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Related Concept Videos

Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

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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...
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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...
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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...
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Related Experiment Video

Updated: Apr 3, 2026

Leveraging Turbidity and Thromboelastography for Complementary Clot Characterization
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Thromboelastography and Rotational Thromboelastometry use in trauma.

Kareem Abdelfattah1, Michael W Cripps1

  • 1Department of Surgery, University of Texas Southwestern, Dallas, TX, USA.

International Journal of Surgery (London, England)
|September 20, 2015
PubMed
Summary
This summary is machine-generated.

Improving survival in hemorrhagic shock requires appropriate resuscitation. Patient-specific transfusion therapy, guided by viscoelastic testing like Thromboelastography (TEG) or Rotational Thromboelastometry (ROTEM), aims to avoid adverse effects from fixed-ratio protocols.

Keywords:
CoagulopathyMassive transfusionRotational thromboelastometryThromboelastography

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Area of Science:

  • Critical care medicine
  • Hematology
  • Trauma surgery

Background:

  • Massive transfusion protocols (MTPs) using fixed ratios of plasma and platelets are standard for hemorrhagic shock resuscitation.
  • Concerns exist regarding potential adverse effects from large-volume transfusions associated with fixed-ratio MTPs.
  • Developing patient-specific transfusion strategies is crucial to optimize outcomes and minimize risks.

Approach:

  • Viscoelastic testing devices, including Thromboelastography (TEG) and Rotational Thromboelastometry (ROTEM), offer rapid, comprehensive assessment of hemostasis.
  • These analyzers provide real-time data on clot formation, strength, and lysis.
  • Utilizing viscoelastic testing data allows for tailored, dynamic adjustments to transfusion therapy.

Key Points:

  • Viscoelastic testing provides a functional assessment of the patient's coagulation status.
  • TEG and ROTEM can guide the precise administration of blood products, moving beyond fixed ratios.
  • This approach aims to achieve more effective hemostasis while potentially reducing unnecessary product administration.

Conclusions:

  • Patient-specific transfusion therapy guided by viscoelastic testing represents a promising advancement in managing hemorrhagic shock.
  • This personalized approach has the potential to improve survival rates and reduce transfusion-related complications.
  • Further research and clinical integration of TEG/ROTEM in trauma and critical care are warranted.