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1.
J Gen Intern Med ; 2024 Mar 14.
Artigo em Inglês | MEDLINE | ID: mdl-38483779

RESUMO

OBJECTIVE: Over 25% of the 27 million uninsured individuals in the United States are eligible for Medicaid. Many hospitals have insurance linkage programs that assist eligible patients with enrollment, but little is known about the impact of these programs on care utilization. This research assessed health care utilization and health outcomes among patients enrolled in Medicaid via a hospital-based insurance linkage program. METHODS: This retrospective cohort study included adults aged 18-64 admitted to the hospital from 2016 to 2021. Those who obtained insurance retroactively via insurance linkage (RI) were compared with those who presented with Medicaid (MI) or remained uninsured (UI). The primary outcome was the presence of at least one visit with a primary care provider (PCP) in the 12 months following index admission. Secondary outcomes included having an assigned PCP, ED revisits, and hospital readmissions. For patients with diabetes and hypertension, 12-month hemoglobin A1c (HbA1c) and blood pressure (BP) readings were tracked. RESULTS: Of 3882 patients admitted with no insurance, 2905 (74.8%) were enrolled in insurance (RI). In multivariable analysis, RI patients were 14% more likely (OR 1.14, p = 0.020) to have completed at least one PCP visit by 12 months after index admission compared to those with preexisting Medicaid (MI), and uninsured patients were 29% less likely (OR 0.71, p = 0.003). MI and RI patients also had more ED revisits (p < 0.001) and greater 12-month reductions in blood pressure (p < 0.001) compared with uninsured patients. CONCLUSION: Hospital-based insurance linkage reached three-quarters of uninsured patients and was associated with increased utilization of acute and outpatient health care services. An acute care encounter represents an opportunity to connect patients to insurance, a key step toward improving their health outcomes.

2.
J Urban Health ; 101(3): 595-619, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38637462

RESUMO

We conducted a randomized controlled trial to determine whether an after-school program paired with a cash transfer (a conditional cash transfer) or a cash transfer alone (an unconditional cash transfer) can help improve health and economic outcomes for young men between the ages of 14 and 17 whose parents have low incomes and who live in neighborhoods with high crime rates. We find that receiving the cash transfer alone was associated with an increase in healthy behaviors (one of our primary outcome composite measures) and that the cash transfer paired with after-school programming was associated with an improvement in the financial health of participants (one of our secondary outcome composite measures). We find no differences in spending on alcohol, marijuana, cigarettes, or other drugs between either the treatment group and the control group. Neither the cash transfer alone nor the programming plus cash transfer had statistically significant effects on our other primary composite measures (physical and mental health or school attendance and disciplinary actions), or our other secondary composite measures (criminal justice engagement or social supports) but in most cases, confidence intervals were too large to rule out meaningful effects. Results suggest that cash transfers hold promise to improve the health of youth without any indication of any adverse effects.


Assuntos
Instituições Acadêmicas , Humanos , Masculino , Adolescente , Delaware , Exposição à Violência , Comportamentos Relacionados com a Saúde , Pobreza
3.
Emerg Infect Dis ; 29(8): 1638-1642, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-37343545

RESUMO

We characterized the epidemiology, host-pathogen characteristics, and outcomes of severe adult pulmonary Streptococcus pyogenes infections that coincided with a high community caseload in central Scotland, UK. The pulmonary infections had high illness and death rates and were associated with socioeconomic deprivation, influenza A co-infection, and the M1UK lineage of S. pyogenes.


