Revista Mexicana de Neurociencia最新文献

{"title":"Acute neuromuscular failure acquired in the community: A state-of-the-art review","authors":"Daniel Rebolledo-García, J. C. Diestel-Bautista, P. González-Vargas, G. García-Ramos","doi":"10.24875/rmn.21000007","DOIUrl":"https://doi.org/10.24875/rmn.21000007","url":null,"abstract":"Acute neuromuscular failure (ANF) has become a common issue in emergency rooms worldwide. A systematic research was done in multiple data sources. A total of 350 articles were found, exclusion criteria were: not-neurological acute respiratory failure, case reports, duplication, and written in languages other than English or Spanish. One hundred and six abstracts of articles that included definition, epidemiology, etiology, physiopathology, and ANF diagnosis were considered, 70 were re-viewed. Finally, 32 articles focused on decision-making by non-neurological medical staff were taken. Guillain-Barré syndrome seems to be the most common etiology for ANF in Mexico. Myasthenia gravis, autoimmune and oncologic diseases are also common causes for ANF. The clinical signs for an imminent neuromuscular failure are drop head, faltering speech, nasal voice, and sialorrhea. Early diagnosis of ANF leads to better ANF outcomes; it is necessary to establish an approach for the diagnosis in Mexico.","PeriodicalId":53921,"journal":{"name":"Revista Mexicana de Neurociencia","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47609515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intermediate and expanded FMR1 alleles in an autistic Costa Rican population","authors":"Rebeca Vindas-Smith, Andrey Sequeira-Cordero, I. Castro-Volio, Patricia Jiménez-González, P. Cuenca, Manuel Saborio-Rocafort, Marietha Fallas, Melissa Vásquez","doi":"10.24875/rmn.21000044","DOIUrl":"https://doi.org/10.24875/rmn.21000044","url":null,"abstract":"Objective: We aimed to determine the distribution of intermediate and expanded FMR1 alleles in Costa Rican individuals diagnosed with autism. Materials and methods: A total of 212 autism spectrum disorder (ASD) cases of Costa Rican individuals and 943 male newborn controls were screened by means of polymerase chain reaction to determine the frequency of intermediate, premutation, and full mutation FMR1 alleles. Full mutation suspected cases were confirmed by Southern blot analyses. Frequencies of FMR1 alleles in the case group were compared with frequencies observed in a population-based sample of male newborn controls. Results: A significant excess of intermediate allele carriers was found in ASD individuals as compared to controls ( χ 2 test, p < 0.001). Four, out of 188 males in the case group, were identified as full mutation carriers. Conclusions: Our results suggest a possible involvement of the gray zone or intermediate alleles in ASD.","PeriodicalId":53921,"journal":{"name":"Revista Mexicana de Neurociencia","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46119279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Frequency, clinical, and paraclinical characteristics of patients with Bickerstaff brainstem encephalitis in a tertiary-referral neurological center","authors":"Lilia G. Aguilar-Parra, Karla Rodríguez-Jiménez, Adib J. de-Saráchaga, Anna L. Bazán-Rodríguez, Eunice Martínez-Jiménez, J. Galnares-Olalde, N. Kerik-Rotenberg, J. Calleja-Castillo, E. León-Manríquez, E. S. Vargas-Cañas, J. C. López-Hernández","doi":"10.24875/rmn.21000050","DOIUrl":"https://doi.org/10.24875/rmn.21000050","url":null,"abstract":"Background: Bickerstaff brainstem encephalitis (BBE) presents with consciousness impairment, ataxia, ophthalmoplegia, and areflexia. Objective: We aim to describe the clinical, paraclinical, and imaging features of patients with BBE from a tertiary-re-ferral neurological center. Methods: A case series was conducted from an ambispective cohort of patients with Guillain-Barré syndrome (GBS) from 2016 to 2021. Subjects ≥ 18 years and who met Odaka et al. BBE criteria were eligible. Data collected included: age, gender, prior infection, Guillain-Barré disability score (GDS score), time from symptom onset to diagnosis, altered mental state, time from symptom onset to altered mental state, cranial nerve involvement, deep tendon reflexes, ataxia, invasive mechanical ventilation (IMV) requirement, treatment, inpatient delirium, length of stay (days), and protein levels in CSF analysis. Nerve conduction studies (NCS) were performed, as well as neuroimaging (brain magnetic resonance imaging [MRI] and F 18-fluorodeoxyglucose PET-CT). Antiganglioside antibodies panel including anti-GQ1b was solicited. Results: Four patients (1.7%) met the inclusion criteria. Two patients manifested stupor and two showed somnolence throughout the course of the disease. Three patients required IMV due to bulbar dysfunction. None of the NCS met the criteria for any GBS electrophysiological variant. One patient was positive for IgM GM2 antibodies. One patient underwent 18F-FDG PET-CT, showing gene-ralized cortical hypometabolism. Conclusion: The frequency of BBE in our population is very low (1.7%). IgM GM2 is another anti-ganglioside antibody related to BBE. Imaging studies such as MRI frequently do not present abnormalities and [ F 18-FDG-PET scan might be a useful study