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  • Title: [Long-term results following intertrochanteric varus osteotomy in aseptic femur head necrosis in the adult].
    Author: Schneider E, Ahrendt J, Niethard FU, Bläsius K.
    Journal: Rofo; 1989 Apr; 150(4):402-6. PubMed ID: 2539616.
    Abstract:
    25 patients suffering from femoral head necrosis in 30 hip joints were radiologically studied for an average of 11.6 years following intertrochanteric varus angulation osteotomy. Preoperatively only stages 2 and 3 according to Meyers were seen. The follow-up results could be distributed into 4 groups. At best the osteonecrosis was reconstructed within 6 to 9 years while the trabeculae started to become rearranged within 2 to 4 years. At worst, rapid destruction in absence of bony reaction was observed. The ability of the bone outside the osteonecrosis to react to changed circumstances following angulation osteotomy correlates with long-term results. This may indicate a general osteopathy even outside the necrotic area.
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