Assuntos
Influenza Humana , Pneumonia , Infecções Estreptocócicas , Adulto , Humanos , Streptococcus pyogenes , Infecções Estreptocócicas/epidemiologia , Escócia/epidemiologia
4.
Hum Mol Genet ; 30(19): 1785-1796, 2021 09 15.
Artigo em Inglês | MEDLINE | ID: mdl-34059922

RESUMO

Non-Syndromic Hereditary Hearing Loss (NSHHL) is a genetically heterogeneous sensory disorder with about 120 genes already associated. Through exome sequencing (ES) and data aggregation, we identified a family with six affected individuals and one unrelated NSHHL patient with predicted-to-be deleterious missense variants in USP48. We also uncovered an eighth patient presenting unilateral cochlear nerve aplasia and a de novo splice variant in the same gene. USP48 encodes a ubiquitin carboxyl-terminal hydrolase under evolutionary constraint. Pathogenicity of the variants is supported by in vitro assays that showed that the mutated proteins are unable to hydrolyze tetra-ubiquitin. Correspondingly, three-dimensional representation of the protein containing the familial missense variant is situated in a loop that might influence the binding to ubiquitin. Consistent with a contribution of USP48 to auditory function, immunohistology showed that the encoded protein is expressed in the developing human inner ear, specifically in the spiral ganglion neurons, outer sulcus, interdental cells of the spiral limbus, stria vascularis, Reissner's membrane and in the transient Kolliker's organ that is essential for auditory development. Engineered zebrafish knocked-down for usp48, the USP48 ortholog, presented with a delayed development of primary motor neurons, less developed statoacoustic neurons innervating the ears, decreased swimming velocity and circling swimming behavior indicative of vestibular dysfunction and hearing impairment. Corroboratingly, acoustic startle response assays revealed a significant decrease of auditory response of zebrafish lacking usp48 at 600 and 800 Hz wavelengths. In conclusion, we describe a novel autosomal dominant NSHHL gene through a multipronged approach combining ES, animal modeling, immunohistology and molecular assays.


Assuntos
Perda Auditiva , Peixe-Zebra , Animais , Perda Auditiva/genética , Humanos , Hidrolases , Reflexo de Sobressalto , Ubiquitina , Proteases Específicas de Ubiquitina , Peixe-Zebra/genética
5.
BMC Health Serv Res ; 23(1): 698, 2023 Jun 27.
Artigo em Inglês | MEDLINE | ID: mdl-37370059

RESUMO

COVID Watch is a remote patient monitoring program implemented during the pandemic to support home dwelling patients with COVID-19. The program conferred a large survival advantage. We conducted semi-structured interviews of 85 patients and clinicians using COVID Watch to understand how to design such programs even better. Patients and clinicians found COVID Watch to be comforting and beneficial, but both groups desired more clarity about the purpose and timing of enrollment and alternatives to text-messages to adapt to patients' preferences as these may have limited engagement and enrollment among marginalized patient populations. Because inclusiveness and equity are important elements of programmatic success, future programs will need flexible and multi-channel human-to-human communication pathways for complex clinical interactions or for patients who do not desire tech-first approaches.


Assuntos
Atitude do Pessoal de Saúde , Atitude Frente a Saúde , COVID-19 , Monitorização Ambulatorial , Pacientes , Telemedicina , Humanos , COVID-19/epidemiologia , COVID-19/terapia , Pandemias , Preferência do Paciente , Pacientes/psicologia , Pacientes/estatística & dados numéricos , Monitorização Ambulatorial/métodos , Avaliação de Programas e Projetos de Saúde , Pesquisa Qualitativa , Desenvolvimento de Programas , Masculino , Feminino , Pessoa de Meia-Idade , Adulto , Idoso
6.
Ann Intern Med ; 175(2): 179-190, 2022 02.
Artigo em Inglês | MEDLINE | ID: mdl-34781715

