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STUDY QUESTION: Does double stimulation, followed by a fresh embryo transfer (DUOSTIM fresh) give a higher number of good-quality blastocysts as compared with a single stimulation in young low prognosis patients? SUMMARY ANSWER: Compared to single stimulation, DUOSTIM fresh leads to a significantly higher number of good quality blastocysts, without hindering fresh embryo transfer outcomes. WHAT IS KNOWN ALREADY: DUOSTIM (ovarian stimulation both in the follicular and luteal phase of the same cycle) is an innovative strategy to retrieve a higher number of oocytes in a shorter time frame, thus it is particularly appealing for poor ovarian responders. Three current limitations of dual stimulation are: (i) it is unclear whether outcomes of the second (luteal) wave result from the second stimulation, or a carry-over effect from previous follicular stimulation; (ii) the desynchronization between endometrium and ovaries and, (iii) lack of robust evidence. No previous studies explored DUOSTIM starting from the luteal phase, and with a fresh embryo transfer (DUOSTIM fresh). STUDY DESIGN, SIZE, DURATION: This study is a randomized, controlled, single-center, superiority clinical trial comparing two different ovarian stimulation protocols: a double stimulation cycle versus a single stimulation cycle followed by fresh embryo transfer. The primary outcome was the number of good quality blastocysts obtained, while secondary outcomes included results from fresh embryo transfer (clinical pregnancy, miscarriage). A total of 120 women were enrolled in this study between October 2020 and October 2022, with a 1:1 allocation. PARTICIPANTS/MATERIALS, SETTING, METHODS: Only young (<40 years old) low prognosis (anti-Müllerian hormone <1.2 ng/ml) patients were recruited in the Reproductive Medicine Department of Dexeus University Hospital. In the investigational group, DUOSTIM fresh, the first stimulation was initiated in the luteal phase (Day 18-21 cycle) followed by a second stimulation 5 days post first oocyte retrieval, initiated in the follicular phase and a fresh embryo transfer of the best blastocyst generated (first or second cycle). The control group performed a follicular phase single stimulation cycle with a fresh embryo transfer. MAIN RESULTS AND THE ROLE OF CHANCE: Overall, 107 patients were analyzed, 53 in the investigational (DUOSTIM fresh) and 54 in the control arm (single stimulation). DUOSTIM fresh resulted in a significantly higher number of good quality blastocysts as compared to single stimulation (difference of mean 0.81, 95% CI 0.12-1.49). The mean percentage of cycles with embryo transfer was comparable (62.3% and 51.9%, respectively for double versus single stimulation). No significant differences were found for clinical outcomes following fresh embryo transfer with an ongoing pregnancy rate of 24.5% for DUOSTIM fresh versus 22.2%, for conventional IVF. Of interest comparisons between different stimulation cycles (A: luteal-phase DUOSTIM fresh, B: follicular-phase DUOSTIM fresh, and C: single stimulation) did not demonstrate any significant difference in terms of ovarian response with the mean (SD) number of mature oocytes being (A: 3.3 (2.9), B: 3.4 (3.4), and C: 3.5 (2.9), respectively). LIMITATIONS, REASONS FOR CAUTION: Study sample size was calculated to detect differences on the mean number of good quality blastocysts. Therefore, results for secondary outcomes (embryo transfer rates and clinical pregnancy rates) should be interpreted with caution as exploratory findings that deserve future investigations. WIDER IMPLICATIONS OF THE FINDINGS: Although DUOSTIM fresh results in a higher number of blastocysts as compared with a single stimulation in young low prognosis patients, the decision of performing dual stim should be evaluated with caution, considering that whether this may improve embryo transfers rate and pregnancy outcomes is still unclear. Results on cumulative-live-birth-rate are warranted. STUDY FUNDING/COMPETING INTEREST(S): The study was an investigator-initiated study supported by an unrestricted grant by Organon. N.P.P. has received grants from Merck Serono, Organon, Ferring Pharmaceutical, Theramex, and Besins Healthcare. N.P.P. has received consulting fees from Merck Serono, Organon, Besins Healthcare, and IBSA. N.P.P. has received honoraria for lectures from Merck Serono, Organon, Theramex, Roche Diagnostics, IBSA, Besins Healthcare, and Ferring. A.R. has received Research grants, honoraria for lectures from Merck Serono, MSD/Organon, Ferring Pharmaceuticals, Besins International, IBSA, Guerbet. The other authors declare that there is no conflict of interest to disclose with respect to the content of this article. TRIAL REGISTRATIO NUMBER: NCT04446845. TRIAL REGISTRATION DATE: 25 June 2020. DATE OF FIRST PATIENT'S ENROLMENT: 30 October 2020.
