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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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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...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

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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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Aortic Regurgitation I: Introduction01:15

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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...
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Aortic Regurgitation III: Medical Management01:25

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Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
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Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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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...
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Coronary Artery Disease I: Introduction01:30

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Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
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Related Experiment Video

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Manufacturing Abdominal Aorta Hydrogel Tissue-Mimicking Phantoms for Ultrasound Elastography Validation
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Dynamic Aortic Aneurism Risk Factors.

Oleg Metsker1, Georgy Kopanitsa2, Olga Irtyuga1

  • 1Almazov National Medical Research Centre, Saint-Petersburg, Russia.

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|November 4, 2021
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Summary
This summary is machine-generated.

Thoracic aortic aneurysms (TAA) are increasingly diagnosed. This study used echocardiography data from nearly 78,500 patients to identify aneurysm risk factors and predict detection with 82% accuracy.

Keywords:
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Area of Science:

  • Cardiology
  • Medical Imaging
  • Public Health

Background:

  • The incidence of thoracic aortic aneurysms (TAA) is rising globally.
  • Limited research exists on risk factors for ascending aortic dilatation.
  • Noninvasive imaging, particularly transthoracic echocardiography (TT-echo), is crucial for monitoring aortic and aortic valve disease progression.

Purpose of the Study:

  • To identify risk factors associated with thoracic aortic aneurysms (TAA).
  • To evaluate the effectiveness of transthoracic echocardiography (TT-echo) in screening for proximal aortic dilatation.
  • To develop a predictive model for aneurysm detection using echocardiographic data.

Main Methods:

  • Retrospective analysis of 78,499 echocardiographic records from the Almazov National Medical Research Centre.
  • Extraction of demographic data, echocardiography results, and comorbidities from patient records.
  • Development and evaluation of a predictive classifier for aneurysm detection.

Main Results:

  • Echocardiography is a primary screening tool for proximal aortic dilatation.
  • A predictive classifier achieved an 82% area under the receiver operating characteristic curve (AUC-ROC) for aneurysm detection.
  • Analysis identified key demographic characteristics, echocardiographic findings, and comorbidities relevant to TAA.

Conclusions:

  • Transthoracic echocardiography (TT-echo) is effective for screening thoracic aortic aneurysms (TAA).
  • A predictive model utilizing echocardiographic data shows significant accuracy in identifying patients with aneurysms.
  • Further research into risk factors can improve early detection and management of TAA.