Related Experiment Video
Updated: Jul 27, 2025
06:41
Veno-Venous Extracorporeal Membrane Oxygenation in a Mouse
Published on: October 24, 2018
12.5K
Hemostatic disorders associated with extracorporeal membrane oxygenation
Martin Mirus1, Lars Heubner1, Johannes Kalbhenn2
1Department of Anesthesiology and Intensive Care Medicine, University Hospital Dresden, Technische Universität Dresden, Dresden, Germany.
Minerva Anestesiologica
|June 7, 2023
Summary
Extracorporeal membrane oxygenation (ECMO) therapy often causes bleeding and clotting issues. Early diagnosis and personalized anticoagulation strategies are crucial for managing hemostatic disorders during ECMO.
Area of Science:
- Cardiovascular Medicine
- Hematology
- Critical Care Medicine
Background:
- Hemostatic disorders, including bleeding and thrombosis, are frequent complications during extracorporeal membrane oxygenation (ECMO) therapy.
- Bleeding complications during ECMO are often associated with fatal outcomes, necessitating early identification and diagnosis.
- Traditional laboratory tests may fail to detect severe coagulation disorders in ECMO patients, highlighting the need for improved diagnostic approaches.
Purpose of the Study:
- To emphasize the importance of early identification and diagnosis of hemostatic disorders in patients undergoing ECMO.
- To discuss the challenges in diagnosing and managing bleeding and thrombotic complications during ECMO.
- To advocate for a personalized approach to anticoagulation therapy based on a thorough understanding of coagulation status.
Main Methods:
- Reviewing the literature on hemostatic complications during ECMO.
- Analyzing the limitations of routine laboratory tests in ECMO patients.
- Discussing advanced diagnostic tools and monitoring strategies for anticoagulation.
Main Results:
- Bleeding is more frequent and dangerous than thrombosis during ECMO.
- Acquired von Willebrand syndrome, platelet dysfunction, coagulopathy, and silent hemolysis are key considerations for bleeding.
- Impaired intrinsic fibrinolysis may necessitate intensified anticoagulation, even in bleeding patients.
Conclusions:
- Accurate diagnosis and management of hemostatic disorders during ECMO are challenging but essential.
- Personalized anticoagulation, guided by advanced monitoring and consideration of underlying conditions, can prevent complications.
- Implementing routine screening for primary hemostasis disorders and drug monitoring is recommended for optimal patient care.
Related Concept Videos
01:24Disorders of Hemostasis
1.0K
Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
1.0K
01:20Extrinsic and Intrinsic Pathways of Hemostasis
8.4K
Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...
8.4K
01:21Acute Respiratory Failure-II
291
Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
291
01:24Hemodialysis II: Procedure and Complications
42
DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
42
01:24Blood Pressure Imbalances and Circulatory Shock
822
Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
822
01:23Hypoxia
1.1K
Hypoxia is a medical condition characterized by an inadequate oxygen supply to body tissues. It typically manifests as a bluish discoloration of the skin and mucosae, especially in fair-skinned individuals, when hemoglobin (Hb) saturation drops below 75%.
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
1.1K