Risk factors for seizures in autoimmune encephalitis and assessment of predictive value_Journal of Epilepsy

Authors：

JIAO Tengfei , FAN Caixia , Rena Abudusalamu , RU Shan , HE Dan ,  HAN Dengfeng

Department of Neurology, The First Affiliated Hospital of XinjiangMedical University, Wulumuqi 830054, China;

Corresponding author：

HAN Dengfeng, Email: 32193860@qq.com

Keywords：

Autoimmune encephalitis; Seizure; Risk factors; Joint indicators

DOI：

10.7507/2096-0247.202304007

Video：

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Objective To analyze the risk factors for seizures in patients with autoimmune encephalitis (AE) and to assess their predictive value for seizures. Methods Seventy-four patients with AE from the First Affiliated Hospital of Xinjiang Medical University from January 2016 to March 2023 were collected and divided into seizure group (56 cases) and non-seizure group (18 cases), comparing the general clinical information, laboratory tests and imaging examinations and other related data of the two groups. The risk factors for seizures in AE patients were analyzed by multifactorial logistic regression, and their predictive value was assessed by receiver operating characteristic (ROC) curves. Results The seizure group had a higher proportion of acute onset conditions in the underlying demographics compared with the non-seizure group (P<0.05). Laboratory data showed statistically significant differences in neutrophil count, calcitoninogen, lactate dehydrogenase, C-reactive protein, homocysteine, and interleukin-6 compared between the two groups (all P<0.05). Multi-factor logistic regression analysis of the above differential indicators showed that increased C-reactive protein [Odds ratio (OR)=4.621, 95% CI (1.123, 19.011), P=0.034], high homocysteine [OR=12.309, 95CI (2.217, 68.340), P=0.004] and onset of disease [OR=4.918, 95% CI (1.254, 19.228), P=0.022] were risk factors for seizures in AE patients, and the area under the ROC curve for the combination of the three indicators to predict seizures in AE patients was 0.856 [95% CI (0.746, 0.966)], with a sensitivity of 73.2% and a specificity of 83.3%. Conclusion High C-reactive protein, high homocysteine and acute onset are independent risk factors for seizures in patients with AE, and the combination of the three indices can better predict seizure status in patients.

Citation： JIAO Tengfei, FAN Caixia, Rena Abudusalamu, RU Shan, HE Dan, HAN Dengfeng. Risk factors for seizures in autoimmune encephalitis and assessment of predictive value. Journal of Epilepsy, 2023, 9(4): 294-299. doi: 10.7507/2096-0247.202304007 Copy

