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1.
J Pediatr ; 273: 114118, 2024 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-38815743

RESUMO

OBJECTIVE: To evaluate the effectiveness of patient education, physician counseling, and point-of-care (POC) testing on improving adherence to lipid screening national guidelines in a general pediatric cardiology practice (2017-2023). STUDY DESIGN: Regional primary care providers were surveyed regarding lipid screening practices. Key drivers were categorized (physician, patient, and system) with corresponding interventions. Pediatric cardiologists started offering lipid screening during regular visits by providing families with preventive cardiovascular education materials and lab phlebotomy testing. System redesign included educational posters, clinical intake protocol, physician counseling, electronic health record integration, and POC testing. Run charts and statistical process control charts measured screening rates and key processes. RESULTS: The primary care survey response rate was 32% (95/294); 97% supported pediatric cardiologists conducting routine lipid screening. Pediatric cardiology mean baseline lipid screening rate was 0%, increased to 7% with patient education, and to 61% after system redesign including POC testing. Screening rates among 1467 patients were similar across age groups (P = .98). More patients received lipid screening by POC (91.7%) compared with phlebotomy (8.3%). Lipid abnormalities detected did not differ by screening methodology (P = .49). CONCLUSION: Patient education, counseling, and POC testing improved adherence to national lipid screening guidelines, providing a possible model for primary care implementation.


Assuntos
Programas de Rastreamento , Pediatria , Humanos , Criança , Masculino , Feminino , Adolescente , Programas de Rastreamento/métodos , Cardiologia , Lipídeos/sangue , Fidelidade a Diretrizes/estatística & dados numéricos , Testes Imediatos , Educação de Pacientes como Assunto , Pré-Escolar , Atenção Primária à Saúde , Padrões de Prática Médica/estatística & dados numéricos , Melhoria de Qualidade , Aconselhamento
2.
Artigo em Inglês | MEDLINE | ID: mdl-38652669

RESUMO

OBJECTIVES: Recovery from traumatic brain injury (TBI) is extremely difficult to predict, with TBI severity usually demonstrating weak predictive validity for functional or other outcomes. A possible explanation may lie in the statistical phenomenon called suppression, according to which a third variable masks the true association between predictor and outcome, making it appear weaker than it actually is. Age at injury is a strong candidate as a suppressor because of its well-established main and moderating effects on TBI outcomes. We tested age at injury as a possible suppressor in the predictive chain of effects between TBI severity and functional disability, up to 10 years post-TBI. SETTING: Follow-up interviews were conducted during telephone interviews. PARTICIPANTS: We used data from the 2020 NDILRR Model Systems National Dataset for 4 successive follow-up interviews: year 1 (n = 10,734), year 2 (n = 9174), year 5 (n = 6,201), and year 10 (n = 3027). DESIGN: Successive cross-sectional multiple regression analyses. MAIN MEASURES: Injury severity was operationalized using a categorical variable representing duration of posttrauma amnesia. The Glasgow Outcomes Scale-Extended (GOS-E) operationally defined functioning. Sociodemographic characteristics having significant bivariate correlations with GOS-E were included. RESULTS: Entry of age at injury into the regression models significantly increases the association between TBI severity and functioning up to 10 years post-TBI. CONCLUSIONS: Age at injury is a suppressor variable, masking the true effect of injury severity on functional outcomes. Identifying the mediators of this suppression effect is an important direction for TBI rehabilitation research.

3.
Int J Mol Sci ; 24(18)2023 Sep 06.
Artigo em Inglês | MEDLINE | ID: mdl-37762050

RESUMO

Methylthioninium chloride (MTC) is a standard treatment for methaemoglobinaemia. A preparation of reduced MTC has been reported to increase blood oxygen saturation (SpO2) and lower respiratory rates in patients with severe COVID-19. We have developed a stable form of reduced methylthionine (hydromethylthionine-mesylate, HMTM) having a benign safety profile in two Phase 3 trials in Alzheimer's disease. The aim of this prospective study was to determine the effects of oral HMTM on SpO2 and methaemoglobin (metHb) levels in a cohort of patients with mild hypoxaemia not due to COVID-19. Eighteen participants randomised to a single dose of 4, 75, 100 or 125 mg doses of HMTM had SpO2 levels below 94% at baseline. Patients were routinely monitored by pulse oximetry after 4 h, and after 2 and 6 weeks of twice daily dosing. Significant ~3% increases in SpO2 occurred within 4 h and were sustained over 2 and 6 weeks with no dose differences. There were small dose-dependent increases (0.060-0.162%) in metHb levels over 2 to 6 weeks. Minimum-energy computational chemistry revealed that HMT can bind within 2.10 Å of heme iron by donating a pair of electrons from the central nitrogen of HMT to d orbitals of heme iron, but with lower affinity than oxygen. In conclusion, HMTM can increase SpO2 without reducing metHb by acting as a strong displaceable field ligand for heme iron. We hypothesise that this facilitates a transition from the low oxygen affinity T-state of heme to the higher affinity R-state. HMTM has potential as an adjunctive treatment for hypoxaemia.


