Bioimpedance cardiography in pregnancy: A longitudinal cohort study on hemodynamic pattern and outcome

Table 2 Hemodynamic parameters in healthy pregnancy (n = 128)

	week	11^th-13^th	14^th-17^th	18^th-22^nd	23^rd-27^th	28^th-32^nd	33^rd-36^th	37^th-40^th	6^th week	6^th month
CO	l/min	5.3 ± 1.1	5.2 ± 1.1	5.3 ± 1.0	5.8 ± 1.2	5.8 ± 1.1	5.8 ± 1.3	5.8 ± 1.1	4.5 ± 0.7	4.8 ± 1.1
CO-SP	l/min	5.3 ± 1.2	5.2 ± 1.2	5.4 ± 1.0	5.7 ± 1.2	5.8 ± 1.2	6.1 ± 1.3	5.5 ± 1.1	4.5 ± 0.8	4.7 ± 1.0
p-value							0.021
Correlation	Pearson	0.80	0.85	0.80	0.85	0.78	0.78	0.74	0.62	0.69
HR	beats/min	78 ± 10	81 ± 11	83 ± 11	87 ± 16	94 ± 13	93 ± 13	90 ± 13	76 ± 11	76 ± 10
HR-SP	beats/min	78 ± 10	81 ± 10	82 ± 11	88 ± 11	93 ± 13	91 ± 12	89 ± 15	74 ± 10	76 ± 10
p-value
Correlation	Pearson	0.60	0.86	0.78	0.72	0.66	0.57	0.54	0.87	0.70
BP-sys	mmHg	107 ± 10	102 ± 9	102 ± 9	103 ± 9	105 ± 9	105 ± 7	107 ± 10	103 ± 8	106 ± 7
BP-dia	mmHg	71 ± 8	69 ± 7	69 ± 7	71 ± 6	72 ± 8	74 ± 6	76 ± 8	71 ± 6	74 ± 7
SVR	dyn · s/cm ⁵	1245 ± 245	1218 ± 241	1190 ± 214	1176 ± 253	1116 ± 206	1169 ± 282	1220 ± 251	1414 ± 230	1378 ± 288
SVR-SP	dyn · s/cm ⁵	1292 ± 233	1255 ± 256	1205 ± 284	1174 ± 335	1139 ± 234	1097 ± 224	1244 ± 253	1422 ± 274	1453 ± 312
p-value		0.036					0.009
Correlation	Pearson	0.76	0.79	0.66	0.85	0.74	0.79	0.71	0.71	0.70
SV	l/min	69 ± 13	66 ± 14	67 ± 13	65 ± 14	64 ± 13	63 ± 16	65 ± 14	62 ± 14	66 ± 18
SV-SP	l/min	67 ± 13	66 ± 15	67 ± 13	66 ± 14	64 ± 14	68 ± 14	66 ± 16	62 ± 12	62 ± 15
p-value							<0.001
Correlation	Pearson	0.75	0.84	0.65	0.84	0.76	0.88	0.73	0.72	0.85

CO cardiac output, CO-SP cardiac output in side position, HR heart rate, HR-SP heart rate in side position, BP-sys systolic blood pressure, BP-dia diastolic blood pressure, SVR systemic vascular resistance, SVR-SP systemic vascular resistance in side position, SV stroke volume, SV-SP stroke volume in side position; only significant p-values are shown are shown for differences between the two positions. All correlations are significant

ISSN: 1471-2393