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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...
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...
Venous Thrombosis IV: Nursing Management01:30

Venous Thrombosis IV: Nursing Management

Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants01:18

Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants

Oral anticoagulants are vital tools in preventing and treating blood clotting disorders. This diverse class of medications can be categorized as vitamin K antagonists, exemplified by warfarin, and direct thrombin inhibitors (DTIs), such as dabigatran, as well as factor Xa inhibitors, including rivaroxaban.
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
Pulmonary Embolism III: Nursing Management01:27

Pulmonary Embolism III: Nursing Management

A pulmonary embolism occurs when a thrombus, amniotic fluid, tumor tissue, fat, or air embolus blocks one or more pulmonary arteries. Effective nursing management and patient education are crucial for improving outcomes and preventing recurrence.Nursing management starts with obtaining a comprehensive patient history, particularly noting any history of deep vein thrombosis (DVT). Assess for clinical manifestations, including dyspnea, chest pain, crackles, heart murmurs, and signs of right-sided...

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Related Experiment Videos

Anticoagulation and coagulation management for ECMO.

William C Oliver1

  • 1Department of Anesthesiology, Mayo Clinic, Rochester, Minnesota 55905, USA. oliver.william@mayo.edu

Seminars in Cardiothoracic and Vascular Anesthesia
|September 22, 2009
PubMed
Summary
This summary is machine-generated.

Extracorporeal membrane oxygenation (ECMO) complications like bleeding and thrombosis persist. Advanced monitoring, including thrombelastography, and multidisciplinary care are crucial for improving patient outcomes.

Related Experiment Videos

Area of Science:

  • Biomedical Engineering
  • Critical Care Medicine
  • Hematology

Background:

  • Extracorporeal membrane oxygenation (ECMO) management has evolved, yet complications remain significant.
  • Hemorrhage and thrombosis are primary causes of mortality and morbidity in ECMO patients.
  • The artificial surface of ECMO circuits triggers inflammatory responses, affecting coagulation factors.

Purpose of the Study:

  • To highlight persistent complications in ECMO.
  • To emphasize the need for advanced monitoring and tailored anticoagulation strategies.
  • To underscore the importance of a multidisciplinary approach in ECMO care.

Main Methods:

  • Review of current ECMO management strategies and associated complications.
  • Discussion of the pathophysiological response to extracorporeal circuits.
  • Exploration of advanced monitoring techniques like thrombelastography.
  • Consideration of differential anticoagulation and transfusion needs in neonates versus adults.

Main Results:

  • Bleeding and thrombosis remain the leading causes of adverse events in ECMO.
  • The nonbiologic circuit surface induces a complex inflammatory and prothrombotic/anticoagulant response.
  • Current anticoagulation and transfusion protocols require significant clinical expertise due to patient variability.
  • Thrombelastography and bedside thrombin formation monitoring show promise for improved management.

Conclusions:

  • Optimizing ECMO care necessitates addressing bleeding and thrombosis risks.
  • Advanced hemodynamic monitoring and personalized anticoagulation are essential.
  • Effective ECMO management relies on a collaborative, multidisciplinary team effort.