Assuntos
COVID-19 , Azul de Metileno , Humanos , Estudos Prospectivos , Oxigênio , Heme , Metemoglobina , Hipóxia , Ferro
4.
Nurs Philos ; : e12450, 2023 Jun 11.
Artigo em Inglês | MEDLINE | ID: mdl-37303092

RESUMO

The concept of care has occupied a central place in nursing philosophy and scholarship since the modern formation of the profession. Perhaps the defining character of the scholarship has been the recognition not only of the complexity of the concept of care, its elusiveness and ambiguity, but also the lack of consensus or agreement regarding its meaning and value. I will make two interconnected arguments: first, I will argue that disputes around care are not an accidental feature or an unfortunate condition of its applicability. Rather, care is an example of what I will call, following W.B. Gallie (1956), an "essentially contested" concept. Secondly, I will employ insights from the French philosopher Henri Bergson (1859-1941) to explore the concept of care and argue that the essentially contested processual nature of care is the source of its meaning and value.

5.
J Asthma ; 58(3): 395-404, 2021 03.
Artigo em Inglês | MEDLINE | ID: mdl-31838923

RESUMO

OBJECTIVE: Pediatric asthma is a common, relapsing-remitting, chronic inflammatory airway disease that when uncontrolled often leads to substantial patient and health care system burden. Improving management of asthma in primary care can help patients stay well controlled. METHODS: The Vermont Child Health Improvement Program (VCHIP) developed a quality improvement (QI) learning collaborative with a primary objective to improve clinical asthma management measures through improvement in primary care office systems to support asthma care. Seven months of medical record review data were evaluated for improvements on eight clinical asthma management measures. Pre and post office systems inventory (OSI) self-assessments detailing adherence to improvement strategies were analyzed for improvement. Logistic regressions were used to test for associations between OSI strategy post scores and the corresponding clinical asthma management measures by month seven. RESULTS: This study found significant improvement from baseline to month seven on seven of the eight clinical asthma management measures and between pre and post OSI for seven of the nine strategies assessed (N = 19 practices). Additionally, one point higher average OSI scores on the assessment and monitoring of asthma severity, asthma control, asthma action plans, and asthma education strategies were associated with significantly greater odds of improvement in their respective clinical asthma management measures. CONCLUSIONS: A QI learning collaborative approach in primary care can improve office systems and corresponding clinical management measures for pediatric patients with asthma. This suggests that linking specific office systems strategies to clinical measures may be a helpful tactic within the learning collaborative model.


Assuntos
Asma/terapia , Gerenciamento Clínico , Atenção Primária à Saúde/organização & administração , Melhoria de Qualidade/organização & administração , Asma/fisiopatologia , Comportamento Cooperativo , Humanos , Capacitação em Serviço , Modelos Logísticos , Guias de Prática Clínica como Assunto , Índice de Gravidade de Doença , Vermont
6.
Nurs Outlook ; 69(2): 167-181, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33608113

RESUMO

BACKGROUND: Many United States veterans and active military with a history of traumatic brain injury (TBI) also experience challenges from comorbid posttraumatic stress disorder (PTSD), yet the additional burden of PTSD is not clear. PURPOSE: To address this knowledge gap, this study examined the relationship of PTSD to cognitive, social, and physical functioning and depressive symptoms in veterans recently diagnosed with TBI. METHODS: Veterans were recruited from a VA rehabilitation clinic. The Patient Competency Rating Scale and Center for Epidemiologic Studies Depression Scale measured functioning and depression, respectively. Chart review captured PTSD diagnosis. FINDINGS: In the sample of 83 veterans, 65% had a current PTSD diagnosis. After controlling for sociodemographic variables and TBI severity, PTSD was a significant predictor of lower cognitive, social, and physical functioning and higher depressive symptomatology. DISCUSSION: Clinicians should incorporate PTSD assessment in their work with veterans with TBI. Integrated behavioral health and rehabilitation interventions that provide strategies for veterans to manage TBI symptoms and PTSD are critical.


