Longitudinal reference ranges for umbilical vein blood flow at a free loop of the umbilical cord

被引：32
作者：
Flo, K. [1 ,2 ]
Wilsgaard, T. [3 ]
Acharya, G. [1 ,2 ]
机构：
[1] Univ Hosp No Norway, Dept Obstet & Gynecol, N-9038 Tromso, Norway
[2] Univ Tromso, Inst Clin Med, Womens Hlth & Perinatol Res Grp, Tromso, Norway
[3] Univ Tromso, Inst Community Med, Fac Hlth Sci, Tromso, Norway
来源：
ULTRASOUND IN OBSTETRICS & GYNECOLOGY | 2010年 / 36卷 / 05期
关键词：
Doppler; placental circulation; umbilical vein; volume blood flow; VENOUS VOLUME FLOW; HUMAN FETUS; DUCTUS-VENOSUS; CARDIAC-OUTPUT; FETAL; GROWTH; PREGNANCY; 2ND-HALF; CIRCULATION;
D O I：
10.1002/uog.7730
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Objective To establish longitudinal reference ranges for the umbilical vein (UV) diameter, velocities and volume blood flow (Q(uv)) at a free loop of the umbilical cord and estimate the UV spatial velocity profile at this site. Methods This was a prospective study of 53 low-risk pregnancies. The UV diameter and blood flow velocities were measured at 4-weekly intervals from 22 + 0 to 39 + 6 weeks of gestation (232 observations) using B-mode ultrasonography and pulsed-wave Doppler. Multilevel regression modeling was used to estimate the reference percentiles. Results The mean UV diameter, velocities and Quv increased with advancing gestation, whereas the Quv normalized for estimated fetal weight decreased. The UV spatial velocity profile coefficient was 0.62. Conclusion We have established reference ranges for serial measurements of Quv at a free loop of the umbilical cord during the second half of pregnancy. The spatial velocity profile of the UV is not completely parabolic at this site. Copyright (C) 2010 ISUOG. Published by John Wiley & Sons, Ltd.
引用
收藏
页码：567 / 572
页数：6
相关论文
共 27 条
[1]   Reference ranges for umbilical vein blood flow in the second half of pregnancy based on longitudinal data [J].
Acharya, G ;
Wilsgaard, T ;
Berntsen, GKR ;
Maltau, JM ;
Kiserud, T .
PRENATAL DIAGNOSIS, 2005, 25 (02) :99-111
[2]   Relationship of umbilical vein blood flow to growth parameters in the human fetus [J].
Barbera, A ;
Galan, HL ;
Ferrazzi, E ;
Rigano, S ;
Józwik, M ;
Battaglia, FC ;
Pardi, G .
AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 1999, 181 (01) :174-179
[3]   Role of ductus venosus in distribution of umbilical blood flow in human fetuses during second half of pregnancy [J].
Bellotti, M ;
Pennati, G ;
De Gasperi, C ;
Battaglia, FC ;
Ferrazzi, E .
AMERICAN JOURNAL OF PHYSIOLOGY-HEART AND CIRCULATORY PHYSIOLOGY, 2000, 279 (03) :H1256-H1263
[4]   Umbilical venous volume flow in the normally developing and growth-restricted human fetus [J].
Boito, S ;
Struijk, PC ;
Ursem, NTC ;
Stijnen, T ;
Wladimiroff, JW .
ULTRASOUND IN OBSTETRICS & GYNECOLOGY, 2002, 19 (04) :344-349
[5]   Longitudinal umbilical vein blood flow changes in normal and growth-retarded fetuses [J].
Di Naro, E ;
Raio, L ;
Ghezzi, F ;
Franchi, M ;
Romano, F ;
D'Addario, V .
ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA, 2002, 81 (06) :527-533
[6]   QUANTITATIVE MEASUREMENT OF FETAL BLOOD-FLOW USING DOPPLER ULTRASOUND [J].
ERSKINE, RLA ;
RITCHIE, JWK .
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 1985, 92 (06) :600-604
[7]   Intra- and interobserver reliability of umbilical vein blood flow [J].
Fernandez, Susana ;
Figueras, Francesc ;
Gomez, Olga ;
Martinez, Josep Maria ;
Eixarch, Elisenda ;
Comas, Montserrat ;
Puerto, Bienvenido ;
Gratacos, Eduard .
PRENATAL DIAGNOSIS, 2008, 28 (11) :999-1003
[8]   Umbilical venous blood flow measurement:: accuracy and reproducibility [J].
Figueras, F. ;
Fernandez, S. ;
Hernandez-Andrade, E. ;
Gratacos, E. .
ULTRASOUND IN OBSTETRICS & GYNECOLOGY, 2008, 32 (04) :587-591
[9]   A longitudinal study of the relationship between maternal cardiac output measured by impedance cardiography and uterine artery blood flow in the second half of pregnancy [J].
Flo, K. ;
Wilsgaard, T. ;
Vartun, A. ;
Acharya, G. .
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 2010, 117 (07) :837-844
[10]   Agreement between umbilical vein volume blood flow measurements obtained at the intra-abdominal portion and free loop of the umbilical cord [J].
Flo, K. ;
Wilsgaard, T. ;
Acharya, G. .
ULTRASOUND IN OBSTETRICS & GYNECOLOGY, 2009, 34 (02) :171-176
123