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1.
J. optom. (Internet) ; 17(3): [100510], jul.-sept2024. tab
Artigo em Inglês | IBECS | ID: ibc-231872

RESUMO

Purpose: To evaluate the association between visual symptoms and use of digital devices considering the presence of visual dysfunctions. Methods: An optometric examination was conducted in a clinical sample of 346 patients to diagnose any type of visual anomaly. Visual symptoms were collected using the validated SQVD questionnaire. A threshold of 6 hours per day was used to quantify the effects of digital device usage and patients were divided into two groups: under and above of 35 years old. A multivariate logistic regression was employed to investigate the association between digital device use and symptoms, with visual dysfunctions considered as a confounding variable. Crude and the adjusted odds ratio (OR) were calculated for each variable. Results: 57.02 % of the subjects reported visual symptoms, and 65.02% exhibited some form of visual dysfunction. For patients under 35 years old, an association was found between having visual symptoms and digital device use (OR = 2.10, p = 0.01). However, after adjusting for visual dysfunctions, this association disappeared (OR = 1.44, p = 0.27) and the association was instead between symptoms and refractive dysfunction (OR = 6.52, p < 0.001), accommodative (OR = 10.47, p < 0.001), binocular (OR = 6.68, p < 0.001) and accommodative plus binocular dysfunctions (OR = 46.84, p < 0.001). Among patients over 35 years old, no association was found between symptoms and the use of digital devices (OR = 1.27, p = 0.49) but there was an association between symptoms and refractive dysfunction (OR = 3.54, p = 0.001). Conclusions: Visual symptoms are not dependent on the duration of digital device use but rather on the presence of any type of visual dysfunction: refractive, accommodative and/or binocular one, which should be diagnosed.(AU)


Assuntos
Humanos , Masculino , Feminino , Visão Ocular , Testes Visuais , Campos Visuais , Pessoas com Deficiência Visual , Visão Binocular , Inquéritos e Questionários , Optometria
3.
BMC Nurs ; 23(1): 229, 2024 Apr 03.
Artigo em Inglês | MEDLINE | ID: mdl-38570845

RESUMO

BACKGROUND: People worldwide are concerned with the possibility of climate change, microplastics, air pollution, and extreme weather affecting human health. Countries are implementing measures to reduce environmental impacts. Nurses play a vital role, primarily through Green Teams, in the process of promoting sustainable practices and minimizing the environmental footprint of health care facilities. Despite existing knowledge on this topic, assessing nurses' environmental awareness and behavior, including the barriers they face, is crucial with regard to improving sustainable health care practices. AIM: To analyze the environmental awareness and behavior of nurses, especially nurse leaders, as members of the Green Team and to identify areas for improvement with regard to the creation of a sustainable environment. METHODS: A sequential mixed-method study was conducted to investigate Spanish nurses. The study utilized an online survey and interviews, including participant observation. An online survey was administered to collect quantitative data regarding environmental awareness and behavior. Qualitative interviews were conducted with environmental nurses in specific regions, with a focus on Andalusia, Spain. RESULTS: Most of the surveyed nurses (N = 314) exhibited moderate environmental awareness (70.4%), but their environmental behavior and activities in the workplace were limited (52.23% of participants rarely performed relevant actions, and 35.03% indicated that doing so was difficult). Nurses who exhibited higher levels of environmental awareness were more likely to engage in sustainable behaviors such as waste reduction, energy conservation, and environmentally conscious purchasing decisions (p < 0.05). Additionally, the adjusted model indicated that nurses' environmental behavior and activities in the workplace depend on the frequency of their environmental behaviors outside work as well as their sustainable knowledge (p < 0.01). The results of the qualitative study (N = 10) highlighted certain limitations in their daily practices related to environmental sustainability, including a lack of time, a lack of bins and the pandemic. Additionally, sustainable environmental behavior on the part of nursing leadership and the Green Team must be improved. CONCLUSIONS: This study revealed that most nurses have adequate knowledge, attitudes, and behaviors related to environmental sustainability both inside and outside the workplace. Limitations were associated with their knowledge and behaviors outside of work. This study also highlighted the barriers and difficulties that nurses face in their attempts to engage in adequate environmental behaviors in the workplace. Based on these findings, interventions led by nurses and the Green Team should be developed to promote sustainable behaviors among nurses and address the barriers and limitations identified in this research.