Assuntos
Lesões Encefálicas Traumáticas/complicações , Funcionamento Psicossocial , Transtornos de Estresse Pós-Traumáticos/complicações , Veteranos/psicologia , Adulto , Lesões Encefálicas Traumáticas/psicologia , Depressão/etiologia , Depressão/psicologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Transtornos de Estresse Pós-Traumáticos/psicologia , Estados Unidos , Veteranos/estatística & dados numéricos
7.
Toxicol Pathol ; 47(4): 528-541, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-31064296

RESUMO

In a juvenile toxicology program, an unexpected finding of vacuolation of inner nuclear, ganglion cell, and nerve fiber layers of the retina was observed microscopically in routine Davidson's fixed and hematoxylin and eosin-stained tissue sections of eyes in beagle dogs at approximately 5 weeks of age. There was no necrosis or degeneration of the affected cells and no associated inflammation. Fluorescein angiography revealed no vascular leakage. Optical coherence tomography (OCT) indicated swollen cells in the same layers of the retina as observed at light microscopic examination. Transmission electron microscopy revealed that the retinal vacuolation likely was consistent with intracellular swelling of amacrine, horizontal, and/or bipolar cells of the inner nuclear layer as affected cells had an expanded cytoplasm but contained normal nucleus and organelles. As assessed by animal behavior and full-field electroretinography, the retinal vacuolation appeared to have no impact on visual function. Retinal vacuolation was seen in approximately 40% of dogs at 5 weeks of age using OCT and/or light microscopic examination. Because the change was transient and age related, did not result in degenerative retinal changes, and was not present in dogs older than 5 weeks of age, it was considered a background developmental observation in beagle dogs.


Assuntos
Retina/crescimento & desenvolvimento , Toxicologia/métodos , Vacúolos/fisiologia , Fatores Etários , Animais , Animais Recém-Nascidos , Cães , Angiofluoresceinografia , Microscopia , Microscopia Eletrônica de Transmissão , Retina/diagnóstico por imagem , Tomografia de Coerência Óptica
8.
Nature ; 501(7466): 247-51, 2013 Sep 12.
Artigo em Inglês | MEDLINE | ID: mdl-24025841

RESUMO

Successful infection by enteric bacterial pathogens depends on the ability of the bacteria to colonize the gut, replicate in host tissues and disseminate to other hosts. Pathogens such as Salmonella, Shigella and enteropathogenic and enterohaemorrhagic (EPEC and EHEC, respectively) Escherichia coli use a type III secretion system (T3SS) to deliver virulence effector proteins into host cells during infection that promote colonization and interfere with antimicrobial host responses. Here we report that the T3SS effector NleB1 from EPEC binds to host cell death-domain-containing proteins and thereby inhibits death receptor signalling. Protein interaction studies identified FADD, TRADD and RIPK1 as binding partners of NleB1. NleB1 expressed ectopically or injected by the bacterial T3SS prevented Fas ligand or TNF-induced formation of the canonical death-inducing signalling complex (DISC) and proteolytic activation of caspase-8, an essential step in death-receptor-induced apoptosis. This inhibition depended on the N-acetylglucosamine transferase activity of NleB1, which specifically modified Arg 117 in the death domain of FADD. The importance of the death receptor apoptotic pathway to host defence was demonstrated using mice deficient in the FAS signalling pathway, which showed delayed clearance of the EPEC-like mouse pathogen Citrobacter rodentium and reversion to virulence of an nleB mutant. The activity of NleB suggests that EPEC and other attaching and effacing pathogens antagonize death-receptor-induced apoptosis of infected cells, thereby blocking a major antimicrobial host response.


Assuntos
Escherichia coli Enteropatogênica/metabolismo , Infecções por Escherichia coli/metabolismo , Infecções por Escherichia coli/microbiologia , Proteínas de Escherichia coli/metabolismo , Trato Gastrointestinal/microbiologia , Transdução de Sinais , Fatores de Virulência/metabolismo , Animais , Caspase 8/metabolismo , Morte Celular , Citrobacter rodentium/patogenicidade , Citrobacter rodentium/fisiologia , Escherichia coli Enteropatogênica/patogenicidade , Ativação Enzimática , Infecções por Escherichia coli/patologia , Proteína Ligante Fas/antagonistas & inibidores , Proteína Ligante Fas/metabolismo , Proteína de Domínio de Morte Associada a Fas/química , Proteína de Domínio de Morte Associada a Fas/metabolismo , Feminino , Células HEK293 , Células HeLa , Humanos , Masculino , Camundongos , N-Acetilglucosaminiltransferases/metabolismo , Estrutura Terciária de Proteína , Proteína Serina-Treonina Quinases de Interação com Receptores/química , Proteína Serina-Treonina Quinases de Interação com Receptores/metabolismo , Proteína de Domínio de Morte Associada a Receptor de TNF/química , Proteína de Domínio de Morte Associada a Receptor de TNF/metabolismo , Receptor fas/deficiência , Receptor fas/metabolismo
9.
J Pediatr Nurs ; 49: 85-91, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31644960

