Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 59
Filtrar
1.
Biomedica ; 44(1): 80-91, 2024 03 31.
Artigo em Inglês, Espanhol | MEDLINE | ID: mdl-38648349

RESUMO

INTRODUCTION: The multifactorial etiology of gastroenteritis emphasizes the need for different laboratory methods to identify or exclude infectious agents and evaluate the severity of diarrheal disease. OBJECTIVE: To diagnose the infectious etiology in diarrheic children and to evaluate some fecal markers associated with intestinal integrity. MATERIALS AND METHODS: The study group comprised 45 children with diarrheal disease, tested for enteropathogens and malabsorption markers, and 76 children whose feces were used for fat evaluation by the traditional and acid steatocrit tests. RESULTS: We observed acute diarrhea in 80% of the children and persistent diarrhea in 20%. Of the diarrheic individuals analyzed, 40% were positive for enteropathogens, with rotavirus (13.3%) and Giardia duodenalis (11.1%) the most frequently diagnosed. Among the infected patients, occult blood was more evident in those carrying pathogenic bacteria (40%) and enteroviruses (40%), while steatorrhea was observed in infections by the protozoa G. duodenalis (35.7%). Children with diarrhea excreted significantly more lipids in feces than non-diarrheic children, as determined by the traditional (p<0.0003) and acid steatocrit (p<0.0001) methods. Moreover, the acid steatocrit method detected 16.7% more fecal fat than the traditional method. CONCLUSIONS: Childhood diarrhea can lead to increasingly severe nutrient deficiencies. Steatorrhea is the hallmark of malabsorption, and a stool test, such as the acid steatocrit, can be routinely used as a laboratory tool for the semi-quantitative evaluation of fat malabsorption in diarrheic children.


Introducción. La etiología multifactorial de la gastroenteritis enfatiza la necesidad de usar diferentes métodos de laboratorio para identificar o excluir agentes infecciosos y evaluar la gravedad de la enfermedad diarreica. Objetivo. Diagnosticar la etiología infecciosa de la diarrea en niños y evaluar algunos marcadores fecales asociados con la integridad intestinal. Materiales y métodos. Se estudiaron 45 niños con enfermedad diarreica, en los cuales se evaluaron la presencia de enteropatógenos y los marcadores de malabsorción. Se analizaron las muestras fecales de 76 niños, mediante las pruebas de esteatocrito tradicional y esteatocrito ácido, para la cuantificación de la grasa. Resultados. Se observó diarrea aguda en el 80 % de los niños y diarrea persistente en el 20 %. De los individuos con diarrea, el 40 % fue positivo para enteropatógenos; los más diagnosticados fueron rotavirus (13,3 %) y Giardia duodenalis (11,1 %). Entre los pacientes infectados, la sangre oculta fue más evidente en aquellos portadores de bacterias patógenas (40 %) o enterovirus (40%), mientras que la esteatorrea se observó en infecciones por el protozoo G. duodenalis (35,7 %). Los niños con diarrea excretaron significativamente más lípidos en las heces que aquellos sin diarrea, según lo determinado por los métodos de esteatocrito tradicional (p<0,0003) y esteatocrito ácido (p<0,0001). Conclusiones. La diarrea infantil puede provocar deficiencias graves de nutrientes. La esteatorrea es distintiva de la malabsorción intestinal y puede detectarse mediante la estimación del esteatocrito ácido. Esta prueba podría utilizarse de forma rutinaria como una herramienta de laboratorio para la evaluación semicuantitativa de la malabsorción de grasas en niños con diarrea.


Assuntos
Diarreia , Fezes , Síndromes de Malabsorção , Humanos , Diarreia/parasitologia , Diarreia/etiologia , Diarreia/microbiologia , Fezes/parasitologia , Pré-Escolar , Lactente , Síndromes de Malabsorção/complicações , Síndromes de Malabsorção/etiologia , Masculino , Feminino , Criança , Giardíase/complicações , Esteatorreia/etiologia , Gastroenterite/complicações , Gastroenterite/parasitologia , Gastroenterite/microbiologia , Sangue Oculto
2.
Braz J Infect Dis ; 28(1): 103705, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38065221

RESUMO

BACKGROUND: The COVID-19 pandemic has triggered crises in the public health sector that have complex and multifaceted interrelationships with antimicrobial resistance. It is important to evaluate the impact of COVID-19 on microbiological profile, antibiotic and alcohol gel consumption in Intensive Care Units (ICU). METHODS: This is a retrospective study undertaken in an infectious disease hospital located in Bahia/Brazil during three periods: from March 2019 to February 2020; from March 2020 to February 2021; and from March 2021 to February 2022. It was evaluated the incidence density of Candida spp and of multidrug-resistant Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species (ESKAPE group) in blood, urine and tracheal secretion isolated 48 h after the patient's admission to the ICU, as well as the use of alcohol gel (in milliliters) and consumption of antibiotics in Defined Daily Dose (DDD) per 1,000 ICU patient-days in the previous year and in the first two years of COVID-19 pandemic. RESULTS: There was an increase in Candida spp. (5.81, p < 0.001, IRR = 10.47, 95 % CI 2.57‒42.62) and in carbapenem-resistant A. baumannii in clinical cultures (4.71, p < 0.001, IRR = 8.46, 95 % CI 2.07‒34.60), the latter mainly in tracheal secretions (3.18, p= 0.02, IRR = 11.47, 95 % CI 1.58‒83.39). A rise in the consumption of ceftriaxone and piperacillin-tazobactam, along with an increase in the utilization of alcohol gel were observed. CONCLUSION: The shifting microbiological profile can be attributed to both the unique characteristics of patients with COVID-19 and the adjustments made to healthcare facilities' structural and work routines. Understanding these changes is essential in addressing the accelerated impact of antimicrobial resistance during the pandemic. Therefore, conducting thorough reviews of institutional practices and routines becomes critical in mitigating the consequences of antimicrobial resistance and its implications for patient care.


