G Gioia1, D Mandelli, R Gogue. 1. Department of Orthopaedics and Traumatology, San Raffaele Hospital, Via Olgettina 60, 20123 Milan, Italy. gioia.giuseppe@hsr.it
Abstract
PURPOSE: Vertebroplasty and more recently kyphoplasty are recognized as techniques in the treatment of osteoporotic vertebral fractures and in case of pathological fracture like in secondary tumors. The recent introduction of calcium phosphate cement (CPC) that offers, at least theoretically, an osteointegrative capacity, absent in polymethyl methacrylate (PMMA), has generated interest for its use in the treatment of traumatic fractures (type A) even in young patients. METHODS: In this study, type A fractures without neurological signs were treated. A total of six male patients, of age between 21 and 55 years (mean age 38 years), were included. Fracture treatment was performed with kyphoplasty with balloon (Kyphon) and injection of calcium phosphate cement for a total of seven procedures. RESULTS: The results were evaluated according to the regional kyphosis angle and the local kyphosis angle. The postoperative X-ray control showed an average improvement of the regional kyphosis angle of 7.4°; however, this value was reduced by an average of 6.6° after 45 days with regard to the postoperative control. The local kyphosis angle showed an average improvement of 9° at the postoperative control with an average worsening of 9.2° in the control after 45 days. CONCLUSIONS: While kyphoplasty with the use of CPC in the treatment of type A traumatic fractures was effective in the treatment of pain, it has not been so far effective concerning the maintenance of the reduction obtained intra-operatively and its osteointegrative effect.
PURPOSE: Vertebroplasty and more recently kyphoplasty are recognized as techniques in the treatment of osteoporotic vertebral fractures and in case of pathological fracture like in secondary tumors. The recent introduction of calcium phosphate cement (CPC) that offers, at least theoretically, an osteointegrative capacity, absent in polymethyl methacrylate (PMMA), has generated interest for its use in the treatment of traumatic fractures (type A) even in young patients. METHODS: In this study, type A fractures without neurological signs were treated. A total of six male patients, of age between 21 and 55 years (mean age 38 years), were included. Fracture treatment was performed with kyphoplasty with balloon (Kyphon) and injection of calcium phosphate cement for a total of seven procedures. RESULTS: The results were evaluated according to the regional kyphosis angle and the local kyphosis angle. The postoperative X-ray control showed an average improvement of the regional kyphosis angle of 7.4°; however, this value was reduced by an average of 6.6° after 45 days with regard to the postoperative control. The local kyphosis angle showed an average improvement of 9° at the postoperative control with an average worsening of 9.2° in the control after 45 days. CONCLUSIONS: While kyphoplasty with the use of CPC in the treatment of type A traumatic fractures was effective in the treatment of pain, it has not been so far effective concerning the maintenance of the reduction obtained intra-operatively and its osteointegrative effect.
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