RESUMO

OBJECTIVE: The AAP, AFP, and ACP have authored statements and recommendations to clinicians about the importance of the transition from pediatric to adult care. The Got Transition program provides a framework and resources based on AAP, AFP and ACP recommendations to promote skill attainment in self-care. Engaging adolescents along the transition journey has proven challenging. Use of smartphones, text messaging, and social media are prevalent among teenagers, offering a unique opportunity to engage teenagers in their preferred channel to provide tools and resources to help them successfully transition to adult focused care. METHODS: A multidisciplinary team of clinicians, quality improvement facilitators, and human-centered designers at the University of Vermont (UVM) Children's Hospital designed tools for teens with chronic conditions that support the Got Transition recommendations. Using a co-creative design process, we created a novel tool to increase engagement among teenagers. We conducted a pilot study of 13 teenagers with a chronic medical condition using a text messaging platform (chatbot) with scripted interactions to increase engagement and deliver educational content according to Got Transition. RESULTS: Mean engagement was 97% during the study period. Qualitative feedback from study participants suggests our chatbot should be extended and shows promise to help teenagers attain self-care skills on the transition journey. CONCLUSIONS: A scripted text messaging platform is feasible and appears to be well-received by patients and caregivers. Furthermore, our approach emphasizes the need to engage teenagers through multiple platforms to effectively serve as "coaches" during the transition to adult care.


Assuntos
Avaliação da Deficiência , Crianças com Deficiência/reabilitação , Educação de Pacientes como Assunto/métodos , Envio de Mensagens de Texto/instrumentação , Transição para Assistência do Adulto/organização & administração , Adolescente , Adulto , Telefone Celular/estatística & dados numéricos , Doença Crônica/reabilitação , Estudos de Viabilidade , Feminino , Hospitais Pediátricos , Hospitais Universitários , Humanos , Masculino , Tutoria/métodos , Desenvolvimento de Programas , Avaliação de Programas e Projetos de Saúde , Melhoria de Qualidade , Vermont , Adulto Jovem
11.
Radiology ; 280(1): 212-9, 2016 07.
Artigo em Inglês | MEDLINE | ID: mdl-27022770

RESUMO

Purpose To determine whether functional outcomes of veterans who sustained combat-related mild traumatic brain injury (TBI) are associated with scalar metrics derived from diffusion-tensor (DT) imaging at their initial postdeployment evaluation. Materials and Methods This HIPAA-compliant retrospective study was approved by the institutional review board, and the requirement to obtain informed consent was waived. From 2010 to 2013, initial postdeployment evaluation, including clinical assessment and brain magnetic resonance (MR) examination with DT imaging, was performed in combat veterans who sustained mild TBI while deployed. Outcomes from chart review encompassed initial postdeployment clinical assessment as well as later functional status, including evaluation of occupational status and health care utilization. Scalar diffusion metrics from the initial postdeployment evaluation were compared with outcomes by using multivariate analysis. Veterans who did and did not return to work were also compared for differences in clinical variables by using t and χ(2) tests. Results Postdeployment evaluation was performed a mean of 3.8 years after injury (range, 0.5-9 years; standard deviation, 2.5 years). After a mean follow-up of 1.4 years (range, 0.5-2.5 years; standard deviation, 0.8 year), 34 of 57 veterans (60%) had returned to work. Return to work was associated with diffusion metrics in multiple regions of white matter, particularly in the left internal capsule and the left frontal lobe (P = .02-.05). Overall, veterans had a mean of 46 health care visits per year during the follow-up period (range, 3-196 visits per year; standard deviation, 41 visits per year). Cumulative health care visits over time were inversely correlated with diffusion anisotropy of the splenium of the corpus callosum and adjacent parietal white matter (P < .05). Clinical measures obtained during initial postdeployment evaluation were not predictive of later functional status (P = .12-.8). Conclusion Differences in white matter microstructure may partially account for the variance in functional outcomes among veterans who sustained combat-related mild TBI. (©) RSNA, 2016.


