Document Detail


Blood flow to the scarred gravid uterus at 22-24 weeks of gestation.
MedLine Citation:
PMID:  24112289     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: To compare uterine artery volume blood flow (Quta ), vascular resistance (Ruta ), pulsatility index (Uta PI), and the fraction of maternal cardiac output (CO) distributed to the uteroplacental circulation in pregnant women with and without a previous caesarean section.
DESIGN: Cross-sectional observational study.
SETTING: University hospital in Norway.
POPULATION: Thirty-two pregnant women with previous caesarean section and 32 matched controls.
METHODS: Ultrasonography was used to measure uterine artery diameter and blood flow velocity between 22(+0) and 23(+6)  weeks of gestation. Impedance cardiography was used to assess maternal haemodynamics.
MAIN OUTCOME MEASURES: Quta , Ruta , Uta PI, and the fraction of maternal CO distributed to the uteroplacental circulation.
RESULTS: The mean Quta was 356.26 ± 213.72 ml/minute in cases and 456.41 ± 209.70 ml/minute in controls (P = 0.038). Ruta was significantly (P = 0.026) higher among cases compared with controls (0.32 ± 0.20 versus 0.22 ± 0.14 mmHg/ml/minute), but the Uta PI did not differ between the groups (0.93 ± 0.23 versus 0.92 ± 0.47; P = 0.929). The fraction of maternal CO distributed to the uteroplacental circulation was 5.75 ± 3.68% in cases and 8.45 ± 5.02% in controls (P = 0.014).
CONCLUSIONS: Uterine artery volume blood flow and the fraction of maternal cardiac output distributed to the uteroplacental circulation are lower, and uterine vascular resistance (but not Uta PI) is higher, in women with previous caesarean section compared with the control group.
Authors:
K Flo; C Widnes; A Vårtun; G Acharya
Related Documents :
1564299 - The role of the flow rate of the pneumohydraulic system on post-sphincter of oddi manom...
24875909 - The effects of prenatal exposure to low-level cadmium, lead and selenium on birth outco...
3299129 - Effect of synthetic neuromedin-n, a novel neurotensin-like peptide, on exocrine pancrea...
8783339 - Alterations in pancreatic microcirculation and expression of endothelin-1 in a model of...
7044139 - Measurement of blood flow in pancreatic islets of the rat: effect of isoproterenol and ...
22475399 - Cisternal sustained release dihydropyridines for subarachnoid hemorrhage.
18999719 - Attractive colloidal rods in shear flow.
19940349 - Comparative reproducibility of dermal microvascular blood flow changes in response to a...
7305419 - Effect of packed cell volume on blood glucose estimations.
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-10-1
Journal Detail:
Title:  BJOG : an international journal of obstetrics and gynaecology     Volume:  -     ISSN:  1471-0528     ISO Abbreviation:  BJOG     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2013-10-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100935741     Medline TA:  BJOG     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2013 Royal College of Obstetricians and Gynaecologists.
Affiliation:
Women's Health and Perinatology Research Group, Department of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, Tromsø, Norway; Department of Obstetrics and Gynaecology, University Hospital of North Norway, Tromsø, Norway.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  Dementia Care Knowledge Sharing within a First Nations Community.
Next Document:  Pediatric frontal lobe epilepsy: white matter abnormalities and cognitive impairment.