for peak enhancement values between myocardium and the ascending aorta	—

Countries

Japan

Contacts

Public ContactYuki Tanabe

Ehime University Graduate School of Medicine Department of Radiology

yuki.tanabe.0225@gmail.com089-960-5371

Outcome results