4.
Heliyon ; 10(8): e29319, 2024 Apr 30.
Artigo em Inglês | MEDLINE | ID: mdl-38628763

RESUMO

This article focuses on the health perceptions of people across social strata and nations using the combined dataset of the World Values Survey and the European Values Study (EVS/WVS). An intercategorical intersectional analysis model was developed to examine the social determinants underlying differences in health perceptions. Using logistic regression of the interactions between sex, age, level of educational attainment and income, we calculated the impact of these variables (main effects) and their interactions within the intersecting categories on health perceptions. The group with the best perception of their health includes men aged 16-49, with a high income and an upper-middle level of education. Comparative analysis has been carried out to identify differences in the influence of intersectional categories across countries. Of particular relevance is the number of Eastern European countries where the perception of people aged 50 and over with low income is very poor.

5.
Cancers (Basel) ; 16(7)2024 Mar 26.
Artigo em Inglês | MEDLINE | ID: mdl-38610963

RESUMO

Rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) and R-bendamustine (R-B) are the most common frontline treatment strategies for advanced-stage follicular lymphoma (FL). After R-CHOP induction therapy, using rituximab for maintenance therapy notably improves outcomes; however, whether this can be achieved by using the same approach after R-B therapy is still being determined. This retrospective analysis compared 476 FL patients from 17 GELTAMO centers who received R-based regimens followed by rituximab maintenance therapy for untreated advanced-stage FL. The complete response rate at the end of induction was higher with R-B and relapses were more frequent with R-CHOP. During induction, cytopenias were significantly more frequent with R-CHOP and so was the use of colony-stimulating factors. During maintenance therapy, R-B showed more neutropenia and infectious toxicity. After a median follow-up of 81 months (95% CI: 77-86), the 6-year rates of progression-free survival (PFS) were 79% (95% CI: 72-86) for R-bendamustine vs. 67% (95% CI: 61-73) for R-CHOP (p = 0.046), and 6-year overall survival (OS) values were 91% (95% CI: 86-96) for R-B vs. 91% (95% CI: 87-94) for R-CHOP (p = 0.49). In conclusion, R-B followed by rituximab maintenance therapy in patients with previously untreated FL resulted in significantly longer PFS than R-CHOP, with older patients also benefiting from this treatment without further toxicity. Adverse events during maintenance were more frequent with R-B without impacting mortality.

6.
Front Genet ; 15: 1352063, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38450199

RESUMO

Introduction: TULP1 exemplifies the remarkable clinical and genetic heterogeneity observed in inherited retinal dystrophies. Our research describes the clinical and molecular characteristics of a patient manifesting an atypical retinal dystrophy pattern, marked by the identification of both a previously unreported and a rarely encountered TULP1 variant. Methods: Whole-exome sequencing was performed to identify potential causative variants. The pathogenicity of the identified TULP1 variants was evaluated through in silico predictors and a minigene splice assay, specifically designed to assess the effect of the unreported TULP1 variant. Results: We identified two TULP1 gene variants in a patient exhibiting unusual and symmetrical alterations in both retinas, characterized by an increase in autofluorescence along the distribution of retinal vessels. These variants included a known rare missense variant, c.1376T>C, and a novel splice site variant, c.822G>T. For the latter variant (c.822G>T), we conducted a minigene splice assay that demonstrated the incorporation of a premature stop codon. This finding suggests a likely activation of the nonsense-mediated mRNA decay mechanism, ultimately resulting in the absence of protein production from this allele. Segregation analysis confirmed that these variants were in trans. Discussion: Our data support that individuals with biallelic TULP1 variants may present with a unique pattern of macular degeneration and periarteriolar vascular pigmentation. This study highlights the importance of further clinical and molecular characterization of TULP1 variants to elucidate genotype-phenotype correlations in the context of inherited retinal dystrophies.

