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Facio-brachio-crural dystonic episodes and drop attacks due to leucine rich glioma inactivated 1 encephalitis in two elderly Indian women.

ABSTRACT: Two women in their 60's are presented to us with sudden falls of acute onset. Prolonged observation revealed a gradually evolving syndrome of paroxysmal right sided faciobrachial dystonic (FBD) posturing lasting seconds. Both patients went on to develop hyponatremia, following which the episodes worsened and appeared on both sides. In both cases, prolonged electroencephalography monitoring and magnetic resonance imaging brain were normal and the response to conventional anticonvulsants was poor. One patient improved spontaneously over 6 months. The 2(nd) patient developed an amnestic syndrome and was started on intravenous methylprednisolone with which her movement disorder abated. Her amnestic syndrome improved and she was discharged on oral steroids. Both patients tested positive for leucine-rich glioma inactivated 1 (LGi1) antibodies. We present the first case reports of FBD episodes and drop attacks owing to LGi1 encephalitis from India and review the relevant literature pertinent to the subject.

SUBMITTER: Maramattom BV

PROVIDER: S-EPMC3841606 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature

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Facio-brachio-crural dystonic episodes and drop attacks due to leucine rich glioma inactivated 1 encephalitis in two elderly Indian women.

Maramattom Boby Varkey BV Jeevanagi Sachin Rajashekar SR George Celinamma C

Annals of Indian Academy of Neurology 20131001 4

Two women in their 60's are presented to us with sudden falls of acute onset. Prolonged observation revealed a gradually evolving syndrome of paroxysmal right sided faciobrachial dystonic (FBD) posturing lasting seconds. Both patients went on to develop hyponatremia, following which the episodes worsened and appeared on both sides. In both cases, prolonged electroencephalography monitoring and magnetic resonance imaging brain were normal and the response to conventional anticonvulsants was poor. ...[more]

PMID: 24339585

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Project description:Background: Clinical presentations and treatment programs about anti-leucine-rich glioma inactivated 1 (LGI1) encephalitis still remain incompletely understood. Objective: This study analyzed the clinical features and therapeutic effects of anti-LGI1 encephalitis. Methods: PubMed, EMBASE, and the Cochrane Library were searched to identify published English and Chinese articles until April 2021. Data were extracted, analyzed, and recorded in accordance with the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines. Results: A total of 80 publications detailing 485 subjects matched our inclusion criteria. Short-term memory loss (75.22%), faciobrachial dystonic seizures (FBDS) (52.53%), other seizures excluding FBDS (68.48%), psychiatric symptoms (57.67%), and sleep disturbances (34.30%) were the most frequently described symptoms in anti-LGI1 encephalitis. Hyponatremia (54.90%) was the most common hematologic examination change. The risk of incidence rate of malignant tumors was higher than in healthy people. The positive rate of anti-LGI1 in serum (99.79%) was higher than CSF (77.38%). Steroids (93.02%), IVIG (87.50%), and combined use (96.67%) all had a high remission rate in the initial visit. A total of 35 of 215 cases relapsed, of which 6/35 (17.14%) did not use first-line treatment, and 21 (60.00%) did not maintain long-term treatment. Plasma exchange (PE) could be combined in severe patients, immunosuppressant could be used for refractory patients or for recurrence and using an anti-epileptic drug to control seizures may benefit cognition. Conclusions: Short-term memory loss, FBDS, psychiatric symptoms, and hyponatremia were key features in identifying anti-LGI1 encephalitis. Serum and CSF antibody tests should be considered in diagnosis criteria. Steroids with IVIG should be recommended, PE was combined for use in severe patients, immunosuppressant therapy might improve outcomes if recurrence or progression occurred, and control seizures might benefit cognition. The useful ways to reduce relapse rate were early identification, clear diagnosis, rapid treatment, and maintaining long-term treatment. The follow-up advice was suggested according to the research of paraneoplastic syndrome, and concern about tumors was vital as well.

Project description:PurposeBrain 18F-fluorodeoxyglucose positron emission tomography (FDG PET) is a sensitive technique for assisting in the diagnosis of patients with anti-leucine-rich glioma-inactivated 1 (LGI1) antibody encephalitis. However, the common pattern of this disorder assessed by FDG PET remains unknown. The present study aimed to explore the glucose metabolic patterns of this disorder based on PET voxel analysis.MethodsThis retrospective study enrolled 25 patients with anti-LGI1 encephalitis, who were admitted in Beijing Tiantan Hospital between September 2014 and July 2019. The glucose metabolic pattern was compared between the included patients and 44 age- and gender-matched healthy controls using Statistical Parametric Mapping. Then, the correlation between the metabolic pattern and scaled activities of daily living (ADLs) of the patients was assessed.ResultsThe median time from symptom onset to PET scans was 9 w (range:2-53w). The groupwise analysis revealed that patients with anti-LGI1 encephalitis had left hippocampal hypermetabolism and hypometabolism in almost all neocortical regions. The individual-level results showed most patients presented a decreased metabolism in neocortical regions, as well as an increase in metabolism in the hippocampus and basal ganglia. Furthermore, the metabolic gradient between hippocampus and neocortical regions was positively associated with the ADLs (frontal lobe, r=0.529, P=0.008; parietal lobe, r=0.474, P=0.019; occipital lobe, r=0.413, P=0.045; temporal lobe, r=0.490, P=0.015), respectively. In addition, the patients with facio-brachial dystonic seizures (FBDS) presented bilateral putamen hypermetabolism, when compared to patients without FBDS and healthy controls.ConclusionSubcortical hypermetabolism associated with cortical hypometabolism presented with a common metabolic pattern in patients with anti-LGI1 encephalitis in the present study. The resolution of the metabolic gradient of the hippocampal hypermetabolism and neocortical hypometabolism may bring about improved clinical neurologic disability.

Dataset Information

Facio-brachio-crural dystonic episodes and drop attacks due to leucine rich glioma inactivated 1 encephalitis in two elderly Indian women.

Publications

Facio-brachio-crural dystonic episodes and drop attacks due to leucine rich glioma inactivated 1 encephalitis in two elderly Indian women.

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