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Coronary Artery Disease V: Interprofessional Care01:27

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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...
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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the...
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Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
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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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Related Experiment Video

Updated: May 4, 2026

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section
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Multiple and recurrent coronary stent fractures.

Mohammad Alqarqaz1, Derar Albashaireh, Mayra Guerrero

  • 1Department of Medicine, Division of Cardiology, Heart and Vascular Institute, Henry Ford Hospital, 2799 West Grand Boulevard, Detroit, MI 48202 USA. MGUERRE1@hfhs.org.

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Summary

Coronary stent fractures, particularly in drug-eluting stents, can lead to serious complications. This case highlights surgical bypass as a successful treatment for recurrent multiple stent fractures.

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Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Biomedical Engineering

Background:

  • Coronary stent fracture is a recognized complication, especially with drug-eluting stents.
  • Stent fractures are linked to adverse outcomes like restenosis and thrombosis.
  • Optimal management strategies for coronary stent fractures remain debated.

Observation:

  • A patient presented with recurrent sirolimus-eluting stent fractures in the left anterior descending artery.
  • Clinical manifestations varied, including angina, myocardial infarction, and cardiac arrest.
  • The fractures involved multiple stents over time.

Findings:

  • Surgical coronary artery bypass grafting (CABG) was performed.
  • This intervention successfully managed the recurrent stent fractures and associated complications.
  • The case underscores the potential severity and management challenges of complex stent fractures.

Implications:

  • Coronary artery bypass surgery may be a definitive treatment for complex, recurrent drug-eluting stent fractures.
  • Further research is needed to elucidate fracture mechanisms and refine treatment algorithms.
  • Understanding predisposing factors is crucial for preventing stent failure and improving patient outcomes.