Assuntos
COVID-19 , Doenças Transmissíveis , Infecção Hospitalar , Humanos , Antibacterianos/farmacologia , Antibacterianos/uso terapêutico , Estudos Retrospectivos , Brasil/epidemiologia , Infecção Hospitalar/microbiologia , Pandemias , Doenças Transmissíveis/tratamento farmacológico , Hospitais , Unidades de Terapia Intensiva
3.
Braz. j. infect. dis ; 28(1): 103705, 2024. tab
Artigo em Inglês | LILACS-Express | LILACS | ID: biblio-1550143

RESUMO

Abstract Background The COVID-19 pandemic has triggered crises in the public health sector that have complex and multifaceted interrelationships with antimicrobial resistance. It is important to evaluate the impact of COVID-19 on microbiological profile, antibiotic and alcohol gel consumption in Intensive Care Units (ICU). Methods This is a retrospective study undertaken in an infectious disease hospital located in Bahia/Brazil during three periods: from March 2019 to February 2020; from March 2020 to February 2021; and from March 2021 to February 2022. It was evaluated the incidence density of Candida spp and of multidrug-resistant Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species (ESKAPE group) in blood, urine and tracheal secretion isolated 48 h after the patient's admission to the ICU, as well as the use of alcohol gel (in milliliters) and consumption of antibiotics in Defined Daily Dose (DDD) per 1,000 ICU patient-days in the previous year and in the first two years of COVID-19 pandemic. Results There was an increase in Candida spp. (5.81, p < 0.001, IRR = 10.47, 95 % CI 2.57‒42.62) and in carbapenem-resistant A. baumannii in clinical cultures (4.71, p < 0.001, IRR = 8.46, 95 % CI 2.07‒34.60), the latter mainly in tracheal secretions (3.18, p =0.02, IRR = 11.47, 95 % CI 1.58‒83.39). A rise in the consumption of ceftriaxone and piperacillin-tazobactam, along with an increase in the utilization of alcohol gel were observed. Conclusion The shifting microbiological profile can be attributed to both the unique characteristics of patients with COVID-19 and the adjustments made to healthcare facilities' structural and work routines. Understanding these changes is essential in addressing the accelerated impact of antimicrobial resistance during the pandemic. Therefore, conducting thorough reviews of institutional practices and routines becomes critical in mitigating the consequences of antimicrobial resistance and its implications for patient care.

4.
Fitoterapia ; 168: 105489, 2023 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-36990289

RESUMO

Rutaceae is a family expressed by approximately 2100 species distributed in 154 genera widespread in tropical and temperate regions of Australasia, America, and South Africa. Substantial species of this family are employed as folk medicines. The literature describes the Rutaceae family as a great source of natural and bioactive compounds like terpenoids, flavonoids, and, especially, coumarins. To data, 655 coumarins were isolated and identified from Rutaceae in the past twelve years and, most of them, showed different biological and pharmacological activities. There are studies with coumarins from Rutaceae indicating that these compounds showed activity against cancer, inflammation, infectious diseases, and in the treatment of endocrinal and gastrointestinal conditions. Although coumarins are considered versatile bioactive molecules, until the present, there is no compiled information about coumarins from the Rutaceae family demonstrating the potency of these compounds in all dimensions and chemical similarities among the genera. The present review covers the relevant studies dealing with isolation of Rutaceae coumarins from 2010 until 2022 and outlines the current data on pharmacological activities these coumpounds. Additionally, the chemical disposition and similarity among Rutaceae genera are also statistically discussed employing PCA and HCA methods.


Assuntos
Cumarínicos , Rutaceae , Rutaceae/química , Estrutura Molecular , Extratos Vegetais/farmacologia , Extratos Vegetais/química , Flavonoides
5.
Braz J Microbiol ; 54(1): 37-52, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-36576671

