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1.
Artigo em Inglês | MEDLINE | ID: mdl-38967444

RESUMO

Cavernous angioma is a sinusoidal dilatation covered by a single layer of endothelium, separated by a collagen matrix with elastin and smooth muscle.1 The prevalence in the general population is estimated at 0.4% to 0.9%,2 representing around 5% to 10% of all vascular malformations.3 Studies indicate 9% to 35% of cavernomas are found in deep locations such as the brainstem, thalamus, and basal ganglia.4-6 Common symptoms of these deep lesions are cranial nerve deficit, hemiparesis, and paresthesia. These lesions have high rates of rebleeding after the first episode of bleeding but present excellent results of surgical resection and modified Rankin in the long term.7-13 Internal capsule cavernomas are particularly challenging due to the important projection fibers surround them. Although the gold standard of treatment is microsurgery, there needs to be a consensus on the best approach for lesions of this topography. We present a video case of a female in her 50s with right hemiparesis and dysphasia, exhibiting grade 3/5 strength on the right side. T1 MRI revealed a high intensity, heterogeneous, multinodular signal in the left basal ganglia, with tractography showing the lesion dividing the posterior limb of the internal capsule amid fibers of the right corticospinal tract. The patient consented to the procedure and to the publication of his/her image. This study was approved by the Ethics and Research Committee of our institution. We demonstrated that the superior frontal sulcus is a safe corridor to surgically cure cavernomas of the internal capsule, with the recovery of previous deficits.

2.
J. nurs. health ; 14(2): 1425789, jun. 2024.
Artigo em Português | LILACS, BDENF - Enfermagem | ID: biblio-1560702

RESUMO

Objetivo:analisar a percepção de profissionais de enfermagem sobre a comunicação entre equipes na transferência de cuidados de pacientes para a realização de exames de imagem. Método:pesquisa exploratório-descritiva, qualitativa, realizada com 43 profissionais de enfermagem de um complexo hospitalar de Porto Alegre, entre junho e agosto de 2021. Os dados foram coletados por entrevista semiestruturada e utilizou-se Análise de Conteúdo de Minayo. Resultados:emergiram três temas: como ocorre o processo de comunicação para a transferência do paciente internado ao setor de exames; as potencialidades e fragilidades deste processo e ferramentas para qualificar a comunicação. O enfermeiro atua como articulador da comunicação, que ora ocorre utilizando ferramentase com etapas verbais/telefônicas. O sistema de notas de transferência, a dupla checagem e o readbackpossuem falhas, por não serem oficializados nem específicos. Conclusões:os profissionais consideram a comunicação verbal como a maior fragilidade e sugerem ferramentas formais para torná-la efetiva.


Objective:to analyze the perception of nursing professionals regarding communication between teams in the transfer of patient care for imaging examinations. Method:exploratory-descriptive research, qualitative, conducted with 43 nursing professionals from a hospital complex in Porto Alegre, between June and August 2021. Data were collected through semi-structured interviews and analyzed using Minayo's Content Analysis. Results: three themes emerged: how the communication process occurs for the transfer of the hospitalized patient to the examination department; the strengths and weaknesses of this process; and tools to enhance communication. The nurse acts as a communication facilitator, sometimes using tools and verbal/phone methods. The transfer note system, double-checking, and read-back have flaws because they are not formalized nor specific. Conclusions: professionals consider verbal communication the major weakness and suggest formal tools to make it more effective


Objetivo: analizar la percepción de profesionales de enfermería sobre la comunicación entre equipos al momento de transferir la atención al paciente para la realización de exámenes de imagen.Método: investigación realizada con 43 profesionales de enfermería de un complejo hospitalario de Porto Alegre, entre junio y agosto de 2021. Entrevistas semiestructuradas ocurrieron y se utilizó el análisis de contenido. Resultados: surgieron tres temas: cómo ocurre el proceso de comunicación para la transferencia delpaciente hospitalizado al departamento de exámenes; las potencialidades y debilidades de este proceso y las herramientas para cualificar la comunicación. El enfermero actúa como articulador de la comunicación, que en ocasiones ocurre mediante herramientasy pasos verbales/telefónicos. El sistema de notas de transferencia, la doble verificación y la relectura tienen fallas, pues no son oficiales ni específicos. Conclusiones: los profesionales consideran la comunicación verbal como la mayor debilidad y sugieren herramientas formales para hacerla efectiva.


