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1.
Ecol Food Nutr ; : 1-18, 2024 Sep 08.
Artículo en Inglés | MEDLINE | ID: mdl-39244777

RESUMEN

This study aimed to assess the prevalence of inadequate micronutrient intake and its risk factors among women one year after giving birth. 240 women of reproductive age were assessed. Micronutrient intake was assessed from two 24-hour records at three stages (3-6-12 months after childbirth). A generalized linear mixed-effect model was used to assess the factors associated with food intake. A prevalence of inadequate micronutrient intake was observed, with the exception of iron. Intake was lower among food-insecure women (zinc: ß -0.13; iron: ß -0.09; vitamin C: ß -0.44). The postpartum period and food insecurity remained statistically associated with lower food consumption in the explanatory models tested.

2.
Nutrition ; 128: 112557, 2024 Aug 14.
Artículo en Inglés | MEDLINE | ID: mdl-39255640

RESUMEN

OBJECTIVES: This study aims to establish cut-off points for lipid accumulation product and tri-ponderal mass index to identify insulin resistance (IR) in Brazilian postpubertal adolescents. METHODS: We conducted an analysis of postpubertal adolescents enrolled in the national school-based cross-sectional study of cardiovascular risks in adolescents (ERICA-BRAZIL) from February 2013 to November 2014. IR was defined by homeostatic model assessment index for IR values ≥2.32 for girls and ≥2.87 for boys. The analysis involved calculating the area under receiver operating characteristic curves, sensitivity values, specificity, positive and negative predictive values, and positive and negative likelihood ratios to determine reference values of indices with optimal performance. RESULTS: The sample was comprised of 14 026 adolescents, with 25.3% (95% confidence intervals: 24.6%-26.1%) exhibiting IR, more prevalent among girls and overweight individuals. The ideal lipid accumulation product cut-off points associated with IR were 13.5 for the total population, 13.8 for male adolescents, and 13.5 for girls. Regarding tri-ponderal mass index, the optimal cut-off values for identifying IR were 14.1, 13.9, and 14.5 kg/m³ in the general sample, boys, and girls, respectively. CONCLUSIONS: This study establishes cut-off points for adiposity indices, demonstrating their effectiveness in screening for IR in postpubertal Brazilian adolescents.

3.
Codas ; 36(5): e20230252, 2024.
Artículo en Portugués, Inglés | MEDLINE | ID: mdl-39109755

RESUMEN

PURPOSE: to verify the association between the perception of mothers of premature infants regarding the features that may interfere with breastfeeding and the mother's socioeconomic data, pregnancy and the baby's clinical data. METHODS: observational, descriptive and analytical quali-quantitative cross-sectional study. One hundred and fourteen mothers of premature infants were included and data were collected through questionnaires, applied at hospital discharge, and analysis of medical records. Maternal responses about the interference observed in the breastfeeding process were categorized by content analysis and associated with socioeconomic, pregnancy and baby data. RESULTS: the mothers' perceptions regarding the factors that interfere with the baby's feeding at the mother's breast were divided into four semantic categories: clinical and/or physical conditions of the baby; clinical, physical and/or psycho-emotional conditions of the mother; support network; and strategies for initiating and/or maintaining breastfeeding. Education, paternal presence, having other children and having breastfed them were associated with the maternal perception that their clinical, physical and/or psycho-emotional conditions interfere with breastfeeding. In addition, the support network was associated with exclusive breastfeeding at discharge. CONCLUSION: education, paternal presence, multiparity and having breastfed previous children influenced the maternal perception that their clinical, physical and/or psycho-emotional conditions interfere with breastfeeding. In addition, mention of the support network was associated with exclusive breastfeeding at discharge.


OBJETIVO: verificar a associação entre a percepção das mães de prematuros a respeito dos fatores que podem interferir no aleitamento e as características socioeconômicas da mãe, da gestação e clínicas do recém-nascido. MÉTODO: estudo qualiquantitativo observacional, descritivo e analítico do tipo transversal. Foram incluídas 114 mães de prematuros. Os dados foram coletados por meio de questionários, aplicados à alta hospitalar e análise dos prontuários. As respostas maternas sobre as interferências observadas no processo do aleitamento foram categorizadas por análise de conteúdo e associadas aos dados socioeconômicos, da gestação e do recém-nascido (RN). RESULTADOS: as percepções das mães quanto aos fatores que interferem na alimentação do RN ao seio materno foram divididas em quatro categorias semânticas: condições clínicas e/ou físicas do RN; condições clínicas, físicas e/ou psicoemocionais da mãe; rede de apoio; e estratégias para iniciar e/ou manter o aleitamento materno. Escolaridade, presença paterna, possuir outros filhos e tê-los amamentado apresentaram associação com a percepção materna de que suas condições clínicas, físicas e ou psicoemocionais interferem no aleitamento. Além disso, a rede de apoio esteve associada ao aleitamento materno exclusivo à alta. CONCLUSÃO: escolaridade, presença paterna, multiparidade e ter amamentado filhos anteriores influenciaram a percepção materna de que suas condições clínicas, físicas e ou psicoemocionais apresentam interferência no aleitamento. Além disso, a menção à rede de apoio esteve associada com o aleitamento materno exclusivo à alta.


