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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Arthroskopie 12 (1999), S. 215-221 
    ISSN: 1434-3924
    Keywords: Schlüsselwörter Arthrofibrose ; Ätiologie ; Pathogenese ; Extrazelluläre Matrix ; Zelluläre Interaktionen ; Key words Arthrofibrosis ; Etiology ; Pathogenesis ; Extracellular matrix ; Cellular interactions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Arthrofibrosis represents a severe complication of trauma and surgery around joints with loss of motion due to an excessive fibrotic response in the repair process. Patients with primary arthrofibrosis suffer from a general fibrotic healing response after injury or surgery, while patients with secondary arthrofibrosis exhibit loss of motion due to a local fibrotic healing response. Nonisometric positioning of cruciate ligament grafts, notch impingement or hardware problems may lead to secondary arthrofibrosis. In contrast, the etiology of primary arthrofibrosis is still unknown. There are alterations of the extracellular matrix with an increase in collagen type VI expression similar to other local or systemic fibrotic disorders. A chronic inflammatory process may play a crucial role in the mechanism of primary arthrofibrosis and may indicate an immune response. This immune response may activate inflammatory cells and stimulate resident cells to proliferate and to form extracellular matrix. We still do not know which stimuli trigger the fibrotic response. It may be reasonable to assume that primary arthrofibrosis is an independent disease while secondary arthrofibrosis represents a true complication of trauma and surgery around joints.
    Notes: Die Arthrofibrose ist eine gravierende Komplikation nach Verletzungen und operativen Eingriffen an Gelenken mit einer meist schmerzhaften Einschränkung der Gelenkbeweglichkeit. Die primäre Form wird durch eine generalisierte Narbenbildung charakterisiert, während sich die sekundäre Form auf eine lokale Pathologie zurückführen läßt. Die kausale und formale Pathogenese der primären Arthrofibrose sind bisher nicht geklärt. Neben Veränderungen im Bindegewebe, ähnlich denen bei Organ- und systemischen Fibrosen, findet sich eine chronische inflammatorische Reaktion, die Hinweise auf eine Immunpathogenese liefert. Während die sekundäre Arthrofibrose eine lokale Komplikation darstellt, ist die primäre Form wahrscheinlich ein eigenständiges Krankheitsbild.
    Type of Medium: Electronic Resource
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