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Related Experiment Videos

Hemarthrosis associated with sodium warfarin

A M Jaffer, F R Schmid

    The Journal of Rheumatology
    |January 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Warfarin (sodium warfarin) can cause acute hemarthrosis, even within therapeutic ranges. Discontinuing the anticoagulant medication resolved synovitis, but long-term joint function requires further evaluation.

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    Area of Science:

    • Rheumatology
    • Hematology
    • Pharmacology

    Background:

    • Acute hemarthrosis is a painful joint effusion. Sodium warfarin is a common anticoagulant. Drug-induced joint complications require careful diagnosis.
    • Patients on sodium warfarin therapy may develop joint complications, including acute hemarthrosis. Understanding these adverse events is crucial for patient management.

    Purpose of the Study:

    • To report on three cases of acute hemarthrosis associated with sodium warfarin therapy.
    • To investigate the diagnostic and therapeutic approach to warfarin-induced hemarthrosis.

    Main Methods:

    • Case series analysis of three patients experiencing acute hemarthrosis.
    • Clinical evaluation, synovial fluid aspiration, and prothrombin time (PT) monitoring.

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    Main Results:

    • Three patients developed acute hemarthrosis while on sodium warfarin. Synovial aspiration was diagnostic and well-tolerated.
    • Two patients had PT within the therapeutic range, and one had a history of prior joint disease with minor trauma. Symptoms resolved after warfarin discontinuation.

    Conclusions:

    • Sodium warfarin can precipitate acute hemarthrosis, even at therapeutic levels. Prompt diagnosis via synovial aspiration and cessation of warfarin are key.
    • While joint function appeared to recover, long-term monitoring is necessary to assess the full impact of warfarin-induced hemarthrosis on joint health.