Asunto(s)
Lactancia Materna , Recien Nacido Prematuro , Madres , Factores Socioeconómicos , Humanos , Lactancia Materna/psicología , Femenino , Estudios Transversales , Recién Nacido , Madres/psicología , Adulto , Encuestas y Cuestionarios , Percepción , Adulto Joven , Embarazo , Masculino
4.
Arch Microbiol ; 206(9): 368, 2024 Aug 06.
Artículo en Inglés | MEDLINE | ID: mdl-39107625

RESUMEN

This study investigated crotamine (CTA), a peptide derived from the venom of the South American rattlesnake Crotalus durissus terrificus, known for its exceptional cell penetration potential. The objective was to explore the antibacterial and antifungal activity of CTA, its ability to inhibit efflux pumps and evaluate the effectiveness of its pharmacological combination with antibiotics and antifungals. In microbiological assays, CTA in combination with antibiotics was tested against strains of S. aureus and the inhibition of NorA, Tet(K) and MepA efflux pumps was also evaluated. CTA alone did not present clinically relevant direct antibacterial action, presenting MIC > 209.7 µM against strains S. aureus 1199B, IS-58, K2068. The standard efflux pump inhibitor CCCP showed significant effects in all negative relationships to assay reproducibility. Against the S. aureus 1199B strain, CTA (20.5 µM) associated with norfloxacin diluted 10 × (320.67 µM) showed a potentiating effect, in relation to the control. Against the S. aureus IS-58 strain, the CTA associated with tetracycline did not show a significant combinatorial effect, either with 2304 or 230.4 µM tetracycline. CTA at a concentration of 2.05 µM associated with ciprofloxacin at a concentration of 309.4 µM showed a significant potentiating effect. In association with EtBr, CTA at concentrations of 2.05 and 20.5 µM potentiated the effect in all strains tested, reducing the prevention of NorA, Tet(K) and MepA efflux pumps. In the C. albicans strain, a potentiating effect of fluconazole (334.3 µM) was observed when combined with CTA (2.05 µM). Against the C. tropicalis strain, a significant effect was also observed in the association of fluconazole 334.3 µM, where CTA 2.05 µM considerably reduced fungal growth and decreased the potentiation of fluconazole. Against the C. krusei strain, no significant potentiating effect of fluconazole was obtained by CTA. Our results indicate that CTA in pharmacological combination potentiates the effects of antibiotics and antifungal. This represents a new and promising antimicrobial strategy for treating a wide variety of infections.


Asunto(s)
Antibacterianos , Antifúngicos , Venenos de Crotálidos , Crotalus , Pruebas de Sensibilidad Microbiana , Antifúngicos/farmacología , Antifúngicos/química , Antibacterianos/farmacología , Venenos de Crotálidos/farmacología , Animales , Staphylococcus aureus/efectos de los fármacos , Sinergismo Farmacológico , Candida albicans/efectos de los fármacos , Serpientes Venenosas
5.
Eur J Microbiol Immunol (Bp) ; 14(3): 289-295, 2024 Sep 11.
Artículo en Inglés | MEDLINE | ID: mdl-39178045

RESUMEN

Background: The rising prevalence of fungal infections and challenges such as adverse effects and resistance against existing antifungal agents have driven the exploration of new antifungal substances. Methods: We specifically investigated naphthoquinones, known for their broad biological activities and promising antifungal capabilities. It specifically examined the effects of a particular naphthoquinone on the cellular components of Candida albicans ATCC 60193. The study also assessed cytotoxicity in MRC-5 cells, Artemia salina, and the seeds of tomatoes and arugula. Results: Among four tested naphthoquinones, 2,3-DBNQ (2,3-dibromonaphthalene-1,4-dione) was identified as highly effective, showing potent antifungal activity at concentrations between 1.56 and 6.25 µg mL-1. However, its cytotoxicity in MRC-5 cells (IC50 = 15.44 µM), complete mortality in A. salina at 50 µg mL-1, and significant seed germination inhibition suggest limitations for its clinical use. Conclusions: The findings indicate that primary antifungal mechanism of 2,3-DBNQ might involve disrupting fungal membrane permeability, which leads to increased nucleotide leakage. This insight underscores the need for further research to enhance the selectivity and safety of naphthoquinones for potential therapeutic applications.

