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Related Concept Videos

Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

796
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...
796
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

466
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...
466
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

480
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...
480
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

736
Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
736
Pulmonary Embolism I: Introduction01:19

Pulmonary Embolism I: Introduction

20
A blood clot, or thrombus, is a semi-solid mass composed of fibrin, platelets, and red blood cells. When it forms within a vessel, it can obstruct blood flow, known as thrombosis. If part of the clot detaches, it becomes an embolus that can travel and block distant vessels. When this occurs in the pulmonary arteries, it causes a condition known as pulmonary embolism (PE).Origin and ImpactMost often, the embolus originates from a thrombus in the deep veins of the lower limbs, a condition called...
20
Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

1.4K
Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
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Related Experiment Video

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A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
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Stent thrombosis: a clinical perspective.

Bimmer E Claessen1, José P S Henriques1, Farouc A Jaffer2

  • 1Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands.

JACC. Cardiovascular Interventions
|October 25, 2014
PubMed
Summary

Coronary stents improve percutaneous coronary interventions, but stent thrombosis remains a risk. This overview covers stent thrombosis, from causes to prevention strategies.

Keywords:
coronary artery diseasepercutaneous coronary interventionstent thrombosis

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Deep Vein Thrombosis Induced by Stasis in Mice Monitored by High Frequency Ultrasonography
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Area of Science:

  • Cardiovascular medicine
  • Interventional cardiology

Background:

  • Intracoronary stents have revolutionized percutaneous coronary interventions (PCIs), increasing their safety and use.
  • Over one million coronary stent implantations occur annually in the U.S.
  • Stent thrombosis is a critical complication that necessitates understanding and prevention.

Purpose of the Study:

  • To provide a comprehensive clinical overview of stent thrombosis.
  • To discuss the pathophysiology of stent thrombosis.
  • To present current recommendations for preventing stent thrombosis.

Main Methods:

  • Review of current literature on stent thrombosis.
  • Analysis of factors influencing stent thrombosis.
  • Evaluation of technical and pharmacological strategies for prevention.

Main Results:

  • Stent thrombosis is a significant complication associated with increased use of coronary stents.
  • Adjunct therapies, stent design, and deployment techniques have been modified to mitigate thrombosis risk.
  • Ongoing research focuses on further reducing the incidence of stent thrombosis.

Conclusions:

  • Understanding stent thrombosis pathophysiology is crucial for effective prevention.
  • Current strategies involve optimizing pharmacological therapy, stent design, and implantation techniques.
  • Continued vigilance and research are necessary to minimize stent thrombosis after PCI.