Recurrent Hematthrosis Following Total Knee Arthroplasty

Recurrent hemarthosis is a rare complication following total knee arthroplasty. The incidence is about 0.5% according to the literature. Most cases are associated with hemophilia. We present a case of marked joint swelling occurring 84 months after primary total knee arthroplasty (cemented, AMK®, Depuy, Warsaw). Arthrocentesis of the involved knee revealed much bloody fluid. Another three episodes were noted within one month. The patient denied experiencing trauma or receiving oral anticoagulant therapy. Coagulation profile was within normal limits. The patient experienced recurrent hemarthrosis and consequently underwent an exploratory arthrotomy. Hypertrophic, pigmented synovium and impingement of synovial membrane and part of popliteal ligament between the lateral femoral condyle and polyethylene tibial insert were found and excised during surgery. From the pathology report, a diagnosis of hemosiderotic synovitis was impressed. The post-operative course was rather smooth and the patient remains symptom-free 32 months after surgery.

並列關鍵字

recurrent hemarthrosis ； total knee arthoplasty ； hemosiderotic synovitis

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