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October 12, 2022 | Written by Dr. Robb Wesselingh. Edited by Dr Mastura Monif, Ms Tiffany Rushen, Dr Loretta Piccenna, Ms Amanda Wells (consumer representative) and Ms Sasha Ermichina (consumer representative).
A message from IAES Blog Staff:
It is our honor and pleasure to present to all of you an overview of how autoimmune encephalitis can affect cognitive abilities. This overview is by the esteemed team at Monash University in Australia & lead by Dr. Mastura Monif, who is a member of IAES’ Medical Advisory Board.
We are proud to be in collaboration with Dr. Monif and her team in the Australian Autoimmune Encephalitis Consortium Project as we work closely with them to best support AE patients, caregivers and their families. This blog has been facilitated by IAES Support Services coordinator Mari Wagner Davis, with input from IAES volunteers Sasha Ermichina (impacted by GFAP AE) and Amanda Wells (caregiver for her daughter with AE). These IAES representatives provide input from their unique perspectives, helping to educate researchers in the difficulties that patients and families face.
You can find out more about the Australian Autoimmune Encephalitis Consortium and their efforts to help those with AE and their families via the following link:
https://www.monash.edu/medicine/autoimmune-encephalitis
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Publication:
Source – Wesselingh, R., Broadley, J., Buzzard, K., Tarlinton, D., Seneviratne, U., Kyndt, C., Stankovich, J., Sanlippo, P., Nesbitt, C., D’Souza, W., Macdonell, R., Butzkueven, H., O’Brien, T. J., & Monif, M. (2022). Prevalence, risk factors, and prognosis of drugresistant epilepsy in autoimmune encephalitis. Epilepsy & behavior: E&B, 132, 108729. Advance online publication. https://doi.org/10.1016/j.yebeh.2022.108729
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Seizures (or sudden, uncontrolled electrical disturbances in the brain) are a common initial neurological symptom that occurs in people with autoimmune encephalitis. In autoimmune encephalitis a person’s immune system mistakenly targets different proteins in their brain causing damage and inflammation. For some people, the seizures can progress to very severe and ongoing seizures called status epilepticus, requiring treatment to stop them happening. While some patients will stop having seizures after immune system suppressing treatment, others will continue to have seizures that do not respond, even to increasing amounts of anti-seizure medications. This is known clinically as treatment- or drug-resistant epilepsy. Drug-resistant epilepsy has a significant impact on the quality of life of people with autoimmune encephalitis. We currently do not know why some patients with autoimmune encephalitis develop drug-resistant epilepsy whilst others do not.
It is important for doctors to be able to predict how and why people with autoimmune encephalitis develop drug-resistant epilepsy because it is a disabling complication that may be preventable. For this research, we wanted to find out answers to following questions –
We looked through the medical records of seven hospitals in Victoria (Australia) for people who met the diagnosis of autoimmune encephalitis and had an EEG when they first became unwell. Two hundred and eight patients were identified and selected for analysis. We then collected available data from 69 patients of their symptoms, seizures, treatment, and whether they developed drug-resistant epilepsy at 12 months after their initial illness.
We analysed EEGs from patients to find any brain wave irregularities or signatures (called EEG biomarkers) that were more common in those with autoimmune encephalitis who developed drug-resistant epilepsy than those that did not develop drug-resistant epilepsy. Finally, we combined all the factors and created a tool that doctors can use to predict an individual’s risk of developing drug-resistant epilepsy after autoimmune encephalitis.
Figure 1: This figure shows a summary of our findings with 208 patients with autoimmune encephalitis, 16% had severe form of seizures (SE; status epilepticus), 75% of patients had 1 or more seizures, and 25% did not have seizures at their initial admission. Then after 12 months follow up, 16% of patients who completed follow up, had DRE (drug resistant epilepsy), and 33% of the patients were on anti-seizure medications (ASM) and 48% did not require ASMs.
The research could help clinicians to –
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For more information and resources from Dr. Monif and her group at the Australian Autoimmune Encephalitis Consortium Project, visit this link here. To download a plain language PDF of the paper summarized in this blog, click the button below:
On June 16 th, 2022, Tabitha Orth, President and Founder of International Autoimmune Encephalitis Society officially became the 7,315 th “point of light”. Recognized for the volunteer work she and IAES has done to spark change and improve the world for those touched by Autoimmune Encephalitis. The award was founded by President George H.W. Bush in 1990.
Become an Advocate by sharing your story. It may result in accurate diagnosis for someone suffering right now who is yet to be correctly identified. Submit your story with two photos to IAES@autoimmune-encephalitis.org
International Autoimmune Encephalitis Society (IAES), home of the AEWarrior®, is the only Family/Patient-centered organization that assists members from getting a diagnosis through to recovery and the many challenges experienced in their journey. Your donations are greatly appreciated and are the direct result of IAES’ ability to develop the first product in the world to address the needs of patients, Autoimmune Encephalitis Trivia Playing Cards. Every dollar raised allows us to raise awareness and personally help Patients, Families, and Caregivers through their Journey with AE to ensure that the best outcomes can be reached. Your contribution to our mission will help save lives and improve the quality of life for those impacted by AE.
Our website is not a substitute for independent professional medical advice. Nothing contained on our website is intended to be used as medical advice. No content is intended to be used to diagnose, treat, cure or prevent any disease, nor should it be used for therapeutic purposes or as a substitute for your own health professional's advice. Although THE INTERNATIONAL AUTOIMMUNE ENCEPHALITIS SOCIETY provides a great deal of information about AUTOIMMUNE ENCEPHALITIS, all content is provided for informational purposes only. The International Autoimmune Encephalitis Society cannot provide medical advice.
International Autoimmune Encephalitis Society is a charitable non-profit 501(c)(3) organization founded in 2016 by Tabitha Andrews Orth, Gene Desotell and Anji Hogan-Fesler. Tax ID# 81-3752344. Donations raised directly supports research, patients, families and caregivers impacted by autoimmune encephalitis and to educating healthcare communities around the world. Financial statement will be made available upon request.
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