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Related Concept Videos

Arboviral Encephalitis01:25

Arboviral Encephalitis

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Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
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Encephalitis l: Introduction01:19

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Encephalitis is inflammation of the brain parenchyma, most often due to infections or autoimmune processes. It presents with neuropsychiatric features such as fever, altered mental status, behavioral changes, cognitive dysfunction, seizures, focal deficits, and sometimes autonomic instability. In some cases, the meninges are also involved, resulting in meningoencephalitis.Infectious CausesInfectious encephalitis is most commonly viral but can also result from bacterial, fungal, or parasitic...
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Encephalitis ll: Pathophysiology01:26

Encephalitis ll: Pathophysiology

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Encephalitis is inflammation of the brain parenchyma caused by direct viral invasion or immune-mediated mechanisms triggered by infections or tumors. Both processes lead to neuronal injury, disrupted neurotransmission, and diverse neurological symptoms, often with overlapping clinical and pathological features.Autoimmune EncephalitisIn autoimmune encephalitis, antibodies target neuronal antigens on cell surfaces, synapses, or within neurons. A key example is anti-NMDAR encephalitis, which can...
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Hepatic Encephalopathy01:29

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DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic...
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Induction and Clinical Scoring of Chronic-Relapsing Experimental Autoimmune Encephalomyelitis
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Tirzepatide associated autoimmune encephalitis: A case report.

Asad Abdi, Armin Ariaei, Helia Hemasian

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    This case report details an 18-year-old experiencing anti-NMDA receptor autoimmune encephalitis after Tirzepatide treatment. Prompt treatment with steroids and IVIG resolved seizures, highlighting a rare neurological adverse event associated with GLP-1 agonists.

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    Area of Science:

    • Neuroimmunology
    • Endocrinology
    • Pharmacovigilance

    Background:

    • Tirzepatide is widely prescribed for obesity and type 2 diabetes mellitus.
    • Serious neurological adverse events linked to Tirzepatide are uncommon.
    • Effective management of medication-related adverse events is crucial for patient outcomes.

    Purpose of the Study:

    • To report the first case of anti-NMDA receptor autoimmune encephalitis following Tirzepatide administration.
    • To describe the clinical presentation, diagnostic findings, and treatment of this rare adverse event.

    Main Methods:

    • A case study of an 18-year-old patient presenting with neurological and psychiatric symptoms after Tirzepatide initiation.
    • Diagnostic workup included cerebrospinal fluid analysis for anti-NMDA receptor antibodies and neuroimaging.
    • Treatment involved high-dose intravenous methylprednisolone, intravenous immunoglobulin (IVIG), and anti-seizure medications.

    Main Results:

    • The patient exhibited seizures, agitation, psychiatric symptoms, and speech impairment.
    • Cerebrospinal fluid confirmed the presence of anti-NMDA receptor antibodies.
    • Neurological symptoms resolved, and the patient became seizure-free after immunotherapy and anti-seizure treatment.

    Conclusions:

    • This is the inaugural report of anti-NMDA receptor autoimmune encephalitis associated with Tirzepatide use.
    • The underlying mechanism linking GLP-1 receptor agonists to autoimmune encephalitis requires further investigation.
    • This case underscores the importance of recognizing rare neurological adverse events associated with novel pharmacotherapies.