Obstet Gynecol, 2023 Vasa previa refers to unprotected fetal vessels running through the membranes over the cervix. Until recently, this condition was associated with an exceedingly high perinatal mortality rate attributable to fetal exsanguination when the membranes ruptured.
Oyelese Y, Javinani A, Shamshirsaz AA.
europepmc +3 more sources
Current Evidence on Vasa Previa without Velamentous Cord Insertion or Placental Morphological Anomalies (Type III Vasa Previa): Systematic Review and Meta-Analysis [PDF]
Biomedicines, 2023 Vasa previa carries a high risk of severe fetal morbidity and mortality due to fetal hemorrhage caused by damage to unprotected fetal cord vessels upon membrane rupture. Vasa previa is generally classified into types I and II.
Yuki Takemoto +7 more
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The Characteristics and Obstetric Outcomes of Type II Vasa Previa: Systematic Review and Meta-Analysis [PDF]
Biomedicines, 2022 Vasa previa is a rare fetal life-threatening obstetric disease classified into types I and II. This study aimed to examine the characteristics and obstetric outcomes of type II vasa previa.
Shinya Matsuzaki +11 more
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Type 3 vasa previa with no low-lying placenta, with central umbilical cord insertion at the upper uterine segment, and with aberrant vessels on the broad membrane: A case report [PDF]
Case Reports in Women's Health, 2023 Type 3 vasa previa is a new concept. Herein, a case is reported of a 35-year-old woman, pregnant following in vitro fertilization, in whom vasa previa was detected on color Doppler ultrasound at 26 weeks, with no finding of a low-lying placenta.
Michihisa Shiro +5 more
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Placental Types and Effective Perinatal Management of Vasa Previa: Lessons from 55 Cases in a Single Institution [PDF]
Diagnostics, 2021 Background: We aimed to identify clinical characteristics and outcomes for each placental type of vasa previa (VP). Methods: Placental types of vasa previa were defined as follows: Type 1, vasa previa with velamentous cord insertion and non-type 1, vasa ...
Daisuke Tachibana +8 more
doaj +2 more sources
Inpatient vs outpatient management of pregnancies with vasa previa: A historical cohort study [PDF]
Acta Obstetricia et Gynecologica Scandinavica, 2023 Introduction Vasa previa, a condition where unprotected fetal blood vessels lie in proximity to the internal cervical opening, is a potentially lethal obstetric complication.
Linda A. Villani +5 more
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Vasa previa: A rare obstetric complication–A case series and a literature review [PDF]
Clinical Case Reports, 2022 Vasa previa is a rare condition. However, since the increase in assisted reproductive technologies (ARTs), clinicians are more frequently confronted with this complication.
Yaman Degirmenci +4 more
doaj +2 more sources
Antenatal diagnosis of vasa previa: report of three cases in an African setting [PDF]
The Pan African Medical Journal, 2020 Vasa previa is characterised by unprotected umbilical vessels that are crossing the internal cervical os or lying close to it. When vasa previa is not detected during antenatal period, the perinatal outcome could be grievous.
Yaw Amo Wiafe +3 more
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Type III Vasa Previa Associated with Resolution of a Low-Lying Placenta: Case Report and Literature Review [PDF]
American Journal of Perinatology ReportsVasa previa occurs when fetal vessels lie above the cervical os. A novel type of vasa previa, known as type III, is characterized by an abnormal branching of fetal vessels from the placenta in the absence of velamentous cord insertion (as seen in type I)
Joanna J. Kim +3 more
doaj +2 more sources
Intrauterine death in vasa previa without hemorrhage: case reports [PDF]
BMC Pregnancy and Childbirth, 2023 Antepartum and intrapartum hemorrhage from vasa previa (VP) is one of the main causes of intrauterine fetal death (IUFD). Here, we present two cases with type I VP in which velamentous cord insertion below the fetal head and overlying the cervix were ...
Pin Li +4 more
doaj +2 more sources