Purpose The purpose of this study is to determine the long term-results after thoracoscopic spondylodesis particularly with respect to a ventral versus dorso-ventral treatment strategy. Methods In this prospective cohort study, a follow-up examination was performed in 19 patients (seven men, 12 women, average age: 37.7 years, follow-up rate: 79 %), six years after ventral thoracoscopic spondylodesis of unstable, incomplete burst fractures. Nine patients received a ventral monosegmental spondylodesis with iliac crest bone graft. The other ten cases were treated dorso-ventrally, five undergoing a ventral monosegmental treatment with iliac crest bone graft; the other five a ventral bisegmental treatment with expandable titanium cage. Results The complication rate was 15.7 %, the rate of revision of 10.5 %. No complication was related to the ventral thoracoscopic approach, whereas all of them were related to the iliac crest bone graft. The operative bisegmental kyphotic reduction was higher in the dorso-ventrally treated group. Afterwards, the loss of reduction was similar in both study groups. The mean VAS spine score summed up to more than 80 in both groups. The mean PCS scores were comparable to a normal healthy collective of the same age. Conclusions The ventral thoracoscopic approach to the spine seems to be a safe therapeutic strategy. A dorsoventral treatment concept goes along with a higher operative reduction potential.
High rates of osseous consolidation are visible 6 years after ventral spondylodesis by iliac crest bone grafts. A further improvement of consolidation can be expected after dorsal implant removal. But the surgical approach to the iliac crest is accompanied with a relevant complication rate.
Pyoderma gangrenosum is a rare non-infectious neutrophilic dermatitis, whereas necrotizing fasciitis is a life-threatening bacterial soft tissue infection of the fascia and adjacent skin. As in the case described here after intramedullary nailing, the clinical appearance of both diseases can be similar. Because of the completely different therapeutic approach and a worse outcome in the case of false diagnosis, pyoderma gangrenosum should always be taken into consideration before treating necrotizing fasciitis.
The current management of injuries of the spine effectuates a high rate of resumption of sports activity following conservative or operative treatment.
After 5 years the therapy concept seems to be of low risk and not being associated with major complications. The PCS and MCS scores are comparable to a norm group of the same age. The correction loss exceeded the operative reduction marginally but turned out to be slightly lower compared to that of an isolated kyphoplasty.
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