The management of perioperative bleeding

Area of Science:

• Anesthesiology
• Hematology
• Surgical Sciences

Background:

• Excessive perioperative bleeding is a significant surgical complication, increasing patient morbidity and mortality.
• Causes include pre-existing bleeding disorders, operative factors, and coagulation abnormalities from blood loss.
• Complex surgeries like cardiopulmonary bypass and liver transplantation present unique hemostatic challenges.

Purpose of the Study:

• To highlight the importance of identifying patients at risk for excessive perioperative bleeding.
• To emphasize understanding perioperative hemostatic changes for improved management strategies.
• To discuss current and emerging pharmacological and diagnostic interventions.

Main Methods:

• Review of causes and contributing factors to perioperative bleeding.
• Discussion of hemostatic changes during complex surgical procedures.
• Evaluation of pharmacological interventions (aprotinin, tranexamic acid, desmopressin, recombinant VIIa).
• Assessment of near-patient testing (thromboelastography, platelet function analyzers).

Main Results:

• Perioperative bleeding is multifactorial, often involving a combination of pathologies.
• Near-patient testing allows for detailed assessment of hemostasis.
• Pharmacological agents are used for prophylaxis and treatment of bleeding.
• A primary goal is reducing allogeneic blood transfusions.

Conclusions:

• Effective management of perioperative bleeding requires identifying at-risk patients and understanding hemostatic dynamics.
• Advanced diagnostic tools and targeted pharmacological interventions are crucial.
• Reducing allogeneic blood transfusions remains a key objective in perioperative care.