Preliminary results of staged anterior debridement and reconstruction using titanium mesh cages in the treatment of thoracolumbar vertebral osteomyelitis
Abstract
Vertebral osteomyelitis can be successfully treated with spinal immobilization and parenteral antibiotics. Failure of medical therapy may necessitate surgical treatment consisting of anterior debridement and structural anterior column reconstruction. Autologous structural bone graft has traditionally been the gold standard in anterior column reconstruction. Because of the morbidity related to graft harvest, vertebral body replacement cages have emerged as a viable option for reconstructing a deficient anterior column. To evaluate the efficacy of titanium mesh cages in the reconstruction of anterior column defects in the presence of active pyogenic infection. Prospective case series. Eleven patients underwent operative treatment for osteomyelitis of the thoracolumbar spine using staged anterior debridement and reconstruction with cylindrical titanium mesh cages followed by delayed posterior spinal fusion with pedicle screw instrumentation during a 2-year period. Patients were postoperatively evaluated clinically and radiographically. Follow-up averaged 17+/-9 months. Average increase in kyphosis of 10+/-6 degrees corresponding to 4+/-4 mm loss in the height (subsidence) of the anterior construct. One patient died during revision...Continue Reading
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