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1.
Public Health ; 211: 136-143, 2022 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-36113199

RESUMO

OBJECTIVES: This study was to compare the incidence and clinical outcomes of SARS-CoV-2 infection between Italian and non-Italian nationals. STUDY DESIGN: We retrospectively analysed data from the COVID-19 Italian integrated surveillance system (14 September 2020 to 17 October 2021). METHODS: We used multivariable Cox proportional hazards models to estimate the hazard ratio (HR) of infection and, among cases, the HRs of death, hospitalisation and subsequent admission to intensive care unit in non-Italian nationals relative to Italian nationals. Estimates were adjusted for differences in sociodemographic characteristics and in the week and region of diagnosis. RESULTS: Of 4,111,067 notified cases, 336,265 (8.2%) were non-Italian nationals. Compared with Italian nationals, non-Italians showed a lower incidence of SARS-CoV-2 infection (HR = 0.81, 95% confidence interval [CI]: 0.80-0.81). However, once diagnosed, they were more likely to be hospitalised (HR = 1.90, 95% CI: 1.87-1.92) and then admitted to intensive care unit (HR = 1.08, 95% CI: 1.04-1.13), with differences larger in those coming from countries with a lower human development index. Compared with Italian cases, an increased rate of death was observed in non-Italian cases from low-human development index countries (HR = 1.41, 95% CI: 1.23-1.62). The HRs of SARS-CoV-2 infection and severe outcomes slightly increased after the start of the vaccination campaign. CONCLUSIONS: Underdiagnosis and delayed diagnosis in non-Italian nationals could explain their lower incidence compared with Italians and, among cases, their higher probability to present clinical conditions leading to worse outcomes. Facilitating early access to vaccination, diagnosis and treatment would improve the control of SARS-CoV-2 transmission and health outcomes in this vulnerable group.


Assuntos
COVID-19 , COVID-19/epidemiologia , Hospitalização , Humanos , Incidência , Estudos Retrospectivos , SARS-CoV-2
2.
Rev Clin Esp ; 221(8): 464-467, 2021 Oct.
Artigo em Espanhol | MEDLINE | ID: mdl-33564196

RESUMO

COVID-19 has placed a significant burden on the healthcare system, making it necessary to implement new tools that allow patients to be monitored remotely and guarantee quality and continuity of care. The usefulness and acceptance by patients of a virtual caregiver designed for follow-up in the month following hospital discharge for COVID-19 are evaluated. The virtual assistant, based on voice and artificial intelligence technology, made telephone calls at 48 hours, seven days, 15 days, and 30 days after discharge and asked five questions about the patient's health. If the answer to any of the questions was affirmative, it generated an alert that was transferred to a healthcare professional One hundred patients were included in the project and 85 alerts were generated in 45 of the patients, most at one month after hospital discharge. The nursing staff resolved 94% of them by telephone. Patient satisfaction with the virtual caregiver was high.

3.
J Toxicol Environ Health A ; 82(9): 550-563, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31266404

RESUMO

The volatile organic compounds benzene, toluene, ethylbenzene, and xylene (BTEX) are emitted into the atmosphere at gas stations (GS) leading to chronic exposure of nearby residents, which raises public health concerns. This study aimes at determining the contribution of GS emissions to BTEX exposure in nearby residents. Three Control and Exposed areas to BTEX emissions from GS were defined in a medium-sized European city (Porto, Portugal). BTEX atmospheric levels were determined in Control and Exposed areas using passive samplers deployed outdoors (n = 48) and indoors (n = 36), and human exposure was estimated for 119 non-smoking residents using the first urine of the day. Results showed that median BTEX outdoor and indoor concentrations were significantly higher for Exposed than Control areas, with exception of ethylbenzene and xylene indoor concentrations, where no marked differences were found. Comparison of urinary concentrations between Exposed and Control residents demonstrated no significant differences for benzene and ethylbenzene, whereas levels of toluene and xylene were significantly higher in Exposed residents. No marked correlation was obtained between atmospheric BTEX concentrations and urinary concentrations. Data indicate the potential impact on air quality of BTEX emissions from GS, which confirms the importance of these findings in urban planning in order to minimize the impact on health and well-being of surrounding populations.


