Observational studyRevista de neurologia2025
[Clinical Features and Functional Prognosis in Patients with Possible Autoimmune Encephalitis in a Neurological Emergency Department].
Observational study in Revista de neurologia, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionAutoimmune encephalitis (AE) represents a severe neuropsychiatric disorder that requires early diagnosis. This study describes the frequency, clinical characteristics, and paraclinical findings in patients with possible autoimmune encephalitis treated in a neurological emergency department, as well as factors associated with poor functional prognosis at discharge. MATERIAL AND
methodsThis was an observational ambispective cohort study including patients diagnosed with AE who were treated in a neurological emergency department in 2022. Demographic, clinical, and paraclinical characteristics were evaluated, along with functional outcomes using the modified Rankin scale (mRS); ≤2 points, was considered as good prognosis. In the statistical analysis we used the chi-squared test, Fisher's exact test, Student's T-test, and Mann-Whitney U test.
resultsOut of 9046 patients, 31 (0.3%) met the criteria for probable autoimmune encephalitis (PAE). The average age was 28.4 ± 12.1 years and 51.6% were female. Cognitive alterations (90.3%), psychosis (74.2%), abnormal movements (71%), catatonia (67.7%), seizures/status epilepticus (64.5%, 19.4%), and dysautonomia (58.1%) were observed; 58.1% had a good functional prognosis. Factors associated with poor prognosis included older age (24.8 ± 5.0 vs. 33.4 ± 16.8, p = 0.049), status epilepticus (0% vs. 46.2%, p = 0.002), and lower frequency of headache (61.1% vs. 15.4%, p = 0.025).
conclusionsAE represents a rare diagnosis even in a neurological emergency center; older age, status epilepticus and absence of headache were associated with poor functional prognosis at discharge.
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