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1.
Physiol Behav ; 277: 114498, 2024 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-38367943

RESUMO

Eating diets high in salt has been associated with alterations in the immune system and the potential development of neuropsychiatric disorders. This area of research shows promise, but there is currently a limited amount of research on this topic. The present study investigated whether a high salt diet (HSD) affects anhedonia and stress-coping response behaviors in young male and female Wistar rats. In this study, male and female Wistar rats were fed an HSD (8 % NaCl w/w) from weaning to post-natal day (PND) 64. From PND 60 to 64, the rats underwent a spontaneous locomotor activity test (SLA), sucrose splash test (SST), sucrose preference test (SPT), and forced swim test (FST), followed by euthanasia at PND 65. Male and female rats consuming the HSD exhibited an increase in water intake compared to the corresponding control diet (CD) groups. Male rats had lower body weight despite having similar food intakes compared to the CD group. Male rats displayed an active stress-coping behavior in the FST, characterized by increased mobility. Additionally, HSD-fed males exhibited a greater preference for sucrose solution in the SPT. However, no effect of diet and sex were detected in the SST and the SLA, and hypothalamic levels of leptin and ghrelin receptors. On the other hand, female rats were less susceptible to the experimental conditions applied in this protocol than males.


Assuntos
60670 , Cloreto de Sódio na Dieta , Ratos , Animais , Masculino , Feminino , Ratos Wistar , Peso Corporal/fisiologia , Sacarose
2.
Neurosurg Rev ; 46(1): 145, 2023 Jun 23.
Artigo em Inglês | MEDLINE | ID: mdl-37351641

RESUMO

Neurosurgery is a therapeutic option for patients with refractory obsessive-compulsive disorder who do not respond to previous treatments. Although its efficacy in reducing clinical symptomatology has been proven, few studies have analyzed its effects at the cognitive level. The aim of this systematic review was to describe the cognitive outcomes of functional neurosurgery in patients that went through capsulotomies or cingulotomies. PubMed, Medline, Scopus, PsycInfo, PsyArticles, and Web of Knowledge were searched for studies reporting cognitive outcomes in refractory obsessive-compulsive patients after capsulotomies and cingulotomies. The risk of bias was assessed with the Assessment Tool for Before-After (Pre-Post) Studies With No Control Group tool; 13 studies met inclusion criteria, including 205 refractory obsessive-compulsive disorder patients for both surgical procedures. Results showed a substantial number of studies that did report significant cognitive improvement after surgery, being this improvement specially related to memory and executive functions. The second-most frequent finding is the maintenance of cognitive performance (nor improvement or worsening). From a neuropsychological point of view, this outcome might be considered a success, given that it is accompanied by amelioration of obsessive-compulsive symptoms. Subtle cognitive adverse effects have also been reported. Neurosurgery procedures appear to be safe from a cognitive point of view. Methodological issues must be improved to draw clearer conclusions, but capsulotomies and cingulotomies constitute an effective alternative treatment for refractory obsessive-compulsive disorder patients.


Assuntos
Neurocirurgia , Transtorno Obsessivo-Compulsivo , Psicocirurgia , Humanos , Procedimentos Neurocirúrgicos/métodos , Transtorno Obsessivo-Compulsivo/cirurgia , Transtorno Obsessivo-Compulsivo/psicologia , Psicocirurgia/métodos , Resultado do Tratamento , Cognição
3.
Oper Dent ; 48(1): 33-50, 2023 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-36445973