6.
J Med Case Rep ; 18(1): 361, 2024 Aug 03.
Artículo en Inglés | MEDLINE | ID: mdl-39095912

RESUMEN

INTRODUCTION: Herlyn-Werner-Wunderlich syndrome , a rare Müllerian ducts congenital disease, is characterized by a diphtheritic uterus, blind hemivagina, and ipsilateral renal agenesis. Diagnosis is at young age by ultrasound and magnetic resonance imaging, and the prognosis is good. Usually, complications evolve endometriosis and secondary pelvic inflammation. CASE REPORT: A 40-year-old female patient, Brazilian, white, primigravida, diagnosed at 30 years with a didelphic uterus on ultrasound, and 4 years later, with a left ovarian endometrioma, multiple ovarian cysts, and left renal agenesis on magnetic resonance imaging. Subsequently, due to dyspareunia and a feeling of swelling, the patient underwent transvaginal ultrasound with bowel preparation, and a hematocolpos was found and Herlyn-Werner-Wunderlich syndrome was suspected; 10 years after the diagnosis she had a planned pregnancy. She presented frequent contractions following the 15th week of pregnancy and fortunately there were no complications or premature labor. Labor was inducted at 40 weeks and 6 days without progress and a cesarean section was indicated and performed without complications. Herlyn-Werner-Wunderlich syndrome often goes unnoticed, leading to inadequate treatment. Individuals with Herlyn-Werner-Wunderlich syndrome commonly face fertility issues, such as high miscarriage rate (21-33%), and obstetric complications, such as spontaneous abortions (40% risk), intrauterine growth restriction, postpartum hemorrhage, increased fetal mortality, preterm delivery (21-29%), and elevated rates of cesarean sections. In addition, there is higher susceptibility of developing endometriosis, especially with hemivaginal obstruction, and pelvic adhesions. CONCLUSION: Early diagnosis enables timely treatment and, consequently, fewer complications. Still, when these factors are absent, vaginal birth may still be possible. The true prevalence and incidence of complications related to Herlyn-Werner-Wunderlich syndrome are still unknown.


Asunto(s)
Endometriosis , Humanos , Femenino , Adulto , Endometriosis/complicaciones , Embarazo , Útero/anomalías , Útero/diagnóstico por imagen , Cesárea , Riñón/anomalías , Conductos Paramesonéfricos/anomalías , Anomalías Múltiples , Anomalías Congénitas/diagnóstico , Anomalías Congénitas/diagnóstico por imagen , Vagina/anomalías , Complicaciones del Embarazo , Enfermedades Renales/congénito , Enfermedades Renales/diagnóstico
7.
Trop Anim Health Prod ; 56(7): 245, 2024 Aug 30.
Artículo en Inglés | MEDLINE | ID: mdl-39212831

RESUMEN

The objective of the present study was to evaluate the substitution of soybean meals by biodiesel co-products on the performance and nutrient balance of lactating cows on pasture. Twelve dairy cows (7/8 Holstein-Gir) in early lactation were included in this feeding trial. These animals had an average daily milk yield of 21.1 kg and were distributed in a 4 × 4 triple Latin square experimental design. Protein supplements fed to these lactating cows contained peanut meal, cotton and sunflower as a complete replacement for soybean meal. Nutrient intake and digestibility, milk production, microbial protein synthesis, energy and protein balance were the parameters assessed in this study. Supplements containing different biodiesel co-products did not influence (P > 0.05) the level of forage intake, supplementation and nutrient by lactating cows, except for the total digestible nutrients (TDN) intake which was higher (P ≤ 0.05) in cows supplemented with cottonseed meal. The cotton meal also promoted higher digestibility of TDN (P = 0.001) and total carbohydrates (TCHO; P = 0.001) of the diet and, as a result, higher energy consumption (P = 0.01) and lower negative energy balance (P = 0.01). Cottonseed meal is a co-product of the biodiesel industry that has the ability to replace soybean meal as a source of protein in the supplement without affecting performance and promoting greater energy availability, demonstrating its ability to reduce the effects of negative energy balance in cows at the beginning of lactation kept on tropical pastures.


