La Chirurgia degli organi di movimento
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Review Comparative Study
Sacro-iliac joint pain: etiology and conservative treatment.
Orthopedic surgeons use many modalities in conservative treatment of low back pain (LBP) and sacroiliac pain (SIP) but few have been studied with randomized controlled trials. We have been studying the physiological effects of manipulation on joints and the clinical effect on patients. ⋯ The iliac and sacral surfaces of the sacroiliac joint develop differently. Although this statement need further study it seems that manipulations may play a role in the treatment of LBP and SIP.
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The authors describe a case of traumatic monolateral dislocation of L5 on S1. It is a very rare lesion which involves serious diagnostic and therapeutic problems. Surgical treatment constituted by reduction and stabilization alone can obtain stable correction of the deformity and complete functional recovery.
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Multicenter Study Comparative Study Clinical Trial
Neoadjuvant chemotherapy for the treatment of osteosarcoma of the extremities: excellent response of the primary tumor to preoperative treatment with methotrexate, cisplatin, adriamycin, and ifosfamide. Preliminary results.
A total of 48 patients with non-metastatic osteosarcoma of the extremities were treated with a new neoadjuvant chemotherapy protocol which, prior to surgery, included the use of high dose methotrexate, cisplatin, adriamycin and ifosfamide. Cisplatin was administered intra-arterially, whereas the other drugs were given intravenously. In all of the cases response to this chemotherapy protocol was very good, allowing for conservative treatment in 46 out of 48 patients. ⋯ Drug toxicity was acceptable. Results were significantly better than those previously obtained in our and in other institutes when only three drugs were used (methotrexate, cisplatin, and adriamycin) in the preoperative treatment scheme. Since it has been demonstrated that grade of histological response to preoperative chemotherapy, and prognosis are closely related in osteosarcoma of the extremities treated with neoadjuvant chemotherapy, in addition to allowing for the use of conservative surgery in the majority of cases, this new protocol may also lead to a significant increase in the patient cure rate.
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The authors illustrate the results of a series of 47 fractures of the odontoid process all treated according to two non-surgical methods, among the most diffused and accepted: Minerva plaster and halo-plaster. The various elements used to classify odontoid fractures are examined, as is their importance for prognosis. The conclusions refer to two essential points: 1) fractures with a higher risk of nonunion are Anderson type II, with posterior shifting, in elderly patients; 2) reduction and immobilization with a halo-plaster may be considered the first choice of a method for most of these fractures, in consideration of the limited risk of nonunion involved.
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The authors report preliminary results of femoral lengthening performed with monolateral external fixation over elastic stable intramedullary nailing in children. Seven femoral lengthenings were performed in six patients, at a mean age at surgery of 6.6 years (range 1.5-12 years). All lengthenings were performed due to limb length discrepancy (congenital hypoplasia in four patients, growth arrest secondary to neonatal infective osteoarthritis in one, type II sacral agenesis in one). ⋯ There were two premature consolidations requiring mobilisation under general anaesthesia, and a case of failure of consolidation requiring surgery. The technique reported provides indisputable biomechanical advantages, particularly increasing stability at the site of osteotomy. The characteristics of implants make this method ideal for lengthenings in children.