RESUMO

AIM: This systematic review and meta-analysis evaluated whether the home use of mouthwashes containing potassium salts is effective in reducing and controlling dentin hypersensitivity (DH). METHODS AND MATERIALS: This study is reported according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) checklist and was registered in PROSPERO (CRD42021228410). Randomized clinical trials evaluating the use of mouthwashes containing potassium salt for daily household mouthwash for at least four weeks to reduce DH compared with a control mouthwash were selected, with no limitation on year of publication. Electronic research was carried out in PubMed/MEDLINE, Scopus, Web of Science, and Cochrane Library by two independent researchers. One hundred thirty-three articles were obtained, and nine were selected according to the inclusion criteria. RESULTS: The selected studies evaluated DH through tests of sensitivity to tactile and evaporative stimuli and showed that, for the tactile stimulus, there were no baseline differences between groups (p=0.12; mean difference: -0.33; confidence intervals [CI]: -0.73 to 0.08). However, there were significant differences after two weeks of use (p=0.00001; mean difference: 4.67; CI: 4.53 to 4.81), after four weeks (p=0.00001; mean difference: 13.29; CI: 13.03 to 13.55), and after eight weeks (p=0.00001; mean difference: 8.88; CI: 5.73 to 12.02) favoring the experimental group. The results of the evaporative test showed no differences in the baseline assessment between the two groups (p=0.50; mean difference: -0.02; CI: -0.09 to 0.04), but after four weeks (p=0.00001; mean difference: -0.32; CI: -0.44 to -0.20), and eight weeks of use (p=0.00001; mean difference: -0.42; CI: -0.57 to -0.27) there were differences favoring the experimental group. The incidence of side effects showed no differences between the two groups (p=0.89; mean difference: 1.03; CI: 0.67 to 1.58). CONCLUSION: The daily use of mouthwashes containing potassium salt is effective in the treatment of dentinal hypersensitivity, as a complementary step to brushing at least twice a day for two weeks, four weeks, and up to eight weeks, without presenting side effects.


Assuntos
Dessensibilizantes Dentinários , Sensibilidade da Dentina , Humanos , Antissépticos Bucais/uso terapêutico , Fluoretos , Fluoreto de Sódio , Sais/uso terapêutico , Potássio/uso terapêutico , Sensibilidade da Dentina/tratamento farmacológico , Dessensibilizantes Dentinários/uso terapêutico , Método Duplo-Cego , Resultado do Tratamento
4.
Brain Inj ; 35(9): 1043-1053, 2021 07 29.
Artigo em Inglês | MEDLINE | ID: mdl-34357825

RESUMO

PRIMARY OBJECTIVE: The aim of the study was twofold. First, to study the relationship among apathy in the long term, initial clinical measures, and standard outcome scores after traumatic brain injury (TBI). Second, to describe white matter integrity correlates of apathy symptoms. RESEARCH DESIGN: Correlational study. Methods and Procedures: Correlation and Bayesian networks analyses were performed in a sample of 40 patients with moderate to severe TBI in order to identify the relationship among clinical variables, functionality, and apathy. A diffusion tensor imaging study was developed in 25 participants to describe correlations between fractional anisotropy (FA) measures and apathetic symptoms. MAIN OUTCOMES AND RESULTS: Correlation analysis revealed associations between pairs of variables as apathy in the long term and functional score at discharge from hospital. Bayesian network illustrated the relevant role of axonal injury mediating the relationship between apathy and initial clinical variables. FA in the superior longitudinal fasciculus, the inferior longitudinal fasciculus, and the internal capsule were negatively correlated with apathy measures. Widespread brain areas showed positive correlations between FA and apathy. CONCLUSIONS: These results highlight the relevance of white matter integrity measures in initial assessment after TBI and its relationship with apathetic manifestations in the chronic phase.