Assuntos
Comunicação em Saúde , Diagnóstico por Imagem , Enfermagem , Segurança do Paciente , Cuidado Transicional
3.
Support Care Cancer ; 32(7): 462, 2024 Jun 26.
Artigo em Inglês | MEDLINE | ID: mdl-38922487

RESUMO

PURPOSE: To estimate the prevalence of peripherally inserted central catheter (PICC)-related venous thrombosis in patients with hematological malignancies. METHODS: A systematic review of observational studies that evaluated the occurrence of PICC-related venous thrombosis in children, adults, and older people with hematological malignancies was conducted. Searches were carried out on June 12th, 2023 on PubMed, CINAHL, Embase, Web of Science Core Collection, Scopus, and LILACS, and to gray literature on Google Scholar, and ProQuest Dissertations and Theses Global. Eligibility criteria were applied independently by two reviewers, first on the titles and abstracts on the Rayyan platform and then on the full text of eligible studies. Risk of bias was assessed by the JBI checklist. Data were summarized descriptively, and the meta-analysis was carried out using the MetaXL 5.3 software. The review followed JBI guidelines and PRISMA for reporting. RESULTS: In the 40 studies included, prevalence of PICC-related venous thrombosis was 9% in general, 9% in adults, and 6% in children with hematological malignancies. Most studies only evaluated cases of symptomatic thrombosis (n = 25; 64%). CONCLUSION: Patients with hematological malignancies using PICC have an estimated prevalence of PICC-related venous thrombosis of 9%, and this rate may be underestimated due to the consideration of mostly symptomatic cases.


Assuntos
Cateterismo Periférico , Neoplasias Hematológicas , Trombose Venosa , Humanos , Neoplasias Hematológicas/complicações , Prevalência , Cateterismo Periférico/efeitos adversos , Trombose Venosa/epidemiologia , Trombose Venosa/etiologia , Criança , Adulto , Cateterismo Venoso Central/efeitos adversos
4.
PLOS Digit Health ; 3(6): e0000412, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38848374

RESUMO

The global opioid poisoning crisis is a complex issue with far-reaching public health implications. Opioid Poisoning Education and Naloxone Distribution (OPEND) programs aim to reduce stigma and promote harm reduction strategies, enhancing participants' ability to apply life-saving interventions, including naloxone administration and cardiopulmonary resuscitation (CPR) to opioid poisoning. While virtual OPEND programs have shown promise in improving knowledge about opioid poisoning response, their implementation and evaluation have been limited. The COVID-19 pandemic has sparked renewed interest in virtual health services, including OPEND programs. Our study reviews the literature on fully virtual OPEND programs worldwide. We analyzed 7,722 articles, 30 of which met our inclusion criteria. We extracted and synthesized information about the interventions' type, content, duration, the scales used, and key findings. Our search shows a diversity of interventions being implemented, with different study designs, duration, outcomes, scales, and different time points for measurement, all of which hinder a meaningful analysis of interventions' effectiveness. Despite this, virtual OPEND programs appear effective in increasing knowledge, confidence, and preparedness to respond to opioid poisoning while improving stigma regarding people who use opioids. This effect appears to be true in a wide variety of populations but is significantly relevant when focused on laypersons. Despite increasing efforts, access remains an issue, with most interventions addressing White people in urban areas. Our findings offer valuable insights for the design, implementation, and evaluation of future virtual OPEND programs.

5.
Neurol Sci ; 2024 Jun 17.
Artigo em Inglês | MEDLINE | ID: mdl-38880854

RESUMO

Hemodynamic management, specifically blood pressure, is essential to reduce mortality and preserve functional capacity. However, the literature is uncertain about the best blood pressure target to be adopted after performing mechanical thrombectomy in patients with acute ischemic stroke. Randomized clinical trials that compared blood pressure goals after mechanical thrombectomy were searched in the following databases: MEDLINE/PubMed, Embase, Scopus, Biomedcentral, and Cochrane Library. The last search was on September 19, 2023. The results obtained were used to construct network meta-analyses. A total of 1556 participants were enrolled from 4 randomized controlled trials (OPTIMAL-BP, ENCHANTED2/MT, BP-TARGET, BEST-II). The last article was not included in the network meta-analysis because it did not have common blood pressure targets. The outcomes compared were: mRS (modified Rankin scale), eTICI/mTICI scale scores, symptomatic and any intracerebral hemorrhage, post-intervention NIHSS, and post-intervention infarct volume. The outcomes using the mRS scale showed that better outcomes were reached with less intensive blood pressure targets when comparing < 120 mmHg vs. ≤ 180 mmHg, OR: 0.71 (95% CI 0.54 - 0.94), in the outcome of mRS 0-1. And for the mRS 0-2 outcome with comparisons < 120 mmHg vs. ≤ 180 mmHg, with OR: 0.59 (95% CI 0.44 - 0.77) and < 140 mmHg vs. ≤ 180 mmHg, with OR: 0.61 (95% CI 0.41 - 0.89). In patients with large vessel occlusion treated with mechanical thrombectomy and who achieved good reperfusion, intensive blood pressure lowering is not effective and might be harmful respect to non intensive blood pressure control in recanalized patients.

