Skip to main content

Table 1 Myocardial computed tomography perfusion raw data acquisition protocol

From: Myocardial CT perfusion imaging for the detection of obstructive coronary artery disease: multisegment reconstruction does not improve diagnostic performance

  Primary study
Parameter CORE320 [24] CARS-320 [22]
Tube voltage (kV) 120 120
Tube current (mA)   
 Body mass indexa   
  Women   
   ≤ 20 270 200
   20 ≤ 25 300 250
   25 ≤ 30 300 300
   30 ≤ 33 300 350
   33 ≤ 36 300 400
   36 ≤ 40 300 450
  Men   
   ≤ 20 300 250
   20 ≤ 25 350 300
   25 ≤ 30 350 350
   30 ≤ 33 350 400
   33 ≤ 36 350 450
   36 ≤ 40 350 500
ECG-gated tube current modulation off off
Target of acquisition window (%) 85 85
Acquisition window (%) 20 20
Contrast agent   
 Volume (mL), (flow [mL/s])   
  Weight   
   < 60 kg 50 (4.0) 50 (4.0)
   60 ≤ 70 kg 60 (4.5) 60 (5.0)
   70 ≤ 80 kg 60 (5.0) 60 (5.0)
   80 ≤ 100 kg 60 (5.0) 70 (5.0)
   > 100 kg 70 (5.0) 70 (5.0)
Acquisition kick-off (bolus tracking) 300 HU in the descending aorta 200 HU in the descending aorta
Number of scanned segments   
 Heart rate (beats per minute)  
  < 65 1 1
  65 ≤ 80 2 2
  80 ≤ 118 2 3
  118 ≤ 155 2 4
Temporal order of CTP imaging Stress imaging after rest imaging Stress imaging after rest imaging
Time interval between rest and stress imaging (min) 20 20
Vasodilator in stress imaging (flow [μg/kg/min]) Adenosine (140) Adenosine (140)
  1. ECG Electrocardiogram, CTP Computed tomography perfusion, HU Hounsfield units. aCalculated as \( \frac{\mathrm{weight}\ \mathrm{in}\ \mathrm{kg}}{{\left(\mathrm{height}\ \mathrm{in}\ \mathrm{m}\right)}^2} \)