Assuntos
Apatia , Lesões Encefálicas Traumáticas , Substância Branca , Anisotropia , Teorema de Bayes , Encéfalo , Lesões Encefálicas Traumáticas/complicações , Lesões Encefálicas Traumáticas/diagnóstico por imagem , Imagem de Tensor de Difusão , Humanos , Substância Branca/diagnóstico por imagem
5.
Artigo em Inglês, Espanhol | MEDLINE | ID: mdl-33431335

RESUMO

INTRODUCTION: The correction of thoracic and lumbar spine fractures with a short instrumentation using Schanz screws, is an effective method for stabilization and sagittal balance restoration. MATERIALS AND METHODS: Bidirectional observational study, included patients undergoing arthrodesis with Schanz screws to manage thoracic and lumbar fractures, the general characteristics, type, and location of the fracture, besides the gain in height of the vertebral body and segmental angle were analyzed. before and after surgery. Clinical and imaging control was performed postoperatively and 1 month after this. p-value < .05 was statistically significant. RESULTS: Of 35 patients undergoing arthrodesis, 13 were excluded due to the absence of images and follow-up. There was a higher proportion of men, the main location of the fracture and AO spine classification was in T12 and type A4/B1 respectively, there was no intraoperative complication, no transfusion was required, and a short hospital stay. A mild complication was presented in the follow-up. The average pre and postoperative change was 12 degrees in the Cobb angle and 5.2 mm vertebral body height in the fractured vertebra, these changes were statistically significant. CONCLUSION: Thoracolumbar and lumbar spine fracture correction with short segment fixation using Schanz screws, is an effective, safe and fast, showing significantly vertebral height gain and segmental angle correction, as a consequence, a correction of the balance and alignment of the spine.

6.
Radiography (Lond) ; 27(2): 340-345, 2021 05.
Artigo em Inglês | MEDLINE | ID: mdl-32967800

RESUMO

INTRODUCTION: AAC-8 and AAC-24 are two widely used scales to evaluate abdominal aortic calcification (AAC) on X-ray images. Levels of ≥3 (AAC-8) and ≥5 points (AAC-24) are of high relevance since they are associated with greater risk of cardiovascular events. Given that it is unknown, our aim was to determine the reliability of both scales at those levels of atherosclerotic burden. METHODS: The sample (93 subjects, 67.3 ± 9.7 years, BMI 28.8 ± 3.8, 57.6% smokers, 64.1% with hypertension) was classified according to quartiles of calcification. Six clinicians evaluated AAC independently with both scales on lateral lumbar spine X-ray images. We analyzed inter-rater agreement with the intraclass correlation coefficient (ICC) and the Bland-Altman scatterplots. RESULTS: We assessed 15 pairs of raters. Scores in both scales were significantly correlated with cardiovascular risk (r = 0.31 and r = 0.32; p < 0.005). Agreement was very high in the first quartile and moderate in the rest (p < 0.05). At cut-off points, ICC = 0.70 (95%CI, 0.54-0.86) and ICC = 0.68 (95%CI, 0.60-0.85) with AAC-8 and AAC-24. With the Bland-Altman method, mean of the differences ranged between 0 and 0.4 (AAC-8), and between 0.2 and 1 (AAC-24), while 95% limits of agreement showed values between 2.9 and 4.4 (AAC-8), and between 6 and 11.2 (AAC-24). Analyzing entire scales, ICC = 0.97 (95%CI, 0.97-0.98) and ICC = 0.98 (95%CI, 0.97-0.98) for AAC-8 and AAC-24, respectively. CONCLUSION: Both scales presented only moderate reliability at levels of atherosclerotic burden. Analyzing quartiles with ICC and the Bland-Altman plot showed concordant results. High global ICC values traditionally reported with both scales are likely biased. IMPLICATIONS FOR PRACTICE: AAC predicts subsequent vascular morbidity and mortality and should implicate evaluation of cardiovascular risk. Optimal visualisation of AAC and its correct assessment are mandatory in order to maximize patient care.


