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2.
Ann Indian Acad Neurol ; 26(6): 908-916, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38229613

RESUMO

Objectives: Recent advancement in understanding neurological disorders has revealed the involvement of dysbiosis of the gut microbiota in the pathophysiology of Parkinson's disease (PD). We sequenced microbial DNA using fecal samples collected from PD cases and healthy controls (HCs) to evaluate the role of gut microbiota. Methods: Full-length bacterial 16S rRNA gene sequencing of fecal samples was performed using amplified polymerase chain reaction (PCR) products on the GridION Nanopore sequencer. Sequenced data were analyzed using web-based tools BugSeq and MicrobiomeAnalyst. Results: We found that certain bacterial families like Clostridia UCG 014, Cristensenellaceae, and Oscillospiraceae are higher in abundance, and Lachinospiracea, Coriobacteriaceae and genera associated with short-chain fatty acid production, Faecalibacterium, Fusicatenibacter, Roseburia and Blautia, are lower in abundance among PD cases when compared with the HC. Genus Akkermansia, Dialister, Bacteroides, and Lachnospiraceae NK4A136 group positively correlated with constipation in PD. Conclusion: Observations from this study support the other global research on the PD gut microbiome background and provide fresh insight into the gut microbial composition of PD patients from a south Indian population. We report a higher abundance of Clostridia UCG 014 group, previously not linked to PD.

3.
Folia Microbiol (Praha) ; 67(5): 693-706, 2022 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-35583791

RESUMO

Advanced research in health science has broadened our view in approaching and understanding the pathophysiology of diseases and has also revolutionised diagnosis and treatment. Ever since the establishment of Braak's hypothesis in the propagation of alpha-synuclein from the distant olfactory and enteric nervous system towards the brain in Parkinson's Disease (PD), studies have explored and revealed the involvement of altered gut microbiota in PD. This review recapitulates the gut microbiome associated with PD severity, duration, motor and non-motor symptoms, and antiparkinsonian treatment from recent literature. Gut microbial signatures in PD are potential predictors of the disease and are speculated to be used in early diagnosis and treatment. In brief, the review also emphasises on implications of the prebiotic, probiotic, faecal microbiota transplantation, and dietary interventions as alternative treatments in modulating the disease symptoms in PD.


Assuntos
Microbioma Gastrointestinal , Doença de Parkinson , Antiparkinsonianos , Encéfalo , Microbioma Gastrointestinal/fisiologia , Humanos , Doença de Parkinson/terapia , alfa-Sinucleína/metabolismo
6.
Trop Doct ; 50(1): 81-83, 2020 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-31694475

RESUMO

Dengue infection can cause various effects on the central and peripheral nervous systems. Direct neurotropism and immunological mechanisms are responsible for most such neurological manifestations. We present the case of a 64-year-old woman with rapidly progressive dementia with seizures following dengue infection.


Assuntos
Demência/etiologia , Dengue/complicações , Convulsões/etiologia , Demência/tratamento farmacológico , Demência/fisiopatologia , Vírus da Dengue/fisiologia , Dexametasona/uso terapêutico , Feminino , Humanos , Pessoa de Meia-Idade , Convulsões/tratamento farmacológico , Convulsões/fisiopatologia , Resultado do Tratamento
9.
J Clin Diagn Res ; 11(8): QD01-QD02, 2017 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-28969214

RESUMO

Visual symptoms in pregnancy are ominous. The spectrum of ocular symptoms seen in pre-eclampsia includes blurring of vision, scotoma, hemianopia and even total cortical blindness. Diplopia, though rare has also been reported in cases of pre-eclampsia and occurs due to pathological changes affecting the 6th cranial nerve. Ocular symptoms of pre-eclampsia usually regress after delivery but occasionally may present in the postpartum period. We present a case of a 34-year-old lady with severe pre-eclampsia at 31 weeks of gestation with diplopia presenting seven days post caesarean section. No identifiable pathology was found and the condition recovered spontaneously once blood pressure control was achieved.

11.
Ann Indian Acad Neurol ; 18(4): 415-8, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26713013

RESUMO

BACKGROUND: Acute management of ischemic stroke involves thrombolysis within 4.5 h. For a successful outcome, early recognition of stroke, transportation to the hospital emergency department immediately after stroke, timely imaging, proper diagnosis, and thrombolysis within 4.5 h is of paramount importance. AIM: To analyze the obstacles for thrombolysis in acute stroke patients. MATERIALS AND METHODS: The study was conducted in a tertiary care center in South India. A total of hundred consecutive patients of acute ischemic stroke who were not thrombolysed, but otherwise fulfilled the criteria for thrombolysis were evaluated prospectively for various factors that prevented thrombolysis. The constraints to thrombolysis were categorized into: i) Failure of patient to recognize stroke symptoms, ii) patient's awareness of thrombolysis as a treatment modality for stroke, iii) failure of patient's relative to recognize stroke, iv) failure of primary care physician to recognize stroke, v) transport delays, vi) lack of neuroimaging and thrombolysis facility, and vii) nonaffordability. RESULTS: The biggest hurdle for early hospital presentation is failure of patients to recognize stroke (73%), followed by lack of neuroimaging facility (58%), nonaffordability (56%), failure of patient's relative to recognize stroke (38%), failure of the primary care physician to recognize stroke (21%), and transport problems (13%). Awareness of thrombolysis as a treatment modality for stroke was seen only in 2%. CONCLUSION: Considering the urgency of therapeutic measures in acute stroke, there is necessity and room for improvement to overcome various hurdles that prevent thrombolysis.

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