Aortic arch shape is not associated with hypertensive response to exercise in patients with repaired congenital heart diseases

Table 3 Peak exercise and geometrical measurements and aortic distensibility of the 3 study groups

Variables				P values
	Control	ASO	CoA	Control/	Control/	ASO/
	(n = 20)	(n = 20)	(n = 20)	ASO	CoA	CoA
VO2 Max (ml/Kg/min )	38.9 ± 8.3	37.3 ± 8.8	33.9 ± 8.0	0.532	0.063	0.210
Peak heart rate (bpm)	180 ± 17	174 ± 16	168 ± 22	0.323	0.044	0.295
Peak diastolic BP (mmHg)	64 ± 9	64 ± 10	69 ± 11	0.891	0.135	0.173
Peak systolic BP (mmHg)	153 ± 20	146 ± 20	180 ± 32	0.360	0.001*	<0.001*
iCurvature [(1/mm)/m²]	0.03 ± 0.01	0.05 ± 0.01	0.05 ± 0.01	<0.001*	<0.001*	1.000
Curvature [(1/mm]	0.05 ± 0.01	0.07 ± 0.01	0.08 ± 0.03	<0.001*	<0.001*	0.277
iTransverse arch (mm²/m²)	157.5 ± 27.2	221.3 ± 44.6	117.8 ± 47.7	<0.001*	0.003*	<0.001*
iIsthmus (mm²/m²)	142.5 ± 33.7	186.4 ± 25.9	133.0 ± 68.6	<0.001*	0.721	<0.001*
Descending aortic (mm²/m²)	115.7 ± 22.6	136.6 ± 24.2	143.5 ± 49.0	0.058	0.038^*	0.525
Transverse/descending ratio	1.29 ± 0.78	1.40 ± 0.10	0.98 ± 0.23	0.177	<0.001*	<0.001*
Isthmus/descending ratio	1.09 ± 0.52	1.20 ± 0.11	0.97 ± 0.19	0.001*	0.006*	<0.001*
Distensibility (×10^-3 1/mmHg)	6.7 ± 3.7	2.1 ± 1.9	3.6 ± 3.2	<0.001*	0.003*	1.220

iCurvature (indexed curvature), iIsthimus (Indexed Isthmus cross sectional area), iTransverse (Indexed Transverse cross sectional area) BP (blood pressure), Values expressed as mean ± standard deviation, * indicates significant p value.

ISSN: 1532-429X