Assuntos
Concussão Encefálica/diagnóstico por imagem , Concussão Encefálica/fisiopatologia , Imagem de Tensor de Difusão/métodos , Veteranos/estatística & dados numéricos , Lesões Relacionadas à Guerra/diagnóstico por imagem , Lesões Relacionadas à Guerra/fisiopatologia , Adulto , Encéfalo/diagnóstico por imagem , Encéfalo/fisiopatologia , Seguimentos , Humanos , Processamento de Imagem Assistida por Computador/métodos , Imageamento por Ressonância Magnética/métodos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Adulto Jovem
12.
Brain Inj ; 30(4): 373-387, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-26983578

RESUMO

OBJECTIVE: Traumatic brain injury (TBI) often undermines community re-integration, impairs functioning and produces other symptoms. This study tested an innovative programme for veterans with TBI, the Veterans' In-home Programme (VIP), delivered in veterans' homes, involving a family member and targeting the environment (social and physical) to promote community re-integration, mitigate difficulty with the most troubling TBI symptoms and facilitate daily functioning. SETTING: Interviews and intervention sessions were conducted in homes or by telephone. PARTICIPANTS: Eighty-one veterans with TBI at a VA polytrauma programme and a key family member. DESIGN: This was a 2-group randomized controlled trial. Control-group participants received usual-care enhanced by two attention-control telephone calls. Follow-up interviews occurred up to 4 months after baseline interview. MAIN MEASURES: VIP's efficacy was evaluated using measures of community re-integration, target outcomes reflecting veterans' self-identified problems and self-rated functional competence. RESULTS: At follow-up, VIP participants had significantly higher community re-integration scores and less difficulty managing targeted outcomes, compared to controls. Self-rated functional competence did not differ between groups. In addition, VIP's acceptability was high. CONCLUSION: A home-based, family-inclusive service for veterans with TBI shows promise for improving meaningful outcomes and warrants further research and clinical application.


Assuntos
Lesões Encefálicas Traumáticas/psicologia , Lesões Encefálicas Traumáticas/reabilitação , Integração Comunitária , Família/psicologia , Modalidades de Fisioterapia , Veteranos/estatística & dados numéricos , Adulto , Estudos de Coortes , Feminino , Humanos , Internet , Masculino , Pessoa de Meia-Idade , Cooperação do Paciente , Recuperação de Função Fisiológica
13.
J Am Psychiatr Nurses Assoc ; 21(3): 195-211, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26156059

RESUMO

BACKGROUND: Community reintegration (CR) poses a major problem for military veterans who have experienced a traumatic brain injury (TBI). Factors contributing to CR after TBI are poorly understood. OBJECTIVE: To address the gap in knowledge, an ecological framework was used to explore individual and family factors related to CR. DESIGN: Baseline data from an intervention study with 83 veterans with primarily mild to moderate TBI were analyzed. Instruments measured CR, depressive symptoms, physical health, quality of the relationship with the family member, and sociodemographics. Posttraumatic stress disorder and TBI characteristics were determined through record review. RESULTS: Five variables that exhibited significant bivariate relationships with CR (veteran rating of quality of relationship, physical functioning, bodily pain, posttraumatic stress disorder diagnosis, and depressive symptoms) were entered into hierarchical regression analysis. In the final analysis, the five variables together accounted for 35% of the variance, but only depression was a significant predictor of CR, with more depressed veterans exhibiting lower CR. CONCLUSIONS: Efforts to support CR of Veterans with TBI should carefully assess and target depression, a modifiable factor.


Assuntos
Lesões Encefálicas/psicologia , Família/psicologia , Relações Interpessoais , Transtornos Mentais/psicologia , Características de Residência , Veteranos/psicologia , Adulto , Idoso , Lesões Encefálicas/epidemiologia , Comorbidade , Transtorno Depressivo/epidemiologia , Transtorno Depressivo/psicologia , Feminino , Humanos , Masculino , Transtornos Mentais/epidemiologia , Pessoa de Meia-Idade , Philadelphia , Apoio Social , Fatores Socioeconômicos , Transtornos de Estresse Pós-Traumáticos/epidemiologia , Transtornos de Estresse Pós-Traumáticos/psicologia , Veteranos/estatística & dados numéricos , Adulto Jovem
14.
J Nurs Scholarsh ; 46(2): 116-24, 2014 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-24354500

