Regadenoson-Stress Dynamic Myocardial Perfusion Improves Diagnostic Performance of CT Angiography in Assessment of Intermediate Coronary Artery Stenosis in Asymptomatic Patients

Table 2

Heart rate, blood pressure, and radiation exposure.

	CTA/prior regadenoson; application ()	rsCTP/post regadenoson; application ()	Rest CTP ()
Heart rate (beats/min)	67 ± 13	93 ± 14	74 ± 15
Blood pressure (mm Hg)
(i) Systolic	143 ± 12	147 ± 20
(ii) Diastolic	86 ± 9	86 ± 10
Effective radiation dose (mSv)	3.6 ± 0.9	8.9 ± 2.4	8.4 ± 2.1

Subset group () of patients with stress-induced CTP finding who underwent invasive coronary angiography. All parameters are mean values ± standard deviation. CTA: computed tomography angiography; CTP: computed tomography perfusion; rsCTP: regadenoson-induced stress CTP.