RESUMO

Biofilms are communities of microbial cells surrounded by an extracellular polysaccharide matrix, recognized as a fungal source for local and systemic infections and less susceptible to antifungal drugs. Thus, treatment of biofilm-related Candida spp. infections with popular antifungals such as fluconazole is limited and species-dependent and alternatively demands the use of expensive and high toxic drugs. In this sense, molecules with antibiofilm activity have been studied but without care regarding the use of important criteria such as antibiofilm concentration lower than antifungal concentration when considering the process of inhibition of formation and concentrations equal to or lower than 300 µM. Therefore, this review tries to gather the most promising molecules regarding the activity against the C. albicans biofilm described in the last 10 years, considering the activity of inhibition and eradication. From January 2011 to July 2021, articles were searched on Scopus, PubMed, and Science Direct, combining the keywords "antibiofilm," "candida albicans," "compound," and "molecule" with AND and OR operators. After 3 phases of selection, 21 articles describing 42 molecules were discussed in the review. Most of them were more promising for the inhibition of biofilm formation, with SM21 (24) being an interesting molecule for presenting inhibitory and eradication activity in biofilms with 24 and 48 h, as well as alizarin (26) and chrysazine (27), with concentrations well below the antifungal concentration. Despite the detection of these molecules and the attempts to determine the mechanisms of action by microscopic analysis and gene expression, no specific target has been determined. Thus, a gap is signaled, requiring further studies such as proteomic analyses to clarify it.


Assuntos
Candida albicans , Candidíase , Antifúngicos/farmacologia , Proteômica , Fluconazol/farmacologia , Candidíase/microbiologia , Biofilmes , Testes de Sensibilidade Microbiana
6.
Reumatologia ; 60(5): 311-317, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36381208

RESUMO

Introduction: Pregnancy in patients with autoimmune disorders is associated with an increased risk of adverse outcomes. Sjögren's syndrome (SS) is one of the most common among autoimmune diseases. Presently data regarding the impact of SS on obstetric outcomes are scarce and inconclusive. This study aims to evaluate the impact of SS on maternal-fetal and neonatal outcomes compared with pregnancy outcomes in the general population. Material and methods: A retrospective case-control study included 26 pregnancies in SS patients and a healthy control group (CG), followed in a Portuguese tertiary center, between 2015 and 2020. Baseline maternal data were collected, and maternal-fetal and neonatal outcomes were evaluated. Statistical analysis used SPSS 25.0, and a p-value of 0.05 was considered statistically significant. Results: All pregnancies occurred after the diagnosis of SS, with a mean exposure time between diagnosis and pregnancy of 4.92 ±2.78 years. In the SS group, the incidence of ANA, anti-Ro/SSA, and anti-La/SSB antibodies positivity was 80.8%, 61.5%, and 46.2%, respectively. Hydroxychloroquine (HCQ) was used in 57.7%.Miscarriage was significantly higher in the SS group (19.2% vs. 1.8%, p < 0.01). There was a higher prevalence of fetal growth restriction (OR 11.16, 95% CI: 0.96-129.26). Preterm delivery (9.5% vs. 5.6%, p = 0.503) and mean birth weight (2998.16 g vs. 3155.79 g, p = 0.178) did not differ significantly between the groups. In the SS group, admission to the neonatal intensive care unit (NICU) rate was increased (OR 71.67, 95% CI: 3.78-1357.16). Three pregnancies were complicated by congenital heart block (CHB) (14.3% vs. 0%, p = 0.015). In all cases, the diagnosis was performed during second trimester of pregnancy, and betamethasone was administered. Conclusions: Women with SS had a significantly higher incidence of miscarriage, admission to NICU, and CHB than controls. Congenital heart block was the most critical condition that affects the offspring of mothers with SS. Successful pregnancy in the study group was possible with prenatal monitoring and a multidisciplinary approach.

7.
J Matern Fetal Neonatal Med ; 35(26): 10355-10361, 2022 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-36216351

RESUMO

OBJECTIVES: This study aimed to evaluate maternal and perinatal outcomes in pregnancies after kidney transplant (KT) and the impact of pregnancy on graft function. METHODS: A descriptive and retrospective case-control study included 43 pregnancies in women after KT, followed in our institution, from January 1991 to December 2019. The control group included 200 non-transplanted pregnant women. Statistical analysis used SPSS 25.0 (SPSS Inc., Chicago, IL), and a p value of .05 was considered statistically significant. RESULTS: We studied 43 pregnancies in 37 KT women. The live birth rate of KT pregnant was 81.4%. The mean interval between transplantation and pregnancy was 4.6 years (range 1-16). We found a higher rate of obstetric complications in pregnancies after KT: miscarriage (14.0%, OR 6.7 (2.0-22.1), p < .001), preeclampsia (31.4%, OR 25.7 (7.7-85.3), p < .001), and fetal growth restriction (37.1%, OR 37.6 (9.9-142.3), p < .001). The rate of urogenital infections and anemia during pregnancy was higher in the KT group (p < .001). The gestational age at delivery was 35.0 ± 2.8 weeks and premature delivery was observed in 24 (68.6%) cases. The cesarean rate was higher in the KT group (p < .001). In the KT group, there were two neonatal deaths due to prematurity complications. Renal function deterioration, measured by serum creatinine levels, was observed in two pregnancies. Immunosuppressive therapy was used in all pregnancies after KT, and dosage escalation of immunosuppressive therapy was necessary for 69.8%. CONCLUSIONS: A higher rate of adverse obstetric outcomes was found in KT pregnant. Kidney function remained stable in most pregnancies. An antenatal and postpartum multidisciplinary approach is essential to improve outcomes and minimization of complications.