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For the first time, a method based on dispersive solid phase microextraction (D-µSPE) using commercial metal-organic frameworks coupled to liquid chromatography-triple quadrupole tandem mass spectrometry (LC-MS/MS) has been proposed for the determination of isoflavones in soy drinks. The use of commercial sorbents simplifies the sample treatment procedure and allows their application to routine analysis. Optimization of the parameters involved in the microextraction process was carried out using a Box-Behnken experimental design. Under the optimized conditions, the limits of detection ranged between 2 and 7 µg L-1; the intra-day and inter-day precision were <10 and 20%, respectively, and the recoveries were in the range of 61-120%. No significant matrix effect was found, which allowed the use of external standard calibration method. The method was successfully applied to the determination of isoflavones in commercial soy milk samples.
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Isoflavonas , Microextracción en Fase Sólida , Alimentos de Soja , Leche de Soja , Isoflavonas/análisis , Isoflavonas/aislamiento & purificación , Límite de Detección , Cromatografía Líquida con Espectrometría de Masas , Estructuras Metalorgánicas/química , Microextracción en Fase Sólida/métodos , Alimentos de Soja/análisis , Leche de Soja/química , Espectrometría de Masas en Tándem , Análisis de los AlimentosRESUMEN
Mutational hotspots are DNA regions with an abnormally high frequency of genetic variants. Identifying whether a variant is located in a mutational hotspot is critical for determining the variant's role in disorder predisposition, development, and treatment response. Despite their significance, current databases on mutational hotspots are limited to the oncology domain. However, identifying mutational hotspots is critical for any disorder in which genetics plays a role. This is true for the world's leading cause of death: cardiac disorders. In this work, we present CardioHotspots, a literature-based database of manually curated hotspots for cardiac diseases. This is the only database we know of that provides high-quality and easily accessible information about hotspots associated with cardiac disorders. CardioHotspots is publicly accessible via a web-based platform (https://genomics-hub.pros.dsic.upv.es:3099/). Database URL: https://genomics-hub.pros.dsic.upv.es:3099/.
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Bases de Datos Genéticas , Cardiopatías , Mutación , Humanos , Cardiopatías/genéticaRESUMEN
The high prevalence of obesity in Mexico starting from the early stages of life is concerning and represents a major public health problem. Genetic association studies have reported that single nucleotide variants (SNVs) in SIRT1, an NAD+-dependent deacetylase that plays an important role in the regulation of metabolic cellular functions, are associated with multiple metabolic disorders and the risk of obesity. In the present study, we analyzed the effect that the SNVs rs1467568 and rs7895833 of the SIRT1 gene may have on cardiometabolic risk factors in a young adult population from Mexico. A cross-sectional study was carried out with young adults between the ages of 18 and 25 who had a body mass index (BMI) greater than 18.5 kg/m2. This study included 1122 young adults who were classified into the normal weight (n = 731), overweight group (n = 277), and obesity group (n = 114) according to BMI of whom 405 and 404 volunteers were genotyped for rs1467568 and rs7895833 respectively using TaqMan probes through allelic discrimination assays. We found that the male sex carrying the G allele of rs7895833 had slightly lower BMI levels (p = 0.009). Furthermore, subjects carrying rs1467568 (G allele) showed a 34% lower probability of presenting with hyperbetalipoproteinemia where female carrying rs1467568 had lower levels of total cholesterol (p = 0.030), triglycerides (p = 0.026) and LDL cholesterol (p = 0.013). In conclusion, these findings suggest that the presence of both SNVs could have a non-risk effect against dyslipidemia in the Mexican population.