RESUMO

BACKGROUND: Although most patients with SARS-CoV-2 infection can be safely managed at home, the need for hospitalization can arise suddenly. OBJECTIVE: To determine whether enrollment in an automated remote monitoring service for community-dwelling adults with COVID-19 at home ("COVID Watch") was associated with improved mortality. DESIGN: Retrospective cohort analysis. SETTING: Mid-Atlantic academic health system in the United States. PARTICIPANTS: Outpatients who tested positive for SARS-CoV-2 between 23 March and 30 November 2020. INTERVENTION: The COVID Watch service consists of twice-daily, automated text message check-ins with an option to report worsening symptoms at any time. All escalations were managed 24 hours a day, 7 days a week by dedicated telemedicine clinicians. MEASUREMENTS: Thirty- and 60-day outcomes of patients enrolled in COVID Watch were compared with those of patients who were eligible to enroll but received usual care. The primary outcome was death at 30 days. Secondary outcomes included emergency department (ED) visits and hospitalizations. Treatment effects were estimated with propensity score-weighted risk adjustment models. RESULTS: A total of 3488 patients enrolled in COVID Watch and 4377 usual care control participants were compared with propensity score weighted models. At 30 days, COVID Watch patients had an odds ratio for death of 0.32 (95% CI, 0.12 to 0.72), with 1.8 fewer deaths per 1000 patients (CI, 0.5 to 3.1) (P = 0.005); at 60 days, the difference was 2.5 fewer deaths per 1000 patients (CI, 0.9 to 4.0) (P = 0.002). Patients in COVID Watch had more telemedicine encounters, ED visits, and hospitalizations and presented to the ED sooner (mean, 1.9 days sooner [CI, 0.9 to 2.9 days]; all P < 0.001). LIMITATION: Observational study with the potential for unobserved confounding. CONCLUSION: Enrollment of outpatients with COVID-19 in an automated remote monitoring service was associated with reduced mortality, potentially explained by more frequent telemedicine encounters and more frequent and earlier presentation to the ED. PRIMARY FUNDING SOURCE: Patient-Centered Outcomes Research Institute.


Assuntos
COVID-19/terapia , Consulta Remota/métodos , Envio de Mensagens de Texto , Adulto , Idoso , COVID-19/mortalidade , Pesquisa Comparativa da Efetividade , Serviço Hospitalar de Emergência , Feminino , Serviços de Assistência Domiciliar , Hospitalização , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Estados Unidos/epidemiologia
8.
J Perinat Neonatal Nurs ; 34(4): E23-E31, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-33079811

RESUMO

Adverse childhood experiences and trauma significantly impact physical and mental health. Increased maternal perinatal depression/anxiety, preterm labor, and low birth weight, as well as infant morbidity and mortality, are some examples of the impact of trauma on perinatal health. Trauma-informed care begins with knowledge about trauma, the ability to recognize signs of a trauma response, responding to patients effectively, and resisting retraumatization. As holistic providers, perinatal nurses can create safe care environments, establish collaborative patient relationships based on trust, demonstrate compassion, offer patients options when possible to support patient autonomy, and provide resources for trauma survivors. This can prevent or reduce the negative impact of trauma and improve the health and well-being of infants, mothers, and future generations. This clinical article outlines key strategies for implementation of patient-centered trauma-informed perinatal nursing care.


Assuntos
Experiências Adversas da Infância/prevenção & controle , Enfermagem Holística/métodos , Enfermagem Materno-Infantil/métodos , Enfermagem Neonatal/métodos , Complicações na Gravidez , Transtornos Relacionados a Trauma e Fatores de Estresse , Depressão Pós-Parto/complicações , Depressão Pós-Parto/enfermagem , Feminino , Humanos , Lactente , Mortalidade Infantil , Recém-Nascido , Efeitos Adversos de Longa Duração/enfermagem , Efeitos Adversos de Longa Duração/prevenção & controle , Saúde Mental , Trabalho de Parto Prematuro/enfermagem , Trabalho de Parto Prematuro/psicologia , Assistência Centrada no Paciente , Gravidez , Complicações na Gravidez/enfermagem , Complicações na Gravidez/psicologia , Transtornos Relacionados a Trauma e Fatores de Estresse/etiologia , Transtornos Relacionados a Trauma e Fatores de Estresse/enfermagem , Transtornos Relacionados a Trauma e Fatores de Estresse/prevenção & controle
9.
Hum Mutat ; 40(12): 2286-2295, 2019 12.
Artigo em Inglês | MEDLINE | ID: mdl-31397523