Assuntos
Poluentes Atmosféricos/análise , Monitoramento Ambiental , Petróleo/análise , Compostos Orgânicos Voláteis/análise , Adulto , Idoso , Idoso de 80 Anos ou mais , Monitoramento Biológico , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Portugal , Adulto Jovem
4.
J Neuroinflammation ; 15(1): 158, 2018 May 24.
Artigo em Inglês | MEDLINE | ID: mdl-29793509

RESUMO

BACKGROUND: Because of their low levels of expression and the inadequacy of current research tools, CB2 cannabinoid receptors (CB2R) have been difficult to study, particularly in the brain. This receptor is especially relevant in the context of neuroinflammation, so novel tools are needed to unveil its pathophysiological role(s). METHODS: We have generated a transgenic mouse model in which the expression of enhanced green fluorescent protein (EGFP) is under the control of the cnr2 gene promoter through the insertion of an Internal Ribosomal Entry Site followed by the EGFP coding region immediately 3' of the cnr2 gene and crossed these mice with mice expressing five familial Alzheimer's disease (AD) mutations (5xFAD). RESULTS: Expression of EGFP in control mice was below the level of detection in all regions of the central nervous system (CNS) that we examined. CB2R-dependent-EGFP expression was detected in the CNS of 3-month-old AD mice in areas of intense inflammation and amyloid deposition; expression was coincident with the appearance of plaques in the cortex, hippocampus, brain stem, and thalamus. The expression of EGFP increased as a function of plaque formation and subsequent microgliosis and was restricted to microglial cells located in close proximity to neuritic plaques. AD mice with CB2R deletion exhibited decreased neuritic plaques with no changes in IL1ß expression. CONCLUSIONS: Using a novel reporter mouse line, we found no evidence for CB2R expression in the healthy CNS but clear up-regulation in the context of amyloid-triggered neuroinflammation. Data from CB2R null mice indicate that they play a complex role in the response to plaque formation.


Assuntos
Doença de Alzheimer/patologia , Encéfalo/metabolismo , Regulação da Expressão Gênica/genética , Receptor CB2 de Canabinoide/metabolismo , Doença de Alzheimer/genética , Peptídeos beta-Amiloides/metabolismo , Análise de Variância , Animais , Encéfalo/patologia , Antígeno CD11b/metabolismo , Proteínas de Ligação ao Cálcio/metabolismo , Modelos Animais de Doenças , Citometria de Fluxo , Proteínas de Fluorescência Verde/genética , Proteínas de Fluorescência Verde/metabolismo , Camundongos , Camundongos Endogâmicos C57BL , Camundongos Transgênicos , Proteínas dos Microfilamentos/metabolismo , Fragmentos de Peptídeos/metabolismo , Fosfopiruvato Hidratase/metabolismo , Placa Amiloide/metabolismo , Placa Amiloide/patologia , Receptor CB2 de Canabinoide/genética
5.
Neurocase ; 24(5-6): 301-305, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30773994

RESUMO

Semantic variant primary progressive aphasia (svPPA) is a clinical syndrome included in the frontotemporal dementia (FTD) spectrum. Unlike other forms of FTD, it is sporadic in the majority of cases and not commonly associated with motor neuron disease (MND). We describe a case of svPPA associated with MND in the same family, due to a mutation of the transactive response DNA binding protein (TARDBP) gene, and review the literature.


Assuntos
Afasia Primária Progressiva/genética , Afasia Primária Progressiva/fisiopatologia , Proteínas de Ligação a DNA/genética , Afasia Primária Progressiva/diagnóstico por imagem , Feminino , Humanos , Pessoa de Meia-Idade , Doença dos Neurônios Motores/genética , Mutação , Linhagem , Semântica
6.
J Cell Physiol ; 232(8): 2231-2245, 2017 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-27987324

RESUMO

Bile acids are steroid acids found in the bile of mammals. The bile acid conjugate tauroursodeoxycholic acid (TUDCA) is neuroprotective in different animal models of stroke and neurological diseases. We have previously shown that TUDCA has anti-inflammatory effects on glial cell cultures and in a mouse model of acute neuroinflammation. We show now that microglial cells (central nervous system resident macrophages) express the G protein-coupled bile acid receptor 1/Takeda G protein-coupled receptor 5 (GPBAR1/TGR5) in vivo and in vitro. TUDCA binding to GPBAR1/TGR5 caused an increase in intracellular cAMP levels in microglia that induced anti-inflammatory markers, while reducing pro-inflammatory ones. This anti-inflammatory effect of TUDCA was inhibited by small interference RNA for GPBAR1/TGR5 receptor, as well as by treatment with a protein kinase A (PKA) inhibitor. In the mouse model of acute neuroinflammation, treating the animals with TUDCA was clearly anti-inflammatory. TUDCA biased the microglial phenotype in vivo and in vitro toward the anti-inflammatory. The bile acid receptor GPBAR1/TGR5 could be a new therapeutic target for pathologies coursing with neuroinflammation and microglia activation, such as traumatic brain injuries, stroke, or neurodegenerative diseases. TUDCA and other GPBAR1/TGR5 agonists need to be further investigated, to determine their potential in attenuating the neuropathologies associated with microglia activation. J. Cell. Physiol. 232: 2231-2245, 2017. © 2016 Wiley Periodicals, Inc.