Assuntos
Transplante de Rim , Complicações na Gravidez , Recém-Nascido , Gravidez , Feminino , Humanos , Resultado da Gravidez/epidemiologia , Complicações na Gravidez/epidemiologia , Complicações na Gravidez/etiologia , Estudos Retrospectivos , Estudos de Casos e Controles , Transplante de Rim/efeitos adversos , Rim
8.
PLoS One ; 17(9): e0269873, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36129880

RESUMO

The Iberian ibex is one of the most singular species of the Iberian Peninsula. Throughout the years, this species suffered several threats which led the population to its decline. Many reintroductions and translocations were made, however, none of those actions took into account the genetic patterns of both reintroduced individuals and the target populations. In this paper, we explored the genetic traits of three populations of Iberian ibex in Catalonia, which experienced blind reintroductions in past years: The populations of Iberian ibex from Els Ports de Tortosa i Beseit National Game Reserve (TBNGR), Montserrat Natural Park (Monserrat) and Montgrí, les Illes Medes i el Baix Ter Natural Park (Montgrí) Based on the genetic patterns of the three populations coupled with the absence of genetic introgression with domestic goats-inferred using mitochondrial and nuclear markers-we propose that these should be regarded as two different management units: TBNGR coupled with Montserrat, and Montgrí. Montserrat population should be targeted as a population model for ecology and evolution studies. Although we did not detect evidences of recent bottleneck events, this population seems to be monomorphic for the mtDNA haplotype. Our results suggest that the blind reintroductions from TBNGR to Montserrat failed on maximizing the genetic diversity of the latter. We enhance the importance of genetic monitoring of both the source population and the selected individuals to be re-introduced. We conclude that the three studied population of Iberian ibex must be monitored to explore which strategy would be advantageous for maintaining the genetic diversity. On the other hand, TBNGR should be monitored to assess the existence of its singular genetic variation, where stochastic events could preserve this lost genetic variation.


Assuntos
DNA Mitocondrial , Cabras , Animais , DNA Mitocondrial/genética , Cabras/genética , Espanha/epidemiologia , Índias Ocidentais
9.
Curr Cardiol Rev ; 18(5): 80-91, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35430980

RESUMO

Endothelial dysfunction, impaired implantation and placental insufficiency have been identified as mechanisms behind the development of pre-eclampsia, resulting in angiogenic factors' alteration. Angiogenic imbalance is also associated with congenital heart defects, and this common physiologic pathway may explain the association between them and pre-eclampsia. This review aims to understand the physiology shared by these two entities and whether women with pre-eclampsia have an increased risk of fetal congenital heart defects (or the opposite). The present research has highlighted multiple vasculogenic pathways associated with heart defects and preeclampsia, but also epigenetic and environmental factors, contributing both. It is also known that fetuses with a prenatal diagnosis of congenital heart disease have an increased risk of several comorbidities, including intrauterine growth restriction. Moreover, the impact of pre-eclampsia goes beyond pregnancy as it increases the risk for following pregnancies and for diseases later in life in both offspring and mothers. Given the morbidity and mortality associated with these conditions, it is of foremost importance to understand how they are related and its causative mechanisms. This knowledge may allow earlier diagnosis, an adequate surveillance or even the implementation of preventive strategies.


Assuntos
Cardiopatias Congênitas , Pré-Eclâmpsia , Feminino , Retardo do Crescimento Fetal/epidemiologia , Retardo do Crescimento Fetal/etiologia , Retardo do Crescimento Fetal/metabolismo , Cardiopatias Congênitas/complicações , Cardiopatias Congênitas/epidemiologia , Humanos , Placenta/metabolismo , Pré-Eclâmpsia/diagnóstico , Pré-Eclâmpsia/metabolismo , Gravidez
10.
Int J Public Health ; 67: 1604608, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35356264

RESUMO

Objectives: This study examined the trajectory of perinatal depressive symptoms in Portuguese women during the COVID-19 pandemic and the role of individual, relational, and contextual risk and protective factors. Methods: This 3-wave longitudinal study followed 290 pregnant women from the third trimester of pregnancy until 6-months postpartum. Women self-reported on depressive symptoms, psychological (anxiety, perceived stress, mindfulness), relational (perceived social support, dyadic adjustment, sexual wellbeing), and contextual (lockdown status) factors. Results: Women who were under strict lockdown presented significantly higher scores of depressive symptoms at baseline (by 1.38 EPDS points) than women who were not under strict lockdown measures. Mixed Growth Models showed that trajectories of depressive symptoms were explained by differences in women's baseline depression. Differences in women's depressive symptoms at baseline were mainly explained by higher anxiety and lower social support (22% and 24% for women under lockdown; 39% and 6% for women not on lockdown, respectively). Conclusion: Preventative interventions targeted at pregnant women should aim to reduce anxiety and enhance women's social support to prevent depression in pregnancy and postpartum during the COVID-19 pandemic.