Assuntos
Aorta Abdominal , Vértebras Lombares , Aorta Abdominal/diagnóstico por imagem , Viés , Humanos , Reprodutibilidade dos Testes , Fatores de Risco
7.
BMC Infect Dis ; 20(1): 885, 2020 Nov 25.
Artigo em Inglês | MEDLINE | ID: mdl-33238943

RESUMO

BACKGROUND: There is little information about the frequency of Leishmania infection in asymptomatic people living with HIV (PLWH) and about the performance of laboratory diagnostic methods in coinfected patients in Latin America. The main objective of this study is to evaluate the frequency of Leishmania spp. infection in HIV-infected patients living in an urban area in Brazil. METHODS: To detect Leishmania infection, diagnostic tests were performed to detect anti-Leishmania antibodies (ELISA using Leptomonas seymouri antigens; ELISA using rK39 antigens; ELISA using rK28 antigens; indirect fluorescent-antibody test (IFAT); direct agglutination test (DAT)) and Leishmania DNA (polymerase chain reaction (PCR) with the target genes kDNA and ITS-1). RESULTS: The frequency of at least one positive test was 15%. For ELISA using Leptomonas antigens and IFAT, there was an association between CD4+ T lymphocyte counts and test positivity, with a higher positivity of these tests in more immunosuppressed patients (CD4+ T cell count < 200/mm3). CONCLUSIONS: According to our data, there was a high prevalence of Leishmania spp. infections in this population living with HIV. Although there is the possibility of cross-reaction, some tests that are considered highly specific for the diagnosis of Leishmania infection were positive. There was also an association between the positivity of some tests studied and lower values of CD4+ T lymphocytes.


Assuntos
Coinfecção/epidemiologia , Infecções por HIV/epidemiologia , HIV , Leishmania/genética , Leishmania/imunologia , Leishmaniose Visceral/diagnóstico , Leishmaniose Visceral/epidemiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Testes de Aglutinação , Animais , Brasil/epidemiologia , Contagem de Linfócito CD4 , Estudos de Coortes , Coinfecção/virologia , Estudos Transversais , DNA de Cinetoplasto/genética , Testes Diagnósticos de Rotina/métodos , Ensaio de Imunoadsorção Enzimática , Feminino , Técnica Indireta de Fluorescência para Anticorpo , Infecções por HIV/virologia , Humanos , Leishmaniose Visceral/parasitologia , Masculino , Pessoa de Meia-Idade , Reação em Cadeia da Polimerase , Prevalência , Adulto Jovem
8.
Brain Inj ; 34(12): 1691-1692, 2020 10 14.
Artigo em Inglês | MEDLINE | ID: mdl-33104386

RESUMO

The entire world is experiencing an unprecedented global health crisis and Spain has been one of the most heavily affected countries within Europe. Unexpected rapid changes and reorganization of medical services that occurred during the pandemic lead to an impact in the practice of neurorehabilitation. The idiosyncrasies typical of neurorehabilitation management, specially in acute facilities, that makes it susceptible as a vector of dissemination of Covid but also because of the need of finding new wards and intensive care units for Covid patients, the interventions in neurorehabilitation has suffered enormous changes. There is a need for rethinking the future to treat a new wave of patients with neurorehabilitation necessities such as those recovering from Covid 19 with neurological sequelae but also of those neurorehab patients who were unable to access the health system during the locke down period. This article is intended to invite to reflect on and discuss the redesign of our current neurorehabilitation plans after the experience on the Covid 19 pandemic.


Assuntos
COVID-19/reabilitação , Doenças do Sistema Nervoso/reabilitação , Reabilitação Neurológica/tendências , COVID-19/complicações , COVID-19/epidemiologia , Humanos , Doenças do Sistema Nervoso/etiologia , Pandemias , Sociedades Médicas , Espanha
11.
Rev Neurol ; 70(2): 37-44, 2020 Jan 16.
Artigo em Espanhol, Inglês | MEDLINE | ID: mdl-31930469

