Vasa Previa Depicted by Simple Clear Flow

JOURNAL TITLE: Donald School Journal of Ultrasound in Obstetrics and Gynecology

Author
1. Ai Sakamoto
2. Tadashi Hashimoto
3. Nobutsugu Oguni
4. Tomoyoshi Takata
ISSN
0973-614X
DOI
10.5005/jp-journals-10009-1628
Volume
14
Issue
2
Publishing Year
2020
Pages
3
Author Affiliations
    1. Department of Obstetrics and Gynecology, Miyake Clinic, Minami-ku, Okayama, Japan
    1. Department of Obstetrics and Gynecology, Miyake Clinic Toiyacho Terrace, Kita-ku, Okayama, Japan
    1. Department of Obstetrics and Gynecology, Miyake Clinic, Minami-ku, Okayama, Japan
    1. Department of Obstetrics and Gynecology, Miyake Clinic, Minami-ku, Okayama, Japan
  • Article keywords
    Antenatal diagnosis, Low-lying placenta, Power Doppler, Simple Clear Flow, Vasa previa

    Abstract

    We present our experience of diagnosing vasa previa using Simple Clear Flow (SCF) at 32 weeks and 1 day of gestation. A 32-year-old pregnant Japanese woman was reexamined using transvaginal SCF due to suspected vasa previa on previous routine obstetric examination. Simple Clear Flow clearly depicted a small velamentous artery and vein at the periphery of the posterior low-lying placenta near the internal cervical os. At 37 weeks of gestation, emergency cesarean section was performed due to irritable uterine contractions, resulting in a viable, single female newborn weighing 2,795 g. Placental examination showed velamentous insertion of the umbilical cord with aberrant vessels. Transvaginal SCF can clearly demonstrate small aberrant vessels of the umbilical cord without Doppler blooming and may become a useful modality for the antenatal diagnosis of vasa previa.

    © 2019 Jaypee Brothers Medical Publishers (P) LTD.   |   All Rights Reserved