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Related Concept Videos

Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

519
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...
519
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

392
Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

626
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...
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Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

479
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...
479
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

365
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...
365

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Related Experiment Video

Updated: Feb 19, 2026

Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation
06:04

Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation

Published on: August 8, 2025

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[Transcatheter aortic valve thrombosis].

D Leguay1, S Duval1, M Leroux1

  • 1Unité de cardiologie interventionnelle, polyclinique de Courlancy, 38, rue de Courlancy, 51100 Reims, France.

Annales De Cardiologie Et D'Angeiologie
|November 7, 2017
PubMed
Summary

Transcatheter aortic valve thrombosis is often overlooked, impacting prosthesis longevity. Early detection and treatment with anticoagulation can restore leaflet motion, improving outcomes for affected patients.

Keywords:
Anti-platelet therapyAntiagrégants plaquettairesAnticoagulantsTAVIThromboseThrombosis

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Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation
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Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation

Published on: June 3, 2018

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Related Experiment Videos

Last Updated: Feb 19, 2026

Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation
06:04

Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation

Published on: August 8, 2025

630
Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation
06:59

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation

Published on: June 3, 2018

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Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Prosthetic Valve Research

Background:

  • Subclinical leaflet thrombosis after transcatheter aortic valve implantation (TAVI) occurs in 10-15% of cases within 1-3 months.
  • Thrombosis affects all types of prosthetic valves and negatively impacts long-term device efficacy.

Purpose of the Study:

  • To elucidate the underappreciated issue of transcatheter aortic valve or leaflet thrombosis.
  • To highlight its negative impact on long-term prosthesis function and presumed higher incidence.

Main Methods:

  • Diagnosis relies on increased transvalvular pressure gradients or symptoms during follow-up.
  • Identified causes include patient factors (elderly, low ejection fraction, male) and procedural issues (incomplete expansion/apposition, poor flow).
  • Risk factors include large valves, valve-in-valve procedures, and lack of anticoagulation.

Main Results:

  • Post-TAVI antithrombotic therapy is empirical, often aspirin or dual antiplatelet therapy, followed by lifelong aspirin.
  • Symptomatic patients with thrombus-based dysfunction benefit from oral anticoagulation (VKA or NOAC).
  • Anticoagulation treatment restores normal leaflet motion in a median of 14 days.

Conclusions:

  • Transcatheter aortic valve thrombosis is a significant complication that requires better understanding and management.
  • Current treatment strategies involving anticoagulation show promise in restoring valve function.
  • Further research is needed to optimize antithrombotic regimens and improve long-term TAVI outcomes.