7.
Transl Stroke Res ; 2024 Jan 17.
Artigo em Inglês | MEDLINE | ID: mdl-38231413

RESUMO

Advances in neonatology have significantly reduced mortality rates due to prematurity. However, complications of prematurity have barely changed in recent decades. Germinal matrix-intraventricular hemorrhage (GM-IVH) is one of the most severe complications of prematurity, and these children are prone to suffer short- and long-term sequelae, including cerebral palsy, cognitive and motor impairments, or neuropsychiatric disorders. Nevertheless, GM-IVH has no successful treatment. VP3.15 is a small, heterocyclic molecule of the 5-imino-1,2,4-thiadiazole family with a dual action as a phosphodiesterase 7 and glycogen synthase kinase-3ß (GSK-3ß) inhibitor. VP3.15 reduces neuroinflammation and neuronal loss in other neurodegenerative disorders and might ameliorate complications associated with GM-IVH. We administered VP3.15 to a mouse model of GM-IVH. VP3.15 reduces the presence of hemorrhages and microglia in the short (P14) and long (P110) term. It ameliorates brain atrophy and ventricle enlargement while limiting tau hyperphosphorylation and neuronal and myelin basic protein loss. VP3.15 also improves proliferation and neurogenesis as well as cognition after the insult. Interestingly, plasma gelsolin levels, a feasible biomarker of brain damage, improved after VP3.15 treatment. Altogether, our data support the beneficial effects of VP3.15 in GM-IVH by ameliorating brain neuroinflammatory, vascular and white matter damage, ultimately improving cognitive impairment associated with GM-IVH.

8.
EClinicalMedicine ; 67: 102398, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-38274115

RESUMO

Background: Post-COVID-19 condition has recently been defined as new or persistent common COVID-19 symptoms occurring three months after disease onset. The pathology of the disease is unclear, but immune and vascular factors seem to play a significant role. The incidence, severity, and implications of the disease after COVID-19 infection in pregnancy have not been established. We aimed to study the incidence and main risk factors for post-COVID-19 condition in an obstetric population and their implications for maternal and perinatal morbimortality. Methods: This is a prospective observational cohort study undertaken including women during pregnancy or at admission for labour with acute COVID-19 infection from March 9th, 2020 to June 11th, 2022. The inclusion criteria were confirmed acute COVID-19 infection during the recruitment period, a lack of significant language barrier and consent for follow-up. Patients were clinically followed-up by telephone via semi structured questionnaires. The exclusion criteria were loss to follow-up, spontaneous miscarriage, and legal termination of pregnancy. Patients were classified into groups according to the severity of symptoms at onset. We included patients from the first six first waves of the pandemic according to national epidemiological data in Spain. We studied the incidence of post-COVID-19 condition and their main demographic, clinical and obstetric risk factors. Findings: A total of 409 pregnant women were recruited at acute diagnosis, and 286 were followed-up. The mean time to follow-up was 92 weeks (standard deviation ± 28 weeks; median 100 weeks (Interquartile range: 76; 112)). A total of 140 patients had at least one post-COVID-19 symptom at least three months after acute infection. Neurological (60%) and cutaneous (55%) manifestations were the most frequent findings. The following profiles were identified as presenting a higher risk of post-COVID-19 condition: migrant women born in countries with lower Human Development Index; multiparous women; women with COVID-19 during pregnancy, mainly during the first and third trimesters, and in the first and second waves of the pandemic; women who had a higher number of symptoms; women who had a higher incidence of moderate and severe symptoms; women who required hospitalisation due to COVID-19 complications; and women who were not vaccinated before disease onset. We did not find any significant difference in perinatal results, such as gestational week at delivery, birthweight, the need for neonatal care or 5-min Apgar score, and newborns benefited from a high rate of breastfeeding at discharge. Women who were infected during successive waves of the pandemic had a significant and constant decrease in the risk of post-COVID-19 condition comparing to estimated risk in the first wave (OR: 0.70; 95% CI: 0.62, 0.92). Symptoms tended to resolve over time heterogeneously. Symptoms of myalgia and arthralgia took longer to resolve (mean of 60 weeks and 54 weeks, respectively). In a small but significant proportion of patients, neurological and psycho-emotional symptoms tended to become chronic after 90 weeks. Interpretation: At least 34.2% of obstetric patients from our cohort with acute COVID-19 infection presented post-COVID-19 condition symptoms. Demographic and acute disease characteristics as well as specific pregnancy-related risk factors were identified. This is the first study to assess post-COVID-19 condition in pregnant women. Further analysis on the biological pathophysiology of post-COVID-19 is needed to explain the characteristics of the disease. Funding: This study has been funded by Instituto de Salud Carlos III (ISCIII) through the project "PI21/01244" and co-funded by the European Union, as well as P2022/BMD-7321 (Comunidad de Madrid) and ProACapital, Halekulani S.L. and MJR.