1.	Graus F, Titulaer MJ, Balu R, et al. A clinical approach to diagnosis of autoimmune encephalitis. The Lancet Neurology, 2016, 15(4): 391-404.
2.	中华医学会神经病学分会神经感染性疾病与脑脊液细胞学学组. 中国自身免疫性脑炎诊治专家共识(2022年版). 中华神经科杂志, 2022, 55(9): 931-949.
3.	Geis C, Planagumà J, Carreño M, et al. Autoimmune seizures and epilepsy. The Journal of clinical investigation, 2019, 129(3): 926-940.
4.	Titulaer MJ, McCracken L, Gabilondo I, et al. Treatment and prognostic factors for long-term outcome in patients with anti-NMDA receptor encephalitis: an observational cohort study. The Lancet Neurology, 2013, 12(2): 157-165.
5.	Chi X, Wang W, Huang C, et al. Risk factors for mortality in patients with anti‐NMDA receptor encephalitis. Acta Neurologica Scandinavica, 2017, 136(4): 298-304.
6.	Fisher RS, Acevedo C, Arzimanoglou A, et al. ILAE official report: a practical clinical definition of epilepsy. Epilepsia, 2014, 55(4): 475-482.
7.	Liu F, Huang T, Wang B, et al. Low high-density lipoprotein cholesterol and apolipoprotein AI levels are associated with poor outcome and relapse in autoimmune encephalitis. Neuroscience Letters, 2022, 775: 136546.
8.	Shen CH, Fang GL, Yang F, et al. Seizures and risk of epilepsy in anti‐NMDAR, anti‐LGI1, and anti‐GABABR encephalitis. Annals of Clinical and Translational Neurology, 2020, 7(8): 1392-1399.
9.	Shu Y, Chen C, Chen Y, et al. Serum complement levels in anti‐N‐methyl‐d‐aspartate receptor encephalitis. European Journal of Neurology, 2018, 25(1): 178-184.
10.	Qu X, Vidaurre J, Peng X, et al. Seizure characteristics, outcome, and risk of epilepsy in pediatric anti-N-methyl-D-aspartate receptor encephalitis. Pediatric Neurology, 2020, 105: 35-40.
11.	Shi X, Cai W, Zhang X, et al. Early predictors of new-onset immune-related seizures: a preliminary study. BMC Neurology, 2022, 22(1): 503.
12.	Zou C, Pei S, Yan W, et al. Cerebrospinal fluid Osteopontin and inflammation-associated cytokines in patients with anti-N-methyl-D-aspartate receptor encephalitis. Frontiers in Neurology, 2020, 11: 519692.
13.	Zhong R, Chen Q, Li M, et al. Elevated blood C-reactive protein levels in patients with epilepsy: a systematic review and meta-analysis. Frontiers in Neurology, 2019, 10: 974.
14.	Ishikawa N, Kobayashi Y, Fujii Y, et al. Increased interleukin-6 and high-sensitivity C-reactive protein levels in pediatric epilepsy patients with frequent, refractory generalized motor seizures. Seizure, 2015, 25: 136-140.
15.	Ji S R, Zhang S H, Chang Y, et al. C-reactive protein: the most familiar stranger. The Journal of Immunology, 2023, 210(6): 699-707.
16.	Shao W, Zhang S, Tang M, et al. Suppression of neuroinflammation by astrocytic dopamine D2 receptors via αB-crystallin. Nature, 2013, 494(7435): 90-94.
17.	Barbierato M, Facci L, Argentini C, et al. Astrocyte-microglia cooperation in the expression of a pro-inflammatory phenotype. CNS & Neurological Disorders-Drug Targets (Formerly Current Drug Targets-CNS & Neurological Disorders), 2013, 12(5): 608-618.
18.	Esse R, Barroso M, Tavares de Almeida I, et al. The contribution of homocysteine metabolism disruption to endothelial dysfunction: state-of-the-art. International journal of molecular sciences, 2019, 20(4): 867.
19.	Moretti R, Giuffré M, Caruso P, et al. Homocysteine in neurology: a possible contributing factor to small vessel disease. International Journal of Molecular Sciences, 2021, 22(4): 2051.
20.	Kamath A F, Chauhan A K, Kisucka J, et al. Elevated levels of homocysteine compromise blood-brain barrier integrity in mice. Blood, 2006, 107(2): 591-593.
21.	Obeid R, Herrmann W. Mechanisms of homocysteine neurotoxicity in neurodegenerative diseases with special reference to dementia. FEBS letters, 2006, 580(13): 2994-3005.
22.	Tao H, Gong Y, Yu Q, et al. Elevated serum matrix metalloproteinase-9, interleukin-6, hypersensitive C-reactive protein, and homocysteine levels in patients with epilepsy. Journal of Interferon & Cytokine Research, 2020, 40(3): 152-158.
23.	Shakir S, Ali N, Udin Z, et al. Vitamin B6 and homocysteine levels in carbamazepine treated epilepsy of Khyber Pakhtunkhwa. African Health Sciences, 2017, 17(2): 559-565.
24.	Fontes L P, Fontes M P, Jiménez P Q, et al. Comparative case-control study of homocysteine, vitamin B12, and folic acid levels in patients with epilepsy. Neurología (English Edition), 2017, 32(7): 440-445.
25.	高慧, 顾燕, 华深, 等. 亚甲基四氢叶酸还原酶基因多态性与精神分裂症伴抑郁的关系. 临床精神医学杂志, 2022, 32(3): 169-171.
26.	Zou R, Dai Y, Wang D, et al. Association between MTHFR polymorphism and seizure control in epileptic patients with hyperhomocysteinaemia. Epileptic Disorders, 2022, 24(5): 889-897.
27.	Chango A, De Courcy GP, Boisson F, et al. 5, 10-methylenetetrahydrofolate reductase common mutations, folate status and plasma homocysteine in healthy French adults of the Supplementation en Vitamines et Mineraux Antioxydants (SU. VI. MAX) cohort. British Journal of Nutrition, 2000, 84(6): 891-896.
28.	Karatoprak E, Sozen G, Yılmaz K, et al. Interictal epileptiform discharges on electroencephalography in children with methylenetetrahydrofolate reductase (MTHFR) polymorphisms. Neurological Sciences, 2020, 41: 631-636.
29.	Kluijtmans LAJ, Young IS, Boreham CA, et al. Genetic and nutritional factors contributing to hyperhomocysteinemia in young adults. Blood, 2003, 101(7): 2483-2488.