Assuntos
Anti-Inflamatórios/farmacologia , Encefalite/prevenção & controle , Hipocampo/efeitos dos fármacos , Microglia/efeitos dos fármacos , Fármacos Neuroprotetores/farmacologia , Prosencéfalo/efeitos dos fármacos , Receptores Acoplados a Proteínas G/agonistas , Ácido Tauroquenodesoxicólico/farmacologia , Animais , Animais Recém-Nascidos , Células Cultivadas , AMP Cíclico/metabolismo , Proteínas Quinases Dependentes de AMP Cíclico/antagonistas & inibidores , Proteínas Quinases Dependentes de AMP Cíclico/metabolismo , Modelos Animais de Doenças , Encefalite/genética , Encefalite/metabolismo , Encefalite/patologia , Hipocampo/metabolismo , Hipocampo/patologia , Mediadores da Inflamação/metabolismo , Camundongos Endogâmicos C57BL , Microglia/metabolismo , Microglia/patologia , Prosencéfalo/metabolismo , Prosencéfalo/patologia , Inibidores de Proteínas Quinases/farmacologia , Interferência de RNA , Ratos Wistar , Receptores Acoplados a Proteínas G/genética , Receptores Acoplados a Proteínas G/metabolismo , Transdução de Sinais/efeitos dos fármacos , Fatores de Tempo , Transfecção
7.
J Cell Physiol ; 232(6): 1501-1510, 2017 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-27753092

RESUMO

Following a central nervous system (CNS) injury, restoration of the blood-brain barrier (BBB) integrity is essential for recovering homeostasis. When this process is delayed or impeded, blood substances and cells enter the CNS parenchyma, initiating an additional inflammatory process that extends the initial injury and causes so-called secondary neuronal loss. Astrocytes and profibrotic mesenchymal cells react to the injury and migrate to the lesion site, creating a new glia limitans that restores the BBB. This process is beneficial for the resolution of the inflammation, neuronal survival, and the initiation of the healing process. Salubrinal is a small molecule with neuroprotective properties in different animal models of stroke and trauma to the CNS. Here, we show that salubrinal increased neuronal survival in the neighbourhood of a cerebral cortex stab injury. Moreover, salubrinal reduced cortical blood leakage into the parenchyma of injured animals compared with injured controls. Adjacent to the site of injury, salubrinal induced immunoreactivity for platelet-derived growth factor subunit B (PDGF-B), a specific mitogenic factor for mesenchymal cells. This effect might be responsible for the increased immunoreactivity for fibronectin and the decreased activation of microglia and macrophages in injured mice treated with salubrinal, compared with injured controls. The immunoreactivity for PDGF-B colocalized with neuronal nuclei (NeuN), suggesting that cortical neurons in the proximity of the injury were the main source of PDGF-B. Our results suggest that after an injury, neurons play an important role in both, the healing process and the restoration of the BBB integrity. J. Cell. Physiol. 232: 1501-1510, 2017. © 2016 Wiley Periodicals, Inc.


Assuntos
Barreira Hematoencefálica/patologia , Lesões Encefálicas/tratamento farmacológico , Córtex Cerebral/lesões , Cinamatos/farmacologia , Neuroproteção/efeitos dos fármacos , Tioureia/análogos & derivados , Ferimentos Perfurantes/tratamento farmacológico , Animais , Astrócitos/efeitos dos fármacos , Astrócitos/metabolismo , Barreira Hematoencefálica/efeitos dos fármacos , Lesões Encefálicas/patologia , Proteínas de Ligação ao Cálcio/metabolismo , Sobrevivência Celular/efeitos dos fármacos , Córtex Cerebral/patologia , Cinamatos/uso terapêutico , Modelos Animais de Doenças , Azul Evans/metabolismo , Fibronectinas/metabolismo , Masculino , Camundongos Endogâmicos C57BL , Proteínas dos Microfilamentos/metabolismo , Modelos Biológicos , Neurônios/efeitos dos fármacos , Neurônios/patologia , Fator de Crescimento Derivado de Plaquetas/metabolismo , Transdução de Sinais/efeitos dos fármacos , Tioureia/farmacologia , Tioureia/uso terapêutico , Fator de Crescimento Transformador beta/metabolismo , Ferimentos Perfurantes/patologia
8.
Health Res Policy Syst ; 15(Suppl 1): 49, 2017 Jul 12.
Artigo em Inglês | MEDLINE | ID: mdl-28722561

