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General Orthopaedics

REDUCTION OF POST-OPERATIVE BLEEDING AND TRANSFUSION RATE AFTER TOTAL KNEE ARTHROPLASTY USING THE SUBCUTANEOUS INDWELLING CLOSED SUCTION DRAINAGE METHOD

The International Society for Technology in Arthroplasty (ISTA), 27th Annual Congress. PART 4.



Abstract

The purpose of this prospective randomized study was to compare the visible, hidden, total blood loss and postoperative haemodynamic change of subcutaneous and intra-articular indwelling closed suction drainage method after total knee arthroplasty (TKA). Patients with primary osteoarthritis, who underwent unilateral TKA were enrolled; Group A with subcutaneous (n=78) and group B with intra-articular (n=79) indwelling closed suction drainage method. Total blood loss, visible blood loss, internal blood loss, postop (day 1), 5th, 10th day hemoglobin, hematocrit levels were compared. Allogenic blood transfusion rate and complications related to soft tissue hematoma formation were additionally compared. Subcutaneous indwelling closed suction drainage method reduced both the visible blood loss and total blood loss (hemovac drainage + internal blood loss) thus decreasing the rate of allogenic transfusion. Although the minor complications such as the incidence of bullae formation and the ecchymosis were higher in the subcutaneous indwelling group, the functional outcome at postoperative 2 year did not demonstrate difference from intra-articular drainage group.


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