RESUMO

Nonsyndromic hearing loss (NSHL), a common sensory disorder, is characterized by high clinical and genetic heterogeneity (i.e., approximately 115 genes and 170 loci so far identified). Nevertheless, almost half of patients submitted for genetic testing fail to receive a conclusive molecular diagnosis. We used next-generation sequencing to identify causal variants in PLS1 (c.805G>A, p.[E269K]; c.713G>T, p.[L238R], and c.383T>C, p.[F128S]) in three unrelated families of European ancestry with autosomal dominant NSHL. PLS1 encodes Plastin 1 (also called fimbrin), one of the most abundant actin-bundling proteins of the stereocilia. In silico protein modeling suggests that all variants destabilize the structure of the actin-binding domain 1, likely reducing the protein's ability to bind F actin. The role of PLS1 gene in hearing function is further supported by the recent demonstration that Pls1-/- mice show a hearing loss phenotype similar to that of our patients. In summary, we report PLS1 as a novel gene for autosomal dominant NSHL, suggesting that this gene is required for normal hearing in humans and mice.


Assuntos
Perda Auditiva Neurossensorial/genética , Glicoproteínas de Membrana/química , Glicoproteínas de Membrana/genética , Proteínas dos Microfilamentos/química , Proteínas dos Microfilamentos/genética , Mutação Puntual , Simulação por Computador , Feminino , Predisposição Genética para Doença , Sequenciamento de Nucleotídeos em Larga Escala , Humanos , Masculino , Modelos Moleculares , Linhagem , Ligação Proteica , Análise de Sequência de DNA , População Branca/genética
10.
Br J Anaesth ; 123(2): 126-134, 2019 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-30954237

RESUMO

BACKGROUND: Cardiac output (Q˙) monitoring can support the management of high-risk surgical patients, but the pulmonary artery catheterisation required by the current 'gold standard'-bolus thermodilution (Q˙T)-has the potential to cause life-threatening complications. We present a novel noninvasive and fully automated method that uses the inspired sinewave technique to continuously monitor cardiac output (Q˙IST). METHODS: Over successive breaths the inspired nitrous oxide (N2O) concentration was forced to oscillate sinusoidally with a fixed mean (4%), amplitude (3%), and period (60 s). Q˙IST was determined in a single-compartment tidal ventilation lung model that used the resulting amplitude/phase of the expired N2O sinewave. The agreement and trending ability of Q˙IST were compared with Q˙T during pharmacologically induced haemodynamic changes, before and after repeated lung lavages, in eight anaesthetised pigs. RESULTS: Before lung lavage, changes in Q˙IST and Q˙T from baseline had a mean bias of -0.52 L min-1 (95% confidence interval [CI], -0.41 to -0.63). The concordance between Q˙IST and Q˙T was 92.5% as assessed by four-quadrant analysis, and polar plot analysis revealed a mean angular bias of 5.98° (95% CI, -24.4°-36.3°). After lung lavage, concordance was slightly reduced (89.4%), and the mean angular bias widened to 21.8° (-4.2°, 47.6°). Impaired trending ability correlated with shunt fraction (r=0.79, P<0.05). CONCLUSIONS: The inspired sinewave technique provides continuous and noninvasive monitoring of cardiac output, with a 'marginal-good' trending ability compared with cardiac output based on thermodilution. However, the trending ability can be reduced with increasing shunt fraction, such as in acute lung injury.


Assuntos
Débito Cardíaco , Monitorização Fisiológica/métodos , Animais , Modelos Animais , Óxido Nitroso , Suínos , Termodiluição/métodos
11.
Med Ref Serv Q ; 38(4): 376-386, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31687906

RESUMO

Experienced medical librarians have been recruited by Mayo Clinic to provide contingency staffing. Functioning as just-in-time librarians, a nontraditional staffing plan was introduced in 2016 to affordably lessen stressors caused by fluctuating demands for library services such as literature searching. Contingent medical librarians were also needed to provide staffing coverage during the absences of existing full-time librarians, particularly Mayo's librarians employed as solo librarians working in hospital and smaller academic libraries. A four-year, nontraditional staffing plan which incorporates contingent medical librarians has proved to be a helpful, affordable, and sustainable staffing alternative for the libraries at Mayo Clinic.