RESUMO

BACKGROUND: The number of maternal deaths in sub-Saharan Africa continues to be overwhelmingly high. In West Africa, Sierra Leone leads the list, with the highest maternal mortality ratio. In 2010, financial barriers were removed as an incentive for more women to use available antenatal, delivery and postnatal services. Few published studies have examined the quality of free antenatal services and access to emergency obstetric care in Sierra Leone. METHODS: A cross-sectional survey was conducted in 2014 in all 97 peripheral health facilities and three hospitals in Bombali District, Northern Region. One hundred antenatal care providers were interviewed, 276 observations were made and 486 pregnant women were interviewed. We assessed the adequacy of antenatal and delivery services provided using national standards. The distance was calculated between each facility providing delivery services and the nearest comprehensive emergency obstetric care (CEOC) facility, and the proportion of facilities in a chiefdom within 15 km of each CEOC facility was also calculated. A thematic map was developed to show inequities. RESULTS: The quality of services was poor. Based on national standards, only 27% of women were examined, 2% were screened on their first antenatal visit and 47% received interventions as recommended. Although 94% of facilities provided delivery services, a minority had delivery rooms (40%), delivery kits (42%) or portable water (46%). Skilled attendants supervised 35% of deliveries, and in only 35% of these were processes adequately documented. None of the five basic emergency obstetric care facilities were fully compliant with national standards, and the central and northernmost parts of the district had the least access to comprehensive emergency obstetric care. CONCLUSION: The health sector needs to monitor the quality of antenatal interventions in addition to measuring coverage. The quality of delivery services is compromised by poor infrastructure, inadequate skilled staff, stock-outs of consumables, non-functional basic emergency obstetric care facilities, and geographic inequities in access to CEOC facilities. These findings suggest that the health sector needs to urgently investigate continuing inequities adversely influencing the uptake of these services, and explore more sustainable funding mechanisms. Without this, the country is unlikely to achieve its goal of reducing maternal deaths.


Assuntos
Serviços de Saúde Materna/normas , Mortalidade Materna , África Subsaariana , África Ocidental , Estudos Transversais , Parto Obstétrico , Feminino , Acessibilidade aos Serviços de Saúde , Humanos , Mortalidade Materna/tendências , Gravidez , Qualidade da Assistência à Saúde , Serra Leoa
9.
Exp Cell Res ; 335(1): 82-90, 2015 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-25882497

RESUMO

After CNS injury, astrocytes and mesenchymal cells attempt to restore the disrupted glia limitans by secreting proteoglycans and extracellular matrix proteins (ECMs), forming the so-called glial scar. Although the glial scar is important in sealing the lesion, it is also a physical and functional barrier that prevents axonal regeneration. The synthesis of secretory proteins in the RER is under the control of the initiation factor of translation eIF2α. Inhibiting the synthesis of secretory proteins by increasing the phosphorylation of eIF2α, might be a pharmacologically efficient way of reducing proteoglycans and other profibrotic proteins present in the glial scar. Salubrinal, a neuroprotective drug, decreased the expression and secretion of proteoglycans and other profibrotic proteins induced by EGF or TGFß, maintaining eIF2α phosphorylated. Besides, Salubrinal also reduced the transcription of proteoglycans and other profibrotic proteins, suggesting that it induced the degradation of non-translated mRNA. In a model in vitro of the glial scar, cortical neurons grown on cocultures of astrocytes and fibroblasts with TGFß treated with Salubrinal, showed increased neurite outgrowth compared to untreated cells. Our results suggest that Salubrinal may be considered of therapeutic value facilitating axonal regeneration, by reducing overproduction and secretion of proteoglycans and profibrotic protein inhibitors of axonal growth.


Assuntos
Córtex Cerebral/fisiologia , Cinamatos/farmacologia , Proteínas da Matriz Extracelular/biossíntese , Regeneração Nervosa/efeitos dos fármacos , Neuritos/efeitos dos fármacos , Neurônios/efeitos dos fármacos , Neurônios/fisiologia , Proteoglicanas/antagonistas & inibidores , Tioureia/análogos & derivados , Animais , Astrócitos/metabolismo , Células Cultivadas , Córtex Cerebral/lesões , Técnicas de Cocultura , Fibroblastos/metabolismo , Técnicas In Vitro , Camundongos , Camundongos Endogâmicos C57BL , Neuritos/fisiologia , Neuroglia/metabolismo , Fosforilação , Cultura Primária de Células , Proteínas Serina-Treonina Quinases/antagonistas & inibidores , Proteínas Serina-Treonina Quinases/metabolismo , Proteoglicanas/biossíntese , RNA Mensageiro/metabolismo , Tioureia/farmacologia , Fator de Crescimento Transformador beta/farmacologia
10.
Biochim Biophys Acta ; 1842(9): 1879-86, 2014 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-24959971

