Effect of PRP Injection After Arthroscopic Meniscal Repair in the Healing Process

Thirty ml of venous blood was taken from every patient and collected in sodium citrated sterile tubes. Platelet concentrates obtained by adjusting centrifuge at 1800 rpm for 15 min to separate erythrocytes, then at 3500 rpm for 10 min to concentrate the platelets. The preparation was done by a single laboratory technician. Thus 5 ml of PRP were obtained, 0.2 mL of 10% calcium chloride was added to the final product to activate the platelets and injected immediately without storage.