RESUMO

PURPOSE: To describe quality of life (QoL) in the year following minor injury and to test the hypothesis that individuals with depression in the postinjury year experience lower QoL than do individuals with no depression. DESIGN: Prospective, longitudinal, cohort design. A total of 275 adults were randomly selected from injured patients presenting to an urban emergency department. METHODS: All participants underwent structured psychiatric diagnostic interviews immediately after injury and at 3, 6, and 12 months. The primary outcome, QoL, was measured using the Quality of Life Index. Covariates included demographics, injury status, preinjury functional status, preinjury social support, and anticipation of problems postdischarge. The General Estimating Equation was used to compare changes in QoL between participants with and without depression over 3, 6, and 12 months, adjusting for covariates. RESULTS: An 18.1% proportion (95% confidence interval [CI] 13.3, 22.9%) of the sample met criteria for a mood disorder in the postinjury year. The depressed group reported a QoL that was 4.2 points (95% CI 2.8-5.6) lower in the year postinjury compared with that of the nondepressed group. CONCLUSIONS: Depression after minor injury negatively affects QoL even a full year postinjury. CLINICAL RELEVANCE: The findings of this study show that patients who have injuries that are treated and discharged from an emergency department can have significantly lower QoL in the year after that injury that is attributed, in part, to postinjury depression. Nurses should provide anticipatory guidance to patients that they may experience feelings of sadness or being "blue," and that if they do, they should seek care.


Assuntos
Depressão/diagnóstico , Qualidade de Vida/psicologia , Ferimentos e Lesões/psicologia , Adulto , Enfermagem em Emergência , Feminino , Seguimentos , Humanos , Entrevista Psicológica , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Fatores de Tempo , Índices de Gravidade do Trauma , Ferimentos e Lesões/enfermagem
15.
Pediatr Pulmonol ; 2024 Jul 23.
Artigo em Inglês | MEDLINE | ID: mdl-39041893

RESUMO

BACKGROUND: One-third of people with cystic fibrosis (pwCF) are food insecure, with profound negative implications for their health. This qualitative study explored lived experiences with food insecurity among pwCF or their caregivers and summarized their perspectives on food insecurity screening in the cystic fibrosis (CF) programs where they receive care. METHODS: Semi-structured qualitative interviews were conducted with two groups: (1) adults with CF and (2) parents or caregivers of children with CF. PwCF or their caregivers with previously documented food insecurity were referred for participation by pediatric and adult CF programs across the United States. Interviews were recorded and transcribed, and data were coded and analyzed by two independent coders using a content-analysis approach with a constant comparative method to generate themes. RESULTS: A total of 26 participants from 22 CF programs were interviewed. The sample included 17 adults with CF and nine parents of children with CF. Participants were predominantly White (88%) and female (92%). Five overarching themes emerged: (1) food insecurity among CF patients and their families is onerous, (2) financial constraints imposed by the CF disease contribute to food insecurity, (3) federal and state programs provide limited food assistance, and other support is minimal, (4) shame and stigma engulf conversations around food insecurity with CF care teams, and (5) food insecurity screening in clinical settings is critical. CONCLUSIONS: Food insecurity among pwCF is invisible, but its consequences are dire. Assistance is limited, screening is inconsistent, and stigma is widespread. There is an urgent need to normalize food insecurity screening, standardize the screening process, and expand food assistance programs for pwCF.

16.
PLoS Pathog ; 7(8): e1002191, 2011 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-21876672

RESUMO

The genus Salmonella contains two species, S. bongori and S. enterica. Compared to the well-studied S. enterica there is a marked lack of information regarding the genetic makeup and diversity of S. bongori. S. bongori has been found predominantly associated with cold-blooded animals, but it can infect humans. To define the phylogeny of this species, and compare it to S. enterica, we have sequenced 28 isolates representing most of the known diversity of S. bongori. This cross-species analysis allowed us to confidently differentiate ancestral functions from those acquired following speciation, which include both metabolic and virulence-associated capacities. We show that, although S. bongori inherited a basic set of Salmonella common virulence functions, it has subsequently elaborated on this in a different direction to S. enterica. It is an established feature of S. enterica evolution that the acquisition of the type III secretion systems (T3SS-1 and T3SS-2) has been followed by the sequential acquisition of genes encoding secreted targets, termed effectors proteins. We show that this is also true of S. bongori, which has acquired an array of novel effector proteins (sboA-L). All but two of these effectors have no significant S. enterica homologues and instead are highly similar to those found in enteropathogenic Escherichia coli (EPEC). Remarkably, SboH is found to be a chimeric effector protein, encoded by a fusion of the T3SS-1 effector gene sopA and a gene highly similar to the EPEC effector nleH from enteropathogenic E. coli. We demonstrate that representatives of these new effectors are translocated and that SboH, similarly to NleH, blocks intrinsic apoptotic pathways while being targeted to the mitochondria by the SopA part of the fusion. This work suggests that S. bongori has inherited the ancestral Salmonella virulence gene set, but has adapted by incorporating virulence determinants that resemble those employed by EPEC.