Assuntos
Bibliotecários/estatística & dados numéricos , Bibliotecas Médicas/organização & administração , Admissão e Escalonamento de Pessoal/organização & administração , Recursos Humanos/estatística & dados numéricos , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Admissão e Escalonamento de Pessoal/estatística & dados numéricos , Estados Unidos
12.
J Gen Intern Med ; 33(6): 966-968, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29564608

RESUMO

Gender-based discrimination and bias are widespread in professional settings, including academic medicine. Overt manifestations such as sexual harassment have long been identified but attention is only more recently turning towards subtler forms of bias, including inequity in promotion and compensation. Barriers to progress vary across institutions and include lack of awareness, inadequate training, poor informational transparency, and challenging power dynamics. We propose five solutions that the academic medical community can adopt to not only name, but also address, gender-based bias as the proverbial elephant in the room: definitively identify the systemic nature of the problem, prompt those with influence and power to advance a culture of equity, broadly incorporate evidence-based explicit anti-sexist training, increase transparency of information related to professional development and compensation, and use robust research methods to study the drivers and potential solutions of gender inequity within academic medicine. While implementing these proposals is no small task, doing so is an important step in helping the academic medical community become more just.


Assuntos
Docentes de Medicina/psicologia , Papel do Médico/psicologia , Médicas/psicologia , Sexismo/psicologia , Feminino , Humanos , Sexismo/prevenção & controle
13.
Prev Chronic Dis ; 15: E64, 2018 05 24.
Artigo em Inglês | MEDLINE | ID: mdl-29806580

RESUMO

INTRODUCTION: Public libraries are free and accessible to all and are centers of community engagement and education, making them logical choices as partners for improving population health. Library staff members routinely assist patrons with unmet health and social needs. METHODS: We used a 100-question, self-administered web survey sent to all library directors listed in the Pennsylvania Library Association database (N = 621), to investigate staff interactions with library patrons to address social determinants of health. We conducted statistical comparisons of quantitative responses and a content analysis of open-ended responses. RESULTS: Respondents (N = 262) reported frequently interacting with patrons around health and social concerns - well beyond those related to literacy and education - including help with employment (94%), nutrition (70%), exercise (66%), and social welfare benefits (51%). Acute emergencies were not uncommon in Pennsylvania's public libraries, with nearly 12% of respondents having witnessed a drug overdose at the library in the past year. Most respondents felt that their professional training left them inadequately prepared to assist patrons with health and social issues. Although at least 40% of respondents offered some health programming at their library branch, their offerings did not meet the high level of need reflected in common patron inquiries. CONCLUSION: The challenges library staff members experience in meeting their patrons' information needs suggest opportunities for public libraries to advance population health. Library staff members need additional training and resources and collaboration with public health and health care institutions to respond to community needs through effective, evidence-based public health programming.


Assuntos
Bibliotecas/organização & administração , Saúde Pública , Coleta de Dados , Humanos , Pennsylvania
15.
Health Promot Pract ; 19(3): 361-368, 2018 05.
Artigo em Inglês | MEDLINE | ID: mdl-28984482

RESUMO

Public libraries are free and open to all-and accessed at high rates by vulnerable populations-which positions them to be key public health allies. However, library staff themselves often feel ill-equipped to address the health and social concerns of their patrons. To fill this gap, we developed a case-based training curriculum to help library staff recognize, engage, and refer vulnerable patrons to appropriate resources. Topics addressed in the training, including homelessness, mental health and substance use disorders, immigration, and trauma, were selected based on findings from a prior community needs assessment. Using a modified measure of self-efficacy, participants ( n = 33) were surveyed before and after each session. Several participants ( n = 7) were also interviewed 4 months after the training was completed. Overall, staff reported significant increases in comfort, confidence, and preparedness in assisting vulnerable patrons across all topic areas. Qualitative findings reflected positive perceived impact and value of the trainings. Staff felt training resources should be made more readily accessible. Improving library staff capacity to address the health and social needs of their patrons can further establish public libraries as partners in improving population health.