Assuntos
COVID-19 , Depressão , COVID-19/epidemiologia , Controle de Doenças Transmissíveis , Depressão/epidemiologia , Depressão/psicologia , Feminino , Humanos , Estudos Longitudinais , Pandemias , Gravidez , Apoio Social
11.
Ecology ; 103(6): e3654, 2022 06.
Artigo em Inglês | MEDLINE | ID: mdl-35132618

RESUMO

Mammals are threatened worldwide, with ~26% of all species being included in the IUCN threatened categories. This overall pattern is primarily associated with habitat loss or degradation, and human persecution for terrestrial mammals, and pollution, open net fishing, climate change, and prey depletion for marine mammals. Mammals play a key role in maintaining ecosystems functionality and resilience, and therefore information on their distribution is crucial to delineate and support conservation actions. MAMMALS IN PORTUGAL is a publicly available data set compiling unpublished georeferenced occurrence records of 92 terrestrial, volant, and marine mammals in mainland Portugal and archipelagos of the Azores and Madeira that includes 105,026 data entries between 1873 and 2021 (72% of the data occurring in 2000 and 2021). The methods used to collect the data were: live observations/captures (43%), sign surveys (35%), camera trapping (16%), bioacoustics surveys (4%) and radiotracking, and inquiries that represent less than 1% of the records. The data set includes 13 types of records: (1) burrows | soil mounds | tunnel, (2) capture, (3) colony, (4) dead animal | hair | skulls | jaws, (5) genetic confirmation, (6) inquiries, (7) observation of live animal (8), observation in shelters, (9) photo trapping | video, (10) predators diet | pellets | pine cones/nuts, (11) scat | track | ditch, (12) telemetry and (13) vocalization | echolocation. The spatial uncertainty of most records ranges between 0 and 100 m (76%). Rodentia (n =31,573) has the highest number of records followed by Chiroptera (n = 18,857), Carnivora (n = 18,594), Lagomorpha (n = 17,496), Cetartiodactyla (n = 11,568) and Eulipotyphla (n = 7008). The data set includes records of species classified by the IUCN as threatened (e.g., Oryctolagus cuniculus [n = 12,159], Monachus monachus [n = 1,512], and Lynx pardinus [n = 197]). We believe that this data set may stimulate the publication of other European countries data sets that would certainly contribute to ecology and conservation-related research, and therefore assisting on the development of more accurate and tailored conservation management strategies for each species. There are no copyright restrictions; please cite this data paper when the data are used in publications.


Assuntos
Carnívoros , Ecossistema , Animais , Mudança Climática , Mamíferos , Portugal , Coelhos , Roedores
12.
Clin Rev Allergy Immunol ; 62(2): 324-332, 2022 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-34519994

RESUMO

Pregnancy in systemic lupus erythematosus (SLE) patients is associated with an increased risk of adverse outcomes. During pregnancy, SLE patients have a higher rate of miscarriage, stillbirth, preterm delivery, fetal growth restriction, or hypertensive disorders of pregnancy. To date, only a few case-control studies were published with the purpose to evaluate the magnitude of risk associated with pregnancy in lupus patients. The aim of our study was to evaluate the maternal and fetal outcomes in a cohort of Portuguese SLE patients and to compare it with a group of healthy pregnant women. We conducted a retrospective case-control study that included all pregnant women with SLE managed at a Portuguese tertiary center, between 2010 and 2019. Pregnancy outcomes were compared between SLE patients and a group of matched healthy pregnant women. Baseline maternal data was collected, and maternal-fetal and neonatal outcomes were evaluated. One hundred twenty-four SLE pregnancies were included. Of the patients, 95.2% were in remission at conception. In 13.7% of cases, a lupus flare was diagnosed during gestation and in 17.9% in the postpartum period. The live birth rate was 84.6%, and the incidence of adverse outcomes was 40.3% (OR 2.64, 95% CI 1.67-4.18). Considering only patients in remission at conception, the presence of adverse outcomes remained significantly higher (36.8% vs. 20.3%, P < 0.01). Miscarriage rate was 15.3% (OR 5.85, 95% CI 2.57-13.34) and preterm delivery occurred in 12.4% of the patients (OR 1.72, 95% CI 0.83-3.57). Preeclampsia prevalence was higher in SLE patients (OR 3.92, 95% CI 1.32-11.57). In the SLE group, the newborn admission to an intensive care unit rate was increased (OR 4.99, 95% CI 1.47-16.90). No neonatal or maternal deaths were reported. In our study, pregnancy with SLE was associated with an increased incidence of adverse outcomes, even in a population of SLE patients with well-controlled disease.


Assuntos
Aborto Espontâneo , Lúpus Eritematoso Sistêmico , Complicações na Gravidez , Nascimento Prematuro , Aborto Espontâneo/epidemiologia , Estudos de Casos e Controles , Feminino , Humanos , Recém-Nascido , Lúpus Eritematoso Sistêmico/diagnóstico , Portugal/epidemiologia , Gravidez , Complicações na Gravidez/epidemiologia , Resultado da Gravidez/epidemiologia , Nascimento Prematuro/epidemiologia , Estudos Retrospectivos , Exacerbação dos Sintomas
13.
J Sex Res ; 59(2): 160-172, 2022 02.
Artigo em Inglês | MEDLINE | ID: mdl-34197722