to describe a metabolism pattern to aid the diagnosis of BBE.","PeriodicalId":53921,"journal":{"name":"Revista Mexicana de Neurociencia","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41957186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Environmental enrichment and intellectual disability: Systematic review of neurocognitive effects in children and adolescents","authors":"Orlando Villouta-Gutiérrez, Cristhian Pérez-Villalobos, Romina Rojas-Ponce, Fabiola Sáez-Delgado","doi":"10.24875/rmn.21000012","DOIUrl":"https://doi.org/10.24875/rmn.21000012","url":null,"abstract":"","PeriodicalId":53921,"journal":{"name":"Revista Mexicana de Neurociencia","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48990718","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"We leave a year behind, and we start a new one","authors":"Ildefonso Rodríguez-Leyva","doi":"10.24875/rmn.m21000085","DOIUrl":"https://doi.org/10.24875/rmn.m21000085","url":null,"abstract":"","PeriodicalId":53921,"journal":{"name":"Revista Mexicana de Neurociencia","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44972815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The observation of real videos and movie clips with anger content induces different cortical connectivity patterns in young women","authors":"Jahaziel Molina-Del-Rio, R. M. Hidalgo-Aguirre, Alondra Camacho-Vázquez, María G. Ayón-Rubio","doi":"10.24875/rmn.21000047","DOIUrl":"https://doi.org/10.24875/rmn.21000047","url":null,"abstract":"Background: When we experience an emotion, a personal evaluation of stimuli and physiological responses occurs, based on the previous exposure. Anger can be triggered when we feel upset by movies, and those more realistic as videos of the internet can be even more arousing. Measures can be obtained to estimate synchronous participation between two brain areas during the processing of emotions. Objective: We compare brain activity in response to fictional visual stimuli taken from a movie bank versus real internet videos. Methods: We recorded subjective responses, and electrophysiological parameters to compare the functional connectivity patterns of 26 young women divided into two groups. Results: Results showed differences of functional connectivity revealed a characteristic pattern associated with each type of video observed, with an increased electroencephalographic (EEG) correlation during observation of the internet videos and a decreased EEG correlation while watching the movie clips, between frontal and temporal regions in slow and fast bands. Conclusion: Functional connectivity EEG analysis, together with the subjetive physiological assessment, allow for a closer approach to the study of the cognitive processing of emotions.","PeriodicalId":53921,"journal":{"name":"Revista Mexicana de Neurociencia","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46200508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Parkinson’s disease in the state of Michoacan, evolution, and treatment","authors":"Marcela García-Villa, Raúl Leal-Cantú, Rosa G. Madrigal-Salas, Ildefonso Rodríguez-Leyva, Mariana A. Quintana-Díaz, C. L. González-García","doi":"10.24875/rmn.21000018","DOIUrl":"https://doi.org/10.24875/rmn.21000018","url":null,"abstract":"Objective: This work is the first registry focused on knowing patients’ characteristics with Parkinson’s disease (PD), evolution and treatment used in the state of Michoacán. Methods: 68 patients with PD from the neurology consultation of the General Hospital “Dr. Miguel Silva” from October 1, 2019, to December 31, 2019, who fulfilled the UKPDSBB criteria, were studied. Sociodemographic data, disease duration, and severity according to the Unified Parkinson’s Disease Rating Scale (MDS-UPDRS) and Hoehn and Yahr Scale were collected. Results: A total of 68 patients were included in the study. Seven of them were eliminated for not meeting the inclusion criteria. Of the 61 evaluated, 31 (50.8%) were women, the mean age was 68 years (± 9.8) and the age of diagnosis was 61 years (± 12.6). The predominant comorbidities were diabetes mellitus (16.4%), systemic arterial hypertension (44.3%), and depression (70.5%). The dominant phenotype was rigid-akinetic, with absence or slight tremor in 50.8%. About 36.1% had between 5 and 10 years of suffering from the disease. 36.1% had exposure to pesticides; 31.1% had a history of head trauma. There were 24.6% smoking and 31.1% alcoholism. The drugs most used for motor manifestations were levodopa/carbidopa in 83.6% and pramipexole in 31.1 %. In part I of the MDS-UPDRS scale, the mean score was 9.8 ± 6.0; part II 14.37 ± 9.6; part III 21.22 ± 12.4 and part IV 3.2 ± 3.69. HY, I occupied 37.7%; II 26.2%; III 23%; IV 9.8% and V 3.3%. Conclusions: In this population, the disease occurred without distinction of gender. The only treatment was pharmacological. Rehabilitation, the support of the psychiatrist and nutritionists, is essential for comprehensive management.","PeriodicalId":53921,"journal":{"name":"Revista Mexicana de Neurociencia","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42954600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Repetitive transcranial magnetic stimulation for the treatment of anxiety disorders: A systematic review of the