6.
Braz Oral Res ; 38: e033, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38747820

RESUMO

The aim of this study was to investigate the correlation between depressive symptoms and the occurrence of oral mucositis in children with oncological diseases treated at a reference hospital. This was a cross-sectional study conducted with individuals aged 4 to 18 years, diagnosed with primary neoplasms. Data was collected by using a questionnaire that assessed the degree of oral mucositis according to the World Health Organization index, the risk of oral mucositis according to the Child's International Mucositis Evaluation Scale, and depressive symptoms using the Children's Depression Inventory. The data were analyzed and subjected to Spearman's correlation, chi-square test, and Fisher's exact test, considering p<0.05. A statistically significant correlation was observed between depressive symptoms and the degree of oral mucositis (p = 0.044), and also between the "pain" variable within the risk of oral mucositis and depressive symptoms (p = 0.021). Based on the findings, it can be inferred that oral mucositis may be associated with the development of depressive symptoms and may be influenced by the individual's hospitalization, thereby affecting the quality of life of pediatric patients.


Assuntos
Depressão , Neoplasias , Qualidade de Vida , Estomatite , Humanos , Estomatite/psicologia , Estomatite/etiologia , Criança , Estudos Transversais , Masculino , Feminino , Adolescente , Pré-Escolar , Depressão/psicologia , Neoplasias/complicações , Neoplasias/psicologia , Índice de Gravidade de Doença , Inquéritos e Questionários , Estatísticas não Paramétricas , Fatores de Risco
7.
Animals (Basel) ; 14(10)2024 May 13.
Artigo em Inglês | MEDLINE | ID: mdl-38791664

RESUMO

This study aimed to investigate the effect of age and genetics on the fecal microbiota of beef calves. Ten purebred Nellore (Bos taurus indicus) and ten crossbreed 50% Nellore-50% European breed (Bos taurus taurus) calves co-habiting on the same pasture paddock had fecal samples collected on days five (5 d), 14 d, 28 d, 60 d, 90 d, 180 d, 245 d (weaning) and 260 d after birth. All calves were kept with their mothers, and six Nellore dams were also sampled at weaning. Microbiota analysis was carried out by amplification of the V4 region of the 16S rRNA gene following high-throughput sequencing with a MiSeq Illumina platform. Results revealed that bacterial richness increased with age and became more similar to adults near weaning. Differences in microbiota membership between breeds were found at 60 d and 90 d and for structure at 60 d, 90 d, 245 d, and 260 d (p < 0.05). In addition, crossbreed calves presented less variability in their microbiota. In conclusion, the genetic composition significantly impacted the distal gut microbiota of calves co-habiting in the same environment, and further studies investigating food intake can reveal possible associations between microbiota composition and performance.

8.
Int J Phytoremediation ; : 1-15, 2024 May 17.
Artigo em Inglês | MEDLINE | ID: mdl-38757757

RESUMO

In this study, artificial neural network (ANN) tools were employed to forecast the adsorption capacity of Malachite green (MG) by baru fruit endocarp waste (B@FE) under diverse conditions, including pH, adsorbent dosage, initial dye concentration, contact time, and temperature. Enhanced adsorption efficiency was notably observed under alkaline pH conditions (pH 10). Kinetic analysis indicated that the adsorption process closely followed a pseudo-second-order model, while equilibrium studies revealed the Langmuir isotherm as the most suitable model, estimating a maximum adsorption capacity of 57.85 mg g-1. Furthermore, the chemical adsorption of MG by B@FE was confirmed using the Dubinin-Radushkevich isotherm. Thermodynamic analysis suggested that the adsorption is spontaneous and endothermic. Various ANN architectures were explored, employing different activation functions such as identity, logistic, tanh, and exponential. Based on evaluation metrics like the coefficient of determination (R2) and root mean square error (RMSE), the optimal network configuration was identified as a 5-11-1 architecture, consisting of five input neurons, eleven hidden neurons, and one output neuron. Notably, the logistic activation function was applied in both the hidden and output layers for this configuration. This study highlights the efficacy of B@FE as an efficient adsorbent for MG removal from aqueous solutions and demonstrates the potential of ANN models in predicting adsorption behavior across varying environmental conditions, emphasizing their utility in this field.