Assuntos
Capacitação em Serviço/organização & administração , Bibliotecas , Adolescente , Adulto , Idoso , Feminino , Promoção da Saúde , Humanos , Masculino , Pessoa de Meia-Idade , Desenvolvimento de Programas , Avaliação de Programas e Projetos de Saúde , Saúde Pública , Determinantes Sociais da Saúde , Inquéritos e Questionários , Populações Vulneráveis , Adulto Jovem
16.
Hum Mol Genet ; 24(9): 2641-8, 2015 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-25628337

RESUMO

Mutations in the GJB2 gene, which encodes the gap junction protein connexin 26 (Cx26), are the primary cause of hereditary prelingual hearing impairment. Here, the p.Cys169Tyr missense mutation of Cx26 (Cx26C169Y), previously classified as a polymorphism, has been identified as causative of severe hearing loss in two Qatari families. We have analyzed the effect of this mutation using a combination of confocal immunofluorescence microscopy and molecular dynamics simulations. At the cellular level, our results show that the mutant protein fails to form junctional channels in HeLa transfectants despite being correctly targeted to the plasma membrane. At the molecular level, this effect can be accounted for by disruption of the disulfide bridge that Cys169 forms with Cys64 in the wild-type structure (Cx26WT). The lack of the disulfide bridge in the Cx26C169Y protein causes a spatial rearrangement of two important residues, Asn176 and Thr177. In the Cx26WT protein, these residues play a crucial role in the intra-molecular interactions that permit the formation of an intercellular channel by the head-to-head docking of two opposing hemichannels resident in the plasma membrane of adjacent cells. Our results elucidate the molecular pathogenesis of hereditary hearing loss due to the connexin mutation and facilitate the understanding of its role in both healthy and affected individuals.


Assuntos
Alelos , Substituição de Aminoácidos , Conexinas/genética , Mutação de Sentido Incorreto , Linhagem Celular , Conexina 26 , Conexinas/química , Conexinas/metabolismo , Feminino , Junções Comunicantes/genética , Expressão Gênica , Genótipo , Perda Auditiva/diagnóstico , Perda Auditiva/genética , Humanos , Imuno-Histoquímica , Masculino , Modelos Moleculares , Linhagem , Polimorfismo Genético , Conformação Proteica , Domínios e Motivos de Interação entre Proteínas , Transfecção
17.
Hum Mol Genet ; 24(19): 5655-64, 2015 Oct 01.
Artigo em Inglês | MEDLINE | ID: mdl-26188009

RESUMO

Hearing loss and individual differences in normal hearing both have a substantial genetic basis. Although many new genes contributing to deafness have been identified, very little is known about genes/variants modulating the normal range of hearing ability. To fill this gap, we performed a two-stage meta-analysis on hearing thresholds (tested at 0.25, 0.5, 1, 2, 4, 8 kHz) and on pure-tone averages (low-, medium- and high-frequency thresholds grouped) in several isolated populations from Italy and Central Asia (total N = 2636). Here, we detected two genome-wide significant loci close to PCDH20 and SLC28A3 (top hits: rs78043697, P = 4.71E-10 and rs7032430, P = 2.39E-09, respectively). For both loci, we sought replication in two independent cohorts: B58C from the UK (N = 5892) and FITSA from Finland (N = 270). Both loci were successfully replicated at a nominal level of significance (P < 0.05). In order to confirm our quantitative findings, we carried out RT-PCR and reported RNA-Seq data, which showed that both genes are expressed in mouse inner ear, especially in hair cells, further suggesting them as good candidates for modulatory genes in the auditory system. Sequencing data revealed no functional variants in the coding region of PCDH20 or SLC28A3, suggesting that variation in regulatory sequences may affect expression. Overall, these results contribute to a better understanding of the complex mechanisms underlying human hearing function.


