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SURGICAL TREATMENT OF SPONDYLODISKITIS USING THE POSTERIOR FUSION SYSTEM VARIGRIP



Abstract

Aim: Presentation of the application of the transcervical system of posterior spinal fusion Varigrip in spinal infections showing its rapid and safe application and also its stability to the spinal level where it is applied to.

Patients and Methods: 22 patients (13 men / 9 women) with mean age 50, 6 years (18–79) and mean follow up time is 34,6 months (9–62) were included in our study. In 10 patients the level was in lumbar spine and in 12 in thoracic spine. In their admission 16 patients had neurological deficit and 22 mean pain score according to VAS 8, 4 (6–10). ESR was increased in 14 patients, CRP in 20 and 7 patients had also increased WBC. All 22 patients had increased signal of Tc” and 69Ga in the level of the lesion and also pathological signal in MRI (Tl, T2 and Tl with Gadolinium). All the patients underwent posterior spinal fusion using Varigrip system and 17 of these underwent in the same time somatectomy and anterior fusion.

Results: Pathologic organism was isolated to all the patients. In 20 patients the tissue culture of the lesion isolated the pathologic organism and the other 2 patients came to us with positive blood cultures from other hospitals. 6 months postoperatively 21 patients referred pain score according to VAS 2,4 (1–4) and 1 patient had no improvement (5–7). 1 patient died of PE, another of chest infection and one of head injury. 1 patient had recurrence of the infection in another level, 1 had herpeszoster and 1 had infection of the surgical wound. All the patients had neurological improvement postoperatively.

Conclusions: The method is characterized as safe because of avoidance of the neurological structures. It can be applied also safely to patients with osteoporosis. Its application is rapid so the surgical time is minimum and also it doesn’t need image intensifier during the surgical procedure. It can be applied easily either in thoracic or lumbar spine and it provides stability of the spine.

Correspondence should be addressed to 8 Martiou Str. Panorama, Thessaloniki PC:55236, Greece.