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A case of a vertical fracture of the anterior arch of the atlas associated with a congenital cleft of the posterior arch of the same vertebra is reported. Such an association has not previously been described in the literature. X-Ray computed tomography is an excellent exam for visualizing this region and for easily distinguishing between fractures and congenital clefts.

Results of this study in the elderly with fractures of femoral neck, in whom their exists an enhanced thrombogenic risk, showed that the dose of 40 mg per 24 hours as one or two divided injections of enoxaparine was as effective as adapted subcutaneous doses of calcium heparinate. It was also less iatrogenic and easier to manage (biological assays were of little use apart from platelet counts). Clinical evidence of pulmonary embolism, or mortality, were not observed in this series of 103 patients.

Twenty-six hips in 21 patients were available at mean follow up of 5 years in a retrospective functional and radiographic analysis for the purpose of examining the late effects of infantile septic arthritis. Poor results after reconstructive efforts following hips joint sepsis suggest help classification of bony deformation. Epidemiologic and clinical findings were analysed. Late diagnosis and prematurity were found as poor forecast facts.

Two-hundred and twenty-six patients with chronic anterior laxity of the knee treated by Lemaire extra-articular ligamentoplasty were assessed after a follow-up of 2 to 9 years, with a mean of 4.5 years. Fifty-five knees had only an anterior laxity and 166 anterior laxity combined with medial laxity, in 100 of which tensioning or reinforcement of the medial ligament was needed. Forty-two per cent of sporting patients were able to return to sport at the same level, though half of them had some discomfort. Fifty-one per cent of patients did not experience any instability in daily and working life but half of them had occasional pain. Sixty-one per cent of knees did not, at review, show a positive MacIntosh pivot shift test and the absence of pivot shift correlated statistically with the quality of the functional result. In seventy-three per cent of knees there was a positive Lachmantest indicating definite laxity at the review. Thirty per cent of knees developed a lateral laxity, which questions the innocuousness of removal of the iliotibial tract. Twenty-seven per cent showed radiological deterioration of the medial joint space. A comparison of these results with the published results of intra-articular ligamentoplasty suggests that extra-articular ligamentoplasty with fascia lata should be limited to the treatment of isolated chronic anterior ligament laxity in middle-aged patients who do not participate in strenuous sporting activities.