The innovative aspect of this study lies in the utilization of a new and effective adsorbent for the removal of Malachite Green (MG), derived from the fruit endocarp of baru (Dipteryx alata Vog.). The baru fruit endocarp, typically discarded as solid waste during processing, was found to possess favorable characteristics for adsorption processes and provides an adsorption capacity that exceeds that of most other similar adsorbents. Additionally, integrating Artificial Neural Networks (ANNs) enables accurate modeling of the adsorption process, eliminating the need for extensive laboratory experiments. This contributes significantly to wastewater treatment research, enhancing effectiveness and sustainability in unwanted dye removal.

9.
Vet Parasitol ; 328: 110191, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38723410

RESUMO

Small ruminants (sheep and goats) constantly suffer from endoparasitoses caused by gastrointestinal nematodes. Among these, the species Haemonchus contortus (Rudolphi, 1803) is considered to be the one of greatest importance within sheep farming. This nematode is difficult to control due to its resistance to most commercial anthelmintics. The aim of the present study was to assess the potential of macrochelid mites as macrobiological agents for controlling endoparasitoses of sheep caused by the nematode, H. contortus. For this, novel in vitro methodology was used, in which assessments were made not only of the predatory ability but also the population growth of mite species (Macrocheles merdarius, Macrocheles robustulus and Holostaspella bifoliata) when offered larvae of the nematode, H. contortus. The predatory ability of the mites, M. merdarius and H. bifoliata were efficient regarding their predatory ability against H. contortus nematode larvae. The mite, M. merdarius exhibited the highest predation rate with mean distribution values for the treated group of 18656 ± 10091 and for the control group of 1178 ± 712 (P < 0.0001). The species, H. bifoliata presented the highest population growth rate, with a percentage acarid recovery rate of 263% in relation to the number added initially. The data from this in vitro predation experiment suggest that, M. merdarius and H. bifoliata showed promise as macrobiological agents for controlling gastrointestinal endoparasitoses of sheep caused by the nematode, H. contortus given that both species reduced the population of this helminth by more 70% and the number of mites recovered was three times greater than the number added.


Assuntos
Hemoncose , Ácaros , Controle Biológico de Vetores , Doenças dos Ovinos , Haemonchus , Hemoncose/prevenção & controle , Ácaros/fisiologia , Larva , Comportamento Predatório , Controle Biológico de Vetores/normas , Crescimento Demográfico , Feminino , Animais , Ovinos , Doenças dos Ovinos/parasitologia , Doenças dos Ovinos/prevenção & controle , Fezes/parasitologia , Especificidade da Espécie , Técnicas In Vitro
10.
Matern Child Nutr ; 20(3): e13652, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38606492

RESUMO

Pasteurised donor human milk is recommended for very low birthweight infants who do not have access to their mother's milk. Although the use of donor milk continues to increase, little is known about the donation experiences of milk bank donors. We aimed to describe and compare enablers, barriers and patterns of human milk donation and identify factors predicting donation volume in a convenience sample of approved milk bank donors in the United Kingdom and the United States. A cross-sectional online survey was conducted from August 2022 to December 2022. Approved milk bank donors (n = 556) from three milk banks in the United States (n = 369, Mothers' Milk Bank of Florida, Mother's Milk Bank of North Texas and Northwest Mothers Milk Bank) and one milk bank in the United Kingdom (n = 187, Hearts Milk Bank) completed the survey. A substantial portion of donors in both settings reported participating in other forms of milk exchange (51% of U.S. donors vs. 39% of UK donors, p = 0.009). Top donation barriers reported in both settings were completing the serological screening and having enough space to store collected milk. Most donors started donating when their infant was 3 months old or older and reported donating mature milk. The most common source of information related to milk banking in each setting was the internet (United Kingdom-70% vs. United States - 63%, p = 0.112). Variables that predicted lifetime donation volume differed between the United States and the United Kingdom, highlighting the importance of setting-specific milk banking research.


