• J Neurol Surg A Cent Eur Neurosurg · May 2015

    Long-term outcome after adjacent two-level anterior cervical discectomy and fusion using stand-alone plasmaphore-covered titanium cages.

    • Serge Marbacher, Teresa Hidalgo-Staub, Jenny Kienzler, Carola Wüergler-Hauri, Hans Landolt, and Javier Fandino.
    • Department of Neurosurgery, Kantonsspital Aarau (KSA), Aarau, Switzerland.
    • J Neurol Surg A Cent Eur Neurosurg. 2015 May 1; 76 (3): 199-204.

    BackgroundReports on long-term outcome of stand-alone contiguous two-level anterior cervical discectomy and fusion (ACDF) using stand-alone Plasmaphore-coated titanium cages (PCTCs) are rare, and data on follow-ups > 3 years are missing.ObjectiveTo evaluate the long-term outcome of adjacent two-level microsurgical ACDF using stand-alone PCTC.Patients/Material And MethodsA total of 33 consecutive patients presented with cervical degenerative disc disease (DDD) underwent contiguous two-level ACDF. Clinical long-term evaluation (mean: 61 ± 14 months) included documentation of neurologic deficits (motor deficits, sensory deficits, reflex status, and gait disturbance), neck pain, and radicular pain. Functional outcome was measured using the Odom criteria, patient-perceived outcome, and evaluation of work status. Radiographs were evaluated to assess intervertebral disc height, subsidence, level of fusion, sagittal balance, and implant position.ResultsSurgery was performed at levels C5-C6 and C6-C7 in 30 patients and at C4-C5 and C5-C6 in 3 (mean age: 50.1 ± 7.7 years). Symptoms and neurologic deficits improved as follows: neurologic deficits (pre: 100%; post: 36%), radicular pain (pre: 85%; post: 15%), and neck pain (pre: 94%; post: 33%). Excellent and good functional and subjective outcome was noted in 75%. Cage subsidence was found to be more prominent in the lower (52%) than the upper (36%) mobile cervical segment. Two-level fusion was documented in most patients (n = 29 [88%]). Kyphotic deformity occurred in two cases (n = 2 [6%]).ConclusionsStand-alone contiguous two-level ACDF using PCPT proved to be effective, yielding good long-term clinical and functional outcomes. The relatively high rate of subsidence did not affect the good clinical and functional long-term outcome.Georg Thieme Verlag KG Stuttgart · New York.

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