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PURPOSE: The main study goal is to assess the relationship between adherence to the mediterranean diet (MD) and the presence of diabetic peripheral neuropathy (DPN) in patients with type 2 diabetes mellitus (T2DM). METHODS: Observational pilot study of 174 patients diagnosed with T2DM. Sociodemographic and anthropometric variables, physical activity, smoking habits, blood biochemical parameters and comorbidities were recorded. The presence of alterations in sensitivity to pressure, pain, thermal and vibration was explored. Good MD adherence was a score ≥ 9 the 14-point MD adherence questionnaire (MEDAS-14). RESULTS: The study population consisted of 174 patients (61.5% men and 38.5% women), with a mean age of 69.56 ± 8.86 years; 19% of these patients adhered to the MD. The score obtained in the MEDAS-14 was higher in patients who did not present alterations in sensitivity to pressure (p = 0.047) or vibration (p = 0.021). The patients without diabetic peripheral neuropathy were more likely to comply with the MD and had a higher score on the MEDAS-14 (p = 0.047). However, multivariate analysis showed that only altered sensitivity to pressure was associated with adherence to the MD (altered sensitivity OR = 2.9; 95%CI 1.02-8.22; p = 0.045). CONCLUSIONS: Although the patients with DPN had lower scores on the MEDAS questionnaire and therefore poorer adherence to the mediterranean diet, the only parameter significantly associated with the MD was that of sensitivity to pressure (monofilament test).
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OBJECTIVE: This article aims to estimate the differences in environmental impact (greenhouse gas [GHG] emissions, land use, energy used, acidification and potential eutrophication) after one year of promoting a Mediterranean diet (MD). METHODS: Baseline and 1-year follow-up data from 5800 participants in the PREDIMED-Plus study were used. Each participant's food intake was estimated using validated semi-quantitative food frequency questionnaires, and the adherence to MD using the Dietary Score. The influence of diet on environmental impact was assessed through the EAT-Lancet Commission tables. The influence of diet on environmental impact was assessed through the EAT-Lancet Commission tables. The association between MD adherence and its environmental impact was calculated using adjusted multivariate linear regression models. RESULTS: After one year of intervention, the kcal/day consumed was significantly reduced (-125,1 kcal/day), adherence to a MD pattern was improved (+0,9) and the environmental impact due to the diet was significantly reduced (GHG: -361 g/CO2-eq; Acidification:-11,5 g SO2-eq; Eutrophication:-4,7 g PO4-eq; Energy use:-842,7 kJ; and Land use:-2,2 m2). Higher adherence to MD (high vs. low) was significantly associated with lower environmental impact both at baseline and one year follow-up. Meat products had the greatest environmental impact in all the factors analysed, both at baseline and at one-year follow-up, in spite of the reduction observed in their consumption. CONCLUSIONS: A program promoting a MD, after one year of intervention, significantly reduced the environmental impact in all the factors analysed. Meat products had the greatest environmental impact in all the dimensions analysed.
