• Hua Chen, Hao Liu, Beiyu Wang, Yuxiao Deng, and Chen Ding.
• Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, China.
• Medicine (Baltimore). 2018 Aug 1; 97 (34): e11605.

RationaleWe report a rare, acute neurological deterioration after cervical laminoplasty due to post-decompression spinal cord edema associated with ankylosing spondylitis in a 52-year old male patient. The patient was diagnosed with cervical spondylotic myelopathy due to ossification of the posterior longitudinal ligament which was complicated by ankylosing spondylitis. A cervical laminoplasty was performed, adversely resulting in paraparesis and loss of tactile sense. An emergency CT scan following the first laminoplasty revealed that the spinal cord compression due to spinal cord swelling and limited-expansion in cervical canal space. The abnormal pathological state of ankylosing spondylitis may have aggravated spinal cord re-perfusion and increased edema after decompression.Patient ConcernsParaparesis and loss of tactile sense after the surgery immediately.DiagnosesAcute neurological deterioration after cervical laminoplasty.InterventionsA second emergency surgery was performed to remove the C2-C5 laminae.OutcomesSix months later, the patient had experienced slight improvement in neurological function.LessonsAbnormal spinal cord immune inflammatory reaction associated with ankylosing spondylitis and limited decompression may lead to acute neurological deterioration. The potential overactive inflammatory response following surgery in the patients with autoimmune rheumatoid disease should be carefully considered in spinal surgery. Timely diagnosis and treatment may benefit these patients.

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