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  • Title: Fat embolism in revision total hip arthroplasty.
    Author: Ritter MA, Harty LD.
    Journal: J Arthroplasty; 2002 Dec; 17(8):1063-5. PubMed ID: 12478520.
    Abstract:
    Two patients developed fat embolism syndrome after revision of loose total hip arthroplasties (THAs). During both procedures, the prosthesis became rigidly fixed 1 to 1.5 cm before the expected level of fixation. After uncomplicated operative courses, Patient A remained obtunded and febrile for 2.5 days, and Patient B died 1 day postoperatively. In Patient A, a presumptive diagnosis of fat embolism syndrome was based on the postoperative course and a radiograph of the lungs. In Patient B, the diagnosis was confirmed by evidence of cerebral edema on a computed tomography scan of the head. Fat embolism syndrome is unexpected after revision THA because the fatty tissue is removed from the femoral canal during primary THA. In these 2 cases, the rigid fixation and multiple attempts to impact and subsequently to remove the prosthesis may have caused fat embolism syndrome.
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