Review Article

CT Myocardial Perfusion Imaging: A New Frontier in Cardiac Imaging

Table 5

Dynamic CTP imaging in animal studies.

Author
(Year)
No.CT
Scanner
CTP
Protocol
Stress
Agent
(dose)
Reference
Standard
AnalysisDose

Bamberg et al [82] 
(2012)
7 pigsDS (2nd)Adenosine
(0.14 mg/kg/min)
Microsphere MBFQuantitative MBF10.6
(mSv)

Rossi et al [83] 
(2013)
7 pigsDS (2nd)Adenosine
(0.50 mg/kg/min)
CBF and FFRQuantitative MBF17.1
(mSv)

Schwarz et al [84] 
(2013)
6 pigsDS (2nd)Adenosine
(0.14 mg/kg/min)
Microsphere MBFQuantitative MBF + attenuation values (HU)11.3
+ 0.88
(mSv)

Bamberg et al [85] 
(2014)
12 pigsDS (2nd)Adenosine
(0.14 mg/kg/min)
Histopathology
Microsphere MBF
Quantitative MBF, MBV, NA

2nd, second generation; No., number of animals; CT, computed tomography; CBF, coronary blood flow; CTP, CT perfusion imaging; DS, Dual-Source scanner; FFR, fractional flow reserve; HU: Hounsfield Unit; Ktrans, permeability constant; MBF, myocardial blood flow; MBV, myocardial blood volume; NA, nonassessable.