state-of-the-art","authors":"Luis F. Burguete-Castillejos, F. A. Domínguez-Pacheco, C. L. Martínez-González","doi":"10.24875/rmn.20000130","DOIUrl":"https://doi.org/10.24875/rmn.20000130","url":null,"abstract":"Psychiatric disorders, particularly related to depression and anxiety, are emerging as the most disabling diseases of the new era. Finding different intervention methods to treat these conditions is a public health challenge. Thus, exploring the results obtained by transcranial magnetic stimulation (TMS) is critical since this neurostimulation technique could position itself as a blunt alternative to manage anxiety pathologies. In this review, a systematic search for TMS use in anxiety disorders was carried out based on the PRISMA criteria. It was found that the most effective protocol for TMS treatment for anxiety disorders is performed with low-frequency stimulation (1 Hz), with 110% of the motor threshold. Furthermore, repeated TMS has proven its effectiveness in different psychiatric disorders — not only as a therapeutic alternative but also in the search for neurolo-gical biomarkers—. TMS favors neuromodulation through the generation of action potentials, which facilitates the treatment of pathologies related to emotional components, such as anxiety. However, further research is needed to specify the neurobiological mechanisms present in the improvement of symptoms.","PeriodicalId":53921,"journal":{"name":"Revista Mexicana de Neurociencia","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45263694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Virtual reality in gait rehabilitation in children with spastic cerebral palsy","authors":"P. R. Lerma-Castaño, Mónica V. Chanaga-Gelves, José M. Llanos-Mosquera, Laura E. Castro-Serrato, L. Romaña-Cabrera","doi":"10.24875/rmn.21000001","DOIUrl":"https://doi.org/10.24875/rmn.21000001","url":null,"abstract":"Background: Virtual reality (VR) is one of the newest and most used methods in rehabilitation processes, reporting favorable effects. Materials and methods: To know the effects of VR, in the processes of gait rehabilitation in children with cerebral palsy (CP), research in publications of the past 10 years was carried out, in databases of the area of health, science, and technology: ScienceDirect, Nature, Oxford Journals, Sage Publishing, Sage Knowledge, Springer Link Magazines, Taylor and Francis Journals, EBSCO Host, Health and Wellness, ProQuest, PEDro PubMed, and Cochrane Library. The established search criteria were articles with longitudinal designs, controlled clinical trials, case studies, and systematic reviews with/without meta-analysis, which used VR as an intervention in gait rehabilitation in children with CP. Results: A total of 250 articles were found that prove the effectiveness of VR in children with CP. Conclusions: VR can be a complementary strategy for gait rehabilitation in this population.","PeriodicalId":53921,"journal":{"name":"Revista Mexicana de Neurociencia","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46094496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hoping for a better future","authors":"Ildefonso Rodríguez-Leyva","doi":"10.24875/rmn.m21000084","DOIUrl":"https://doi.org/10.24875/rmn.m21000084","url":null,"abstract":"Background: Repeated head trauma associated with sports activities can cause subtle cognitive alterations in amateur players, but these are difficult to detect. objective: The objective of this pilot study was to determine if there is an association between executive functions performance and different sports practice variables in a sample of amateur American football players. Methods: A pilot transversal study with amateur American football male players without previous neurological or psychiatric illnesses, drug abuse, or consumption of psychotropic medications were carried out and evaluated executive functions performance using automated test. In addition, the levels of stress, impulsivity, and symptoms of anxiety and depression were evaluated, as well as multiple variables related to sports practice such as previous concussions, time of sports practice, weekly training time, and position within the game. results: Fourteen men players were assessed, with an average age of 20.57 (standard deviation [SD] ± 1.61) years, played 7 (50%) in an offensive position, 7 (50%) in defensive position, and 3 (21%) presented previous sport-related brain trauma. The average time of practice football was of 35.07 (SD ± 43.10) months, starting age of football playing 17.71 (SD ± 3.64), and hours of training during the week 5.75 (SD ± 2.83). There was no association between cognitive performance and any sports practice variable, however, the offensive position showed significant association with impairments in the highest span of visual working memory task (β = 0.53, SE = 0.16, p = 0.001). Conclusion: The results suggest that executive tasks with high cognitive demand may reveal alterations in the short term in amateur American football players.","PeriodicalId":53921,"journal":{"name":"Revista Mexicana de Neurociencia","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2021-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42598812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}