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INTRODUCCIÓN: La Revista Ciencia y Trabajo (C&T) es editada por la Fundación Científica y Tecnológica de la Asociación Chilena de Seguridad desde 1999, publica trabajos científicos en temas relaciona dos con la seguridad e higiene industrial, salud ocupacional, calidad de vida laboral y otras disciplinas asociadas al trabajo y medio ambiente. OBJETIVO: Analizar la producción científica de los artículos originales publicados en C&T durante el periodo 1999-2015. MATERIAL Y MÉTODOS: Estudio bibliométrico descriptivo, longitudinal y retrospectivo. Se analizaron las características metodológicas y técnicas específicas en pre vención de riesgos laborales para cada uno de los artículos analizados, asimismo, la visibilidad en SciELO Analytics para los últimos años. RESULTADOS: Se publicaron un total de 430 artículos originales en 52 números con una media de 27 ± 8,8 artículos por año y 8 ± 2,6 artícu los por número. Los años con más artículos fueron 2009, 2010 y 2011. El número de autores por artículo oscila entre 1 a 4 (82%), en su mayo ría de universidades de Latinoamérica, destacando Chile, México y Brasil como los países de mayor contribución. La Psicosociología y Medicina del Trabajo son las temáticas más investigadas respecto a otras técnicas específicas en prevención de riesgos laborales como la Seguridad en el Trabajo y Ergonomía, predominando los estudios trans versales de carácter descriptivo-observacional en el idioma español. CONCLUSIONES: Se evidencia la consolidación de la revista a lo largo del tiempo. Por la antigüedad, publicación regular y demás atributos, la Revista C&T puede plantearse la posibilidad de ser indexada en la base de datos Scopus.
BACKGROUND: The journal Science and Work (C&T) has been pub lished by the Scientific and Technological Foundation of the Chilean Security Association since 1999, it publishes scientific papers on issues related to industrial safety and health, occupational health, quality of work life and other disciplines associated with Work and the environment. Objetive: To analyze the scientific production of the original articles published in C&T during the period 1999-2015. MATERIALS-METHODS: Descriptive, longitudinal and retrospective bibliometric study. We analyzed the specific methodological and technical characteristics in occupational risk prevention for each of the analyzed articles, as well as the visibility in SciELO Analytics for the last years. RESULTS: A total of 430 original articles were published in 52 numbers with an average of 27 ± 8.8 articles per year and 8 ± 2.6 articles per number, the years with the most articles were 2009, 2010 and 2011. The number of authors per article ranges from 1 to 4 (82%), mostly from Latin American universities, Chile, Mexico and Brazil being the countries with the highest contribution. Psychosociology and Occupational Medicine are the most researched topics in relation to other specific techniques in the prevention of occupational hazards such as Occupational Safety and Ergonomics, with cross - sectional descriptive - observational studies predominat ing in the spanish language. CONCLUSIONS: It is evident the consolida tion of the journal over time. Due to seniority, regular publication and other attributes, C&T can consider the possibility of being indexed in the Scopus database.
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Publicações Periódicas como Assunto , Bibliometria , Saúde Ocupacional , Chile , Estudos Retrospectivos , Estudos LongitudinaisRESUMO
Serum samples from 315 horses from Costa Rica, Central America, were examined for the presence of antibodies against Sarcocystis neurona, Neospora spp., and Toxoplasma gondii by using the surface antigen (SAG) SnSAG2 enzyme-linked immunosorbent assay (ELISA), the NhSAG1 ELISA, and the modified agglutination test, respectively. Anti- S. neurona antibodies were found in 42.2% of the horses by using the SnSAG2 ELISA. Anti- Neospora spp. antibodies were found in only 3.5% of the horses by using the NhSAG1 ELISA, and only 1 of these horses was confirmed seropositive by Western blot. Antibodies to T. gondii were found in 34.0% of the horses tested, which is higher than in previous reports from North and South America. The finding of anti- S. neurona antibodies in horses from geographical areas where Didelphis marsupialis has wide distribution suggests that D. marsupialis is a potential definitive host for this parasite and a source of infection for these horses.
