Prospective Evaluation of Elderly Deformity Surgery

Inclusion Criteria: * Age 60 years or older at the time of surgery * Diagnosis of adult spinal deformity either in the coronal or sagittal plane requiring at the minimum a 5-level spinal fusion procedure * Ability to understand the content of the patient information / Informed Consent Form * Willingness and ability to participate in the clinical investigation according to the Clinical Investigation Plan (CIP) * Signed and dated Institutional Review Board (IRB)/Ethics Committee (EC)-approved written informed consent * Reconsent of patients for the 5 year follow-up if required by the IRB/EC Exclusion Criteria: * Any previous spinal procedure (except prior decompression of a maximum of 2 levels) * Neurodegenerative disease or paralysis * Unlikely to comply with follow-up * Institutionalized individuals * Any not medically managed severe systemic disease * Recent history (≤ 3 months) of substance abuse (ie, recreational drugs, alcohol) or psychosocial disturbance that would preclude reliable assessment * Prisoner * Presence of active malignancy * Has active, overt bacterial infection, systemic or local * History of recent(≤ 3 months) fracture/malignancy in the spinal region * Participation in any other medical device or medicinal product study within the previous month that could influence the results of the present study