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Dieta Mediterránea , Gases de Efecto Invernadero , Humanos , Dieta , Ambiente , Recolección de DatosAsunto(s)
Asma , Hipersensibilidad , Pólipos Nasales , Rinitis , Humanos , Asma/epidemiología , Sistema de Registros , Enfermedad CrónicaRESUMEN
BACKGROUND: Genomics-based clinical diagnosis has emerged as a novel medical approach to improve diagnosis and treatment. However, advances in sequencing techniques have increased the generation of genomics data dramatically. This has led to several data management problems, one of which is data dispersion (i.e., genomics data is scattered across hundreds of data repositories). In this context, geneticists try to remediate the above-mentioned problem by limiting the scope of their work to a single data source they know and trust. This work has studied the consequences of focusing on a single data source rather than considering the many different existing genomics data sources. METHODS: The analysis is based on the data associated with two groups of disorders (i.e., oncology and cardiology) accessible from six well-known genomic data sources (i.e., ClinVar, Ensembl, GWAS Catalog, LOVD, CIViC, and CardioDB). Two dimensions have been considered in this analysis, namely, completeness and concordance. Completeness has been evaluated at two levels. First, by analyzing the information provided by each data source with regard to a conceptual schema data model (i.e., the schema level). Second, by analyzing the DNA variations provided by each data source as related to any of the disorders selected (i.e., the data level). Concordance has been evaluated by comparing the consensus among the data sources regarding the clinical relevance of each variation and disorder. RESULTS: The data sources with the highest completeness at the schema level are ClinVar, Ensembl, and CIViC. ClinVar has the highest completeness at the data level data source for the oncology and cardiology disorders. However, there are clinically relevant variations that are exclusive to other data sources, and they must be considered in order to provide the best clinical diagnosis. Although the information available in the data sources is predominantly concordant, discordance among the analyzed data exist. This can lead to inaccurate diagnoses. CONCLUSION: Precision medicine analyses using a single genomics data source leads to incomplete results. Also, there are concordance problems that threaten the correctness of the genomics-based diagnosis results.
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Fuentes de Información , Medicina de Precisión , Humanos , Medicina de Precisión/métodos , Genómica/métodos , Genoma , Oncología MédicaRESUMEN
PURPOSE: Data about molar-incisor hypomineralization (MIH) prevalence and its severity remains limited for some Latin American countries. Furthermore, its association with socioeconomic status (SES) is still unclear. Thus, this study aims to determine the prevalence and severity of MIH in Santiago, Chile and explore its association with SES. METHODS: A cross-sectional study with schoolchildren between 6 and 12 years was conducted. Children were evaluated using the European Academy of Paediatric Dentistry to diagnose MIH, and the Mathu-Muju and Wright criteria to determine its severity. RESULTS: A total of 1,270 children were included. The MIH prevalence was 12.8% without association with gender (p = 0.609). Prevalence was higher among schoolchildren ages 8 and 9 (p = 0.002), and in lower SES (p = 0.007). MIH mild cases were the most prevalent (63%), and severity was not related to gender (p = 0.656), age (p = 0.060), or SES (p = 0.174). CONCLUSIONS: The prevalence of MIH in the province of Santiago, Chile is 12.8% and was found to have a higher incidence in 8-9-year-old students and among those categorized by low SES. Furthermore, MIH prevalence was associated with low SES. IMPLICATIONS: Public health policies to address MIH in Chile should start with schoolchildren aged 8 to 9, and with low SES.
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Hipoplasia del Esmalte Dental , Hipomineralización Molar , Niño , Humanos , Estudios Transversales , Chile/epidemiología , Diente Molar , Incisivo , Hipoplasia del Esmalte Dental/epidemiología , Prevalencia , Clase SocialRESUMEN
