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Related Concept Videos

Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
Fetal Circulation01:14

Fetal Circulation

Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...

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Updated: May 25, 2026

Disruption of the Mouse Blood-Brain Barrier by Small Extracellular Vesicles from Hypoxic Human Placentas
05:31

Disruption of the Mouse Blood-Brain Barrier by Small Extracellular Vesicles from Hypoxic Human Placentas

Published on: January 26, 2024

Maternal mortality from hemorrhage.

Sina Haeri1, Gary A Dildy

  • 1Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Baylor College of Medicineand Texas Children’s Hospital, 1709 Dryden Street, Houston, TX 77030, USA. Sinahaeri@gmail.com

Seminars in Perinatology
|January 28, 2012
PubMed
Summary
This summary is machine-generated.

Postpartum hemorrhage is a leading cause of maternal death, especially in developing nations. Effective reduction strategies focus on identifying risk factors, rapid diagnosis, and prompt management of obstetric hemorrhage.

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Assessment of Maternal Vascular Remodeling During Pregnancy in the Mouse Uterus
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Disruption of the Mouse Blood-Brain Barrier by Small Extracellular Vesicles from Hypoxic Human Placentas
05:31

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Published on: January 26, 2024

Assessment of Maternal Vascular Remodeling During Pregnancy in the Mouse Uterus
06:55

Assessment of Maternal Vascular Remodeling During Pregnancy in the Mouse Uterus

Published on: December 5, 2015

Area of Science:

  • Obstetrics and Gynecology
  • Maternal Health
  • Public Health

Background:

  • Hemorrhage is a primary cause of maternal mortality globally.
  • Most maternal deaths from hemorrhage occur within 48 hours postpartum.
  • Developing countries bear a disproportionate burden of hemorrhage-related maternal deaths (99%).

Purpose of the Study:

  • To review the epidemiology of maternal mortality due to hemorrhage.
  • To examine the various etiologies contributing to obstetric hemorrhage.
  • To discuss preventative measures for reducing maternal deaths from hemorrhage.

Main Methods:

  • This monograph synthesizes existing literature on maternal mortality from hemorrhage.
  • Epidemiological data on hemorrhage-related deaths are reviewed.
  • Etiological factors and preventative strategies are discussed.

Main Results:

  • Hemorrhage remains a critical factor in maternal mortality worldwide.
  • Significant disparities exist in hemorrhage-related mortality between developing and industrialized nations.
  • Preventable deaths underscore the need for improved risk identification and timely interventions.

Conclusions:

  • Addressing maternal mortality from hemorrhage requires a focus on risk factor identification, prompt diagnosis, and effective management.
  • Targeted interventions are crucial, particularly in resource-limited settings.
  • Continued research and implementation of evidence-based practices are essential for reducing preventable deaths.