Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of Orthopaedics Surgery

Cervical myelopathy is a condition caused by narrowing of cervical spinal canal leading to cord dysfunction, compression is usually progressive and will often require surgical intervention to prevent further disability, many patient experience significant improvement in symptoms after surgery so operative intervention should considered for almost all patient (4). Clinical diagnosis was based on careful history, careful physical and neurological examination and radiographic evaluation. The average duration of symptoms in this work was 11 month (5-24month). Patient may present with average of symptoms as numbnessو spasticity of upper limbs, loss of balance, deterioration of gait and hand function and can end with paralysis, Patient{u2019}s pre-operative Nurrick disability score was 2.9 SD±1.02 and Modified Japanese orthopaedic association score was 9.46 SD ± 2.07.Our study included 50 patients who underwent ACDF using anatomical peek cages constructs which achieving immediate load bearing support to the anterior column, restoration of disc height, foraminal decompression and facilitates interbody fusion also achieving segmental stability while providing structural support for bone growth inside and around the cage itself. The cervical PEEK cages achieve high fusion rates in multilevel surgery. The implant improved cervical spine sagittal balance at operated levels and correction was maintained for long follow up in combination with patient reported improvements in pain outcomes, functional outcomes

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