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 \( \frac{\mathrm{weight}\ \mathrm{in}\ \mathrm{kg}}{{\left(\mathrm{height}\ \mathrm{in}\ \mathrm{m}\right)}^2} \)