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Related Concept Videos

Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

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Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Fetal Circulation01:14

Fetal Circulation

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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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Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

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The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
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Abdominal Aorta01:25

Abdominal Aorta

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Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
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Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
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Umbilical artery thrombosis: Two case reports.

Huanxi Li1, Wu Qufeng, Wei Wei

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|November 27, 2019
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Summary

Umbilical artery thrombosis is a rare condition that can lead to fetal death. Early detection through ultrasound is crucial for timely intervention and improved pregnancy outcomes.

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Area of Science:

  • Obstetrics and Gynecology
  • Fetal Medicine
  • Vascular Biology

Background:

  • The umbilical cord facilitates vital fetal-maternal exchange, including gas, nutrient, and waste transport.
  • Umbilical cord thrombosis can cause fetal hypoxia, jeopardizing fetal health and potentially leading to fetal demise.
  • Prenatal diagnosis of umbilical vessel thrombosis is challenging due to its infrequent occurrence.

Purpose of the Study:

  • To highlight the importance of vigilant ultrasound monitoring for suspected umbilical vascular thrombosis.
  • To emphasize the need for timely intervention in cases of umbilical artery thrombosis.
  • To improve prenatal detection rates and mitigate adverse pregnancy outcomes associated with umbilical vessel thrombosis.

Main Methods:

  • Case study analysis of two pregnancies with diagnosed umbilical artery thrombosis.
  • Utilized serial ultrasound examinations for fetal monitoring.
  • Documented interventions and pregnancy outcomes.

Main Results:

  • One case resulted in intrauterine fetal death due to delayed intervention.
  • The second case, diagnosed and managed promptly, resulted in a healthy neonate delivery via emergency cesarean section.
  • Ultrasound findings included changes in umbilical artery number and suspected thrombosis.

Conclusions:

  • Obstetricians must maintain vigilance for suspected umbilical vascular thrombosis, especially when ultrasound reveals a single umbilical artery.
  • Close fetal monitoring and prompt intervention are critical for improving outcomes in umbilical artery thrombosis.
  • Enhanced prenatal detection strategies are essential to prevent fetal hypoxia and mortality.