1. Graus F, Titulaer MJ, Balu R, et al. A clinical approach to diagnosis of autoimmune encephalitis. The Lancet Neurology, 2016, 15(4): 391-404.
2. 中华医学会神经病学分会神经感染性疾病与脑脊液细胞学学组. 中国自身免疫性脑炎诊治专家共识(2022年版). 中华神经科杂志, 2022, 55(9): 931-949.
3. Geis C, Planagumà J, Carreño M, et al. Autoimmune seizures and epilepsy. The Journal of clinical investigation, 2019, 129(3): 926-940.
4. Titulaer MJ, McCracken L, Gabilondo I, et al. Treatment and prognostic factors for long-term outcome in patients with anti-NMDA receptor encephalitis: an observational cohort study. The Lancet Neurology, 2013, 12(2): 157-165.
5. Chi X, Wang W, Huang C, et al. Risk factors for mortality in patients with anti‐NMDA receptor encephalitis. Acta Neurologica Scandinavica, 2017, 136(4): 298-304.
6. Fisher RS, Acevedo C, Arzimanoglou A, et al. ILAE official report: a practical clinical definition of epilepsy. Epilepsia, 2014, 55(4): 475-482.
7. Liu F, Huang T, Wang B, et al. Low high-density lipoprotein cholesterol and apolipoprotein AI levels are associated with poor outcome and relapse in autoimmune encephalitis. Neuroscience Letters, 2022, 775: 136546.
8. Shen CH, Fang GL, Yang F, et al. Seizures and risk of epilepsy in anti‐NMDAR, anti‐LGI1, and anti‐GABABR encephalitis. Annals of Clinical and Translational Neurology, 2020, 7(8): 1392-1399.
9. Shu Y, Chen C, Chen Y, et al. Serum complement levels in anti‐N‐methyl‐d‐aspartate receptor encephalitis. European Journal of Neurology, 2018, 25(1): 178-184.
10. Qu X, Vidaurre J, Peng X, et al. Seizure characteristics, outcome, and risk of epilepsy in pediatric anti-N-methyl-D-aspartate receptor encephalitis. Pediatric Neurology, 2020, 105: 35-40.
11. Shi X, Cai W, Zhang X, et al. Early predictors of new-onset immune-related seizures: a preliminary study. BMC Neurology, 2022, 22(1): 503.
12. Zou C, Pei S, Yan W, et al. Cerebrospinal fluid Osteopontin and inflammation-associated cytokines in patients with anti-N-methyl-D-aspartate receptor encephalitis. Frontiers in Neurology, 2020, 11: 519692.
13. Zhong R, Chen Q, Li M, et al. Elevated blood C-reactive protein levels in patients with epilepsy: a systematic review and meta-analysis. Frontiers in Neurology, 2019, 10: 974.
14. Ishikawa N, Kobayashi Y, Fujii Y, et al. Increased interleukin-6 and high-sensitivity C-reactive protein levels in pediatric epilepsy patients with frequent, refractory generalized motor seizures. Seizure, 2015, 25: 136-140.
15. Ji S R, Zhang S H, Chang Y, et al. C-reactive protein: the most familiar stranger. The Journal of Immunology, 2023, 210(6): 699-707.
16. Shao W, Zhang S, Tang M, et al. Suppression of neuroinflammation by astrocytic dopamine D2 receptors via αB-crystallin. Nature, 2013, 494(7435): 90-94.
