title: [Long-term results of the forage-biopsy in grade I and II osteonecrosis of the femoral head. Apropos of 133 cases re-examined after an average time of 9 years 6 months].
abstract: The results of 133 operations of cervical forage are reported with an average follow-up of 9 years. There were 94 p. 100 of good results in grade I cases and 82 p. 100 in grade II cases. The basis of the procedure is to produce a decrease of pressure in the venous circulation of the bone. The importance of early operation is stressed.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001706:Biopsy; D002648:Child; D005260:Female; D005270:Femur Head / Q000473:pathology*; D005271:Femur Head Necrosis / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D013997:Time Factors
vernacular_title: Résultats à long terme du forage-biopsie pour les ostéonécroses de la tête fémorale aux stades I et II. A propos de 133 cas revus après un délai moyen de 9 ans 6 mois.