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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

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...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
Intestinal Obstruction I: Introduction01:29

Intestinal Obstruction I: Introduction

Intestinal obstruction is a partial or complete blockage of the small or large intestine that disrupts the normal flow of intestinal contents through the lumen. This interruption impairs digestion, absorption, and fluid balance, and may lead to serious complications if not treated promptly.Mechanical ObstructionMechanical obstruction occurs when a physical blockage prevents intestinal contents from passing, arising from within the lumen or the bowel wall, or from external compression.Adhesions,...

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Updated: May 22, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

Stanford type A aortic dissection with intimal intussusception.

Tetsuya Niino1, Satoshi Unosawa, Kazuma Shimura

  • 1Department of Cardiovascular Surgery, National Hospital Organization Disaster Medical Center, 3256 Midori-cho, Tachikawa, Tokyo 190-0014, Japan. tetsuyan77@gmail.com

General Thoracic and Cardiovascular Surgery
|May 23, 2012
PubMed
Summary

A 51-year-old man experienced acute chest pain and loss of consciousness due to aortic dissection. Emergency surgery successfully replaced the ascending aorta, leading to an uneventful recovery.

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An Approach to Point-Of-Care Ultrasound Evaluation of the Abdominal Aorta
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Last Updated: May 22, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
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An Approach to Point-Of-Care Ultrasound Evaluation of the Abdominal Aorta
07:12

An Approach to Point-Of-Care Ultrasound Evaluation of the Abdominal Aorta

Published on: September 8, 2023

Area of Science:

  • Cardiovascular Surgery
  • Vascular Medicine
  • Thoracic Surgery

Background:

  • Aortic dissection is a life-threatening condition involving a tear in the aorta's inner layer.
  • Acute chest pain and loss of consciousness are critical symptoms warranting immediate medical evaluation.
  • Computed tomography (CT) is crucial for diagnosing aortic pathologies.

Observation:

  • A 51-year-old male presented with acute chest pain and syncope.
  • CT imaging revealed extensive aortic dissection involving the aortic root, arch, and descending aorta, but no intimal flap in the ascending aorta.
  • Surgical exploration identified a circumferential intimal tear with intussusception of the intimal layer.

Findings:

  • The intimal tear was circumferential, extending to the proximal aortic arch.
  • Dissection involved the aortic root, arch, and descending aorta.
  • Emergency graft replacement of the ascending aorta was technically successful.

Implications:

  • Prompt surgical intervention for extensive aortic dissection can lead to favorable outcomes.
  • Successful ascending aorta graft replacement can prevent catastrophic complications.
  • This case highlights the importance of timely diagnosis and surgical management in aortic dissection.