Asunto(s)
Alimentación Animal , Biocombustibles , Suplementos Dietéticos , Lactancia , Animales , Bovinos/fisiología , Femenino , Alimentación Animal/análisis , Suplementos Dietéticos/análisis , Biocombustibles/análisis , Dieta/veterinaria , Digestión/efectos de los fármacos , Glycine max/química , Fenómenos Fisiológicos Nutricionales de los Animales , Aceite de Semillas de Algodón/administración & dosificación , Leche/química
8.
Biochemistry ; 63(16): 2023-2029, 2024 08 20.
Artículo en Inglés | MEDLINE | ID: mdl-39106042

RESUMEN

The kallikrein-related peptidase KLK2 has restricted expression in the prostate luminal epithelium, and its protein target is unknown. The present work reports the hydrolytic activities of KLK2 on libraries of fluorescence resonance energy-transfer peptides from which the sequence SYRIF was the most susceptible substrate for KLK2. The sequence SYRIF is present at the extracellular N-terminal segment (58SYRIF63Q) of IL-10R2. KLK2 was fully active at pH 8.0-8.2, found only in prostate inflammatory conditions, and strongly activated by sodium citrate and glycosaminoglycans, the quantities and structures controlled by prostate cells. Bone-marrow-derived macrophages (BMDM) have IL-10R2 expressed on the cell surface, which is significantly reduced after KLK2 treatment, as determined by flow cytometry (FACS analysis). The IL-10 inhibition of the inflammatory response to LPS/IFN-γ in BMDM cells due to decreased nitric oxide, TNF-α, and IL-12 p40 levels is significantly reduced upon treatment of these cells with KLK2. Similar experiments with KLK3 did not show these effects. These observations indicate that KLK2 proteolytic activity plays a role in prostate inflammation and makes KLK2 a promising target for prostatitis treatment.


Asunto(s)
Calicreínas , Humanos , Masculino , Calicreínas/metabolismo , Calicreínas/química , Arginina/metabolismo , Arginina/química , Próstata/metabolismo , Próstata/efectos de los fármacos , Macrófagos/metabolismo , Macrófagos/efectos de los fármacos , Animales , Ratones , Péptidos/química , Péptidos/farmacología , Péptidos/metabolismo , Dominios Proteicos , Interleucina-10/metabolismo , Especificidad por Sustrato
9.
Antioxidants (Basel) ; 13(8)2024 Jul 30.
Artículo en Inglés | MEDLINE | ID: mdl-39199173

RESUMEN

Sepsis is a potentially fatal clinical condition that results from an immune imbalance in the host during an infection. It presents systemic alterations due to excessive activation of pro-inflammatory mediators that contribute to inflammation, formation of reactive species, and tissue damage. Anti-inflammatory mediators are then extensively activated to regulate this process, leading to immune exhaustion and, consequently, immunosuppression of the host. Considering the biological activities of the nutraceutical Agaricus brasiliensis (A. brasiliensis), such as immunomodulatory, antioxidant, and antitumor activities, the present study investigated the therapeutic potential of the lipid fraction of A. brasiliensis (LF) in a model of lethal sepsis in mice (Mus musculus), induced by cecal ligation and perforation (CLP). The results showed that treatment of septic animals with LF or LF associated with ertapenem (LF-Erta) reduced systemic inflammation, promoting improvement in clinical parameters and increased survival. The data show a reduction in pro-inflammatory and oxidative stress markers, regulation of the anti-inflammatory response and oxidizing agents, and increased bacterial clearance in the peritoneal cavity and liver. Thus, it can be concluded that LF as a treatment, and in conjunction with antibiotic therapy, has shown promising effects as a hepatoprotective, antioxidant, antimicrobial, and immunomodulatory agent.

10.
Ann Med ; 56(1): 2394848, 2024 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-39194335

RESUMEN

INTRODUCTION: The postoperative (PO) period after cardiac surgery is associated with the occurrence of respiratory complications. Noninvasive positive pressure ventilation (NIPPV) is largely used as a ventilatory support strategy after the interruption of invasive mechanical ventilation. However, the variables associated with NIPPV prescription are unclear. OBJECTIVE: To describe the literature on predictors of NIPPV prescription in patients during the PO period of cardiac surgery. MATERIALS AND METHODS: This systematic review was registered on the International Prospective Register of Systematic Reviews (PROSPERO) platform in December 2021 (CRD42021291973). Bibliographic searches were performed in February 2022 using the PubMed, Lilacs, Embase and PEDro databases, with no year or language restrictions. The Predictors for the prescription of NIPPV were considered among patients who achieved curative NIPPV. RESULTS: A total of 349 articles were identified, of which four were deemed eligible and were included in this review. Three studies were retrospective studies, and one was a prospective safety pilot study. The total sample size in each study ranged from 109 to 1657 subjects, with a total of 3456 participants, of whom 283 realized NIPPV. Curative NIPPV was the only form of NIPPV in 75% of the studies, which presented this form of prescription in 5-9% of the total sample size, with men around 65 years old being the majority of the participants receiving curative NIPPV. The main indication for curative NIPPV was acute respiratory failure. Only one study realized prophylactic NIPPV (28% of 32 participants). The main predictors for the prescription of curative NIPPV in the PO period of cardiac surgery observed in this study were elevated body mass index (BMI), hypercapnia, PO lung injury, cardiogenic oedema and pneumonia. CONCLUSIONS: BMI and lung alterations related to gas exchange disturbances are major predictors for NIPPV prescription in patients during the PO period of cardiac surgery. The identification of these predictors can benefit clinical decision-making regarding the prescription of NIPPV and help conserve human and material resources, thereby preventing the indiscriminate use of NIPPV.


