脊髓圆锥
医学
多发性硬化
入射(几何)
脊髓
圆锥
解剖
免疫学
精神科
光学
物理
作者
Masoud Etemadifar,Mehri Salari,Parisa K Kargaran,M. Bani,Hosein Nouri,Fatemeh Etemadifar,Sara Honarmand Ebrahimi,Newsha Sayahi,Nahad Sedaghat
标识
DOI:10.1016/j.msard.2021.103127
摘要
Abstract
Background
Differentiation of the demyelinating disorders of the CNS seems challenging in practice. Conus medullaris, the cone-shaped end of the spinal cord, is more involved in anti-MOG patients based on preliminary studies, a possibly helpful detail in its differentiation. Nevertheless, the evidence is still limited and the underlying cause is unclear and undiscussed in previous studies. Objective
To contribute to preliminary studies by comparing conus involvement among patients with MS, anti-AQP4, and anti-MOG diseases using larger sample size. Methods
More than a thousand MS, anti-AQP4, and anti-MOG patients were followed up for a maximum of five years, scanned for conus medullaris involvement. Data regarding each cohort were then analyzed and compared using statistical methods. Results
The rate of conus medullaris involvement was significantly higher in anti-MOG patietns (OR = 27.109, P < 0.001), followed by anti-AQP4 (OR = 4.944, P = 0.004), and MS patients (OR = reference). Survival analysis showed higher pace and cumulative incidence of conus attacks in anti-MOG patients. Conus-involved patients, showed no significant difference regarding age, sex, concurrent brain lesions, and their partial recovery. Predictive values show that the probability of being diagnosed with anti-MOG is roughly 13 times higher in conus-involved patients (25.93% vs. 1.97%), although this probability was still higher for MS, as it has a much higher incidence. Conclusion
Despite minor differences, the results were in line with previous studies, confirming the higher rate of conus medullaris involvement among anti-MOG patients. Potential underlying causes are proposed and remain to be investigated in future studies.
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