RESUMO

Lipids play a role in acute pancreatitis (AP) progression. We investigate the ability of pancreatic acinar cells to trigger inflammatory response in the presence of lipid compounds generated in necrotic areas of peripancreatic adipose tissue (AT) during AP induced in rats by 5% sodium taurocholate. Lipid composition of AT was analyzed by HPLC-mass spectrometry. Acinar inflammatory response to total lipids as well as to either the free fatty acid (FFA) fraction or their chlorinated products (Cl-FFAs) was evaluated. For this, mRNA expression of chemokine (C-C motif) ligand 2 (CCL2) and P-selectin as well as the activation of MAPKs, NF-κB and STAT-3 were analyzed in pancreatic acini. Myeloperoxidase (MPO) activity, as an inducer of Cl-FFA generation, was also analyzed in AT. MPO activity significantly increased in necrotic (AT-N) induced changes in lipid composition of necrotic fat, such as increase in FFA and phospholipid (PL) content, generation of Cl-FFAs and increases in saturated FFAs and in the poly-:mono-unsaturated FFA ratio. Total lipids from AT-N induced overexpression of CCL2 and P-selectin in pancreatic acini as well as MAPKs phosphorylation and activation of NF-κB and STAT3. FFAs, but not Cl-FFAs, up-regulated CCL2 and P-selectin in acinar cells. We conclude that FFAs are capable of up-regulating inflammatory mediators in pancreatic acini and given that they are highly produced during AP, mainly may contribute to the inflammatory response triggered in acinar cells by fat necrosis. No role is played by Cl-FFAs generated as a result of neutrophil infiltration.


Assuntos
Células Acinares/imunologia , Tecido Adiposo/patologia , Inflamação/etiologia , Lipídeos/efeitos adversos , Pâncreas/imunologia , Pancreatite Necrosante Aguda/fisiopatologia , Células Acinares/metabolismo , Células Acinares/patologia , Animais , Biomarcadores/análise , Western Blotting , Proliferação de Células/efeitos dos fármacos , Cloridrinas/farmacologia , Inflamação/metabolismo , Inflamação/patologia , Mediadores da Inflamação/metabolismo , Lipídeos/análise , Masculino , Pâncreas/metabolismo , Pâncreas/patologia , Peroxidase/metabolismo , RNA Mensageiro/genética , Ratos , Ratos Wistar , Reação em Cadeia da Polimerase em Tempo Real , Reação em Cadeia da Polimerase Via Transcriptase Reversa , Espectrometria de Massas por Ionização e Dessorção a Laser Assistida por Matriz
11.
Euro Surveill ; 20(16)2015 Apr 23.
Artigo em Inglês | MEDLINE | ID: mdl-25953272

RESUMO

In accordance with the goal of the World Health Organization Regional Office for Europe, the Italian national measles and rubella elimination plan aims to reduce the incidence of congenital rubella cases to less than one case per 100,000 live births by the end of 2015. We report national surveillance data for congenital rubella and rubella in pregnancy from 2005 to 2013. A total of 75 congenital rubella infections were reported; the national annual mean incidence was 1.5/100,000 live births, including probable and confirmed cases according to European Union case definition. Two peaks occurred in 2008 and 2012 (5.0 and 3.6/100,000 respectively). Overall, 160 rubella infections in pregnancy were reported; 69/148 women were multiparous and 38/126 had had a rubella antibody test before pregnancy. Among reported cases, there were 62 infected newborns, 31 voluntary abortions, one stillbirth and one spontaneous abortion. A total of 24 newborns were unclassified and 14 women were lost to follow-up, so underestimation is likely. To improve follow-up of cases, systematic procedures for monitoring infected mothers and children were introduced in 2013. To prevent congenital rubella, antibody screening before pregnancy and vaccination of susceptible women, including post-partum and post-abortum vaccination, should be promoted. Population coverage of two doses of measles-mumps-rubella vaccination of ≥ 95% should be maintained and knowledge of health professionals improved.


Assuntos
Síndrome da Rubéola Congênita/epidemiologia , Síndrome da Rubéola Congênita/prevenção & controle , Vacina contra Rubéola/administração & dosagem , Rubéola (Sarampo Alemão)/epidemiologia , Rubéola (Sarampo Alemão)/prevenção & controle , Adulto , Pré-Escolar , Monitoramento Epidemiológico , Feminino , Política de Saúde , Humanos , Incidência , Recém-Nascido , Itália/epidemiologia , Masculino , Sarampo/epidemiologia , Sarampo/prevenção & controle , Vacina contra Sarampo/administração & dosagem , Vacina contra Sarampo/imunologia , Vacina contra Sarampo-Caxumba-Rubéola , Vigilância da População , Gravidez , Complicações Infecciosas na Gravidez/epidemiologia , Resultado da Gravidez , Saúde Pública , Rubéola (Sarampo Alemão)/classificação , Vacina contra Rubéola/imunologia , Vacinação/métodos , Vacinação/estatística & dados numéricos
12.
J Neuroinflammation ; 11: 50, 2014 Mar 19.
Artigo em Inglês | MEDLINE | ID: mdl-24645669