Asunto(s)
Procedimientos Quirúrgicos Cardíacos , Ventilación no Invasiva , Humanos , Ventilación no Invasiva/métodos , Ventilación no Invasiva/estadística & datos numéricos , Procedimientos Quirúrgicos Cardíacos/efectos adversos , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/prevención & control , Periodo Posoperatorio , Insuficiencia Respiratoria/terapia , Insuficiencia Respiratoria/etiología , Respiración con Presión Positiva/métodos , Masculino
11.
Curr Med Chem ; 2024 Jul 04.
Artículo en Inglés | MEDLINE | ID: mdl-38967082

RESUMEN

BACKGROUND: Neglected parasitic diseases constitute a broad spectrum of clinical conditions that, in the chronic phase, lack effective therapies for the target population. The utilization of vaccines based on liposomal nanocarrier systems is emerging, thereby enhancing clinical outcomes in various comorbidities. Consequently, this study aims to assess the immunological activity induced by liposomal nanocarriers against neglected parasitic diseases. METHODS: For the review, the Pubmed, Embase, and Lilacs databases were used using the descriptors vaccine, parasite, and liposome. The following inclusion criteria were adopted: in vivo and in vitro experimental articles. As exclusion criteria: book chapters, editorials, literature reviews and duplicate articles found during the database search. RESULTS: A total of 226 articles were identified, from which 34 were selected for review. The primary diseases identified included Babesia bovis, Entamoeba histolytica, Leishmania braziliensis, Leishmania donovani, Leishmania major, Leishmania infantum, Plasmodium falciparum, Plasmodium chabaudi, Plasmodium chabaudi, Plasmodium yoelii, Toxoplasma gondii and Trypanosoma cruzi. An elevation in cytokines such as GM-CSF, MCP-1, INF-γ, TNF-α, IL-2, IL-4, IL-5, IL-6, IL-10, IL-12, and IL-17 was observed in the studies evaluated regarding the parasitic diseases. Furthermore, cytokines such as IL-4, IL-10, and TGF-ß were diminished with the administration of the vaccine systems in those studies. CONCLUSION: Therefore, the administration of liposomal nanovaccine systems can effectively ameliorate the clinical condition of patients by modulating their immunological profile.

12.
Br J Sports Med ; 58(16): 919-929, 2024 Jul 31.
Artículo en Inglés | MEDLINE | ID: mdl-39048153

RESUMEN

OBJECTIVE: To explore the relationship between long-term physical activity (PA) participation and falls. METHODS: Participants in the Australian Longitudinal Study of Women's Health born 1946-1951 self-reported amounts of PA every 3 years since 1998 (mean age: 54 years, n=11 796). Latent class analysis described profiles of self-reported PA participation over 18 years. Associations between patterns of PA participation and self-reported falls measured in 2019 were examined using multinomial logistic regression adjusted for directed-acyclic graph-informed potential confounders, with the highly active group as the reference category. RESULTS: Women were grouped into five PA participation profiles. Compared with consistently highly active patterns (maintaining ≥300 min/week, 22%), consistently lower levels of PA<100 min/week (18%), consistently some PA<150 min/week (18%) and decreasing PA but maintaining≥150 min/week (n=3540, 30%) had higher odds of non-injurious falls (odds Ratiolower level (OR): 1.59, 95% CI 1.29 to 1.97; ORsome PA: 1.27, 95% CI 1.04 to 1.55; ORdecreasing activity:1.29, 95% CI 1.02 to 1.63) and injurious falls (ORlow level: 1.32, 95% CI 1.06 to 1.64; ORsome PA: 1.27, 95% CI 1.04 to 1.54; ORdecreasing activity: 1.47, 95% CI 1.18 to 1.83). No association was found between increasing PA (≥150 min/week, 11%) for non-injurious (OR 1.07, 95% CI 0.89 to 1.29) and injurious falls (OR 1.07, 95% CI 0.90 to 1.29). After adjusting for potential confounders, consistently lower levels of PA remained associated with increased non-injurious falls odds (OR1998 survey: 1.40, 95% CI 1.11 to 1.77; OR2016 survey: 1.35, 95% CI 1.07 to 1.71). CONCLUSION: The increased odds of falls among women with consistently lower levels of PA over 18 years supports ongoing participation of 150+ min/week of PA.


