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Related Concept Videos

Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors01:20

Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors

Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Formation of the Platelet Plug01:22

Formation of the Platelet Plug

The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
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...
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...
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...
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Peripheral Artery Disease III: Interprofessional Care

Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...

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Related Experiment Videos

Dual Antiplatelet Therapy Duration in Patients at High Bleeding Risk: A Systematic Review and Meta-Analysis.

Andrea Zito1,2, Antonio Landi3, Deepak L Bhatt4

  • 1Department of Cardiovascular and Pulmonary Sciences, Catholic University of the Sacred Heart, Rome, Italy.

JAMA Cardiology
|June 24, 2026
PubMed
Summary
This summary is machine-generated.

For patients at high bleeding risk (HBR) undergoing percutaneous coronary intervention (PCI), abbreviated dual antiplatelet therapy (DAPT) significantly reduces bleeding events. This shorter DAPT duration was not linked to an increased risk of major adverse cardiovascular events compared to standard therapy.

Related Experiment Videos

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Clinical Trials

Background:

  • Optimal duration of dual antiplatelet therapy (DAPT) for patients at high bleeding risk (HBR) after percutaneous coronary intervention (PCI) is not well-defined.
  • Balancing the risk of bleeding against the prevention of ischemic events is crucial in this patient population.

Purpose of the Study:

  • To assess the safety and efficacy of shorter DAPT durations (1-3 months) compared to standard durations (6-12 months) in HBR patients undergoing PCI.
  • To evaluate the impact of abbreviated DAPT on bleeding events and major adverse cardiovascular events (MACE).

Main Methods:

  • A systematic review and meta-analysis of randomized clinical trials (RCTs) were conducted.
  • Searched databases included PubMed, Embase, and Cochrane Central Register of Controlled Trials.
  • Compared abbreviated (1-3 months) versus standard (≥6 months) DAPT durations, analyzing bleeding and MACE outcomes.

Main Results:

  • 14 RCTs with 11,398 HBR patients were included.
  • Abbreviated DAPT showed a significant reduction in major or clinically relevant nonmajor bleeding (MCRB) and major bleeding compared to standard DAPT.
  • No significant difference in MACE or its components was observed between abbreviated and standard DAPT regimens.

Conclusions:

  • Abbreviated DAPT (especially 3-month regimens) is associated with a lower risk of bleeding in HBR patients undergoing PCI.
  • Shorter DAPT durations do not appear to increase the risk of ischemic events compared to standard 6- to 12-month DAPT.
  • These findings support the use of abbreviated DAPT in select HBR patients to mitigate bleeding risk.