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Coccidiose/veterinária , Doenças dos Cavalos/epidemiologia , Neospora/imunologia , Sarcocistose/veterinária , Toxoplasmose Animal/epidemiologia , Testes de Aglutinação/veterinária , Animais , Anticorpos Antiprotozoários/sangue , Antígenos de Protozoários/imunologia , Antígenos de Superfície/imunologia , Western Blotting/veterinária , Coccidiose/epidemiologia , Costa Rica/epidemiologia , Didelphis , Vetores de Doenças , Encefalomielite/parasitologia , Encefalomielite/veterinária , Ensaio de Imunoadsorção Enzimática/veterinária , Feminino , Doenças dos Cavalos/parasitologia , Cavalos , Masculino , Sarcocystis/imunologia , Sarcocistose/epidemiologia , Estudos Soroepidemiológicos , Toxoplasma/imunologiaRESUMO
INTRODUCTION: The ability to draw is a complex perception and cognition function, which is acquired in infancy and is not usually investigated in the neuropaediatric clinic. OBJECTIVE: To validate the Pascual graphomotor test (PGT) in 5 to 11 year-old Cuban school children. PATIENTS AND METHODS: The PGT was performed on a total of 172 children from the city of Havana Círculo Infantil del Municipio Plaza nursery school and from the 1st to 5th year of a primary school in the same area. The sample was systematic. The test was repeated the following day. All the drawings were scored blind by a neurologist and neurology resident. RESULTS: For the validation of the test the differentiation with age and school year was taken as a validation criterion. A high correlation was obtained between the ages of the children and the scores obtained. The Spearman coefficient was -0.78 (P=0.01), and a there was a similar inverse correlation between the school year and the test scores (Spearman coefficient=-0.79, P=0.01). The test was very reliable, with an intraclass correlation coefficient (ICC) of 0.99 for inter-observer agreement and 0.97 for the test-retest. CONCLUSIONS: The test was valid according to the criterion employed, differentiation with age and school year. The PGT demonstrated good temporal and inter-observer stability. We believe that it is a very useful tool in the neurological examination of Cuban school children.
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Testes Neuropsicológicos/normas , Desempenho Psicomotor/fisiologia , Instituições Acadêmicas , Criança , Pré-Escolar , Cuba , Feminino , Humanos , Masculino , Estudos Prospectivos , Reprodutibilidade dos TestesRESUMO
BACKGROUND: In Caucasian populations neuromyelitis optica (NMO-IgG) antibody has been detected in 27.1% / 78.2% of patients with relapsing-NMO (R-NMO). The prevalence reported for the disease in the Caribbean is 3.1/100,000 in the French West Indies (FWI) and 0.52 /100,000 in Cuba, but the NMO antibody status is unknown. OBJECTIVE: To assess the NMO-IgG antibody status of Cuban/FWI RNMO patients, comparing with European cases tested at the same laboratories. METHODS: Serum NMO-IgG antibodies were assayed in 48 R-NMO patients (Wingerchucks 1999 criteria): Cuba (24)/FWI (24), employing Lennon et als method. We compared the demographic, clinical, disability and laboratory data between NMO-IgG +/- patients. All the data were reviewed and collected blinded to the NMO-IgG status. RESULTS: Seropositivity of the NMO-IgG antibody demonstrated a lower rate in the Caribbean (33.3%), as compared with Caucasian patients from Spain/Italy (62.5%) and France (53.8%). Caribbean patients with NMO-IgG (+) displayed more attacks, more spinal attacks and a higher EDSS than NMO-IgG (-) cases, while brain and spinal cord MRI lesions were more frequent during remission, with more vertebral segments, more gray, white matter and holocord involvement. CONCLUSIONS: NMO IgG positive antibodies in NMO patients had a lower rate in the Caribbean area - where the population has a predominant African ancestry - than in Caucasian Europeans, suggesting the influence of a possible ethnic factor in the pathogenesis of the disease, but they confer a worse course with more attacks, more disability and MRI lesions.
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Autoanticorpos/sangue , População Negra , Imunoglobulina G/sangue , Neuromielite Óptica/etnologia , Neuromielite Óptica/imunologia , População Branca , Adulto , Encéfalo/patologia , Cuba/epidemiologia , Avaliação da Deficiência , Progressão da Doença , Feminino , Humanos , Imageamento por Ressonância Magnética , Masculino , Martinica/epidemiologia , Neuromielite Óptica/diagnóstico , Recidiva , Índice de Gravidade de Doença , Medula Espinal/patologia , Adulto JovemRESUMO
The life style, genetic predisposition and metabolic changes occurring during pregnancy can modify the percent value of glycated hemoglobins (HbA1 and HbA1c). In addition, research papers from different laboratories in the world have reported contradictory results on this respect. The purpose of this trial was to know the percent value of HbA1 in healthy women, during the different trimesters of pregnancy. 206 pregnant (E) healthy women who came over for prenatal control to UMF No 80 IMSS in Morelia, Michoacan with no previous history of Diabetes mellitus or Essential Hypertension were classified by trimesters of pregnancy (1T, 2T, 3T) and chronological age (I, 18-24; 11, 25-30; III, 31-35 years). Their chronological and gestational ages, weight, height, body mass index and parity were recorded. % HbA1 (ion exchange chromatography) was determined on each patient. Control group was formed by 187 non pregnant healthy women (NE) chosen with same criterion that pregnant women. % HbA1 was lower in E during pregnancy (7.11 +/- 1.53 vs 7.78 +/- 1.12%, p < 0.0001) than NE group. % HbA1 in E group was lower in the 1T and 2T than in the 3T (p < 0.001), same situation was observed in 18 to 24 (group I) and 25 to 30 (group II) years old. In the other hand, in E from group II on the 2T the weeks of gestation were correlated with % HbA1 (r = 0.72, p < 0.05). This results show a diminished HbA1 percent in E group with a lower values in the 1T and 2T. Moreover, these results will allow us to know HbA1 appearance in diabetic pregnant women and to evaluate the degree of metabolic control.