RESUMO

INTRODUCTION: The importance of knowing the pattern of evolution of cognitive deficits in the first months after a traumatic brain injury (TBI) has encouraged the development of numerous longitudinal studies. However, the results of most of them should be taken with caution due to the lack of adequate control of practice effects that can lead to overestimating the genuine recovery of cognitive processes. AIM: To describe the cognitive changes between the acute and subacute phases of the TBI controlling the effect of the practice. PATIENTS AND METHODS: Twenty-two patients were assessed in two different time points after TBI (immediately and after six months) using the following tests: Trail Making Test (A, B, B/A, B-A), Stroop Test (W, C, CW, interference), Digit Symbol-Coding, Symbol Search, Digits Forward and Backward, Verbal Fluency and Short-term Memory. To control for the practice effects, a transformation of the scores was performed applying the procedure proposed by Calamia et al. RESULTS. Before controlling the practice effects, the scores of all tests improved (p > 0.001). However, afterward, the improvement remained only in the Trail Making Test-B, B/A and B-A, Digit Symbol-Coding, Symbol Search, Stroop CW and Digits Backward. CONCLUSIONS: The lack of control of practice effects in longitudinal studies can generate misleading interpretations about the evolution of cognitive deficits. The pattern of recovery after a TBI varies depending on the cognitive process.


TITLE: Evolución de las alteraciones cognitivas tras un traumatismo craneoencefálico: ¿hay mejoría tras controlar el efecto de la práctica?Introducción. La importancia de conocer el patrón de evolución de los déficits cognitivos en los primeros meses tras un traumatismo craneoencefálico (TCE) ha fomentado el desarrollo de numerosos estudios longitudinales. Sin embargo, los resultados de la mayoría de ellos deberían tomarse con cautela debido a la falta de un control adecuado del efecto de la práctica, que puede llevar a sobreestimar la recuperación genuina de los procesos cognitivos. Objetivo. Describir los cambios cognitivos entre las fases aguda y subaguda del TCE controlando el efecto de la práctica. Pacientes y métodos. Veintidós pacientes realizaron dos evaluaciones neuropsicológicas tras el TCE (inmediata y tras seis meses) mediante los siguientes tests: Trail Making Test (A, B, B/A y B-A), test de Stroop (P, C, PC e interferencia), clave de números, búsqueda de símbolos, dígitos directos e inversos, fluidez verbal y memoria inmediata. Para controlar el efecto de la práctica se realizó una transformación de las puntuaciones aplicando el procedimiento propuesto por Calamia et al. Resultados. Antes de controlar el efecto de la práctica, se evidenció una mejoría en las puntuaciones de todos los tests (p > 0,001). Sin embargo, tras él, la mejoría permaneció sólo en el Trail Making Test-B, B/A y B-A, la clave de números, la búsqueda de símbolos, el test de Stroop PC y los dígitos inversos. Conclusiones. La falta de control del efecto de la práctica en estudios longitudinales puede generar interpretaciones erróneas sobre el perfil de evolución de los déficits cognitivos. El patrón de recuperación tras un TCE varía en función del proceso cognitivo.


Assuntos
Lesões Encefálicas Traumáticas/complicações , Disfunção Cognitiva/etiologia , Testes Neuropsicológicos , Adulto , Feminino , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Fatores de Tempo , Adulto Jovem
12.
Braz J Med Biol Res ; 52(10): e8833, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31618296

RESUMO

Dyslipidemia has been described in sickle cell anemia (SCA) but its association with increased disease severity is unknown. Here, we examined 55 children and adolescents with SCA as well as 41 healthy controls to test the association between the lipid profiles in peripheral blood and markers of hemolysis, inflammation, endothelial function, and SCA-related clinical outcomes. SCA patients exhibited lower levels of total cholesterol (P<0.001), low-density lipoprotein cholesterol (LDL-c) (P<0.001), and high-density lipoprotein cholesterol (HDL-c) (P<0.001), while displaying higher triglyceride (TG) levels and TG/HDL-c ratio values (P<0.001). TG/HDL-c values were positively correlated with lactate dehydrogenase (P=0.047), leukocyte count (P=0.006), and blood flow velocity in the right (P=0.02) and left (P=0.05) cerebral artery, while being negatively correlated with hemoglobin levels (P<0.04). Acute chest syndrome (ACS) and vaso-occlusive events (VOE) were more frequent in SCA patients exhibiting higher TG/HDL-c values (odds ratio: 3.77, P=0.027). Multivariate logistic regression analysis confirmed independent associations between elevated TG/HDL-c values and SCA. Thus, children and adolescents with SCA exhibited a lipid profile associated with hemolysis and inflammatory parameters, with increased risk of ACS and VOE. TG/HDL-c is a potential biomarker of severity of disease.


