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Related Concept Videos

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...
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...
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 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...
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...
Aneurysm IV: Nursing Management01:22

Aneurysm IV: Nursing Management

Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...

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Related Experiment Video

Updated: Jun 13, 2026

Minimally Invasive Transverse Aortic Constriction in Mice
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Male-Female Differences in Acute Type B Aortic Dissection.

Frederike Meccanici1, Carlijn G E Thijssen1,2, Robin H Heijmen3

  • 1Department of Cardiology Erasmus University Medical Center Rotterdam Netherlands.

Journal of the American Heart Association
|December 29, 2023
PubMed
Summary

This study found no sex differences in outcomes for acute type B aortic dissection (aortic dissection type B). Despite differing clinical presentations, male and female patients experienced similar survival rates and morbidity.

Keywords:
Stanford type B dissectiongendersexthoracic aortic dissection

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Area of Science:

  • Cardiovascular Medicine
  • Vascular Surgery
  • Epidemiology

Background:

  • Acute type B aortic dissection is a life-threatening cardiovascular emergency.
  • Existing research on sex-based differences in type B aortic dissection is limited.
  • Understanding these differences is crucial for effective patient management.

Purpose of the Study:

  • To investigate male-female differences in the clinical presentation, management, and outcomes of acute type B aortic dissection.
  • To identify potential disparities in morbidity and mortality between sexes.
  • To inform future research and clinical practice regarding sex-specific considerations.

Main Methods:

  • A retrospective cohort study included 384 patients with acute type B aortic dissection from 2007-2017 across four tertiary hospitals.
  • Data were collected via patient files and questionnaires, with a median follow-up of 6.1 years.
  • Statistical analyses compared clinical characteristics, treatment choices, and survival rates between male and female patients.

Main Results:

  • Women presented older and with less frequent distal dissections or malperfusion compared to men.
  • While absolute aortic diameters were smaller in women, indexed diameters were larger.
  • No significant differences were observed in early or 5-year mortality rates, or in late reinterventions between sexes.

Conclusions:

  • Despite distinct clinical profiles at presentation, acute type B aortic dissection management and outcomes (mortality, morbidity) do not differ significantly between men and women.
  • Further research is needed to explore the impact of age and specific interventions on outcomes.
  • These findings suggest a need for tailored approaches considering individual patient factors rather than solely sex-based generalizations.