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Hemoglobinas Glicadas/análise , Trimestres da Gravidez/sangue , Adulto , Fatores Etários , Índice de Massa Corporal , Feminino , Humanos , México , Paridade , Gravidez , Valores de ReferênciaRESUMO
INTRODUCTION: We have reviewed and analyzed aspects of the concept of late onset epilepsy and its medical significance. DEVELOPMENT: Analysis of the historical progression of the concept and its aetiologies show variations depending on series, geographical region and historical period in which they were carried out. Thus in former times it was considered to be synonymous with a tumorous or traumatic aetiology and more recently there is a predominance of vascular causes. CONCLUSION: Use of the different means of diagnosis for establishing the aetiology of this patient's group is given further consideration.
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Epilepsia/diagnóstico , Fatores Etários , Epilepsia/etiologia , HumanosRESUMO
UNLABELLED: INTRODUCTION, PATIENTS AND METHODS: We made a study of 223 patients with epileptic seizures which started when the patient was aged over 25 years (late onset), who were admitted to the National Institute of Neurology and Neurosurgery of La Habana, Cuba, over a period of ten years. The patients were divided into three groups according to age: from 25 to 39, from 40 to 59 and over 60 years. They formed two etiological groups--tumour and non-tumour--to evaluate the possible relationship with clinical variables and the results of complementary tests. RESULTS: Of all the patients of groups 25 to 39 and 40 to 59 years. Over half the causes were of undefined cause. Of those in whom the cause was known, the most frequent cause of presentation was a tumour. Although vascular and degenerative causes were most frequent in the over 60 age group, cerebral tumours made up a significant percentage. We found that the presence of localizing signs on neurological examination or neuropsychological study and the occurrence of focal activity on the electroencephalogram were associated with the presence of a tumour, although their absence did not exclude this aetiology. There was no association with the type of seizures seen. CONCLUSION: Computerized axial tomography was very useful in the diagnosis of these tumours. However, a large percentage of patients required from two to four studies to establish the diagnosis.
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Neoplasias Encefálicas/complicações , Epilepsia/etiologia , Adulto , Neoplasias Encefálicas/diagnóstico por imagem , Transtornos Cognitivos/diagnóstico , Transtornos Cognitivos/etiologia , Eletroencefalografia , Epilepsia/diagnóstico , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Testes Neuropsicológicos , Estudos Retrospectivos , Tomografia Computadorizada por Raios XRESUMO
INTRODUCTION: Multiple sclerosis (MS) is the most frequent demyelinating disorder of the central nervous system. It mainly affects young adults and it has been calculated that between 20% and 30% are of late onset (after the age of 40), presenting clinical features, a clinical course and prognosis which are specific to this disorder. MATERIAL AND METHODS: Between 1985 and 1994 we studied 297 cases of MS (diagnosed according to the criteria of Poser) and found that in 20.5% the illness had started when the patients were over the age the 40. RESULTS AND CONCLUSIONS: Certain aspects of the clinical features and course of the disorder were compared, taking the group of late onset cases and a randomized sample of 100 cases of early onset, showing that the symptoms and pyramidal signs were more frequent in the late onset group, whilst sensory and visual signs were commoner in the early onset group. In both groups there were more females. MS was defined according to Poser's criteria in 78.7% and 77% respectively. Chronic, primary and secondary progressive forms predominated in tire late onset group, whilst in the group with onset before the age of 40 there was a predominance of the exacerbating-remitting form.
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Esclerose Múltipla/diagnóstico , Esclerose Múltipla/epidemiologia , Adolescente , Adulto , Distribuição por Idade , Idade de Início , Criança , Cuba/epidemiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Distribuição por Sexo , Fatores de TempoRESUMO
Se estudian todos los nascidos vivos durante el periodo de un ano en el hospital materno-infantil "Ramon Gonzalez Coro", con la finalidad de conocer la existencia de angiodisplasias. Por tal motivo se les practico un cuidadoso examen fisico, donde se encontro una baja frecuencia de malformaciones angiomatosas en los mismos. Se realiza una breve revision de la literatura