RESUMO

BACKGROUND: Bile acids are steroid acids found predominantly in the bile of mammals. The bile acid conjugate tauroursodeoxycholic acid (TUDCA) is a neuroprotective agent in different animal models of stroke and neurological diseases. However, the anti-inflammatory properties of TUDCA in the central nervous system (CNS) remain unknown. METHODS: The acute neuroinflammation model of intracerebroventricular (icv) injection with bacterial lipopolysaccharide (LPS) in C57BL/6 adult mice was used herein. Immunoreactivity against Iba-1, GFAP, and VCAM-1 was measured in coronal sections in the mice hippocampus. Primary cultures of microglial cells and astrocytes were obtained from neonatal Wistar rats. Glial cells were treated with proinflammatory stimuli to determine the effect of TUDCA on nitrite production and activation of inducible enzyme nitric oxide synthase (iNOS) and NFκB luciferase reporters. We studied the effect of TUDCA on transcriptional induction of iNOS and monocyte chemotactic protein-1 (MCP-1) mRNA as well as induction of protein expression and phosphorylation of different proteins from the NFκB pathway. RESULTS: TUDCA specifically reduces microglial reactivity in the hippocampus of mice treated by icv injection of LPS. TUDCA treatment reduced the production of nitrites by microglial cells and astrocytes induced by proinflammatory stimuli that led to transcriptional and translational diminution of the iNOS. This effect might be due to inhibition of the NFκB pathway, activated by proinflammatory stimuli. TUDCA decreased in vitro microglial migration induced by both IFN-γ and astrocytes treated with LPS plus IFN-γ. TUDCA inhibition of MCP-1 expression induced by proinflammatory stimuli could be in part responsible for this effect. VCAM-1 inmunoreactivity in the hippocampus of animals treated by icv LPS was reduced by TUDCA treatment, compared to animals treated with LPS alone. CONCLUSIONS: We show a triple anti-inflammatory effect of TUDCA on glial cells: i) reduced glial cell activation, ii) reduced microglial cell migratory capacity, and iii) reduced expression of chemoattractants (e.g., MCP-1) and vascular adhesion proteins (e.g., VCAM-1) required for microglial migration and blood monocyte invasion to the CNS inflammation site. Our results present a novel TUDCA anti-inflammatory mechanism, with therapeutic implications for inflammatory CNS diseases.


Assuntos
Colagogos e Coleréticos/farmacologia , Encefalite/patologia , Hipocampo/patologia , Neuroglia/efeitos dos fármacos , Ácido Tauroquenodesoxicólico/farmacologia , Animais , Animais Recém-Nascidos , Proteínas de Ligação ao Cálcio/metabolismo , Movimento Celular/efeitos dos fármacos , Proliferação de Células/efeitos dos fármacos , Células Cultivadas , Modelos Animais de Doenças , Encefalite/induzido quimicamente , Regulação da Expressão Gênica/efeitos dos fármacos , Proteína Glial Fibrilar Ácida/metabolismo , Injeções Intraventriculares , Lipopolissacarídeos/toxicidade , Camundongos Endogâmicos C57BL , Proteínas dos Microfilamentos/metabolismo , Nitritos/metabolismo , Ratos Wistar , Molécula 1 de Adesão de Célula Vascular/metabolismo
13.
Int Endod J ; 47(1): 32-40, 2014 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-23647356

RESUMO

AIM: To quantify bacterial equivalents before and after chemomechanical preparation using 3% sodium hypochlorite (NaOCl) and intracanal dressing with calcium hydroxide paste (Ca(OH)2 ) or 2% Chlorhexidine digluconate gel (CHX) in necrotic pulps associated or not with apical periodontitis and to further compare this quantification with counts of anaerobic microorganisms. METHODOLOGY: Prospective clinical trial in 69 single-rooted adult teeth (strict inclusion criteria); CHX group: 34; Ca(OH)2 group: 35. Bacteria samples were taken at baseline (S1), after chemomechanical preparation (S2) and after 14 days of intracanal dressing (S3). Bacterial equivalents were assessed by broad-range real-time polymerase chain reaction (qPCR), and live viable bacteria measured with conventional anaerobic culture (CFU/mL). Descriptive/inferential analysis was performed with spss vs. 20.0 (α = 0.05) using the Kruskal-Wallis, Mann-Whitney and chi-squared tests and Spearman's correlation coefficients. RESULTS: Both groups showed a significant decrease between S1 and S2 (Mann-Whitney U-test; P < 0.001) both in qPCR and in culture. In the Ca(OH)2 -group, no variation was observed between S2 and S3 by qPCR and culture. In contrast, the CHX group showed a significant increase from S2 to S3 by both techniques. The two groups were only significantly different in S3 (Mann-Whitney U-test; P ≤ 0.001), with a worse performance in the CHX group. Again, these results were congruent by both approaches. Data from both approaches correlate reasonably (rS < 0.5). CONCLUSIONS: Infected root canals contained a high bacterial load, and the chemomechanical root canal preparation reduced bacterial equivalents by 99.1% and anaerobic counts by 98.5%. Intracanal dressings were not efficient at reducing bacterial load, but the 14-day intracanal dressing with Ca(OH)2 performed significantly better than CHX, particularly in cases with apical periodontitis.