Assuntos
Bancos de Leite Humano , Leite Humano , Doadores de Tecidos , Humanos , Bancos de Leite Humano/estatística & dados numéricos , Reino Unido , Estados Unidos , Estudos Transversais , Feminino , Adulto , Doadores de Tecidos/estatística & dados numéricos , Inquéritos e Questionários , Adulto Jovem , Masculino , Mães/estatística & dados numéricos
11.
Braz J Anesthesiol ; 74(4): 844500, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38554793

RESUMO

BACKGROUND: There is no consensus on the most effective strategy for Postoperative Pulmonary Complication (PPC) reduction. This study hypothesized that a Goal-Directed Fluid Therapy (GDFT) protocol of infusion of predetermined boluses reduces the occurrence of PPC in patients undergoing elective open abdominal surgeries when compared with Standard of Care (SOC) strategy. METHODS: Randomized, prospective, controlled study, conducted from May 2012 to December 2014, with ASA I, II or III patients undergoing open abdominal surgeries, lasting at least 120 min, under general anesthesia, randomized into the SOC and the GDFT group. In the SOC, fluid administration was according to the anesthesiologist's discretion. In the GDFT, the intervention protocol, based on bolus infusion according to blood pressure and delta pulse pressure, was applied. Patients were postoperatively evaluated by an anesthesiologist blinded to the group allocation regarding PPC incidence, mortality, and Length of Hospital Stay (LOHS). RESULTS: Forty-two patients in the SOC group and 43 in the GDFT group. Nineteen patients (45%) in the SOC and 6 in the GDFT (14%) had at least one PPC (p = 0.003). There was no difference in mortality or LOHS between the groups. Among the patients with PPC, four died (25%), compared to two deaths in patients without PPC (3%) (p = 0.001). The LOHS had a median of 14.5 days in the group with PPC and 9 days in the group without PPC (p = 0.001). CONCLUSION: The GDFT protocol resulted in a lower rate of PPC; however, the LOHS and mortality did not reduce.


Assuntos
Abdome , Hidratação , Pneumopatias , Complicações Pós-Operatórias , Humanos , Estudos Prospectivos , Masculino , Feminino , Hidratação/métodos , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/prevenção & controle , Complicações Pós-Operatórias/etiologia , Pessoa de Meia-Idade , Abdome/cirurgia , Pneumopatias/etiologia , Idoso , Tempo de Internação , Adulto , Anestesia Geral/métodos
12.
An Acad Bras Cienc ; 96(1): e20230622, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38451598

RESUMO

Natural History Collections (NHCs) represent the world's largest repositories of long-term biodiversity datasets. Specimen collection and voucher deposition has been the backbone of NHCs since their inception, but recent decades have seen a drastic decline in rates of growth via active collecting. Amphibians and reptiles are amongst the most threatened zoological groups on the planet and are historically underrepresented in most worldwide NHCs. As part of an ongoing project to review the Portuguese zoological collections in the country's NHCs, herpetological data from its three major museums and smaller collections was gathered and used to examine the coverage and representation of the different taxa extant in Portugal. These collections are not taxonomically, geographically, or temporally complete. Approximately 90% of the Portuguese herpetological taxa are represented in the country's NHCs, and around half of the taxa are represented by less than 50 specimens. Geographically, the collections cover less than 30% of the country's territory and almost all of the occurring taxa have less than 10% of their known distribution represented in the collections. A discussion on the implications for science of such incomplete collections and a review of the current status of Portuguese NHCs is presented.


Assuntos
Biodiversidade , Museus , Portugal
13.
Cien Saude Colet ; 29(3): e01762023, 2024 Mar.
Artigo em Português, Inglês | MEDLINE | ID: mdl-38451637

RESUMO

Quilombolas are ethnic-racial groups, of black ancestry, and had their territories consolidated in Brazil in regions with difficult access and far from large centers. The objective of this study is to know the therapeutic itinerary (IT) adopted by quilombola women in traditional communities located in the North of the state of Minas Gerais. This is a qualitative study with the theoretical model using the Arthur Kleinman health care system. The study scenario was 23 quilombola communities in northern Minas Gerais. Forty quilombola women aged between 25 and 89 years were interviewed. Data analysis was performed following the IT. Units of analysis emerged that were grouped into three categories: quilombola women and the meaning of health and care; the professional care system in quilombola communities; and route of care in situations experienced by women. The therapeutic itinerary of the communities is mainly related to the actions of popular medicine. It was also possible to observe that there are weaknesses in relation to health care due to factors such as difficulty of access to institutionalized services.


