Update on massive transfusion.

Area of Science:

• Critical Care Medicine
• Transfusion Medicine
• Trauma Surgery

Background:

• Massive hemorrhage necessitates massive transfusion (MT) to sustain circulation and hemostasis.
• Effective management requires robust preparation and inter-team communication.

Purpose of the Study:

• To outline essential components for optimal management of massively bleeding patients.
• To review current evidence and identify areas for further research in MT.

Main Methods:

• Review of current literature and clinical practice guidelines for massive transfusion.
• Analysis of factors influencing outcomes in trauma, obstetrical, and surgical bleeding.

Main Results:

• Well-defined MT protocols enhance ordering, preparation, and delivery of blood products.
• Early damage control resuscitation and balanced blood product ratios (plasma, platelets, RBCs) are associated with improved outcomes.
• Tranexamic acid reduces mortality in trauma patients requiring MT; cryoprecipitate may benefit obstetrical bleeding.

Conclusions:

• Standardized MT protocols and early, balanced resuscitation are crucial.
• Further research is needed on optimal blood product ratios, specific therapies, and laboratory integration for managing massive hemorrhage.