Assuntos
Bactérias Anaeróbias/isolamento & purificação , Bandagens , Cavidade Pulpar/microbiologia , Tratamento do Canal Radicular , Adulto , Bactérias Anaeróbias/genética , Contagem de Colônia Microbiana , DNA Ribossômico/genética , Humanos , Portugal , Estudos Prospectivos , RNA Ribossômico 16S/genética , Reação em Cadeia da Polimerase em Tempo Real
14.
Euro Surveill ; 19(10)2014 Mar 13.
Artigo em Inglês | MEDLINE | ID: mdl-24650863

RESUMO

A measles outbreak occurred in February 2014 on a ship cruising the western Mediterranean Sea. Overall 27 cases were reported: 21 crew members, four passengers.For two cases the status crew or passenger was unknown. Genotype B3 was identified. Because of different nationalities of cases and persons on board,the event qualified as a cross-border health threat. The Italian Ministry of Health coordinated rapid response.Alerts were posted through the Early Warning and Response System.


Assuntos
Surtos de Doenças , Sarampo/epidemiologia , Navios , Humanos , Mar Mediterrâneo , Vigilância de Evento Sentinela , Viagem
15.
Obes Surg ; 34(1): 123-127, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-37914885

RESUMO

AIMS: Our aim was to assess, in obese patients undergoing Roux-en Y gastric bypass surgery, the bismuth quadruple therapy (BQT) eradication rates at the first-line Helicobacter pylori (Hp) treatment as proposed by the Maastricht V/Florence consensus in areas with high clarithromycin (CLT) resistance rates-10 days proton pump inhibitor bid and three-in-one single capsule bismuth therapy containing bismuth, metronidazole, and tetracycline, marketed as Pylera four times a day. METHODS: This is a single-center prospective study over a 3-year period. Endoscopy and Hp assessment by histology was performed at baseline, and posttreatment Hp status was assessed by C13 urea breath test 4-6 weeks after the end of therapy. Data analysis was performed using the IBM® SPSS® Statistics 28.0 (IBM Corp. 2021, Armonk, NY) using mostly nonparametric comparisons (α = 0.05). RESULTS: The study cohort consisted of 598 adult obese Hp-positive patients [476, 78.6% female, age 43.2 (± 10.4) years] consecutively scheduled for Hp eradication therapy. Hp was eradicated in 500 patients [83.6.3% (95% CI: 80.4%-86.5%)], and the eradication was independent of gender, age, endoscopic diagnosis, and smoking status (p > 0.05). CONCLUSION: Ten days of BQT did achieve Maastricht V/Florence recommended first-line eradication rates (at least 80%) in obese Portuguese patients undergoing Roux-en Y gastric bypass, being by now the most reliable choice for Hp eradication.


Assuntos
Derivação Gástrica , Infecções por Helicobacter , Helicobacter pylori , Obesidade Mórbida , Adulto , Humanos , Feminino , Masculino , Bismuto/uso terapêutico , Bismuto/efeitos adversos , Infecções por Helicobacter/tratamento farmacológico , Estudos Prospectivos , Obesidade Mórbida/cirurgia , Quimioterapia Combinada , Antibacterianos/uso terapêutico , Claritromicina/uso terapêutico , Tetraciclina/efeitos adversos , Metronidazol/uso terapêutico , Obesidade/complicações , Obesidade/tratamento farmacológico , Obesidade/cirurgia , Inibidores da Bomba de Prótons/uso terapêutico , Amoxicilina/uso terapêutico
16.
Vaccine ; 42(26): 126375, 2024 Sep 18.
Artigo em Inglês | MEDLINE | ID: mdl-39298999

RESUMO

We assessed the impact of the 2023/2024 COVID-19 vaccination campaign in Italy by estimating the number of averted COVID-19 severe cases (i.e. COVID-19 associated hospitalisations or deaths) between October 2023 and March 2024, in those aged ≥60 years. We estimated that 565 (95 % CI: 497-625) cases, corresponding to 2.1 % (95 % CI: 1.8-2.3) of the expected cases without a vaccination campaign, were averted. We simulated three vaccination coverage scenarios: 50 %, 75 %, 90 % (versus the observed 10.7 %), finding that 9.7 % (95 % CI: 8.5-10.7); 14.5 % (95 % CI: 12.8-16.1); and 17.4 % (95 % CI: 15.3-19.3) of the expected cases would have been averted, respectively.