Assuntos
Anemia Falciforme/sangue , HDL-Colesterol/sangue , Adolescente , Biomarcadores/sangue , Estudos de Casos e Controles , Criança , Feminino , Humanos , Masculino , Índice de Gravidade de Doença
13.
Sci Total Environ ; 652: 320-329, 2019 Feb 20.
Artigo em Inglês | MEDLINE | ID: mdl-30366333

RESUMO

The AQUACROSS project was an unprecedented effort to unify policy concepts, knowledge, and management of freshwater, coastal, and marine ecosystems to support the cost-effective achievement of the targets set by the EU Biodiversity Strategy to 2020. AQUACROSS aimed to support EU efforts to enhance the resilience and stop the loss of biodiversity of aquatic ecosystems as well as to ensure the ongoing and future provision of aquatic ecosystem services. The project focused on advancing the knowledge base and application of Ecosystem-Based Management. Through elaboration of eight diverse case studies in freshwater and marine and estuarine aquatic ecosystem across Europe covering a range of environmental management problems including, eutrophication, sustainable fisheries as well as invasive alien species AQUACROSS demonstrated the application of a common framework to establish cost-effective measures and integrated Ecosystem-Based Management practices. AQUACROSS analysed the EU policy framework (i.e. goals, concepts, time frames) for aquatic ecosystems and built on knowledge stemming from different sources (i.e. WISE, BISE, Member State reporting within different policy processes, modelling) to develop innovative management tools, concepts, and business models (i.e. indicators, maps, ecosystem assessments, participatory approaches, mechanisms for promoting the delivery of ecosystem services) for aquatic ecosystems at various scales of space and time and relevant to different ecosystem types.


Assuntos
Biodiversidade , Conservação dos Recursos Naturais/métodos , Ecossistema , Monitoramento Ambiental , Política Ambiental , Europa (Continente) , Eutrofização , Pesqueiros , Água Doce
14.
Braz. j. med. biol. res ; 52(10): e8833, 2019. tab, graf
Artigo em Inglês | LILACS | ID: biblio-1039248

RESUMO

Dyslipidemia has been described in sickle cell anemia (SCA) but its association with increased disease severity is unknown. Here, we examined 55 children and adolescents with SCA as well as 41 healthy controls to test the association between the lipid profiles in peripheral blood and markers of hemolysis, inflammation, endothelial function, and SCA-related clinical outcomes. SCA patients exhibited lower levels of total cholesterol (P<0.001), low-density lipoprotein cholesterol (LDL-c) (P<0.001), and high-density lipoprotein cholesterol (HDL-c) (P<0.001), while displaying higher triglyceride (TG) levels and TG/HDL-c ratio values (P<0.001). TG/HDL-c values were positively correlated with lactate dehydrogenase (P=0.047), leukocyte count (P=0.006), and blood flow velocity in the right (P=0.02) and left (P=0.05) cerebral artery, while being negatively correlated with hemoglobin levels (P<0.04). Acute chest syndrome (ACS) and vaso-occlusive events (VOE) were more frequent in SCA patients exhibiting higher TG/HDL-c values (odds ratio: 3.77, P=0.027). Multivariate logistic regression analysis confirmed independent associations between elevated TG/HDL-c values and SCA. Thus, children and adolescents with SCA exhibited a lipid profile associated with hemolysis and inflammatory parameters, with increased risk of ACS and VOE. TG/HDL-c is a potential biomarker of severity of disease.


