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Clinical and Radiological Outcome of Anterior Only Stabilization for AO Type B and C Subaxial Cervical Spine Injury:
Ram Sharma Subedi1, Bhadra Hamal1, Kabita Devi Baral2
1Department of Orthopedics, National Academy of Medical Sciences, Mahaboudha, Kathmandu, Nepal.
Introduction:
AO type B and C subaxial cervical spine injuries are highly unstable and require surgical fixation for the stabilization. This study aims to determine their outcome after anterior stabilization clinically and radiologically.
Methods:
This was an observational longitudinal study conducted at tertiary level trauma center, from March 2021 to April 2022 after ethical approval from Institutional Review Board (Reference Number: 665/2077/78). Based on inclusion criteria total sampling was done. Cervical spine injuries AO type B and C operated with anterior cervical stabilization were included. Descriptive statistics were used to analyze data.
Results:
Among 21 total cases, 14 (66.67%) were male and 7 (33.33%) were female with the median age of 40 (IQR 32-51) years. Eleven (52.38%) patients sustained AO type B injury and 10 (47.61%) patients sustained AO type C injury. The commonest mode of injury was fall from height 14 (66.66%) followed by RTA 6 (28.57%) and physical assault 1 (4.76%). Postoperatively there was 33% improvement in incomplete neurology by one grade on ASIA neurology. Pain was evaluated using Visual Analogue Score and disability was evaluated using Neck disability Index scoring with the median value of 2 (IQR 0.4-3) and 10 (IQR 3-13) respectively. Radiographic failure was present in 2(9.52%) patients. Forteen (66.66%) patients showed Grade 1 fusion, six (28.57%) showed Grade 2 fusion, and one (4.76%) showed Grade 3 fusion.
Conclusions:
Most of the patients experienced mild pain and disability, stable fusion and low rate of radiographic failure with no new neurological deterioration. Almost half of the injuries occurred at the level of C5-C6.