RESUMO

Despite sexual activity being safe for the majority of expectant couples (i.e., the pregnant individual and their partner), negative attitudes toward having sex during pregnancy are common and are related to lower sexual well-being across this vulnerable life period. Using dyadic response surface analysis in a sample of 254 first-time expectant couples, we examined the degree to which expectant partners demonstrated similar versus dissimilar attitudes to sex during pregnancy and whether specific patterns of couples' similarity in attitudes may uniquely contribute to their sexual satisfaction and sexual distress. Couples' more positive attitudes (i.e., the more both partners perceived sexual activity as non-threatening to their pregnancy), rather than partners' similarity in attitudes, were associated with lower sexual distress for both partners and higher sexual satisfaction for male partners. In couples where partners held more dissimilar attitudes, men demonstrated greater distress when their female partner's attitudes were more positive than their own. To promote sexual well-being during pregnancy, interventions should assist couples to attain stronger positive attitudes to sex during pregnancy by targeting concerns about sex in both expectant partners.


Assuntos
Comportamento Sexual , Parceiros Sexuais , Atitude , Feminino , Humanos , Masculino , Orgasmo , Gravidez
14.
Yale J Biol Med ; 94(4): 585-592, 2021 12.
Artigo em Inglês | MEDLINE | ID: mdl-34970095

RESUMO

Background: Behçet's disease (BD) is a rare chronic multisystemic vasculitis of unknown etiology. It is usually diagnosed between the 2nd and 4th decades of life, so its association with pregnancy is not unusual. This study aims to characterize the evolution of pregnancy in a group of pregnant women with BD and the impact of this pathology in embryo-fetal morbidity. Methods: A retrospective case-control study included 49 pregnancies in women suffering from BD, followed in our institution. Pregnancy outcomes were compared with a control group of healthy pregnant women. Two controls per case were randomly selected. Statistical analysis used SPSS 25.0, and a p-value of 0.05 was considered statistically significant. Results: Forty-nine pregnancies were included in 27 patients with BD. BD exacerbation occurred in 32.6% of the pregnancies. There were no significant statistical differences between the two groups regarding the rate of preterm delivery, gestational diabetes, and preeclampsia (p>0.05). In the BD group, we found a higher rate of miscarriage (24.5%) and fetal growth restriction (FGR, 13.3%, p<0.05). In the study group, 13 (32.5%) of the pregnant patients did not need treatment. The cesarean rate was significantly higher in the BD group (43.2% vs 20.4% in the control group, p<0.05), and there were no significant differences in median gestational age at the time of delivery (p>0.05). The birth weight of newborns did not differ significantly between the groups. There was no association of BD with maternal morbidity and neonatal complications. Conclusion: In this study, the majority of pregnant with BD did not present clinical exacerbation of their pathology. However, BD may have an adverse influence on pregnancy outcomes. FGR and miscarriage rates were significantly higher in the study group.


Assuntos
Síndrome de Behçet , Síndrome de Behçet/epidemiologia , Estudos de Casos e Controles , Feminino , Idade Gestacional , Humanos , Recém-Nascido , Gravidez , Resultado da Gravidez , Estudos Retrospectivos
15.
Lupus ; 30(13): 2165-2175, 2021 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-34693803

RESUMO

OBJECTIVE: Systemic lupus erythematosus (SLE) is a life-threatening disorder that affects women at reproductive age. We evaluate the clinical impact of pregnancy in a cohort of Portuguese SLE patients and the risk factors associated with maternal and fetal adverse outcomes. METHODS: A retrospective observational study that included all pregnant women with SLE managed at a Portuguese tertiary hospital, between January 1993 and December 2019. Baseline maternal information was collected, and maternal-fetal and neonatal outcomes were evaluated. Disease activity before and during pregnancy was assessed. RESULTS: We included 215 pregnancies from 143 patients. Lupus nephritis was present in 20.0% and antiphospholipid syndrome (APS) in 21.9% of the cases. Preconception consultation was performed in 86.9% of the pregnancies, and 92.5% of the patients had no or low disease activity at conception. During gestation, 79.6% of the patients were under treatment, and hydroxychloroquine (HCQ) was the most commonly used drug (63.7%). Low-dose acetylsalicylic acid (ASA) was prescribed at conception in 87.9% of the patients. The live birth rate was 84.2%. An adverse pregnancy outcome (APO) occurred in 41.4% of the pregnancies. A miscarriage rate of 15.3% and a preterm delivery rate of 15.4% were found. Preeclampsia and fetal growth restriction complicated 13.1% and 14.0% of the gestations, respectively. Neonatal lupus occurred in 7.1% of the newborns, and there were 2 cases of congenital heart block. Significant risk factors for the development of AOP were disease activity at conception, lupus flare, hypocomplementemia, positivity for lupus anticoagulant, and APS. The use of ASA was significantly associated with a reduced incidence of miscarriage. An SLE flare was diagnosed in 16.3% of the cases. We identified as risk factors for lupus flares the presence of active disease at conception, a previous history of lupus nephritis, and the use of chronic medication. HCQ use during pregnancy was associated with a significant reduction of flare incidence during pregnancy and postpartum. CONCLUSIONS: Pregnancy in an SLE patient is associated with an increased incidence of adverse obstetric outcomes. Good disease control before pregnancy and adequate treatment, especially with HCQ, is crucial to achieving the best obstetric results.


