Correlation between ductus venosus spectrum and right ventricular diastolic function in isolated single-umbilical-artery foetus and normal foetus in third trimester.

Ductus venosus Foetus Isolated single umbilical artery Right ventricular diastolic function Velocity

Journal

World journal of clinical cases

ISSN: 2307-8960

Titre abrégé: World J Clin Cases

Pays: United States

ID NLM: 101618806

Informations de publication

Date de publication:
06 Dec 2020

Historique:

received: 18 04 2020

revised: 23 09 2020

accepted: 26 10 2020

entrez: 21 12 2020

pubmed: 22 12 2020

medline: 22 12 2020

Statut: ppublish

Résumé

Single umbilical artery (SUA) is the most common umbilical cord malformation in prenatal diagnosis. The presence of an SUA can cause blood circulation disorder in the foetus and functional changes of the foetal heart, affecting foetal circulation. The right ventricular diastolic functions in foetuses with isolated SUA and in normal foetuses in the third trimester were evaluated using the spectral Doppler of blood flow in the foetal ductus venosus (DV). To evaluate the right ventricular diastolic functions in foetuses with isolated SUA and in normal foetuses in the third trimester. Colour Doppler was used to measure the spectrum of foetal DV and tricuspid orifice in 34 foetuses with isolated SUA aged 28-39 wk and in age-matched healthy controls. The DV flow velocities and velocity ratios were measured. The early passive/late active (E/A) ratio at the tricuspid orifice and tissue Doppler Tei index of the foetal right ventricular in the two groups were also measured. During the third trimester, the isolated SUA group showed a lower 'a'-wave peak velocity in the DV than the control group ( In the isolated SUA group, the atrial systolic peak velocity 'a' decreased, and this finding might be related to the changes in foetal cardiac functions. The ratio of ventricular late diastolic velocity to ventricular diastolic peak flow velocity was closely related to the E/A ratio at the tricuspid valve and can be used to identify changes in the right ventricular diastolic functions of isolated SUA and healthy foetuses. PIV was closely related to the tissue Doppler Tei index of the foetal right ventricular and can be used to identify the right ventricular overall functions of isolated SUA and healthy foetuses.

Sections du résumé

BACKGROUND BACKGROUND

AIM OBJECTIVE

To evaluate the right ventricular diastolic functions in foetuses with isolated SUA and in normal foetuses in the third trimester.

METHODS METHODS

Colour Doppler was used to measure the spectrum of foetal DV and tricuspid orifice in 34 foetuses with isolated SUA aged 28-39 wk and in age-matched healthy controls. The DV flow velocities and velocity ratios were measured. The early passive/late active (E/A) ratio at the tricuspid orifice and tissue Doppler Tei index of the foetal right ventricular in the two groups were also measured.

RESULTS RESULTS

During the third trimester, the isolated SUA group showed a lower 'a'-wave peak velocity in the DV than the control group (

CONCLUSION CONCLUSIONS

In the isolated SUA group, the atrial systolic peak velocity 'a' decreased, and this finding might be related to the changes in foetal cardiac functions. The ratio of ventricular late diastolic velocity to ventricular diastolic peak flow velocity was closely related to the E/A ratio at the tricuspid valve and can be used to identify changes in the right ventricular diastolic functions of isolated SUA and healthy foetuses. PIV was closely related to the tissue Doppler Tei index of the foetal right ventricular and can be used to identify the right ventricular overall functions of isolated SUA and healthy foetuses.

Identifiants

DOI: 10.12998/wjcc.v8.i23.5866 PMID: 33344585 PMC: PMC7723705

pubmed: 33344585

doi: 10.12998/wjcc.v8.i23.5866

pmc: PMC7723705

doi:

Types de publication

Journal Article

Langues

eng

Pagination

5866-5875

Informations de copyright

Déclaration de conflit d'intérêts

Conflict-of-interest statement: The authors declare that they have no competing interests.

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