Related Experiment Video

Updated: Aug 8, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

Thrombosis and anticoagulation therapy in coronary ectasia

P E Perlman1, N A Ridgeway

  • 1Division of General Internal Medicine, East Tennessee State University, Johnson City.

Clinical Cardiology
|September 1, 1989
PubMed

Insights

Coronary ectasia, a nonatherosclerotic condition, can lead to dangerous blood clots. Chronic warfarin therapy may prevent thrombosis in patients with this condition.

Area of Science:

  • Cardiology
  • Vascular Biology
  • Thrombosis Research

Background:

  • Coronary ectasia is a nonatherosclerotic condition characterized by abnormal widening of the coronary arteries.
  • Patients with coronary ectasia may be at increased risk for thrombotic events due to altered hemodynamics and endothelial dysfunction.
  • Unstable angina is a critical manifestation of myocardial ischemia, often linked to coronary artery disease or other pathologies.

Observation:

  • A 41-year-old male presented with unstable angina.
  • Diagnostic angiography revealed diffuse coronary ectasia and a partially occluding thrombus in the left anterior descending artery.
  • The patient's symptoms resolved following anticoagulation therapy.

Findings:

  • Initial treatment with heparin followed by warfarin led to symptom relief and angiographic resolution of the thrombus.
  • Follow-up angiography at 3.5 months confirmed thrombosis resolution.
  • The patient remained asymptomatic and well at a three-year follow-up.

Implications:

  • Nonatherosclerotic coronary ectasia predisposes to thrombosis, potentially due to mechanisms like vasospasm, intimal damage, and disturbed blood flow.
  • Chronic anticoagulation with warfarin may be a beneficial long-term strategy for managing thrombotic risk in patients with coronary ectasia.
  • Further research is warranted to establish definitive treatment guidelines for coronary ectasia and associated thrombotic complications.

More Related Videos

Mouse Models for Graft Arteriosclerosis07:37

Mouse Models for Graft Arteriosclerosis

Published on: May 14, 2013

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function10:28

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function

Published on: March 15, 2022

Related Concept Videos

Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

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...
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

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

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

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...