9.
World J Biol Psychiatry ; 25(2): 116-129, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-37961844

RESUMO

OBJECTIVES: Schizophrenia is a psychiatric disorder affecting 1% of the population. Accumulating evidence indicates that neuroinflammation is involved in the pathology of these disorders by altering neurodevelopmental processes and specifically affecting glutamatergic signalling and astrocytic functioning. The aim of this study was to curate interactive biological pathways involved in schizophrenia for the identification of novel pharmacological targets implementing pathway, gene ontology, and network analysis. METHODS: Neuroinflammatory pathways were created using PathVisio and published in WikiPathways. A transcriptomics dataset, originally created by Narla et al. was selected for data visualisation and analysis. Transcriptomics data was visualised within pathways and networks, extended with transcription factors, pathways, and drugs. Network hubs were determined based on degrees of connectivity. RESULTS: Glutamatergic, immune, and astrocytic signalling as well as extracellular matrix reorganisation were altered in schizophrenia while we did not find an effect on the complement system. Pharmacological agents that target the glutamate receptor subunits, inflammatory mediators, and metabolic enzymes were identified. CONCLUSIONS: New neuroinflammatory pathways incorporating the extracellular matrix, glutamatergic neurons, and astrocytes in the aetiology of schizophrenia were established. Transcriptomics based network analysis provided novel targets, including extra-synaptic glutamate receptors, glutamate transporters and extracellular matrix molecules that can be evaluated for therapeutic strategies.


Assuntos
Esquizofrenia , Humanos , Esquizofrenia/tratamento farmacológico , Esquizofrenia/genética , Esquizofrenia/metabolismo , Doenças Neuroinflamatórias , Transdução de Sinais , Perfilação da Expressão Gênica , Fatores de Transcrição/genética
10.
Adicciones (Palma de Mallorca) ; 36(1): 21-30, 2024. tab, graf
Artigo em Inglês, Espanhol | IBECS | ID: ibc-231968

RESUMO

El daño cerebral relacionado con el consumo de alcohol se asocia a alteraciones de las funciones cognitivas, entre las que destacan memoria y aprendizaje verbal. El objetivo principal es evaluar memoria y aprendizaje verbal en una muestra de 111 pacientes con trastorno por consumo de alcohol (TCA) versus 78 con trastorno de depresión mayor (TDM) y 100 controles sanos. La evaluación incluyó variables sociodemográficas y clínicas, la Escala de Hamilton para la Depresión (HDRS) y el Test de Aprendizaje Verbal de California (CVLT). Se utilizó ANOVA de un factor para comparaciones entre los 3 grupos y ANCOVAS bidireccionales incluyendo diferentes covariables. El ANOVA de un factor muestra que los pacientes con TCA y TDM obtienen puntuaciones similares entre sí e inferiores a las del grupo control (p < 0,001), con excepción del CVLT Guiado (peores puntuaciones en TDM vs TCA, p < 0,001). Tras incluir como covariables la edad, sexo y los años de estudios completados, persisten las diferencias entre los grupos de TCA y TDM frente al grupo control (p ≤ 0,003) en todos los índices con excepción del CVLT Libre Inmediato y del CVLT Guiado (peor rendimiento en TDM vs TCA, p = 0,022 y p = 0,035, respectivamente). En el segundo ANCOVA, tras controlar por gravedad de la depresión, únicamente se detectan diferencias entre los pacientes con TCA y los controles sanos (p ≤ 0,007). Los pacientes con TCA presentan una importante alteración en aprendizaje y memoria verbal al compararlos con pacientes con TDM y con personas sanas. (AU)


Brain damage related to alcohol consumption is associated with impairments in cognitive functions, among which memory and verbal learning stand out. The main objective is to evaluate memory and verbal learning in a sample of 111 patients with alcohol use disorder (AUD) versus 78 with major depressive disorder (MDD) and 100 healthy controls. The evaluation included sociodemographic and clinical variables, the Hamilton Depression Scale (HDRS) and the California Verbal Learning Test (CVLT). One-way ANOVA was used for comparisons between the 3 groups and two-way ANCOVAS including different covariates. The one-way ANOVA shows that patients with AUD and MDD had scores similar to each other and lower than those of the control group (p <0.001), with the exception of the Cued CVLT (worse scores in MDD vs AUD, p <0.001). After including age, sex and years of completed studies as covariates, the differences between the AUD and MDD groups persisted compared to the control group (p ≤ 0.003) in all indices except for the Immediate Free CVLT and the Cued CVLT (worse performance in MDD vs AUD, p = 0.022 and p = 0.035, respectively). In the second ANCOVA, after controlling for depression severity, differences were only detected between AUD patients and healthy controls (p ≤ 0.007). Patients with AUD present a significant impairment in learning and verbal memory when compared with patients with MDD and with healthy people. (AU)