Assuntos
Aborto Espontâneo , Síndrome Antifosfolipídica , Lúpus Eritematoso Sistêmico , Nefrite Lúpica , Complicações na Gravidez , Aborto Espontâneo/epidemiologia , Síndrome Antifosfolipídica/tratamento farmacológico , Síndrome Antifosfolipídica/epidemiologia , Feminino , Humanos , Hidroxicloroquina/uso terapêutico , Recém-Nascido , Lúpus Eritematoso Sistêmico/tratamento farmacológico , Lúpus Eritematoso Sistêmico/epidemiologia , Portugal/epidemiologia , Gravidez , Complicações na Gravidez/tratamento farmacológico , Complicações na Gravidez/epidemiologia , Resultado da Gravidez , Estudos Retrospectivos , Exacerbação dos Sintomas
16.
PLoS One ; 16(10): e0256432, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34644301

RESUMO

In a recent paper, we presented new evidence and provided new insights on the status of Cantabrian brown bear subpopulations, relevant for this species conservation. Namely, we revealed the likely phylogeographic relation between eastern Cantabrian subpopulation and the historical Pyrenean population. We have also detected an asymmetric flow of alleles and individuals from the eastern to the western subpopulation, including seven first-generation male migrants. Based on our results and on those of previous studies, we called the attention to the fact that Eastern Cantabrian brown bears might be taking advantage of increased connectivity to avoid higher human pressure and direct persecution in the areas occupied by the eastern Cantabrian subpopulation. In reply, Blanco et al (2020) [11] have criticized our ecological interpretation of the data presented in our paper. Namely, Blanco and co-authors criticize: (1) the use of the exodus concept in the title and discussion of the paper; (2) the apparent contradiction with source-sink theory; (3) the apparent overlooking of historical demographic data on Cantabrian brown bear and the use of the expression of population decline when referring to eastern subpopulation. Rather than contradicting the long and growing body of knowledge on the two brown bear subpopulations, the results presented in our paper allow a new perspective on the causes of the distinct pace of population growth of the two brown bear subpopulations in the last decades. Here, we reply to the criticisms by: clarifying our ecological interpretation of the results; refocusing the discussion on how the new genetic data suggest that currently, the flow of individuals and alleles is stronger westward, and how it may be linked to direct persecution and killing of brown bears. We provide detailed data on brown bear mortality in the Cantabrian Mountains and show that neither migration, gene flow, population increase nor mortality are balanced among the two subpopulations.


Assuntos
Migração Animal/fisiologia , Conservação dos Recursos Naturais , Ursidae/genética , Animais , DNA Mitocondrial/genética , Ecossistema , Feminino , Fluxo Gênico/genética , Masculino , Repetições de Microssatélites/genética , Dinâmica Populacional , Espanha
17.
Front Cell Infect Microbiol ; 11: 642658, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34277464

RESUMO

Cryptococcosis is an infectious disease of worldwide distribution, caused by encapsulated yeasts belonging to the phylum Basidiomycota. The genus Cryptococcus includes several species distributed around the world. The C. gattii/neoformans species complex is largely responsible for most cases of cryptococcosis. However, clinical series have been published of infections caused by Papiliotrema (Cryptococcus) laurentii and Naganishia albida (Cryptococcus albidus), among other related genera. Here, we examined the pathogenic potential and antifungal susceptibility of C. gattii/neoformans species complex (clades I and II) and related genera (Papiliotrema and Naganishia) isolated from environmental and clinical samples. P. laurentii (clade III), N. liquefasciens/N. albidosimilis (clade IV); and N. adeliensis/N. albida (clade V) strains produced higher levels of phospholipase and hemolysins, whereas the C. gattii/neoformans species complex strains (clades I and II) had markedly thicker capsules, produced more biofilm biomass and melanin, which are known virulence attributes. Interestingly, 40% of C. neoformans strains (clade II) had MICs above the ECV established for this species to amphotericin B. Several non-C. gattii/neoformans species complex (clades III to V) had MICs equal to or above the ECVs established for C. deuterogattii and C. neoformans for all the three antifungal drugs tested. Finally, all the non-C. gattii/neoformans clinical isolates (clades III to V) produced more melanin than the environmental isolates might reflect their particularly enhanced need for melanin during in vivo protection. It is very clear that C. gattii/neoformans species complex (clades I and II) strains, in general, show more similar virulence phenotypes between each other when compared to non-C. gattii/neoformans species complex (clades III to V) isolates. These observations together with the fact that P. laurentii and Naganishia spp. (clades III to V) strains were collected from the outside of a University Hospital, identify features of these yeasts important for environmental and patient colonization and furthermore, define mechanisms for infections with these uncommon pathogens.


