Maternal carotid remodeling and increased carotid arterial stiffness in normal late-gestational pregnancy as assessed by radio-frequency ultrasound technique

Table 3 Comparisons of carotid parameters before and 20 months postpartum

Parameters	Normal pregnancy	Normal pregnancy	Non-pregnancy
Parameters	(During pregnancy) (n = 12)	Postpartum (n = 12)	(n = 15)
Carotid IMT (μm)	326 ± 85	399 ± 63	407 ± 84
Carotid Diameter (mm)	7.38 ± 0.29	6.87 ± 0.25^*	6.53 ± 0.39
Carotid SP (mmHg)	111 ± 14	100 ± 10^*	101 ± 10
Carotid DP (mmHg)	75 ± 8	77 ± 8	73 ± 7
Carotid MAP (mmHg)	87 ± 9	85 ± 8	76 ± 11
DC (1/kPa)	0.02 ± 0.01	0.04 ± 0.01^*	0.03 ± 0.01
PT1 (mmHg)	109 ± 3	99 ± 10	99 ± 12
PWV (m/s)	6.4 ± 0.9	4.9 ± 0.8^†	5.4 ± 0.6
AIx (%)	-2.64 ± 2.63	0.32 ± 8.78	0.16 ± 2.99
Tension (mmHg/cm)	41.2 ± 5.0	34.3 ± 0.1^*	33.2 ± 4.6

Notes: All abbreviations were the same as in Table 2. ^*Compared to those before pregnancy, p < 0.01; ^†Compared to those before pregnancy, p < 0.05.

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