Os quilombolas são grupos étnico-raciais de ancestralidade negra e tiveram seus territórios consolidados no Brasil em regiões com acesso difícil e distante dos grandes centros. O objetivo desse estudo é conhecer o itinerário terapêutico (IT) adotado por mulheres quilombolas em comunidades tradicionais localizadas no norte do estado de Minas Gerais. Trata-se de um estudo com abordagem qualitativa com o modelo teórico utilizando o sistema de cuidados à saúde de Arthur Kleinman. O estudo se deu em 23 comunidades quilombolas do norte de Minas Gerais. Foram entrevistadas 40 mulheres quilombolas, com idades entre 25 e 89 anos. A análise dos dados foi realizada seguindo os IT. Emergiram unidades de análise que foram agrupadas em três categorias: as mulheres quilombolas e o significado da saúde e do cuidado; o sistema de cuidado profissional nas comunidades quilombolas; e itinerário de cuidados nas situações vivenciadas pelas mulheres. O itinerário terapêutico das comunidades se mostra relacionado principalmente às ações de medicina popular. Foi possível observar ainda que existem fragilidades em relação à atenção à saúde devido a fatores como dificuldade de acesso aos serviços institucionalizados.


Assuntos
Medicina , Feminino , Humanos , Adulto , Pessoa de Meia-Idade , Idoso , Idoso de 80 Anos ou mais , Brasil , Análise de Dados , Instalações de Saúde , Pesquisa Qualitativa
14.
Healthcare (Basel) ; 12(5)2024 Feb 21.
Artigo em Inglês | MEDLINE | ID: mdl-38470626

RESUMO

BACKGROUND: Family-centered care places the family at the core of care, with family nurses playing a pivotal role in supporting and guiding members through pregnancy and the transition to parenthood and acknowledging the significant adjustments during these phases. AIM: To map the evidence concerning family nurses' care for families during the transition to parenthood. METHOD: The scoping review followed the Joanna Briggs Institute (JBI) methodology, focusing on family-centered care during pregnancy adaptation and the initial months of parenthood. Using a PCC (population, concept, and context) strategy, the research covered various databases: Scopus; Web of Science; and CINAHL Complete, MedLine Complete, and MedicLatina by EBSCOhost. RESULTS: A Preferred Reporting Items for Systematic Reviews and Meta-analyses extension for Scoping Reviews (PRISMA-ScR) flow diagram was used to present the results. Eighteen articles were included, mainly from the Middle East and Europe, including cross-sectional studies and reviews. Key findings addressed the transitioning process to parenthood, the impact of family characteristics, and the role of family nurses in enhancing these processes. CONCLUSION: Home care is considered vital during this transition. Family nursing should concentrate on both individuals and the parental subsystem, addressing social determinants equitably. Through these efforts, they empower families to establish an optimal environment for children's development.

15.
Chem Biol Interact ; 391: 110874, 2024 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-38311162

RESUMO

Layered double hydroxides (LDHs) have been employed as nano-sized carriers for therapeutic/bio-active molecules, including small interfering RNAs (siRNAs). However, the potential of LDHs nanoparticles for an efficient and safe antisense oligonucleotide (AMO) delivery still requires studies. In this research, we have tested the suitability of a Mg-Al-LDH-based nanocarrier loaded with a miRNA-196b-5p inhibitor. LDHs (and LDH-Oligo complex) were synthesized by the coprecipitation method followed by physicochemical characterization as hydrodynamic size, surface charge, crystallinity, and chemical groups. Thymic endothelial cell line (tEnd.1) were transfected with LDH-Oligo and were evaluated for i. cell viability by MTT, trypan blue, and propidium iodide assays; ii. transfection efficiency by flow cytometry, and iii. depletion of miRNA-196b-5p by RT-qPCR. In addition, Drosophila melanogaster larvae were fed LDHs and evaluated for: i. larval motility; ii. pupation rate; iii. larval-pupal transition; iv. lethality, and v. emergence rate. We demonstrated that LDHs nanoparticles are stable in aqueous solutions and exhibit a regular hexagonal shape. The LDH-AMO complex showed a transfection efficiency of 93.95 ± 2.15 % and induced a significant depletion of miRNA-196b-5p 48h after transfection. No cytotoxic effects were detected in tEnd.1 cells at concentrations up to 50 µg/ml, as well as in Drosophila exposed up to 500 µg of LDH. In conclusion, our data suggest that LDHs are biocompatible and efficient carriers for miRNA inhibitors and can be used as a viable and effective tool in functional miRNA inhibition assays.