Assuntos
Evolução Biológica , Salmonella/genética , Animais , Escherichia coli Enteropatogênica/genética , Genes Bacterianos , Ilhas Genômicas/genética , Humanos , Filogenia , Salmonella enterica/genética , Análise de Sequência de DNA , Translocação Genética , Virulência/genética , Fatores de Virulência/genética
17.
Proc Natl Acad Sci U S A ; 107(7): 3129-34, 2010 Feb 16.
Artigo em Inglês | MEDLINE | ID: mdl-20133763

RESUMO

The human pathogens enteropathogenic (EPEC) and enterohemorrhagic Escherichia coli and the related mouse pathogen Citrobacter rodentium subvert a variety of host cell signaling pathways via their plethora of type III secreted effectors, including triggering of an early apoptotic response. EPEC-infected cells do not develop late apoptotic symptoms, however. In this study we demonstrate that the NleH family effectors, homologs of the Shigella effector kinase OspG, blocks apoptosis. During EPEC infection, NleH effectors inhibit elevation of cytosolic Ca(2+) concentrations, nuclear condensation, caspase-3 activation, and membrane blebbing and promote cell survival. NleH1 alone is sufficient to prevent procaspase-3 cleavage induced by the proapoptotic compounds staurosporine, brefeldin A, and tunicamycin. Using C. rodentium, we found that NleH inhibits procaspase-3 cleavage at the bacterial attachment sites in vivo. A yeast two-hybrid screen identified the endoplasmic reticulum six-transmembrane protein Bax inhibitor-1 (BI-1) as an NleH-interacting partner. We mapped the NleH-binding site to the N-terminal 40 amino acids of BI-1. Knockdown of BI-1 resulted in the loss of NleH's antiapoptotic activity. These results indicate that NleH effectors are inhibitors of apoptosis that may act through BI-1 to carry out their cytoprotective function.


Assuntos
Apoptose/efeitos dos fármacos , Infecções por Enterobacteriaceae/metabolismo , Proteínas de Escherichia coli/metabolismo , Proteínas de Membrana/metabolismo , Fatores de Virulência/metabolismo , Animais , Western Blotting , Cálcio/metabolismo , Caspase 3/metabolismo , Núcleo Celular/efeitos dos fármacos , Citrobacter rodentium , Clonagem Molecular , Citosol/metabolismo , Escherichia coli , Proteínas de Escherichia coli/farmacologia , Feminino , Proteínas de Membrana/genética , Camundongos , Microscopia Eletrônica de Varredura , Microscopia de Fluorescência , Organismos Livres de Patógenos Específicos , Técnicas do Sistema de Duplo-Híbrido , Fatores de Virulência/farmacologia
18.
J Gerontol Nurs ; 39(12): 43-54, 2013 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-23855328

RESUMO

The purpose of this study was to quantify the cardiovascular responses and enjoyment of one trial of electronic exercise gaming (EG) (Nintendo(®) Wii(™) Tennis) in healthy, older adults (mean age = 81 [SD = 4 years]). Findings indicate that 15 minutes of EG moderately increased heart rate (p < 0.001), blood pressure (p < 0.001), and perceived exertion (p < 0.0001) compared to resting levels. This corresponded to achieving 64% of age-predicted maximum heart rate. No differences were observed for the cardiovascular responses to EG between genders, but participants taking beta-blocker drugs showed an attenuated response (p < 0.05). All participants completed EG tennis without excessive fatigue, with 86% of participants enjoying the experience. There were only a few cases of EG-related arrhythmias (n = 2) and post-exercise muscle soreness (n = 3). These results suggest that Nintendo Wii Tennis EG technology represents an enjoyable, moderate intensity physical activity for healthy, older adults.


Assuntos
Fenômenos Fisiológicos Cardiovasculares , Exercício Físico , Idoso , Feminino , Humanos , Masculino
19.
J Cyst Fibros ; 2023 Sep 02.
Artigo em Inglês | MEDLINE | ID: mdl-37666711

