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[Haemostatic changes related to extracorporeal circulation (ECC) (author's transl)]
Der Anaesthesist
|February 1, 1981
Summary
Post-heart surgery bleeding, not from the surgical site, stems from platelet issues and altered hemostasis. Monitoring fibrinogen, prothrombin, antithrombin III, and alpha 2-macroglobulin aids in managing bleeding risk.
Area of Science:
- Cardiovascular Surgery
- Hematology
- Hemostasis and Thrombosis
Context:
- Post-extracorporeal circulation (ECC) bleeding after open-heart surgery is a significant clinical concern.
- This bleeding is often multifactorial, involving platelet dysfunction and alterations in the coagulation and fibrinolytic systems.
- Imbalances in coagulation factors and their inhibitors contribute to excessive post-operative bleeding.
Purpose:
- To identify key hemostatic parameters for early detection of bleeding risk after ECC.
- To provide a basis for guiding substitution therapy in patients with post-operative bleeding.
Summary:
- Post-surgical bleeding not directly related to the surgical procedure after extracorporeal circulation (ECC) originates from platelet number and function disorders, and altered hemostatic balance.
- Assays for fibrinogen (factor I), prothrombin (factor II), antithrombin III (AT III), and alpha 2-macroglobulin (A 2 M) are recommended for early detection of excessive bleeding tendencies.
- Monitoring these coagulation parameters allows for targeted substitution therapy to manage bleeding risks.
Impact:
- Enables earlier identification of patients at risk for excessive post-operative bleeding.
- Facilitates more precise and effective therapeutic interventions for bleeding complications.
- Improves patient outcomes by optimizing the management of hemostatic balance after open-heart surgery.