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Select a condition covered in this course that interests you or is relevant to your nursing practice. Identify the condition you’ve selected.

The condition I selected for this discussion post is autoimmune encephalitis (AE). AE is a rare but potentially life-threatening neurological disorder in which the immune system mistakenly attacks healthy brain tissue, causing inflammation of the brain. Patients commonly present with a rapid onset of psychiatric symptoms, memory impairment, seizures, altered mental status (AMS), movement disorders, or autonomic dysfunction. Because its clinical presentation often mimics psychiatric illness or infectious encephalitis, early recognition and diagnosis are essential to improve neurological outcomes. Advances in diagnostic testing and immunotherapy have significantly improved patient prognosis when treatment is initiated promptly (Mahadeen et al., 2024).

Briefly explain your rationale for selecting this particular condition. What influenced your selection?

I selected AE, because of my experience working as a floor nurse on a pediatric neurology unit at Nationwide Children’s Hospital (NCH). During my time caring for pediatric neurology patients, I observed what seemed to be an increase in adolescents diagnosed with AE. Witnessing these patients’ clinical course left a lasting impression on me because of how rapidly the disease can progress and the profound impact it has on both the patient and their family. Many of these children were healthy before the onset of symptoms, yet within days to weeks they experienced significant behavioral changes, cognitive decline, seizures, or loss of functional abilities. As their nurse, I learned that sometimes the most meaningful care I could provide was simply being a listening ear and a source of support for patients and their families during an incredibly frightening and uncertain time. Those experiences inspired me to learn more about AE and reinforced my desire to better understand its pathophysiology, clinical presentation, and treatment so I can provide the highest quality care to future patients.

Many of these children and teenagers were healthy before the onset of symptoms. Within days to weeks, they developed dramatic personality and behavioral changes, confusion, seizures, movement abnormalities, impaired speech, or difficulty walking. Watching previously healthy children lose their ability to communicate, recognize loved ones, or care for themselves was heartbreaking. I also had the opportunity to care for some of these patients throughout their hospitalization and later saw their progress during rehabilitation, where many regained a significant amount of function after receiving appropriate treatment. Although recovery is possible, it is often prolonged and emotionally challenging for both patients and their families.

This experience reinforced the importance of early recognition, timely diagnosis, and prompt initiation of immunotherapy to improve neurological outcomes. It also highlighted the need for continued research to better understand AE, improve diagnostic approaches, and develop more effective treatments. Equally important is educating families about the disease process, expected recovery, and available support resources, as caregivers often experience significant fear and uncertainty while watching their child deteriorate so quickly (Mahadeen et al., 2024).

Investigate the prevalence and incidence of the chosen condition in the United States (U.S.). What are the incidence, prevalence, and affected populations?

AE is a rare neurological disorder in the United States (U.S.) and its true incidence and prevalence remain difficult to determine because of under recognition, delayed diagnosis, and the absence of nationwide surveillance. Recent studies indicate that increasing clinician awareness and advances in antibody testing have contributed to a growing number of diagnosed cases, although the overall disease burden is likely underestimated (Segal et al., 2024; Santoro et al., 2024).

AE affects individuals across the lifespan, but the affected population varies according to the specific neuronal antibody involved. Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is the most common subtype in children, adolescents, and young adults and occurs more frequently in females. In contrast, other antibody-mediated forms, such as leucine-rich glioma-inactivated 1 (LGI1) encephalitis, are more commonly diagnosed in older adults (Irani, 2024). Segal et al. (2024) further demonstrated that autoimmune encephalitis represents a significant proportion of encephalitis cases evaluated at a tertiary care center, emphasizing the importance of considering AE in patients presenting with acute psychiatric symptoms, seizures, altered mental status, or cognitive decline. Collectively, these findings highlight the need for continued epidemiologic research to better define the incidence and prevalence of AE in the U.S..

Find and summarize a scholarly article that discusses your selected condition. What does the article say about your condition and its pathophysiology and manifestations? How is the article relevant to your understanding of the condition?

Irani (2024) provides a comprehensive review of AE, describing it as a group of immune-mediated disorders in which autoantibodies target proteins on the surface of neurons or within the central nervous system (CNS), leading to inflammation and neuronal dysfunction. Rather than causing widespread neuronal destruction, many of these antibodies interfere with normal neuronal signaling, resulting in rapidly progressive neurological and psychiatric symptoms. As Irani (2024) emphasized, “rapid diagnosis and treatment are essential,” highlighting the importance of early recognition to improve neurological outcomes. The article explains that common antibody targets include N-methyl-D-aspartate (NMDA) receptors, leucine-rich glioma-inactivated 1 (LGI1), contactin-associated protein-like 2 (CASPR2), and γ-aminobutyric acid (GABA) receptors, with each antibody subtype producing distinct clinical features.

The review discusses how the manifestations of AE often develop over days to weeks and may include acute behavioral changes, psychosis, cognitive impairment, memory loss, seizures, movement disorders, autonomic dysfunction, and decreased level of consciousness. Because these symptoms frequently resemble primary psychiatric disorders or infectious encephalitis, early recognition can be challenging. Irani (2024) emphasizes that clinicians should use the patient’s age, symptom pattern, neurological findings, cerebrospinal fluid (CSF) analysis, magnetic resonance imaging (MRI), electroencephalography (EEG), and serum and CSF antibody testing to establish an accurate diagnosis and begin immunotherapy as early as possible.

This article strengthened my understanding of AE by explaining how different neuronal antibodies produce distinct clinical syndromes rather than a single disease process. It also reinforced the importance of recognizing subtle neurological and psychiatric symptoms early, which is particularly meaningful given my experience caring for adolescents with AE. Understanding the underlying pathophysiology helps explain why timely diagnosis and immunotherapy can significantly improve recovery and reduce long-term neurological deficits (Irani, 2024).

References

Irani, S. R. (2024). Autoimmune encephalitis. Continuum (Minneapolis, Minn.), 30(4), 995–1020. https://doi.org/10.1212/CON.0000000000001448Links to an external site.

Mahadeen, A. Z., Carlson, A. K., Cohen, J. A., Galioto, R., Abbatemarco, J. R., & Kunchok, A. (2024). Review of the longitudinal management of autoimmune encephalitis, potential biomarkers, and novel therapeutics. Neurology: Clinical Practice, 14(4), e200306. https://doi.org/10.1212/CPJ.0000000000200306Links to an external site.

Santoro, J. D., Demakakos, P., He, S., Kumar, S., Murton, M., Tennigkeit, F., & Hemingway, C. (2024). A systematic review of the epidemiology of pediatric autoimmune encephalitis: Disease burden and clinical decision-making. Frontiers in Neurology, 15, 1408606. https://doi.org/10.3389/fneur.2024.1408606Links to an external site.

Segal, Y., Rotschild, O., Mina, Y., Maayan Eshed, G., Levinson, T., Paran, Y., Dekel, M., Cohen-Poradosu, R., Ashkenazi, A., Moreno, I., Aizenstein, O., Halutz, O., Alcalay, Y., & Gadoth, A. (2024). Epidemiology of autoimmune encephalitis and comparison to infectious causes—Experience from a tertiary center. Annals of Clinical and Translational Neurology, 11(9), 2337–2349. https://doi.org/10.1002/acn3.52147Links to an external site.

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