Assuntos
Humanos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Aprendizagem Verbal , Testes de Memória e Aprendizagem , Memória , Alcoolismo , Transtorno Depressivo Maior
11.
J. optom. (Internet) ; 16(4): 305-314, October - December 2023. tab, graf
Artigo em Inglês | IBECS | ID: ibc-225620

RESUMO

PurposeTo analyse the scientific evidence about the efficacy of Syntonic phototherapy for producing changes in visual function.Material and methodsA systematic review was performed to obtain studies on the effects of Syntonic phototherapy on vision. A search in health science databases (Medline, Scopus, Web of Science and PsycINFO) for studies published between 1980 and 2022 was conducted in accordance with the principles of Cochrane approach. The search identified 197 articles. Only clinical studies which used the Syntonic phototherapy as a vision therapy for any visual condition were included. Clinical cases and case series were excluded. Following the inclusion criteria, 8 clinical studies met inclusion, 5 of them being pseudo-experimental studies with an equivalent control group and 3 pre-post pseudo-experimental studies. GRADE tool was used to assess the certainty of the evidence of the studies. The GRADE evidence profile for the studies through the Soft table was made to analyse data.ResultsThe studies analysed seven outcomes: visual symptoms, functional visual fields, visual acuity, contrast sensitivity, deviation (phoria/tropia), stereopsis and reading abilities. Finding table about results (Soft Table) showed that for all outcomes reviewed, all studies yielded very low certainty of evidence. Results revealed a lack of scientific evidence of the efficacy of Syntonic optometric phototherapy to produce changes in the visual function.ConclusionThis systematic review found no consistent evidence for the efficacy of Syntonic phototherapy to cause changes in visual function. There is no scientific evidence to support its clinical use for treating any type of visual anomalies. (AU)


Assuntos
Humanos , Anormalidades do Olho , Fototerapia , Medicina Baseada em Evidências
12.
J Pers Med ; 13(12)2023 Nov 28.
Artigo em Inglês | MEDLINE | ID: mdl-38138894

RESUMO

Acute myeloid leukemia has a poor prognosis in older adults, and its management is often unclear due to its underrepresentation in clinical trials. Both overall survival (OS) and health-related quality-of-life (HRQoL) are key outcomes in this population, and patient-reported outcomes may contribute to patient stratification and treatment assignment. This prospective study included 138 consecutive patients treated in daily practice with the currently available non-targeted therapies (intensive chemotherapy [IC], attenuated chemotherapy [AC], hypomethylating agents [HMA], or palliative care [PC]). We evaluated patients' condition at diagnosis (Life expectancy [Lee Index for Older Adults], Geriatric Assessment in Hematology [GAH scale], HRQoL [EQ-5D-5L questionnaire], and fatigue [fatigue items of the QLQ-C30 scale]), OS, early death (ED), treatment tolerability (TT) and change in HRQoL over 12 months follow-up. The median OS was 7.1 months (IC not reached, AC 5.9, HMA 8.8, and PC 1.0). Poor risk AML category and receiving just palliative care, as well as a higher Lee index score in the patients receiving active therapy, independently predicted a shorter OS. The Lee Index and GAH scale were not useful for predicting TT. The white blood cell count was a valid predictor for ED. Patients' HRQoL remained stable during follow-up.

13.
J Optom ; 17(3): 100510, 2023 Dec 21.
Artigo em Inglês | MEDLINE | ID: mdl-38134467

RESUMO

PURPOSE: To evaluate the association between visual symptoms and use of digital devices considering the presence of visual dysfunctions. METHODS: An optometric examination was conducted in a clinical sample of 346 patients to diagnose any type of visual anomaly. Visual symptoms were collected using the validated SQVD questionnaire. A threshold of 6 hours per day was used to quantify the effects of digital device usage and patients were divided into two groups: under and above of 35 years old. A multivariate logistic regression was employed to investigate the association between digital device use and symptoms, with visual dysfunctions considered as a confounding variable. Crude and the adjusted odds ratio (OR) were calculated for each variable. RESULTS: 57.02 % of the subjects reported visual symptoms, and 65.02% exhibited some form of visual dysfunction. For patients under 35 years old, an association was found between having visual symptoms and digital device use (OR = 2.10, p = 0.01). However, after adjusting for visual dysfunctions, this association disappeared (OR = 1.44, p = 0.27) and the association was instead between symptoms and refractive dysfunction (OR = 6.52, p < 0.001), accommodative (OR = 10.47, p < 0.001), binocular (OR = 6.68, p < 0.001) and accommodative plus binocular dysfunctions (OR = 46.84, p < 0.001). Among patients over 35 years old, no association was found between symptoms and the use of digital devices (OR = 1.27, p = 0.49) but there was an association between symptoms and refractive dysfunction (OR = 3.54, p = 0.001). CONCLUSIONS: Visual symptoms are not dependent on the duration of digital device use but rather on the presence of any type of visual dysfunction: refractive, accommodative and/or binocular one, which should be diagnosed.