Assuntos
Basidiomycota , Cryptococcus gattii , Cryptococcus neoformans , Antifúngicos/farmacologia , Humanos , Virulência , Fatores de Virulência
18.
Animals (Basel) ; 10(12)2020 Dec 17.
Artigo em Inglês | MEDLINE | ID: mdl-33348694

RESUMO

The roe deer (Capreolus capreolus) is native and widespread in Europe and its phylogeography has been clarified in the last decades. Southern peninsulas are considered as reservoirs of genetic diversity and the source for the recolonization of Europe after the last glacial maximum. Even though roe deer populations have been genetically characterized, there is a major knowledge gap about the populations at the western edge of its distribution. To fill this caveat, and based on mitochondrial and nuclear DNA data, we aim to: (i) characterize the genetic diversity and structure of roe deer in western Iberia; (ii) clarify the origins and phylogeographical affinities of these populations, namely the relict population from Peneda Gerês National Park (PNPG, Portugal) and the likely allochthonous populations from central and south (CS) Portugal; (iii) discuss the implications of our findings for the management and conservation of the roe deer. Three major genetic clusters were inferred based on nuclear genotypes and were structured in a similar way as the three major mtDNA clades present in Iberia. Patterns inferred with nuclear markers confirmed PNPG as a relict population. Roe deer from CS Portugal share haplotypes with Central Europe rather than with other western Iberian populations, confirming its mainly allochthonous origin. Our results highlight western Iberia as a diversity hotspot for roe deer. We highlight the role of intraspecific genetic diversity as a source of resilience against ongoing global changes; the need for transboundary management and the importance of genetic data to inform management and conservation. When considered, repopulation or translocation measures should follow the IUCN Law of Reintroductions and meticulously conducted in order to preserve the genetic heritage of the species.

19.
PLoS One ; 15(3): e0230433, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32231379

RESUMO

The Iberian wolf (Canis lupus signatus) is a top predator that inhabits the Iberian Peninsula. In Portugal, its numbers and distribution declined throughout the 20th century, due to human persecution, habitat degradation and prey decline, which have led to higher predation rates of livestock in the remaining packs. In Montesinho Natural Park (northeast Portugal), wild ungulate populations have been increasing in the last years, which may have led wolf to predate upon them. In order to assess Iberian wolf diet in this area, 85 wolf scats were collected from transects distributed throughout the study area in two periods between November 2017 and August 2019. Scat analysis indicated a high predation on wild ungulates, where the frequency of occurrence showed that roe deer was the most consumed prey (44%), followed by red deer (26%) and wild boar (24%). Domestic/wild cat (6%), domestic goat and stone marten (5%) were consumed in lower quantities. It was found a higher selection towards roe deer (D = 0.71) and this was the only prey item which was significantly dependent of the season of the year (χ2 = 16.95, df = 3, p < 0.001). This is the first study in Portugal where was recorded that wolves feed mainly on wild ungulates. We conclude that lower livestock predation may be correlated with higher wild ungulates densities in our study area, as well as suitable husbandry practices, leading to a shift on Iberian wolf diet from mainly livestock on previous studies to wild ungulates.


Assuntos
Espécies em Perigo de Extinção , Comportamento Predatório/fisiologia , Lobos/fisiologia , Animais , Cervos , Dieta , Ecossistema , Humanos , Gado , Densidade Demográfica , Estações do Ano , Sus scrofa
20.
PLoS One ; 15(1): e0227302, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32004321

RESUMO

Over the centuries, the geographical distribution of brown bear (Ursus arctos) across the Iberian Peninsula has been decreasing, with the species currently confined to North Iberia. The Cantabrian brown bear population is one of the smallest in Europe and is structured into two subpopulations, positioned along an east-west axis. Given the current critically endangered status of this population, it is essential to have a clear picture of its within-population genetic patterns and processes. We use a set of three molecular markers (mitochondrial DNA, autosomal microsatellites and sex markers) to clarify the genetic origins and assess the migration patterns and gene flow of the Cantabrian brown bear population. Our results reveal the presence of two different mitochondrial (matrilineal) haplotypes in the Cantabrian population, both belonging to European brown bear clade 1a. The two haplotypes are geographically structured between Eastern (haplotype CanE) and Western Cantabrian (haplotype CanW) subpopulations, which is consistent with the genetic structure previously identified using nuclear markers. Additionally, we show that CanE is closer to the historical Pyrenean (Pyr) haplotype than to CanW. Despite strong structuring at the levels of mtDNA and nuclear loci, there is evidence of bidirectional gene flow and admixture among subpopulations. Gene flow is asymmetrical and significantly more intense from the Eastern to the Western Cantabrian subpopulation. In fact, we only detected first generation male migrants from the Eastern to the Western Cantabrian subpopulation. These results suggest more intense migration from the smaller and more vulnerable Eastern Cantabrian subpopulation towards the larger and more stable Western Cantabrian subpopulation. These new insights are relevant for assessments of on-going conservation measures, namely the role of dispersal corridors and enhanced connectivity. We discuss the importance of complementary conservation measures, such as human-wildlife conflict mitigation and habitat improvement, for the conservation of a viable Cantabrian brown bear population.


Assuntos
Migração Animal , Espécies em Perigo de Extinção/tendências , Haplótipos , Dinâmica Populacional/tendências , Ursidae/genética , Animais , DNA Mitocondrial/genética , DNA Mitocondrial/isolamento & purificação , Feminino , Fluxo Gênico , Loci Gênicos , Masculino , Repetições de Microssatélites/genética , Espanha
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA
...