Assuntos
Antineoplásicos , MicroRNAs , Animais , MicroRNAs/genética , Drosophila melanogaster , Hidróxidos/química , Água , RNA Interferente Pequeno
16.
PLoS One ; 19(1): e0294725, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38227588

RESUMO

AIM: To gather available scientific evidence on technologies used to teach hand hygiene to professional populations and lays involved in health care in the hospital setting. This systematic review was designed as proposed by Preferred Reporting Items for Systematic Reviews and Meta-Analysis, included studies reporting primary, original, quantitative research findings with no date limit and written in English, Spanish or Portuguese. The search was performed in the following electronic databases: Cochrane Library, Cumulative Index to Nursing and Allied Health Literature, Excerpta Medica dataBASE, Literatura Latino-Americana e do Caribe em Ciências da Saúde, US National Library of Medicine, Scopus, Web of Science, Google Scholar and ProQuest. The eligibility criteria were applied independently by two reviewers to select the studies, first by reading the titles and abstracts on the Rayyan platform and then by full text reading of the eligible studies. After a descriptive analysis, the studies were subjected to critical evaluation of their methodological quality using JBI tools. RESULTS: Seven studies were included, addressing various methods for teaching hand hygiene using different technological resources, such as audiovisual electronic devices, videos, virtual reality, and gamification using tablets and smartphones, in different populations. CONCLUSION: Using technologies to teach hand hygiene considerably helps patients, visitors, and relatives in learning the procedures and efficiently improves hand hygiene compliance rates among healthcare professionals, creating evidence-based repetitive learning opportunities for patients and caregivers.


Assuntos
Higiene das Mãos , Humanos , Pessoal de Saúde , Aprendizagem , Tecnologia Educacional
17.
J Therm Biol ; 119: 103782, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-38176292

RESUMO

Enhanced vascular permeability at the site of injury is a prominent feature in acute inflammatory pain models, commonly assessed through the Evans Blue test. However, this invasive test requires euthanasia, thereby precluding further investigations on the same animal. Due to these limitations, the integration of non-invasive tools such as IRT has been sought. Here, we aimed to evaluate the use of thermography in a common orofacial pain model that employs formalin as a chemical irritant to induce local orofacial inflammation. Male Hannover rats (290-300 g, N = 43) were used. In the first approach, radiometric images were taken before and after formalin administration, assessing temperature changes and extravasated Evans Blue. The second approach included capturing pre- and post-formalin test radiometric images, followed by cytokine measurements in excised vibrissae tissue. Rats were anesthetized for vibrissae tissue collection, allowing correlations between thermographic patterns, nocifensive behavior duration, and cytokine levels in this area. Our findings revealed a positive correlation between local temperature, measured via thermography, and vascular permeability in the contralateral (r2 = 0.3483) and ipsilateral (r2 = 0.4502) side, measured using spectrophotometry. The obtained data supports the notion that thermography-based temperature assessment can effectively evaluate vascular permeability in the orofacial region.


Assuntos
Formaldeído , Termografia , Ratos , Masculino , Animais , Formaldeído/efeitos adversos , Termografia/métodos , Permeabilidade Capilar , Azul Evans/efeitos adversos , Dor Facial/induzido quimicamente , Citocinas
18.
Environ Sci Pollut Res Int ; 31(9): 12683-12721, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38253828

RESUMO

Nanomaterials, due to their large surface area and selectivity, have stood out as an alternative for the adsorption of contaminants from water and effluents. Synthesized from green or traditional protocols, the main advantages and disadvantages of green nanomaterials are the elimination of the use of toxic chemicals and difficulty of reproducing the preparation of nanomaterials, respectively, while traditional nanomaterials have the main advantage of being able to prepare nanomaterials with well-defined morphological properties and the disadvantage of using potentially toxic chemicals. Thus, based on the particularities of green and conventional nanomaterials, this review aims to fill a gap in the literature on the comparison of the synthesis, morphology, and application of these nanomaterials in the adsorption of contaminants in water. Focusing on the adsorption of heavy metals, pesticides, pharmaceuticals, dyes, polyaromatic hydrocarbons, and phenol derivatives in water, for the first time, a review article explored and compared how chemical and morphological changes in nanoadsorbents synthesized by green and conventional protocols affect performance in the adsorption of contaminants in water. Despite advances in the area, there is still a lack of review articles on the topic.