14.
Photodiagnosis Photodyn Ther ; 44: 103820, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-37788795

RESUMO

INTRODUCTION: Non-melanoma skin cancer within previously irradiated areas presents a common challenge, requiring innovative therapies. Complex scenarios, like XRT-induced basal cell carcinoma (BCC) or Gorlin's syndrome, often involve multiple synchronous tumor lesions where photodynamic therapy (PDT) offers a viable therapeutic alternative. CLINICAL CASE: We present the case of a 49-year-old male with a history of XRT for brain tumors. The patient was undergoing treatment for recurrent basal cell carcinomas (BCCs) in the right temporal irradiated area, unresponsive to conventional treatments. In the latest evaluation, the patient presented a nodular tumor and several peripheral superficial foci. Photodynamic therapy (PDT) was administered using methyl aminolevulinate 160 mg/g in cream (Metvix®) in two sessions spaced 7 days apart before surgery. The photosensitizer was applied 3 h before initiating PDT, and red light exposure was performed with the Aktilite© lamp (wavelength 630 nm, 100 mm distance, voltage 100 to 240 V, frequency 50 Hz, power 180 W) for 7 min. CONCLUSIóN: PDT with methyl aminolevulinate demonstrated efficacy as a neoadjuvant treatment in a case of multiple XRT-induced BCCs before surgery. PDT emerges as a valuable therapeutic alternative for multiple BCCs, particularly in non-responsive cases.


Assuntos
Síndrome do Nevo Basocelular , Carcinoma Basocelular , Fotoquimioterapia , Neoplasias Cutâneas , Masculino , Humanos , Pessoa de Meia-Idade , Fármacos Fotossensibilizantes/uso terapêutico , Terapia Neoadjuvante , Neoplasias Cutâneas/patologia , Fotoquimioterapia/métodos , Carcinoma Basocelular/tratamento farmacológico , Carcinoma Basocelular/radioterapia , Carcinoma Basocelular/patologia , Ácido Aminolevulínico/uso terapêutico , Síndrome do Nevo Basocelular/tratamento farmacológico , Resultado do Tratamento
15.
Microbiol Spectr ; 11(6): e0429822, 2023 Dec 12.
Artigo em Inglês | MEDLINE | ID: mdl-37882584

RESUMO

IMPORTANCE: The emergence of multi-drug resistant bacteria is a global health problem. Among them, Klebsiella pneumoniae is considered a high-priority pathogen, making it necessary to develop new therapeutic tools to reduce the bacterial burden in an effective and sustainable manner. Phages, bacterial viruses, are very promising tools. However, phages are highy specific, rendering large-scale therapeutics costly to implement. This is especially certain in Klebsiella, a capsular bacterium in which phages have been shown to be capsular type dependent, infecting one or a few capsular types through specific enzymes called depolymerases. In this study, we have isolated and characterized novel phages with lytic ability against bacteria from a wide variety of capsular types, representing the Klebsiella phages with the widest range of infection described. Remarkably, these broad-range phages showed capsule dependency, despite the absence of depolymerases in their genomes, implying that infectivity could be governed by alternative mechanisms yet to be uncovered.