Assuntos
Humanos , Masculino , Feminino , Criança , Adolescente , Anemia Falciforme/sangue , HDL-Colesterol/sangue , Índice de Gravidade de Doença , Biomarcadores/sangue , Estudos de Casos e Controles
15.
Inf. psiquiátr ; (229): 53-77, jul.-sept. 2017. graf, tab
Artigo em Espanhol | IBECS | ID: ibc-168001

RESUMO

Las tecnologías de la información y comunicación (TIC) han experimentado un importante desarrollo en los últimos años. El uso de la telefonía móvil se ha generalizado a toda la población y ofrecen la posibilidad de que sea incorporada como una herramienta más en el ámbito de la rehabilitación de pacientes con lesiones cerebrales. Sus posibilidades abarcan desde la evaluación en contextos reales y cercanos al paciente, la utilización como herramienta de estimulación y restauración de los procesos cognitivos, a su uso como ayuda externa de carácter compensatorio. Es ésta última función la que resulta de más interés para la rehabilitación y que, previsiblemente, mostrará un mayor desarrollo en el ámbito de la rehabilitación. Si bien, para el éxito pleno de la implantación se hace necesario un cambio de actitud en los profesionales y que sea considerada de utilidad para el éxito de la rehabilitación, algo que ya está mostrando la literatura científica a lo largo de los últimos años


Information and communication technologies (ICT) have undergone a significant development in recent years. The use of mobile telephony has widely spread to the entire population and offers the possibility of incorporating it as a tool in the field of rehabilitation of patients with brain lesions. Its possibilities range from the assessment of patients in real contexts, its use as a tool of stimulation and restoration of the cognitive processes, or even its use as compensatory external aid. This latter function is of great interest for the rehabilitation and it will probably show a greater development in the rehabilitation area. However, a change of attitude is necessary among the therapists for the full success of the implantation of this technology. They must consider the usefulness of ICT for the success of the rehabilitation, something that has been already been shown by the scientific literature in recent years


Assuntos
Humanos , Masculino , Feminino , Adolescente , Adulto Jovem , Adulto , Pessoa de Meia-Idade , Lesões Encefálicas/reabilitação , Aplicativos Móveis , Telefone Celular , Jogos de Vídeo/tendências , Neuropsicologia/métodos , Tecnologia da Informação/métodos , Disfunção Cognitiva/psicologia , Terapia Cognitivo-Comportamental/métodos , Percepção/fisiologia
17.
J Gen Virol ; 97(5): 1168-1177, 2016 May.
Artigo em Inglês | MEDLINE | ID: mdl-26902908

RESUMO

One of the main research issues regarding infectious pancreatic necrosis virus (IPNV) is its virulence mechanisms. The basis for understanding the molecular virulence determinants of this virus was established over the last decade when it was demonstrated that certain amino acid domains in the VP2 and VP2-NS inter-region determined the level of virulence of IPNV. However, certain variability was still inexplicable and therefore other factors may also be involved. To this end, it was demonstrated recently that infectious bursal disease virus (IBDV), a virus in a different genus of the same family as IPNV, can package more than two dsRNA segments, and that polyploidy may be associated with virulence. In the present report, we analysed the viral fractions obtained after gradient centrifugation to demonstrate that IPNV virions can also package more than two segments, thus indicating that polyploidy is a common birnavirus trait. The differential replication ex vivo and virulence in vivo additionally suggested that such a characteristic is involved in the modulation of virus infectivity. However, although the ex vivo results clearly demonstrated that the replication capacity was enhanced as the viral ploidy increased, the in vivo results could not strongly support a direct relationship between ploidy and virulence to the host, thus suggesting that other virulence determinants are also involved.