Asunto(s)
Accidentes por Caídas , Ejercicio Físico , Salud de la Mujer , Humanos , Accidentes por Caídas/estadística & datos numéricos , Femenino , Estudios Longitudinales , Australia , Persona de Mediana Edad , Autoinforme , Anciano , Factores de Riesgo
13.
Comput Struct Biotechnol J ; 25: 127-142, 2024 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-39040658

RESUMEN

This report demonstrates a case study within the ASINA project, aimed at instantiating a roadmap with quantitative metrics for Safe(r) and (more) Sustainable by Design (SSbD) options. We begin with a description of ASINA's methodology across the product lifecycle, outlining the quantitative elements within: Physical-Chemical Features (PCFs), Key Decision Factors (KDFs), and Key Performance Indicators (KPIs). Subsequently, we delve in a proposed decision support tool for implementing the SSbD objectives across various dimensions-functionality, cost, environment, and human health safety-within a broader European context. We then provide an overview of the technical processes involved, including design rationales, experimental procedures, and tools/models developed within ASINA in delivering nano-silver-based antimicrobial textile coatings. The result is pragmatic, actionable metrics intended to be estimated and assessed in future SSbD applications and to be adopted in a common SSbD roadmap aligned with the EU's Green Deal objectives. The methodological approach is transparently and thoroughly described to inform similar projects through the integration of KPIs into SSbD and foster data-driven decision-making. Specific results and project data are beyond this work's scope, which is to demonstrate the ASINA roadmap and thus foster SSbD-oriented innovation in nanotechnology.

14.
Mem Inst Oswaldo Cruz ; 119: e230186, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39045993

RESUMEN

BACKGROUND: Giant viruses have brought new insights into different aspects of virus-cell interactions. The resulting cytopathic effects from these interactions are one of the main aspects of infection assessment in a laboratory routine, mainly reflecting on the morphological features of an infected cell. OBJECTIVES: In this work, we follow the entire kinetics of the cytopathic effect in cells infected by viruses of the Mimiviridae family, spatiotemporally quantifying typical features such as cell roundness, loss of motility, decrease in cell area and cell lysis. METHODS: Infections by Acanthamoeba polyphaga mimivirus (APMV), Tupanvirus (TPV) and M4 were carried out at multiplicity of infection (MOI) 1 and MOI 10 in Acanthamoeba castellanii. Monitoring of infections was carried out using time lapse microscopy for up to 72 hours. The images were analyzed using ImageJ software. FINDINGS: The data obtained indicate that APMV is the slowest virus in inducing the cytopathic effects of rounding, decrease in cell area, mobility and cell lysis. However, it is the only virus whose MOI increase accelerates the lysis process of infected cells. In turn, TPV and M4 rapidly induce morphological and behavioral changes. MAIN CONCLUSIONS: Our results indicate that mimiviruses induce different temporal responses within the host cell and that it is possible to use these kinetic data to facilitate the understanding of infection by these viruses.


Asunto(s)
Acanthamoeba castellanii , Efecto Citopatogénico Viral , Mimiviridae , Mimiviridae/fisiología , Cinética , Acanthamoeba castellanii/virología
15.
Coron Artery Dis ; 2024 Jun 04.
Artículo en Inglés | MEDLINE | ID: mdl-38829316

RESUMEN

BACKGROUND: Evidence from randomized studies support complete over culprit-only revascularization for patients with acute coronary artery syndrome (ACS) and multivessel coronary artery diseases (MVD). Whether these findings extend to elderly patients, however, has not been thoroughly explored. METHODS: We conducted a systematic review and meta-analysis comparing clinical outcomes of elderly individuals (defined as age ≥75 years) with ACS and MVD submitted to complete vs partial-only percutaneous coronary intervention (PCI). PubMed, Embase, and Cochrane were searched. We computed pooled hazard ratios with 95% confidence intervals (CI) to preserve time time-to-event data. RESULTS: We included 7 studies, of which 2 were RCT and 5 were multivariable adjusted cohorts, comprising a total 10 147, of whom 43.8% underwent complete revascularization. As compared with partial-only PCI, complete revascularization was associated with a lower all-cause mortality (hazard ratio 0.71; 95% CI 0.60-0.85; P < 0.01), cardiovascular mortality (hazard ratio 0.64; 95% CI 0.52-0.79; P < 0.01), and recurrent myocardial infarction (hazard ratio 0.65; 95% CI 0.50-0.85; P < 0.01). There was no significant difference between groups regarding the risk of revascularizations (hazard ratio 0.80; 95% CI 0.53-1.20; P = 0.28). CONCLUSION: Among elderly patients with ACS and multivessel CAD, complete revascularization is associated with a lower risk of all-cause mortality, cardiovascular mortality, and recurrent myocardial infarction.

