Hemodynamic changes and perinatal outcome associated with umbilical artery thrombosis: a retrospective study

Table 3 Doppler parameters of umbilical artery thrombosis (UAT) with intrauterine growth restriction (IUGR)

Case	GA at diagnosis of UAT (weeks)	GA at end of pregnancy (weeks)	Time between GA at diagnosis and termination of pregnancy (days)	Present time of IUGR	Pregnancy Outcomes	UA-PI	UA-RI	MCA-PI	CPR	DV-PIV	UtA-PI
1	28^2/7	30^5/7	17	meanwhile	(-)	0.90	0.62	0.91^a	1.01	0.44	0.60
2	28^5/7	38^5/7	70	meanwhile	(-)	0.60	0.46	1.24	2.05	0.62	0.81
3	33	34^1/7	8	meanwhile	(-)	0.99	0.66	1.53	1.55	0.52	0.52
4	35^2/7	36	5	meanwhile	(-)	0.63 ^a	0.48 ^a	1.29 ^a	2.04	1.03 ^b	0.62
5	32	34	14	meanwhile	(-)	0.88	0.61	1.59	1.82	0.52	0.66
6	32	32^2/7	2	meanwhile	(-)	0.46 ^a	0.38 ^a	1.06 ^a	2.73	0.7	0.42
7	34^1/7	35	6	meanwhile	(-)	0.60 ^a	0.46 ^a	1.46	2.42	0.38	0.49
8	29^3/7	32	18	meanwhile	(-)	0.76	0.55	1.17 ^a	1.54	0.74	0.63
9	24^4/7	25^3/7	6	meanwhile	stillbirth	1.25	0.77	0.85 ^a	0.68 ^a	1.1 ^b	0.74
10	23^2/7	24	5	meanwhile	stillbirth	1.06	0.69	0.96 ^a	0.91 ^a	1.29 ^b	0.55
11	22^5/7	23^4/7	6	meanwhile	stillbirth	0.78 ^a	0.56 ^a	0.89 ^a	1.14	1.15 ^b	0.45
12	24	24^2/7	2	meanwhile	stillbirth	1.01	0.67	0.81 ^a	0.8 ^a	1.16 ^b	0.73
13	31	39	56	45 days after the diagnosis of UAT	(-)	0.53 ^a	0.42 ^a	1.39	2.64	0.74	0.65
14	27^5/7	35^5/7	56	30 days before the diagnosis of UAT	(-)	0.55 ^a	0.43 ^a	1.32 ^a	2.38	0.68	0.54

UA, umbilical artery; PI, pulsatility indices; RI, resistance indices; MCA, middle cerebral artery; CPR, cerebroplacental doppler ratio; DV, ductus venosus; PIV, pulsatility index for veins;
UtA, uterine artery. ^a,<5th centile; ^b,>95th centile. (-): No adverse perinatal outcomes occurred

ISSN: 1750-1172