Assuntos
Metais Pesados , Nanoestruturas , Poluentes Químicos da Água , Purificação da Água , Purificação da Água/métodos , Poluentes Químicos da Água/química , Adsorção , Água
19.
J Clin Nurs ; 33(1): 58-75, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-37149845

RESUMO

AIM: To present the pooled estimated prevalence of adverse events in pronated intubated adult COVID-19 patients. DESIGN: A systematic review and meta-analysis. DATA SOURCES: This study used the Cochrane Library, CINAHL, Embase, LILACS, Livivo, PubMed, Scopus, and Web of Science databases as data sources. METHODS: The studies were meta-analysed using JAMOVI 1.6.15 software. A random-effects model was used to identify the global prevalence of adverse events, confidence intervals and the heterogeneity data. Risk of bias was assessed using the Joanna Briggs Institute tool, and the certainty of evidence was assessed using the Grading of Recommendations Assessment, Development, and Evaluation approach. RESULTS: Of the 7904 studies identified, 169 were included for full reading, and 10 were included in the review. The most prevalent adverse events were pressure injuries (59%), haemodynamic instability (23%), death (17%) and device loss or traction (9%). CONCLUSION: The most prevalent adverse events in mechanically ventilated pronated patients with COVID-19 are pressure injuries, presence of haemodynamic instability, death and device loss or traction. IMPLICATIONS FOR THE PATIENT CARE: The evidence identified in this review can help improve the quality and safety of patient care by helping to design care protocols to avoid the development of adverse events that can cause permanent sequelae in these patients. IMPACT: This systematic review addressed the adverse events related to prone position in intubated adult COVID-19 patients. We identified that the most prevalent adverse events in these patients were pressure injuries, haemodynamic instability, device loss or traction and death. The results of this review may influence the clinical practice of nurses who work in intensive care units and, consequently, the nursing care provided not only to COVID-19 patients but for all intubated patients due to other reasons in intensive care units. REPORTING METHOD: This systematic review adhered to the PRISMA reporting guideline. PATIENT OR PUBLIC CONTRIBUTION: As this is a systematic review, we analysed data from primary studies conducted by many researchers. Thus, there was no patient or public contribution in this review.


Assuntos
COVID-19 , Intubação Intratraqueal , Úlcera por Pressão , Adulto , Humanos , COVID-19/terapia , Unidades de Terapia Intensiva , Pacientes , Úlcera por Pressão/epidemiologia , Úlcera por Pressão/etiologia , Prevalência , Intubação Intratraqueal/efeitos adversos , Hemodinâmica
20.
Glia ; 72(3): 529-545, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38013496

RESUMO

To study the anti-inflammatory potential of the two synthetic cannabinoids 4'-F-CBD and HU-910, we used post-natal brain cultures of mouse microglial cells and astrocytes activated by reference inflammogens. We found that 4'-F-CBD and HU-910 efficiently curtailed the release of TNF-α, IL-6, and IL-1ß in microglia and astrocytes activated by the bacterial Toll-Like Receptor (TLR)4 ligand LPS. Upon LPS challenge, 4'-F-CBD and HU-910 also prevented the activation of phenotypic activation markers specific to microglia and astrocytes, that is, Iba-1 and GFAP, respectively. In microglial cells, the two test compounds also efficiently restrained LPS-stimulated release of glutamate, a non-cytokine inflammation marker for these cells. The immunosuppressive effects of the two cannabinoid compounds were concentration-dependent and observable between 1 and 10 µM. These effects were not dependent on cannabinoid or cannabinoid-like receptors. Both 4'-F-CBD and HU-910 were also capable of restraining the inflammogenic activity of Pam3CSK4, a lipopeptide that activates TLR2, and of BzATP, a prototypic agonist of P2X7 purinergic receptors, suggesting that these two cannabinoids could exert immunosuppressive effects against a variety of inflammatory stimuli. Using LPS-stimulated microglia and astrocytes, we established that the immunosuppressive action of 4'-F-CBD and HU-910 resulted from the inhibition of ROS produced by NADPH oxidase and subsequent repression of NF-κB-dependent signaling events. Our results suggest that 4'-F-CBD and HU-910 may have therapeutic utility in pathological conditions where neuroinflammatory processes are prominent.


Assuntos
Compostos Bicíclicos com Pontes , Canabidiol/análogos & derivados , Canabinoides , Microglia , Camundongos , Animais , Astrócitos , Lipopolissacarídeos/toxicidade , Canabinoides/farmacologia , Encéfalo , Inflamação/induzido quimicamente , Inflamação/tratamento farmacológico
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