Paciente de 26 años afecto de ataxia de Friederich con una miocardiopatía hipertrófica no obstructiva sometido a una tiroidectomía total por una tirotoxicosis secundaria a amiodarona persistente (a pesar de elevadas dosis de antitiroideos y corticoides), que intraoperatoriamente presentó un episodio sugestivo de tormenta tiroidea.La tormenta tiroidea es una urgencia endocrinológica que asocia una elevada morbimortalidad. Para mejorar la supervivencia es de vital importancia un diagnóstico temprano y un tratamiento precoz que incluya: un tratamiento sintomático, el tratamiento de las manifestaciones cardiovasculares, neurológicas y/o hepáticas y de la tirotoxicosis, así como suprimir o evitar estímulos desencadenantes y practicar un tratamiento definitivo.(AU)
A 26-year-old patient with Friederich's ataxia with hypertrophic obstructive cardiomyopathy undergoing a total thyroidectomy due to persistent amiodarone-induced thyrotoxicosis (despite high doses of antithyroid drugs and corticosteroids), presented an intraoperative episode suggestive of thyroid storm.Thyroid storm is an endocrine emergency that is associated with high morbimortality. Early diagnosis and treatment, which is of vital importance to improve survival. Treatment includes: symptomatic treatment, treatment of cardiovascular, neurological, and/or hepatic manifestations and thyrotoxicosis, measures to suppress or avoid triggering stimuli, and definitive treatment.(AU)
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Humanos , Masculino , Adulto , Ataxia de Friedreich/complicaciones , Ataxia de Friedreich/tratamiento farmacológico , Crisis Tiroidea/complicaciones , Crisis Tiroidea/tratamiento farmacológico , Cardiomiopatía Hipertrófica , Tirotoxicosis , Amiodarona , Anestesia , Anestesiología , Resultado del Tratamiento , Pacientes Internos , Examen Físico , Evaluación de SíntomasRESUMEN
Aims: In this study, we evaluated the association of sociodemographic, lifestyle and cardiometabolic factors with blood glucose levels in children and adolescents in Mexico. Methods: An analytical cross-sectional study of 642 children and adolescents aged 6 to 19 years from different educational centers located in municipalities of the state of San Luis Potosí, Mexico, was carried out. Pearson χ2 and Spearman correlation tests and multiple linear regression models were used to evaluate the associations of the variables with glycemia. Results: The prevalence of prediabetes was 8.0% in both sexes. Male participants were more likely to develop hyperglycemia than female participants (OR 2.7, 95% CI: 1.5-5.0). The variables associated with glucose levels were male sex, high socioeconomic status, inadequate diet, high blood pressure, and increased total cholesterol, LDL cholesterol, and triglycerides, which also explained up to 15.6% (p < 0.05) of the variability in glucose concentrations. Conclusion: The detection of sociodemographic, lifestyle and cardiometabolic factors in children and adolescents will contribute to the implementation of prevention strategies for cardiometabolic diseases, among which prediabetes is common.
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A 26-year-old patient with Friederich's ataxia with hypertrophic obstructive cardiomyopathy undergoing total thyroidectomy due to persistent amiodarone-induced thyrotoxicosis (despite high doses of antithyroid drugs and corticosteroids), presented an intraoperative episode suggestive of thyroid storm. Thyroid storm is an endocrine emergency that is associated with high morbidity and mortality. Early diagnosis and treatment, which is of vital importance to improve survival, includes symptomatic treatment, treatment of cardiovascular, neurological, and/or hepatic manifestations and thyrotoxicosis, measures to suppress or avoid triggering stimuli, and definitive treatment.
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Anestésicos , Crisis Tiroidea , Tirotoxicosis , Humanos , Adulto , Crisis Tiroidea/complicaciones , Crisis Tiroidea/diagnóstico , Crisis Tiroidea/tratamiento farmacológico , Tirotoxicosis/complicaciones , Tirotoxicosis/cirugía , Tirotoxicosis/inducido químicamente , Ataxia/complicaciones , Ataxia/tratamiento farmacológico , Antitiroideos/efectos adversos , Anestésicos/efectos adversosRESUMEN