17.
J Periodontal Res ; 48(4): 452-7, 2013 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-23278448

RESUMO

BACKGROUND: Poor oral health has been related with cardiovascular diseases. Specifically, periodontitis has been implicated in the pathogenesis of atherosclerosis. Our aim was to evaluate the relationship between the degree of carotid atherosclerosis and severity of periodontitis in a patient cohort. METHODS: Fifty adult patients receiving carotid duplex scans in a cerebral hemodynamics lab were included in the study. Ultrasound protocol included measurement of carotid intima-media thickness (IMT), which is a marker of atherosclerosis, and characterization of any atherosclerotic plaques in the cervical common and internal carotid arteries. Patients were divided into two main groups: the test group had IMT ≥ 1 mm or the presence of any carotid atherosclerotic plaque, and the control group had IMT < 1 mm and absence of atherosclerotic plaques. Periodontal evaluation was performed in all the teeth and characterized according to the clinical attachment level, which between 1 mm and 2 mm was classified as slight, 3 mm and 4 mm as moderate and ≥5 mm as severe. RESULTS: The control group included 15 (30%), while the test group included 35 (70%) subjects. The most common diagnosis was severe periodontitis (40%); moderate and slight periodontitis were also frequent occurrences (32% and 28%, respectively). In the control group, 53.3% had slight, 33.3% had moderate and 13.3% had severe periodontitis. In the test group, those percentages were respectively 22.2%, 44.4% and 33.3%. Patients with atheroma plaque had the highest percentage of severe periodontitis (70.6%). More severe periodontitis was related to atherosclerosis (P = 0.007). CONCLUSION: This study showed an association between periodontitis severity and carotid atherosclerosis, suggesting that periodontal disease might be a risk indicator for atherosclerotic disease.


Assuntos
Aterosclerose/complicações , Doenças das Artérias Carótidas/complicações , Periodontite/complicações , Adulto , Fatores Etários , Idoso , Aterosclerose/diagnóstico por imagem , Doenças das Artérias Carótidas/diagnóstico por imagem , Artéria Carótida Primitiva/diagnóstico por imagem , Artéria Carótida Interna/diagnóstico por imagem , Estudos de Coortes , Índice de Placa Dentária , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Perda da Inserção Periodontal/classificação , Perda da Inserção Periodontal/complicações , Índice Periodontal , Bolsa Periodontal/classificação , Bolsa Periodontal/complicações , Periodontite/classificação , Placa Aterosclerótica/complicações , Placa Aterosclerótica/diagnóstico por imagem , Fatores de Risco , Fumar , Túnica Íntima/diagnóstico por imagem , Túnica Média/diagnóstico por imagem , Ultrassonografia Doppler Dupla , Adulto Jovem
19.
Rev Clin Esp (Barc) ; 221(8): 464-467, 2021 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-34172430

RESUMO

COVID-19 has placed a significant burden on the healthcare system, making it necessary to implement new tools that allow patients to be monitored remotely and guarantee quality and continuity of care. The usefulness and acceptance by patients of a virtual caregiver designed for follow-up in the month following hospital discharge for COVID-19 are evaluated. The virtual assistant, based on voice and artificial intelligence technology, made telephone calls at 48 h, seven days, 15 days, and 30 days after discharge and asked five questions about the patient's health. If the answer to any of the questions was affirmative, it generated an alert that was transferred to a healthcare professional One hundred patients were included in the project and 85 alerts were generated in 45 of the patients, most at one month after hospital discharge. The nursing staff resolved 94% of them by telephone. Patient satisfaction with the virtual caregiver was high.


Assuntos
Assistência ao Convalescente/métodos , COVID-19 , Consulta Remota , Telefone , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , COVID-19/terapia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Alta do Paciente , Fatores de Tempo , Adulto Jovem
20.
Actas Dermosifiliogr (Engl Ed) ; 112(2): 134-141, 2021 Feb.
Artigo em Inglês, Espanhol | MEDLINE | ID: mdl-32910923

RESUMO

We present a series of general and specific recommendations based on pathophysiologic considerations for managing the most common adverse effects of apremilast that lead to treatment discontinuation: diarrhea, nausea, and headache. The recommendations are based on a review of the literature and the experience of a multidisciplinary team of 14 experts including dermatologists, rheumatologists, neurologists, gastroenterologists, pharmacists, and nurses. We propose a series of simple algorithms that include clinical actions and suggestions for pharmacologic treatment. The adverse effects of apremilast can be managed from a multidisciplinary approach. The purpose of optimizing management is to bring clinical benefits to patients.


Assuntos
Diarreia/induzido quimicamente , Cefaleia/induzido quimicamente , Náusea/induzido quimicamente , Inibidores da Fosfodiesterase 4/efeitos adversos , Talidomida/análogos & derivados , Terapia Combinada , Diarreia/dietoterapia , Diarreia/tratamento farmacológico , Diarreia/fisiopatologia , Gerenciamento Clínico , Cefaleia/tratamento farmacológico , Cefaleia/fisiopatologia , Cefaleia/prevenção & controle , Humanos , Náusea/dietoterapia , Náusea/tratamento farmacológico , Náusea/fisiopatologia , Equipe de Assistência ao Paciente , Inibidores da Fosfodiesterase 4/uso terapêutico , Guias de Prática Clínica como Assunto , Psoríase/tratamento farmacológico , Talidomida/efeitos adversos , Talidomida/uso terapêutico
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