atypical or typical complaints of angina pectoris with no previous cardiovascular medical history low to intermediate risk for atherosclerosis referred for coronary CTA to rule out CAD
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: no previous cardiovascular history atypical or typical complaints of angina patient aged older than 18 and competent Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 195 F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range 195
Exclusion criteria
Exclusion criteria: contraindications for cCTA (inability to perform a breath hold for at least expected scan time, unstable angina, hemodynamic instability, history of CAD, pregnancy, renal insufficiency defined as GFR <45 ml/min, iodine allergy) unable to give informed consent or no informed consent obtained inability to position an 18G cannula in an antecubital vein
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Main Objective: To evaluate intravascular contrast enhancement and image quality in coronary CTA using different iodine concentrations ranging form 240 to 370 mg iodine per ml, administered with an identical IDR.;Secondary Objective: To describe the effect of iodine concentration on contrast bolus characteristics, e.g. time to peak, bolus homogeneity and injection pressure.;Primary end point(s): Sufficient diagnostic intravascular enhancement after using lower concentrated contrast media.;Timepoint(s) of evaluation of this end point: As soon as all necessary data are included. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary end point(s): Equal or better bolus homogeneity, time-to-peak and pressure curve during injection.;Timepoint(s) of evaluation of this end point: As soon as all necessary data are included. | — |
Countries
Netherlands
Contacts
Maastricht University Medical Centre