Objetivo: Determinar la confianza de los estudiantes de 4to y 5to año de Odontología al realizar tratamientos de conducto uniradiculares. Materiales y métodos: Se evaluaron 81 estudiantes de Odontología de una universidad privada de Lima a través del cuestionario elaborado por Davey para medir su confianza al realizar tratamientos endodónticosuniradiculares. Se comprobó la validez interna a través de la traducción del cuestionario, juicio de expertos y una prueba piloto; en donde, se obtuvieron coeficientes de V de Aiken (0.91), Alfa de Cronbach (0.89) y correlación de Spearman (0.61). Se obtuvieron medidas estadísticas descriptivas (Media, D.E, Mediana y RIC) de la confianza y co variables. Asimismo, para el análisis bivariado se empleó la prueba de U de Mann Whitney, Kruskal Wallis y Correlación de Spearman. Resultados: Se encontró un elevado puntaje de confianza (8.51) en los estudiantes al realizar una endodoncia uniradicular y los puntajes más bajos fueron al determinar la longitud de trabajo y la obturación de los conductos con un promedio de 8.19 y 8.01. Asimismo, las variables experiencia previa, percepción de complicación y haber tenido una complicación fueron estadísticamente significativas. Finalmente, se encontró una correlación positiva entre las dimensiones de las variables percepción de la enseñanza en endodoncia y la confianza. Conclusiones: Existe una elevada confianza al realizar tratamientos de conductos uniradiculares en los estudiantes de 4to y 5to año de la carrera de Odontología. (AU)
Objective: To determine the confidence when performing single root canal treatments of the 4th and 5th year students of the Dentistry at a Private University of Lima. Materials and Methods: Eighty-one dental students from a private university in Lima were evaluated through a survey of the article prepared by Davey to measure their confidence when performing single root canal treatment. Internal validity was verified through questionnaire translation processes, expert judgment and a pilot test. Adequate coefficient of Aikens V (0.91), Cronbachs Alpha (0.89), and Spearmans correlation (0.61) were obtained. Descriptive statistical measures were obtained (Mean, S.D, Median, and IQR) and for the bivariate analysis, U Mann Whitneys, Kruskal Wallis, Dunn Test and Spearmans Correlation tests were used. Results: Students had a high confidence score (8.51) when performing a single root canal treatment and the lowest scores were when determining the length of work and the obturation of the canals with an average of 8.19 and 8.01 respectively. Likewise, the variables as previous experience, perception of complication and having had difficulties were statistically significant. Finally, a positive correlation was found between the dimensions of the variable perception of teaching in endodontics (p=0.003) (p=0.000) (p=0.000) and the variable confidence. Conclusions: There is high confidence when performing single root canal treatment by the students of 4th and 5th year of the Dentistry career. (AU)
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Humanos , Masculino , Femenino , Adulto Joven , Adulto , Educación en Odontología , Estudiantes de Odontología , Endodoncia , Confianza , Estudios Transversales , Epidemiología Descriptiva , Encuestas y Cuestionarios , PerúRESUMEN
Introduction: Students dietary habits are moving from Mediterranean diet guidelines towards unhealthy eating patterns. The aim of this study was to determine adherence to the Mediterranean diet in a sample of Spanish university students and its association with lifestyle factors. Material and methods: A descriptive cross-sectional study was conducted with 685 university students who completed a self-report questionnaire. The data collected included demographic characteristics, dietary habits, smoking habits, alcohol consumption and physical activity. Mediterranean diet adherence was assessed by measuring the consumption of the foods that compose this type of diet through a score (range 010). Adherence to the Mediterranean diet was considered poor, average, or good. Results: The mean adherence score for the Mediterranean diet was 4.9 (1.2) points out of 10. A higher degree of adherence to the Mediterranean diet was observed in physically active students (OR=2.31, 95% CI: 1.055.10; p=0.038). Students who performed ≥150min/week of physical activity (OR=0.45, 95% CI: 0.330.62; p<0.001) and those over 25 years old (OR=0.44, 95% CI: 0.260.73; p=0.002) were less prone to low adherence to the Mediterranean diet than sedentary and younger students. Conclusion: The university students have poor adherence to the Mediterranean diet. The results of the current study indicate that age and physical activity are associated with Mediterranean diet adherence. It is urgent to raise awareness among university students and implement intervention programmes promoting a healthy lifestyle. (AU)