17. Barbierato M, Facci L, Argentini C, et al. Astrocyte-microglia cooperation in the expression of a pro-inflammatory phenotype. CNS & Neurological Disorders-Drug Targets (Formerly Current Drug Targets-CNS & Neurological Disorders), 2013, 12(5): 608-618.
18. Esse R, Barroso M, Tavares de Almeida I, et al. The contribution of homocysteine metabolism disruption to endothelial dysfunction: state-of-the-art. International journal of molecular sciences, 2019, 20(4): 867.
19. Moretti R, Giuffré M, Caruso P, et al. Homocysteine in neurology: a possible contributing factor to small vessel disease. International Journal of Molecular Sciences, 2021, 22(4): 2051.
20. Kamath A F, Chauhan A K, Kisucka J, et al. Elevated levels of homocysteine compromise blood-brain barrier integrity in mice. Blood, 2006, 107(2): 591-593.
21. Obeid R, Herrmann W. Mechanisms of homocysteine neurotoxicity in neurodegenerative diseases with special reference to dementia. FEBS letters, 2006, 580(13): 2994-3005.
22. Tao H, Gong Y, Yu Q, et al. Elevated serum matrix metalloproteinase-9, interleukin-6, hypersensitive C-reactive protein, and homocysteine levels in patients with epilepsy. Journal of Interferon & Cytokine Research, 2020, 40(3): 152-158.
23. Shakir S, Ali N, Udin Z, et al. Vitamin B6 and homocysteine levels in carbamazepine treated epilepsy of Khyber Pakhtunkhwa. African Health Sciences, 2017, 17(2): 559-565.
24. Fontes L P, Fontes M P, Jiménez P Q, et al. Comparative case-control study of homocysteine, vitamin B12, and folic acid levels in patients with epilepsy. Neurología (English Edition), 2017, 32(7): 440-445.
25. 高慧, 顾燕, 华深, 等. 亚甲基四氢叶酸还原酶基因多态性与精神分裂症伴抑郁的关系. 临床精神医学杂志, 2022, 32(3): 169-171.
26. Zou R, Dai Y, Wang D, et al. Association between MTHFR polymorphism and seizure control in epileptic patients with hyperhomocysteinaemia. Epileptic Disorders, 2022, 24(5): 889-897.
27. Chango A, De Courcy GP, Boisson F, et al. 5, 10-methylenetetrahydrofolate reductase common mutations, folate status and plasma homocysteine in healthy French adults of the Supplementation en Vitamines et Mineraux Antioxydants (SU. VI. MAX) cohort. British Journal of Nutrition, 2000, 84(6): 891-896.
28. Karatoprak E, Sozen G, Yılmaz K, et al. Interictal epileptiform discharges on electroencephalography in children with methylenetetrahydrofolate reductase (MTHFR) polymorphisms. Neurological Sciences, 2020, 41: 631-636.
29. Kluijtmans LAJ, Young IS, Boreham CA, et al. Genetic and nutritional factors contributing to hyperhomocysteinemia in young adults. Blood, 2003, 101(7): 2483-2488.

Journal of Epilepsy

Risk factors for seizures in autoimmune encephalitis and assessment of predictive value

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