16.
Artículo en Inglés | CONASS, Sec. Est. Saúde SP, SESSP-IDPCPROD, Sec. Est. Saúde SP | ID: biblio-1555343

RESUMEN

BACKGROUND Evidence from randomized studies support complete over culprit-only revascularization for patients with acute coronary artery syndrome (ACS) and multivessel coronary artery diseases (MVD). Whether these findings extend to elderly patients, however, has not been thoroughly explored. METHODS We conducted a systematic review and meta-analysis comparing clinical outcomes of elderly individuals (defined as age ≥75 years) with ACS and MVD submitted to complete vs partial-only percutaneous coronary intervention (PCI). PubMed, Embase, and Cochrane were searched. We computed pooled hazard ratios with 95% confidence intervals (CI) to preserve time time-to-event data. RESULTS We included 7 studies, of which 2 were RCT and 5 were multivariable adjusted cohorts, comprising a total 10 147, of whom 43.8% underwent complete revascularization. As compared with partial-only PCI, complete revascularization was associated with a lower all-cause mortality (hazard ratio 0.71; 95% CI 0.60­0.85; P < 0.01), cardiovascular mortality (hazard ratio 0.64; 95% CI 0.52­0.79; P < 0.01), and recurrent myocardial infarction (hazard ratio 0.65; 95% CI 0.50­0.85; P < 0.01). There was no significant difference between groups regarding the risk of revascularizations (hazard ratio 0.80; 95% CI 0.53­1.20; P = 0.28). CONCLUSION Among elderly patients with ACS and multivessel CAD, complete revascularization is associated with a lower risk of all-cause mortality, cardiovascular mortality, and recurrent myocardial infarction.

17.
Clin Ophthalmol ; 18: 1691-1699, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38863678

RESUMEN

Purpose: To assess ocular pain in patients undergoing multiple intravitreal injections of anti-vascular endothelial growth factor (anti-VEGF) who have previous factors that may influence pain sensitivity. Methodology: This is a prospective, observational, case series study involving patients who underwent multiple (≥3) pro re nata intravitreal injections of ranibizumab or aflibercept to treat any cause of chorioretinal vascular disease. Ocular pain was assessed by the numerical analog scale during intravitreal injection. For this study, the main variable was ocular pain and the secondary variables included age, sex, previous history of glaucoma, primary retinal vascular disease, severe dry eye history, trigeminal pain, scleral buckle surgery, collagen diseases, fibromyalgia, severe migraine history, pars plana vitrectomy, scleral thickness measurements, and type of anti-VEGF. Results: In a total of 894 patients, 948 eyes (4822 intravitreal injections), 793 patients (88.6%) had ocular pain sensitivity between no pain to mild pain, 80 patients (8.9%) had moderate ocular pain, 15 patients (1.6%) had severe ocular pain, and 6 patients (0.7%) had extremely severe ocular pain. Patients with severe dry eye (p = 0.01) and previous history of scleral buckle surgery (p = 0.01) showed a significant correlation with ocular pain during intravitreal injection. Pars plana scleral thickness (>550 um) and diabetic neuropathy were associated with ocular pain but did not meet the criteria for statistical significance (p = 0.09 and p = 0.06, respectively). Conclusion: Dry eye and prior scleral buckle surgery may contribute to pain associated with intravitreal injection. These issues should be taken into consideration in patients undergoing multiple intravitreal injections.

18.
Int J Retina Vitreous ; 10(1): 43, 2024 Jun 14.
Artículo en Inglés | MEDLINE | ID: mdl-38877585

RESUMEN

BACKGROUND: Diabetic retinopathy (DR) stands as the foremost cause of preventable blindness in adults. Despite efforts to expand DR screening coverage in the Brazilian public healthcare system, challenges persist due to various factors including social, medical, and financial constraints. Our objective was to evaluate the quality of images obtained with the AirDoc, a novel device, compared to Eyer portable camera which has already been clinically validated. METHODS: Images were captured by two portable retinal devices: AirDoc and Eyer. The included patients had their fundus images obtained in a screening program conducted in Blumenau, Santa Catarina. Two retina specialists independently assessed image's quality. A comparison was performed between both devices regarding image quality and the presence of artifacts. RESULTS: The analysis included 129 patients (mean age of 61 years), with 29 (43.28%) male and an average disease duration of 11.1 ± 8 years. In Ardoc, 21 (16.28%) images were classified as poor quality, with 88 (68%) presenting artifacts; in Eyer, 4 (3.1%) images were classified as poor quality, with 94 (72.87%) presenting artifacts. CONCLUSIONS: Although both Eyer and AirDoc devices show potential as screening tools, the AirDoc images displayed higher rates of ungradable and low-quality images, that may directly affect the DR and DME grading. We must acknowledge the limitations of our study, including the relatively small sample size. Therefore, the interpretations of our analyses should be approached with caution, and further investigations with larger patient cohorts are warranted to validate our findings.