Assuntos
Bacteriófagos , Infecções por Klebsiella , Humanos , Klebsiella , Klebsiella pneumoniae , Infecções por Klebsiella/microbiologia
16.
Rev. medica electron ; 45(5)oct. 2023.
Artigo em Espanhol | LILACS-Express | LILACS | ID: biblio-1522067

RESUMO

Introducción: El proceso de formación de alumnos ayudantes exige nuevas concepciones teóricas y metodológicas, que permitan el desarrollo integral de los futuros profesionales de la salud. Esto mediante acciones específicas que influyan educativamente en la ejecución de los planes y programas de la carrera de Medicina, desde una proyección científica y pedagógica. Objetivo: Diseñar un curso electivo para la formación pedagógica de los alumnos ayudantes en la carrera de Medicina de la Filial Universitaria de Ciencias Médicas, del municipio Cárdenas. Materiales y métodos: La investigación se sustenta desde la concepción dialéctico materialista. Los métodos teóricos fueron: histórico-lógico, análisis documental, sistematización, sistémico estructural funcional y modelación. Entre los métodos empíricos se emplearon: revisión de documentos, encuestas a alumnos ayudantes y tutores. También se realizó observación al desempeño de los alumnos ayudantes. La población fue conformada por 103 alumnos ayudantes y 38 tutores. Resultados: Las insuficientes acciones pedagógicas para la formación de alumnos ayudantes, se constatan como problema en los tres indicadores de la dimensión cognitiva y en dos de los indicadores de las dimensiones procedimental y actitudinal. En el diseño del programa del curso electivo se abordan los temas a desarrollar, para potenciar la formación pedagógica en los alumnos ayudantes. Conclusiones: Se presenta un curso electivo para la formación pedagógica de alumnos ayudantes en la carrera de Medicina.


Introduction: The process of training assistant students requires new theoretical and methodological concepts that allow the comprehensive development of future health professionals. This by means of specific actions that educationally influence the execution of plans and programs of medicine studies, from a scientific and pedagogical projection. Objective: To design an elective course for the pedagogical training of assistant students in the medicine undergraduate studies of University Campus of Medical Sciences, in the municipality of Cardenas. Materials and methods: The research is based on the dialectical materialist conception. The theoretical methods were: historical-logical, documentary analysis, systematization, systemic structural functional and modeling. Among empirical methods used were: documentary review, surveys of the assistant students and tutors. Observation of the performance of assistant students was also carried out. The population consisted of 103 assistant students and 38 tutors. Results: Insufficient pedagogical actions for the training of assistant students are found as problems in the three indicators of the cognitive dimension and in two of the indicators of the procedural and attitudinal dimensions. In the design of the program of the elective course, the topics to be developed to enhance the pedagogical training of the assistant students are addressed. Conclusions: An elective course for the pedagogical training of assistant students in the Medicine undergraduate studies is presented.

17.
Alzheimers Dement (Amst) ; 15(3): e12459, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37675435

RESUMO

Introduction: There is an urgent need for biomarkers identifying individuals at risk of early-stage cognitive impairment. Using cross-sectional data from The Maastricht Study, this study included 197 individuals with mild cognitive impairment (MCI) and 200 cognitively unimpaired individuals aged 40 to 75, matched by age, sex, and educational level. Methods: We assessed the association of plasma sphingolipid and ceramide transfer protein (CERT) levels with MCI and adjusted for potentially confounding risk factors. Furthermore, the relationship of plasma sphingolipids and CERTs with magnetic resonance imaging brain volumes was assessed and age- and sex-stratified analyses were performed. Results: Associations of plasma ceramide species C18:0 and C24:1 and combined plasma ceramide chain lengths (ceramide risk score) with MCI were moderated by sex, but not by age, and higher levels were associated with MCI in men. No associations were found among women. In addition, higher levels of ceramide C20:0, C22:0, and C24:1, but not the ceramide risk score, were associated with larger volume of the hippocampus after controlling for covariates, independent of MCI. Although higher plasma ceramide C18:0 was related to higher plasma CERT levels, no association of CERT levels was found with MCI or brain volumes. Discussion: Our results warrant further analysis of plasma ceramides as potential markers for MCI in middle-aged men. In contrast to previous studies, no associations of plasma sphingolipids with MCI or brain volumes were found in women, independent of age. These results highlight the importance of accounting for sex- and age-related factors when examining sphingolipid and CERT metabolism related to cognitive function.

18.
Pract Lab Med ; 36: e00320, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-37649545

RESUMO

The definition of Insulin autoimmune syndrome includes the presence of high levels of blood insulin and insulin autoantibodies. We encountered a 45-years-old white man with a high insulin serum value that do not fit with the C-peptide result. To discard or to confirm an analytical interference and diagnose a possible Insulin Autoimmune Syndrome we performed the following investigations: dilution linearity test, heterophilic antibody blocking, polyethylene glycol precipitation, measurements with alternative assays, and gel filtration chromatography by size exclusion. The latter technique confirmed that most of the insulin was complexed with a 150-kDa protein, corresponding to immunoglobulin G, identified as insulin autoantibodies. These antibodies were responsible for hypoglycemia attacks in the patient, who had a previous autoimmune disease. This case highlights the importance of carefully analyzing the results and ruling out possible interferences, as well as considering all kinds of pathologies, even if they are infrequent.

