Allogeneic blood transfusion reduction by risk-based protocol in total joint arthroplasty

Area of Science:

• Anesthesiology
• Hematology
• Orthopedic Surgery

Background:

• Allogeneic blood transfusion (ABT) is a common risk in total joint arthroplasty.
• Minimizing ABT exposure is crucial for patient safety and resource management.
• Preoperative risk stratification can guide transfusion avoidance strategies.

Purpose of the Study:

• To assess the efficacy of a preoperative protocol in reducing allogeneic blood exposure.
• To evaluate a risk-based triage system for patients awaiting joint replacement.
• To determine the impact of targeted interventions on perioperative transfusion rates.

Main Methods:

• A historical control group was compared with a study group (160 patients each) treated with a new protocol.
• Interventions included erythropoietin, autologous blood harvest, and iron/folate supplementation based on preoperative hemoglobin levels and patient characteristics.
• Patients were stratified into four transfusion risk categories.

Main Results:

• The study group experienced a significantly lower relative risk of ABT (0.68).
• Allogeneic blood units transfused decreased from 104 in the control group to 35 in the study group (P = 0.0007).
• No adverse effects or worsening of anemia were observed in the study group.

Conclusions:

• A simple, protocol-driven approach effectively reduces allogeneic blood transfusion in joint arthroplasty patients.
• Preoperative clinical indices can reliably guide interventions to mitigate transfusion risk.
• This strategy offers a safe and effective method for optimizing perioperative blood management.