Introducción: Los hábitos alimentarios de los estudiantes universitarios se están alejando de las pautas de la dieta mediterránea hacia patrones de alimentación poco saludables. El objetivo de este estudio fue determinar la adherencia a la dieta mediterránea en una muestra de estudiantes universitarios españoles y su asociación con factores del estilo de vida. Material y métodos: Se realizó un estudio descriptivo transversal con 685 universitarios que cumplimentaron un cuestionario autoinformado. Los datos recogidos incluyeron características demográficas, hábitos alimentarios, hábito tabáquico, consumo de alcohol y actividad física. La adherencia a la dieta mediterránea fue evaluada midiendo el consumo de alimentos que componen este tipo de dieta a través de una escala (rango 0-10). La adherencia a la dieta mediterránea se consideró pobre, media y buena. Resultados: La puntuación media de adherencia a la dieta mediterránea fue de 4,9 (1,2) puntos de 10. Se observó un mayor grado de adherencia a esta dieta en los estudiantes físicamente activos (OR=2,31; IC95%: 1,05-5,10; p=0,038). Los estudiantes que realizaban ≥150min/semana de actividad física (OR=0,45; IC95%: 0,33-0,62; p<0,001) y los mayores de 25 años (OR=0,44; IC95%: 0,26-0,73; p=0,002) fueron menos propensos a una baja adherencia a la dieta mediterránea que los estudiantes sedentarios y los más jóvenes. Conclusión: Los estudiantes universitarios tienen una pobre adherencia a la dieta mediterránea. Los resultados del presente estudio indican que la edad y la actividad física están asociadas con la adherencia a la dieta mediterránea. Es urgente concienciar a los universitarios e implementar programas de intervención que promuevan un estilo de vida saludable. (AU)
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Humanos , Masculino , Femenino , Adulto Joven , Adulto , Persona de Mediana Edad , Anciano , Anciano de 80 o más Años , Dieta Mediterránea , Estilo de Vida , Estudiantes , Epidemiología Descriptiva , Estudios Transversales , Encuestas y Cuestionarios , España , UniversidadesRESUMEN
Antecedentes El accidente cerebrovascular (ACV) es una patología frecuente que conlleva diferentes secuelas, entre las que se encuentran la afectación de la movilidad del tobillo y las alteraciones del equilibrio. Existen diversas opciones terapéuticas para tratar estos déficits, entre ellas la estimulación eléctrica funcional (FES) y el entrenamiento de la marcha con perturbaciones. Objetivo Analizar los resultados de una intervención combinada de FES y entrenamiento de la marcha con perturbaciones, así como comprobar las repercusiones en la ejecución de actividades de la vida diaria y la participación de la persona. Metodología Se estudió el caso de un varón con hemiparesia izquierda a consecuencia de un ACV. El protocolo de rehabilitación constó de 20 sesiones de 50min (2sesiones/semana) donde se combinó el entrenamiento del equilibrio y la marcha con Balance Tutor y FES con Fesia Walk. Se evaluaron los resultados con las escalas: 10Meter Walk Test, Five Times Sit to Stand Test, Timed Up and Go, Balance Evaluation Systems Test (BESTest) y Activities-Specific Balance Confidence (ABC). Resultados Se observaron mejoras clínicas en las escalas valoradas, especialmente en el BESTest y el ABC. Conclusiones Se trata de una prueba de concepto satisfactoria de la combinación de dos técnicas, y es necesaria más investigación sobre ello en personas con ACV y otras patologías neurológicas (AU)
Introduction Stroke is a frequent disease that entails different sequelae, among which are the affectation of ankle motion and balance disorders. Various therapeutic can be used to treat these deficits, including functional electrical stimulation (FES) and disturbance gait training. Objective To analyse the results of a combined intervention of FES and gait training with disturbances, as well as to verify the repercussions on the execution of activities of daily living and the person's participation. Methods The case of a man with left hemiparesis because of a stroke was studied. The rehabilitation protocol consisted of 20 sessions of 50min (2sessions/week) where balance and gait training were combined with Balance Tutor and FES with Fesia Walk. The results were evaluated with the scales: 10Meter Walk Test, Five Times Sit to Stand Test, Timed Up and Go, Balance Evaluation Systems Test (BESTest) and Activities-Specific Balance Confidence (ABC). Results Clinical improvements were observed in the assessed scales, especially in the BESTest and the ABC. Conclusions This is a satisfactory proof of concept of the combination of two techniques, and more research is needed on it in people with stroke and other neurological diseases (AU)
