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Caisson disease of bone.

P J Gregg, D N Walder

    Clinical Orthopaedics and Related Research
    |September 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Caisson disease of bone, affecting divers and compressed air workers, involves bone necrosis. Bone scintigraphy and serum ferritin levels offer earlier detection than radiography, with scintigraphy proving clinically useful.

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    Area of Science:

    • Orthopedics
    • Radiology
    • Occupational Medicine

    Background:

    • Caisson disease of bone, affecting compressed air workers and divers, is characterized by bone and marrow necrosis, potentially leading to osteoarthrosis.
    • The exact etiology remains uncertain, and early diagnosis is challenging due to delayed radiographic findings.

    Purpose of the Study:

    • To investigate the etiology of caisson disease of bone.
    • To identify early diagnostic methods for bone and marrow necrosis.

    Main Methods:

    • Developed an animal model by inducing bone and marrow necrosis via embolism with glass microspheres.
    • Evaluated bone scintigraphy (99mTc-MDP) and serum ferritin levels for early detection.
    • Investigated the role of hyperoxia in marrow fat cell size changes.

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    Main Results:

    • Bone scintigraphy and serum ferritin measurements detected bone and marrow necrosis earlier than radiography.
    • Bone scintigraphy proved more useful in clinical practice.
    • Evidence suggests increased marrow fat cell size due to hyperoxia may contribute to gas bubble emboli formation.

    Conclusions:

    • Bone scintigraphy is a valuable tool for early detection of caisson disease of bone.
    • Hyperoxia-induced changes in marrow fat cells may play a role in the pathogenesis of caisson disease of bone.