19.
PeerJ ; 12: e17481, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38881857

RESUMEN

Background: COVID-19 is an infectious pathology that shows vascular changes during pregnancy, as well as in the placentas. The main objectives of this study were to estimate the prevalence and the risk factors for preeclampsia in hospitalized pregnant women with COVID-19. As well as comparing maternal and perinatal outcomes in hospitalized pregnant women with COVID-19 and preeclampsia with those without preeclampsia. Methods: Prospective cohort study of 100 hospitalized pregnant women from two tertiary hospitals, diagnosed with COVID-19, and divided into two groups: PE+ group (pregnant women with COVID-19 and preeclampsia) and PE- group (pregnant women with COVID-19 without preeclampsia). These pregnant women had prevalence, risk factors, maternal and perinatal data analyzed. Results: The prevalence of preeclampsia was 11%. Severe COVID-19 was the main risk factor for preeclampsia (OR = 8.18 [CI 1.53-43.52]), as well as fetal growth restriction was the main perinatal outcome (OR = 8.90 [CI 1.52-38.4]). Comorbidities were more frequent in the PE+ group (63.6% vs 31.5%, p = 0.03), as well as prematurity (81.8% vs 41.6%, p = 0.02), low birth weight (63.6% vs 24.7%, p = 0.01), and the need for neonatal intensive care admission of the newborn (63.6% vs 27.0%, p = 0.03). Pregnant women with PE had twice as long a length of stay in the intensive care unit (RR = 2.35 [CI 1.34-4.14]). Although maternal mortality was more frequent among pregnant women with PE, it was not statistically significant. Conclusions: Prevalence of preeclampsia in hospitalized pregnant women with COVID-19 was 11%. Severe COVID-19 was the main risk factor for preeclampsia and associated comorbidities increased the risk for developing preeclampsia. Long length of stay in the intensive care unit was the main maternal outcome and fetal growth restriction was the main perinatal outcome of preeclampsia.


Asunto(s)
COVID-19 , Preeclampsia , Complicaciones Infecciosas del Embarazo , Resultado del Embarazo , SARS-CoV-2 , Centros de Atención Terciaria , Humanos , Embarazo , Femenino , Preeclampsia/epidemiología , COVID-19/epidemiología , COVID-19/mortalidad , Brasil/epidemiología , Estudios Prospectivos , Adulto , Complicaciones Infecciosas del Embarazo/epidemiología , Complicaciones Infecciosas del Embarazo/virología , Factores de Riesgo , Resultado del Embarazo/epidemiología , Prevalencia , Recién Nacido , Retardo del Crecimiento Fetal/epidemiología , Retardo del Crecimiento Fetal/virología , Comorbilidad
20.
Rev Bras Epidemiol ; 27: e240018, 2024.
Artículo en Inglés, Portugués | MEDLINE | ID: mdl-38695431

RESUMEN

OBJECTIVE: To assess the social, metabolic, and lifestyle determinants of consumption of fruits, vegetables, and greens (FVG) and ultra-processed food (ULT) in adults from Pernambuco. METHODS: Cross-sectional and analytical study, conducted in 2015/2016. In addition to sociodemographic variables, the determinants of lifestyle were level of physical activity, alcohol consumption, tobacco use, and metabolic variables were self-reported hypertension, blood glucose, and Body Mass Index (BMI). Consumption was measured by the Food Frequency Questionnaire, then created the Frequency of Consumption Index (SFI) of the mean intake of ULT and FVG foods. The indices of FVG and ULT consumption were transformed into quartiles and these variables were included in the multinomial logistic regression, considering their determinants when p<0.05. RESULTS: The sample was representative of the state, with 1,067 people being interviewed, whose intake of ULT was higher than that of FVG in the lowest and highest quartile of the consumption index. Consumption of fruit and vegetables was higher in higher consumption of alcoholic beverages (p=0.031) and BMI>25 kg/m2 (p=0.047); and lower in the lowest income (p=0.001). ULT intake was higher in young adults (p=0.005), lower income (p=0.044), and controlled blood glucose (p=0.021). Rural areas were 52% less exposed to medium-high ULT consumption (p<0.006). CONCLUSION: Higher rate of ULT consumption in relation to fresh foods, with income as a common determinant, inversely associated with ULT intake and directly related to FVG, which demands structuring policies.


Asunto(s)
Alimentos Procesados , Estilo de Vida , Factores Socioeconómicos , Adolescente , Adulto , Anciano , Femenino , Humanos , Masculino , Persona de Mediana Edad , Adulto Joven , Consumo de Bebidas Alcohólicas/epidemiología , Índice de Masa Corporal , Brasil , Estudios Transversales , Dieta/estadística & datos numéricos , Conducta Alimentaria , Frutas , Factores Sociodemográficos , Verduras
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