18.
Br J Dev Psychol ; 34(2): 169-80, 2016 06.
Artigo em Inglês | MEDLINE | ID: mdl-26568283

RESUMO

This study examines children's comprehension of non-essential counting features (conventional rules). The objective of the study was to determine whether the presence or absence of cardinal values in pseudoerrors and the type of conventional rule violated affects children's performance. A detection task with pseudoerrors was presented through a computer game to 146 primary school children in grades 2 through 4. The same pseudoerrors were presented both with and without cardinal values; the pseudoerrors violated conventional rules of spatial adjacency, temporal adjacency, spatial-temporal adjacency, and left-to-right direction. Half of the participants within each age group were randomly assigned to an experimental condition that included pseudoerrors with a cardinal value, and the other half were assigned to a condition that included pseudoerrors without a cardinal value. The results show that when presented with a cardinal value, children more easily recognize the optional nature of non-essential counting features. Likewise, the type of conventional rule transgressed significantly affected the children's acceptance of pseudoerrors as valid counts. Participants penalized breaches of temporal and spatial-temporal adjacency to a greater degree than breaches of spatial adjacency and left-to-right direction.


Assuntos
Desenvolvimento Infantil/fisiologia , Função Executiva/fisiologia , Conceitos Matemáticos , Percepção Visual/fisiologia , Criança , Feminino , Humanos , Masculino
19.
J Mech Behav Biomed Mater ; 51: 260-8, 2015 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-26275488

RESUMO

PURPOSE: The purpose of this study was the simulation of the implantation of intrastromal corneal-ring segments for patients with keratoconus. The aim of the study was the prediction of the corneal curvature recovery after this intervention. METHODS: Seven patients with keratoconus diagnosed and treated by implantation of intrastromal corneal-ring segments were enrolled in the study. The 3D geometry of the cornea of each patient was obtained from its specific topography and a hyperelastic model was assumed to characterize its mechanical behavior. To simulate the intervention, the intrastromal corneal-ring segments were modeled and placed at the same location at which they were placed in the surgery. The finite element method was then used to obtain a simulation of the deformation of the cornea after the ring segment insertion. Finally, the predicted curvature was compared with the real curvature after the intervention. RESULTS: The simulation of the ring segment insertion was validated comparing the curvature change with the data after the surgery. Results showed a flattening of the cornea which was in consonance with the real improvement of the corneal curvature. The mean difference obtained was of 0.74 mm using properties of healthy corneas. CONCLUSIONS: For the first time, a patient-specific model of the cornea has been used to predict the outcomes of the surgery after the intrastromal corneal-ring segments implantation in real patients.


Assuntos
Córnea/cirurgia , Ceratocone/cirurgia , Fenômenos Mecânicos , Modelagem Computacional Específica para o Paciente , Próteses e Implantes , Fenômenos Biomecânicos , Análise de Elementos Finitos , Humanos
20.
Eur J Med Chem ; 97: 462-82, 2015 Jun 05.
Artigo em Inglês | MEDLINE | ID: mdl-25482553

RESUMO

Phthalazinones are an important kind of nitrogen atom containing heterocyclic compounds due to their synthetic and pharmacological versatility. This fused heterocycle system represents a common structural feature for many bioactive compounds showing a variety of pharmacological activities such as anticancer, anti-diabetic, anti-asthmatic, antihistaminic, antihypertensive, antithrombotic, anti-inflammatory, analgesic, antidepressant or antimicrobial agents, which makes it an attractive scaffold for the design and development of new drugs. This review summarizes detailed and updated information, described in recent non-patent literature, about the most relevant pharmacological properties of phthalazinone derivatives, highlighting the application of this potent pharmacophore in drug discovery.


Assuntos
Descoberta de Drogas , Compostos Heterocíclicos/química , Compostos Heterocíclicos/farmacologia , Ftalazinas/química , Ftalazinas/farmacologia , Animais , Desenho de Fármacos , Humanos , Estrutura Molecular , Relação Estrutura-Atividade
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