TABLE 3.

Hemodynamic parameters for all regions of the thoracic aorta.

	Rest	Dobutamine	p-Value
Peak Vavg (m/s)
Ascending aorta	0.70 ± 0.11	1.17 ± 0.26	= 0.002
Aortic arch	0.66 ± 0.12	1.02 ± 0.20	<0.001
Descending aorta	0.87 ± 0.16	1.32 ± 0.25	= 0.002
Thoracic aorta	0.74 ± 0.11	1.17 ± 0.22	<0.001
Peak Vmax (m/s)
Ascending aorta	1.24 ± 0.11	1.98 ± 0.21	= 0.002
Aortic arch	0.96 ± 0.16	1.46 ± 0.29	<0.001
Descending aorta	1.20 ± 0.19	1.75 ± 0.31	<0.001
Thoracic aorta	1.31 ± 0.13	2.00 ± 0.25	<0.001
Peak TKEtotal (mJ)
Ascending aorta	1.47 ± 0.50	4.09 ± 1.48	<0.001
Aortic arch	0.36 ± 0.12	0.88 ± 0.26	<0.001
Descending aorta	1.16 ± 0.42	3.41 ± 1.54	<0.001
Thoracic aorta	2.86 ± 0.67	8.04 ± 2.20	<0.001
Peak TKEmax (J/m3)
Ascending aorta	171.4 ± 33.7	316.7 ± 73.4	<0.001
Aortic arch	121.9 ± 43.5	200.9 ± 59.8	= 0.002
Descending aorta	135.3 ± 35.7	253.5 ± 80.6	<0.001
Thoracic aorta	176.3 ± 32.6	334.2 ± 69.0	<0.001
Peak TKEmed (J/m3)
Ascending aorta	43.6 ± 12.6	112.8 ± 30.7	<0.001
Aortic arch	38.1 ± 16.5	82.8 ± 25.8	= 0.002
Descending aorta	34.5 ± 10.9	91.4 ± 34.1	<0.001
Thoracic aorta	35.8 ± 7.2	93.2 ± 23.5	= 0.002