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Humanos , Masculino , Persona de Mediana Edad , Estimulación Eléctrica/métodos , Rehabilitación de Accidente Cerebrovascular/métodos , Equilibrio Postural , Resultado del TratamientoRESUMEN
INTRODUCTION: This study aimed to assess the associations between the relative abundance (RA) of blood metabolites and growth rate (i.e., live weight change, LWC) calculated using different intervals of time between live weight (LW) measurements from the metabolome assessment. METHODS: Grazing beef cattle were raised for 56 days and blood samples from each animal were taken on day 57. Live weight was continuously measured using an automatic in-paddock weighing scale. The RA of plasma metabolites were determined using proton nuclear magnetic resonance (NMR). Live weight data were filtered for outliers and one LW record was selected every 1, 7, 14, 21, 28, 35, 42, 49 and 56 days before the metabolome assessment (LWC1 to LWC56, respectively). Live weight change was then re-calculated for each interval between LW data selected. RESULTS: Associations between LWC calculations and the RA of metabolites were greatly affected by the interval of time between LW data selected. Thus, the number of significant associations decreased from 9 for LWC1 to 5 for LWC35 whereas no significant associations were found for LWC56 (P > 0.05). There were 7 metabolites negatively associated with LWC1 including leucine, 2-hydroxybutyrate, valine, creatinine, creatine, phenylalanine and methylhistidine; however, correlations were positive for 2 lipids. The strength of the correlation coefficients decreased as the length of the interval between LW measures increased although this reduction was greater for some metabolites such as leucine compared to others such as lipids. Our findings suggest that the time frame in which a particular response variable, such as LWC, is measured and metabolomic samples are taken could largely impact associations and thus conclusions drawn. CONCLUSIONS: Depending on the variable to be explored, rapid changes in cattle metabolome may not be reflected in correlations if they are not assessed close in time. Our findings suggest that LWC should be measured for a period shorter than 28 days before the metabolome assessment as the number of significant associations decreases when LWC is measured for longer periods.
Asunto(s)
Metaboloma , Metabolómica , Bovinos , Animales , Leucina , Fenilalanina , LípidosRESUMEN
Polycyclic aromatic hydrocarbons (PAHs) were assessed in sediments (n = 7) collected from the mouth of the Balsas River, Pacific Coast, Mexico. The total PAH levels ranged between 142.1 and 3944.07 µg kg-1 in the summer and 137.65-3967.38 µg kg-1 in the winter, probably reflecting the anthropogenic activities of the region. Calculation of the four analytical ratios of [Anthracene/(Anthracene + Phenanthrene)]: [Fluoranthene/(Fluoranthene + Pyrene)], [Fluoranthene/Pyrene: Fluoranthene/(Fluoranthene + Pyrene)], [Indeno [123-cd]Pyrene/(Indeno [123-cd]Pyrene + Benzo [ghi]Perylene)]: [Benzo [a]anthracene/(Benzo [a]Anthracene + Chrysene)], and [Anthracene/Phenanthrene]: [Fluoranthene/(Fluoranthene + Pyrene)] revealed a mixed PAH source, from petroleum and biomass combustion. Significant statistical correlations (r2 = 0.90) between the 4 and 5 ringed PAHs denote that adsorption is the principal mechanism for accumulation in sedimentary archives. Ecotoxicological indices (Mean Effect Range Medium Quotient and Mean Probable Effect Level Quotient) indicated moderate pollution with adverse biological impacts on ambient benthonic organisms. The calculations of Toxicity Equivalent Quotient and Mutagen Equivalent Quotient values proposed that the region is highly polluted by mutagenic and carcinogenic PAH compounds. The genotoxic evaluation of Lutjanus guttatus (Spotted rose snapper) presented significant DNA damage and discrepancies in Ethoxyresorufin-O-Deethylase activity. Based on the toxicological and genotoxicological evaluation of PAHs in sediments, the region was observed to be largely impacted from biological damage.