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Instrumented Posterior Arthrodesis of the Lumbar Spine: Prospective Study Evaluating Fusion Outcomes in Patients Receiving an Interspinous Fixation Device for the Treatment of Degenerative Spine Diseases – Lumbar Fusion

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This article presents the results of a prospective evaluation of radiographic fusion outcomes in patients who received minimally invasive interspinous fixation devices during instrumented posterior arthrodesis of the lumbar spine. A total of 43 patients, representing 69 treated levels, underwent a follow-up CT scan to assess fusion. The fusion was assessed using a grading scale by three independent radiologists. The study found that 92.8% of the assessed levels were considered fused, with no instances of device mechanical failure or device-related reoperation. The study also identified four asymptomatic spinous process fractures, all of which healed without intervention. Overall, the study suggests that the use of minimally invasive interspinous fixation devices in instrumented posterior arthrodesis of the lumbar spine provides clinically meaningful fusion rates with low risks of complications

Summarised by Mr Mo Akmal – Lead Spinal Surgeon
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Published article

CONCLUSION: Instrumented posterior arthrodesis of the lumbar spine using a minimally invasive interspinous fixation device provides clinically meaningful fusion rates with no reoperations and a low risk of spinous process fracture or other device-related complications.

Lumbar Fusion Surgery Expert. Best Spinal Surgeon UK
J Pain Res. 2023 Aug 24;16:2909-2918. doi: 10.2147/JPR.S417319. eCollection 2023.ABSTRACTPURPOSE: Prospective evaluation of radiographic fusion outcomes in patients receiving instrumented posterior arthrodesis of the lumbar spine using a minimally invasive interspinous fixation device.PATIENTS AND METHODS: All patients (n = 110) from a single US physician’s practice who received instrumented posterior arthrodesis of the lumbar spine,

J Pain Res. 2023 Aug 24;16:2909-2918. doi: 10.2147/JPR.S417319. eCollection 2023.

ABSTRACT

PURPOSE: Prospective evaluation of radiographic fusion outcomes in patients receiving instrumented posterior arthrodesis of the lumbar spine using a minimally invasive interspinous fixation device.

PATIENTS AND METHODS: All patients (n = 110) from a single US physician’s practice who received instrumented posterior arthrodesis of the lumbar spine with a minimally invasive interspinous fixation device in the calendar year 2020 were invited to return for a follow-up CT scan to radiographically assess fusion. Forty-three patients, representing 69 total treated levels, consented to participate and received a lumbar CT scan at a mean of 459 days post-surgery (177 to 652). The interspinous/interlaminar fusion was assessed by 3 independent radiologists using a novel grading scale. Spinous process fractures were also assessed.

RESULTS: 92.8% of the assessed levels were considered fused. There were no intraoperative spinous process fractures. There were 4 spinous process fractures (5.8%) identified on CT imaging, all of which were asymptomatic and healed without subsequent intervention. There were no instances of device mechanical failure or device-related reoperation.

CONCLUSION: Instrumented posterior arthrodesis of the lumbar spine using a minimally invasive interspinous fixation device provides clinically meaningful fusion rates with no reoperations and a low risk of spinous process fracture or other device-related complications.

PMID:37649625 | PMC:PMC10463371 | DOI:10.2147/JPR.S417319

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Instrumented Posterior Arthrodesis of the Lumbar Spine: Prospective Study Evaluating Fusion Outcomes in Patients Receiving an Interspinous Fixation Device for the Treatment of Degenerative Spine Diseases

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J Pain Res. 2023 Aug 24;16:2909-2918. doi: 10.2147/JPR.S417319. eCollection 2023.ABSTRACTPURPOSE: Prospective evaluation of radiographic fusion outcomes in patients receiving instrumented posterior arthrodesis of the lumbar spine using a minimally invasive interspinous fixation device.PATIENTS AND METHODS: All patients (n = 110) from a single US physician's practice who received instrumented posterior arthrodesis of the lumbar spine

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