Assuntos
Caderinas/genética , Estudo de Associação Genômica Ampla/métodos , Audição/fisiologia , Proteínas de Membrana Transportadoras/genética , Proteínas do Tecido Nervoso/genética , Animais , Ásia Central , Caderinas/metabolismo , Surdez/genética , Predisposição Genética para Doença , Células Ciliadas Auditivas Internas/metabolismo , Audição/genética , Humanos , Itália , Proteínas de Membrana Transportadoras/metabolismo , Camundongos , Proteínas do Tecido Nervoso/metabolismo , Protocaderinas , Análise de Sequência de RNA/métodos
19.
Am J Public Health ; 106(11): 1958-1960, 2016 11.
Artigo em Inglês | MEDLINE | ID: mdl-27631747

RESUMO

Community-engaged researchers who work with low-income communities can be reliant on grant funding. We use the illustrative case of the Penn Center for Community Health Workers (PCCHW) to describe a step-by-step framework for achieving financial sustainability for community-engaged research interventions. PCCHW began as a small grant-funded research project but followed an 8-step framework to engage both low-income patients and funders, determine outcomes, and calculate return on investment. PCCHW is now fully funded by Penn Medicine and delivers the Individualized Management for Patient-Centered Targets (IMPaCT) community health worker intervention to 2000 patients annually.


Assuntos
Centros Médicos Acadêmicos/organização & administração , Agentes Comunitários de Saúde/organização & administração , Pobreza , Apoio à Pesquisa como Assunto/organização & administração , Centros Médicos Acadêmicos/economia , Doença Crônica/economia , Doença Crônica/epidemiologia , Agentes Comunitários de Saúde/economia , Acessibilidade aos Serviços de Saúde/organização & administração , Humanos , Satisfação do Paciente , Prevenção Primária/organização & administração , Avaliação de Programas e Projetos de Saúde , Apoio à Pesquisa como Assunto/economia
20.
Nanomedicine ; 12(4): 1033-1043, 2016 May.
Artigo em Inglês | MEDLINE | ID: mdl-26767511

RESUMO

When inhaled nanoparticles deposit in the lungs, they transit through respiratory tract lining fluid (RTLF) acquiring a biomolecular corona reflecting the interaction of the RTLF with the nanomaterial surface. Label-free snapshot proteomics was used to generate semi-quantitative profiles of corona proteins formed around silica (SiO2) and poly(vinyl) acetate (PVAc) nanoparticles in RTLF, the latter employed as an archetype drug delivery vehicle. The evolved PVAc corona was significantly enriched compared to that observed on SiO2 nanoparticles (698 vs. 429 proteins identified); however both coronas contained a substantial contribution from innate immunity proteins, including surfactant protein A, napsin A and complement (C1q and C3) proteins. Functional protein classification supports the hypothesis that corona formation in RTLF constitutes opsonisation, preparing particles for phagocytosis and clearance from the lungs. These data highlight how an understanding of the evolved corona is necessary for the design of inhaled nanomedicines with acceptable safety and tailored clearance profiles. FROM THE CLINICAL EDITOR: Inhaled nanoparticles often acquire a layer of protein corona while they go through the respiratory tract. Here, the authors investigated the identity of these proteins. The proper identification would improve the understanding of the use of inhaled nanoparticles in future therapeutics.


Assuntos
Sistemas de Liberação de Medicamentos , Nanopartículas/administração & dosagem , Coroa de Proteína , Sistema Respiratório/metabolismo , Adulto , Ácido Aspártico Endopeptidases/biossíntese , Ácido Aspártico Endopeptidases/isolamento & purificação , Líquidos Corporais/metabolismo , Complemento C1q/biossíntese , Complemento C1q/isolamento & purificação , Complemento C3/biossíntese , Complemento C3/isolamento & purificação , Feminino , Regulação da Expressão Gênica/efeitos dos fármacos , Humanos , Masculino , Nanopartículas/efeitos adversos , Proteômica , Proteína A Associada a Surfactante Pulmonar/biossíntese , Proteína A Associada a Surfactante Pulmonar/isolamento & purificação , Sistema Respiratório/efeitos dos fármacos , Dióxido de Silício/administração & dosagem , Dióxido de Silício/química
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