RESUMO

BACKGROUND: As the nutritional status of people with CF (PwCF) is associated with their socioeconomic status, it is important to understand factors related to food security and food access that play a role in the nutritional outcomes of this population. We assessed the contributions of CF program-level food insecurity screening practices and area-level food access for nutritional outcomes among PwCF. METHODS: We conducted a cross-sectional analysis of 2019 data from the U.S. CF Patient Registry (CFFPR), linked to survey data on CF program-level food insecurity screening and 2019 patient zip code-level food access. Pediatric and adult populations were analyzed separately. Nutritional outcomes were assessed with annualized BMI percentiles (CDC charts) for children and BMI (kg/m2) for adults, with underweight status defined as BMIp <10% for children and BMI <18.5 kg/m2 for adults, and overweight or obese status defined as BMIp >85% for children and BMI >25 kg/m2 for adults. Analyses were adjusted for patient sociodemographic and clinical characteristics. RESULTS: The study population included 11,971 pediatric and 14,817 adult PwCF. A total of 137 CF programs responded to the survey, representing 71% of the pediatric sample and 45% of the CFFPR adult sample. The joint models of nutritional status as a function of both program-level food insecurity screening and area-level food access produced the following findings. Among children with CF, screening at every visit vs less frequently was associated with 39% lower odds of being underweight (OR 0.61, p = 0.019), and the effect remained the same and statistically significant after adjusting for all covariates (aOR 0.61, p = 0.047). Residence in a food desert was associated both with higher odds of being underweight (OR 1.66, p = 0.036; aOR 1.58, p = 0.008) and with lower BMIp (-4.81%, p = 0.004; adjusted -3.73%, p = 0.014). Among adults with CF, screening in writing vs verbally was associated with higher odds of being overweight (OR 1.22, p = 0.028; aOR 1.36, p = 0.002) and higher BMI (adjusted 0.43 kg/m2, p = 0.032). Residence in a food desert was associated with higher odds of being underweight (OR 1.48, p = 0.025). CONCLUSIONS: Food insecurity screening and local food access are independent predictors of nutritional status among PwCF. More frequent screening is associated with less underweight among children with CF, whereas screening in writing (vs verbally) is associated with higher BMI among adults. Limited food access is associated with higher odds of being underweight in both children and adults with CF, and additionally with lower BMI among children with CF. Study results highlight the need for standardized, evidence-based food insecurity screening across CF care programs and for equitable food access to optimize the nutritional outcomes of PwCF.

20.
J Clin Sleep Med ; 19(9): 1595-1603, 2023 09 01.
Artigo em Inglês | MEDLINE | ID: mdl-37185231

RESUMO

STUDY OBJECTIVES: Children with snoring and mild sleep-disordered breathing may be at increased risk for neurocognitive deficits despite few obstructive events. We hypothesized that actigraphy-based sleep duration and continuity associate with neurobehavioral functioning and explored whether these associations vary by demographic and socioeconomic factors. METHODS: 298 children enrolled in the Pediatric Adenotonsillectomy Trial, ages 3 to 12.9 years, 47.3% from racial or ethnic minority groups, with habitual snoring and an apnea-hypopnea index < 3 were studied with actigraphy (mean 7.5 ± 1.4 days) and completed a computerized vigilance task (Go-No-Go) and a test of fine motor control (9-Hole Pegboard). Caregivers completed the Behavior Rating Inventory of Executive Function. Regression analyses evaluated associations between sleep exposures (24-hour and nocturnal sleep duration, sleep fragmentation index, sleep efficiency) with the Behavior Rating Inventory of Executive Function Global Executive Composite index, pegboard completion time (fine motor control), and vigilance (d prime on the Go-No-Go), adjusting for demographic factors and study design measures. RESULTS: Longer sleep duration, higher sleep efficiency, and lower sleep fragmentation were associated with better executive function; each additional hour of sleep over 24 hours associated with more than a 3-point improvement in executive function (P = .002). Longer nocturnal sleep (P = .02) and less sleep fragmentation (P = .001) were associated with better fine motor control. Stronger associations were observed for boys and children less than 6 years old. CONCLUSIONS: Sleep quantity and continuity are associated with neurocognitive functioning in children with mild sleep-disordered breathing, supporting efforts to target these sleep health parameters as part of interventions for reducing neurobehavioral morbidity. CLINICAL TRIAL REGISTRATION: Registry: ClinicalTrials.gov; Name: Pediatric Adenotonsillectomy for Snoring (PATS); URL: https://clinicaltrials.gov/ct2/show/NCT02562040; Identifier: NCT02562040. CITATION: Robinson KA, Wei Z, Radcliffe J, et al. Associations of actigraphy measures of sleep duration and continuity with executive function, vigilance, and fine motor control in children with snoring and mild sleep-disordered breathing. J Clin Sleep Med. 2023;19(9):1595-1603.


Assuntos
Síndromes da Apneia do Sono , Ronco , Masculino , Criança , Humanos , Ronco/complicações , Função Executiva , Actigrafia , Duração do Sono , Privação do Sono/complicações , Etnicidade , Grupos Minoritários
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