19.
Int J Dermatol ; 62(10): 1300-1303, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-37548251

RESUMO

BACKGROUND: Hidradenitis suppurativa (HS) is a chronic inflammatory disease that negatively impacts the quality of life of patients. It presents as deep-seated nodules, abscesses, fistulae, sinus tracts, and scars in the axilla, inguinal area, submammary folds, and perianal area. Recently, two phenotypes have been described: a follicular phenotype and an inflammatory phenotype. Numerous medical treatments are available for hidradenitis suppurativa, with particular importance of antitumor necrosis factor antibodies. Due to the association of HS with other conditions with a pro-inflammatory state, particularly Crohn's disease, it has been suggested that azathioprine may have a role in the treatment of HS. OBJECTIVE: To assess the effectiveness of azathioprine monotherapy in patients with moderate-severe HS. METHODS: We retrospectively studied patients with HS treated with azathioprine in monotherapy. We performed both clinical and ultrasound evaluation at baseline as well as in the follow-up visits. Their baseline score on the iHS4 and DLQI scales and 12-16 weeks after starting the treatment were compared. We also registered the number of patients who achieved HiSCR. RESULTS: Six patients presented significant improvement, reducing their score in iHS4 and DLQI scales and achieving HiSCR. Another patient had clinical improvement, meaning reduction in iHS4 and DLQI, but without achieving HiSCR. Two patients stopped the treatment before week 12 because of adverse events. The remaining two patients presented no improvement. The median (Q3-Q1) baseline iHS4 score was 6 (12-6), and follow-up iHS4 score, 4 (6-2), being these differences statistically significant (P = 0.006). Median (Q3-Q1) baseline DLQI scores and 12-16 weeks after treatment were 17 (23-11) and 14 (18-9) although statistically nonsignificant (P = 0.099). CONCLUSION: We present a case series of 11 patients treated with azathioprine with good clinical and ultrasonographic response. We suggest that azathioprine may benefit a certain patient profile with the inflammatory phenotype.


Assuntos
Hidradenite Supurativa , Humanos , Hidradenite Supurativa/complicações , Hidradenite Supurativa/tratamento farmacológico , Azatioprina/uso terapêutico , Estudos Retrospectivos , Qualidade de Vida , Inflamação/complicações , Índice de Gravidade de Doença , Resultado do Tratamento
20.
Pediatr Obes ; 18(10): e13069, 2023 10.
Artigo em Inglês | MEDLINE | ID: mdl-37555560

RESUMO

BACKGROUND AND OBJECTIVES: Research on the relationship between body mass index (BMI) and strain values in children and adolescents is limited. Our aim was to analyse the relationship between BMI and strain values of both ventricles and left atrium in children and adolescents. METHODS: Both ventricles and left atrial strain values were compared among different BMI categories in children and adolescents from a town in the South of Spain. RESULTS: Of the 198 subjects, aged 6-17 years, 53% were of normal weight, 26% were overweight and 21% had obesity. Lower absolute values of left ventricular global longitudinal strain (25.9 ± 2.0% vs. 26.9 ± 2.2%, p = 0.002) and right ventricular free wall longitudinal strain (29.5 ± 4.2% vs. 30.8 ± 4.5%, p = 0.04) were found in subjects with obesity and overweight versus subjects with normal weight. A lower right ventricular four-chamber longitudinal strain was also observed in males with obesity and overweight (24.8 ± 3.3% vs. 26.4 ± 3.6%, p = 0.03). Statistically significant negative correlations of BMI were found for all ventricular, but not atrial, strain values in univariate analysis. This association turned non-significant for right ventricular four-chamber longitudinal strain in multivariate analysis. CONCLUSIONS: Utilizing this new strain software, children and adolescents with high BMI were associated with significantly lower values for left and right ventricular free wall longitudinal strain, without impact in left atrial strain.


Assuntos
Sobrepeso , População Rural , Masculino , Humanos , Criança , Adolescente , Sobrepeso/complicações , Obesidade/complicações , Índice de Massa Corporal , Átrios do Coração
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