A survey of opinion and practice regarding prenatal diagnosis of vasa previa among obstetricians from Australia and New Zealand

Journal article


Javid, Nasrin, Hyett, Jonathan A., Walker, Susan P., Sullivan, Elizabeth A. and Homer, Caroline S. E.. (2019). A survey of opinion and practice regarding prenatal diagnosis of vasa previa among obstetricians from Australia and New Zealand. International Journal of Gynecology and Obstetrics. 144(3), pp. 252-259. https://doi.org/10.1002/ijgo.12747
AuthorsJavid, Nasrin, Hyett, Jonathan A., Walker, Susan P., Sullivan, Elizabeth A. and Homer, Caroline S. E.
Abstract

Objectives
To define current obstetric opinion and clinical practice regarding the prenatal diagnosis of vasa previa in Australia and New Zealand.

Methods
A population-based cross-sectional survey of Fellows of the Royal Australian and New Zealand College of Obstetricians and Gynaecologists was conducted from April to May, 2016. Descriptive analysis was used to define factors influencing opinion and practice regarding definition of vasa previa, attributable risk factors, and the value of screening.

Results
Overall, 453 respondents were included in the study. Two-thirds (304/453; 67.1%) defined vasa previa as exposed fetal vessel(s) running over or within 2 cm of the internal os. A higher proportion of ultrasound specialists (30/65; 46.2%) preferred a broader definition as compared with generalists (115/388; 29.6%; P<0.001). Overall, Fellows were supportive (342/430; 79.5%) of both reporting ultrasound-based risk factors at the 20-week anomaly scan and targeted screening (298/430; 69.3%). Only 77/453 (17.0%) respondents recognized all five “known” risk factors for vasa previa.

Conclusions
There was a lack of consensus regarding the definition and diagnosis process for vasa previa. There was also a knowledge gap in risk factors for vasa previa that would inform a targeted screening policy. Nevertheless, support for targeted screening was strong from obstetricians who responded.

Keywordscontent validation; placenta previa; prenatal diagnosis; screen; survey; ultrasound imaging; vasa previa; velamentous cord insertion
Year2019
JournalInternational Journal of Gynecology and Obstetrics
Journal citation144 (3), pp. 252-259
PublisherJohn Wiley & Sons Ltd
ISSN0020-7292
Digital Object Identifier (DOI)https://doi.org/10.1002/ijgo.12747
PubMed ID30575020
Scopus EID2-s2.0-85060131594
FunderResearch Training Program Scholarship (RTP), Australian Government
Publisher's version
License
All rights reserved
File Access Level
Controlled
Output statusPublished
Publication dates
Online16 Jan 2019
Publication process dates
Accepted19 Dec 2018
Deposited02 May 2025
Additional information

© 2018 International Federation of Gynecology and Obstetrics.

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