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Introduction to Hemostasis01:05

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Hemostasis is a complex physiological process that prevents excessive bleeding when a blood vessel is injured. It's crucial for maintaining the integrity of the circulatory system, as it ensures that our blood remains fluid while still within the vascular network and yet clots to prevent blood loss upon vessel injury.
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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Acute Coronary Syndrome I: Introduction01:30

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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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Extrinsic and Intrinsic Pathways of Hemostasis01:20

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Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
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Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
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Rapid Response to Traumatic Vascular Injury: An Institutional Code Angio Protocol.

Shriya Veluri1, Dylan Later2, Jorge Lopera2

  • 1Long School of Medicine, University of Texas HSC San Antonio, San Antonio, Texas.

Seminars in Interventional Radiology
|November 17, 2025
PubMed
Summary
This summary is machine-generated.

Implementing a Code Angio protocol significantly reduced response times for traumatic vascular injuries. This rapid vascular and interventional radiology (VIR) activation improved patient survival rates and decreased the need for invasive surgeries.

Keywords:
angioembolizationguidelinesrapid responsetraumavascular injury

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Area of Science:

  • Trauma care
  • Vascular surgery
  • Interventional radiology

Background:

  • Traumatic vascular injuries are a leading cause of death and disability, particularly in young adults.
  • Vascular and interventional radiology (VIR) offers minimally invasive solutions for these injuries.
  • Timely intervention is critical for managing life-threatening hemorrhage.

Purpose of the Study:

  • To evaluate the implementation and impact of a Code Angio protocol at a Level I trauma center.
  • To assess the protocol's effectiveness in expediting VIR response times for traumatic vascular injuries.
  • To analyze the impact on patient outcomes, surgical interventions, and resource utilization.

Main Methods:

  • A Code Angio protocol was initiated, using automated alerts to notify a multidisciplinary team (VIR, trauma surgery, anesthesia, OR) for patients meeting vascular injury criteria.
  • Data was collected from August 2014 to 2024, analyzing response times, interventions, and patient survival.
  • A retrospective analysis of 1,447 cases was performed to assess protocol effectiveness.

Main Results:

  • Code Angio implementation led to decreased VIR response times, with most activations occurring within 60 minutes.
  • The protocol reduced the need for urgent laparotomies for hemorrhage control.
  • Patients managed with Code Angio demonstrated higher survival rates compared to surgery alone.

Conclusions:

  • Rapid response protocols like Code Angio significantly improve patient outcomes in traumatic vascular injuries.
  • The protocol optimizes resource utilization and enhances healthcare efficiency in trauma centers.
  • Continuous refinement and integration with trauma guidelines are essential for further optimization.