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1.
Acta Ortop Mex ; 38(1): 48-51, 2024.
Artigo em Espanhol | MEDLINE | ID: mdl-38657151

RESUMO

Long COVID is a term used to describe the long-terms effects of COVID-19 infection that continue for weeks or months after the patient has recovered from COVID-19. Long COVID is defined by the persistence of symptoms beyond 12 weeks from the onset of the disease. Corticosteroids are part of the treatment in this period with good results in controlling the disease; however, it is a predisposing factor for the development of avascular necrosis. We present a clinic case of a young man of 39 years old with diagnosis of avascular necrosis in his left hip, before the administration of corticosteroids for the treatment of COVID-19. There is a lack of consensus about the dosage and duration of steroids required to develop avascular necrosis. Some authors have reported that cumulative dose of 2,000 mg prednisone (or its equivalent) was required for avascular necrosis development. For patients with advanced avascular necrosis stages total hip arthroplasty is an attractive option with excellent outcomes in terms of pain relief and survivorship.


El COVID de larga duración es un término que describe la enfermedad en pacientes que se recuperaron de una infección por COVID-19 y reportan síntomas por más de 12 semanas. Los corticosteroides forman parte del tratamiento en este período con buenos resultados en el control de la enfermedad; sin embargo, el uso de este grupo de medicamentos se ha descrito como un factor de riesgo para el desarrollo de necrosis avascular. Se describe el caso clínico de un paciente masculino de 39 años con diagnóstico de necrosis avascular de la cadera izquierda posterior a la administración de corticosteroides para el tratamiento de COVID-19. La dosis de esteroides capaz de provocar necrosis avascular no está clara o bien descrita; sin embargo, existen reportes en la literatura donde se habla de dosis de 2,000 mg de prednisona (o equivalentes) para su desarrollo. El tratamiento de la necrosis avascular tiene como objetivo el alivio del dolor, retardar la progresión del cuadro, prevenir el colapso en etapas tempranas y restaurar la función articular. La artroplastía o recambio total de cadera parece ser una excelente opción de tratamiento quirúrgico para aquellos pacientes en etapas avanzadas.


Assuntos
COVID-19 , Necrose da Cabeça do Fêmur , Humanos , Masculino , COVID-19/complicações , Adulto , Necrose da Cabeça do Fêmur/etiologia , Necrose da Cabeça do Fêmur/cirurgia , Fatores de Tempo , Artroplastia de Quadril , Glucocorticoides/uso terapêutico , Glucocorticoides/administração & dosagem
2.
Rev Neurol ; 78(5): 121-125, 2024 Mar 01.
Artigo em Espanhol | MEDLINE | ID: mdl-38416503

RESUMO

INTRODUCTION: Epileptic seizures are a common cause of admission in emergency services at hospitals. Performing the correct diagnosis can be difficult, and deciding when and which anti-seizure medication (ASM) to prescribe is critical. Our objective is to detail the characteristics of patients treated in a medium-sized hospital for this reason. PATIENTS AND METHODS: A retrospective observational study was performed, including all the adult patients treated by the emergency service of the Lucus Augusti University Hospital between January 2022 and January 2023 with a diagnosis of epileptic seizure on discharge. The study recorded their demographic variables, history, whether it was their first seizure, the number of seizures, whether an anti-seizure medication was administered and which one, the diagnosis, the tests performed, and whether the patient was referred to the neurology service. RESULTS: A total of 122 patients were diagnosed with epileptic seizures in the emergency service. 50.8% of the patients were women. The mean age was 69.8 years. Neurological assessment was requested for 47.6%. 50.8% presented their first seizure. No diagnosis was performed in 46% of the cases, of which only 10 were evaluated by the neurology service. The most common etiology was vascular. An electroencephalogram was performed on 41.8%. Levetiracetam was practically the only drug administered when the neurology department was not consulted. CONCLUSIONS: Early evaluation of patients with their first seizure in the emergency service by a neurological specialist is crucial for the diagnosis of epilepsy. The same anti-seizure medication is almost always prescribed when no cross-consultation takes place.


TITLE: Crisis en urgencias: una vista a las características clínicas y terapéuticas a través de 122 pacientes.Introducción. Las crisis epilépticas son un motivo frecuente de consulta en los servicios de urgencias hospitalarias. Llegar al diagnóstico correcto puede ser complejo, y es fundamental decidir cuándo y qué medicamento anticrisis (MAC) pautar. Nuestro objetivo es detallar las características de los pacientes que consultaron por este motivo en un hospital mediano. Pacientes y métodos. Estudio observacional retrospectivo de todos los pacientes mayores de edad que consultaron en el servicio de urgencias del Hospital Universitario Lucus Augusti entre enero de 2022 y enero de 2023 con diagnóstico al alta de crisis epiléptica. Se registraron variables demográficas, los antecedentes, si era una primera crisis, el número de éstas, si se inició un MAC y cuál, el diagnóstico, qué pruebas se realizaron y si se interconsultó con la guardia de neurología. Resultados. Se diagnosticó a 122 pacientes de crisis epilépticas en urgencias. El 50,8% eran mujeres. La media de edad fue de 69,8 años. Se solicitó valoración por neurología en un 47,6%. El 50,8% presentó una primera crisis. No se llegó al diagnóstico en un 46% de los casos, de los cuales sólo 10 fueron valorados por neurología. La etiología más frecuente fue la vascular. Se realizó un electroencefalograma en un 41,8%. El levetiracetam fue prácticamente el único fármaco utilizado cuando no se consultó con neurología. Conclusiones. La valoración precoz de los pacientes con una primera crisis en urgencias por un especialista en neurología es determinante para el diagnóstico de epilepsia. Cuando no se interconsulta, casi siempre se pauta el mismo MAC.


Assuntos
Serviços Médicos de Emergência , Adulto , Humanos , Feminino , Idoso , Masculino , Eletroencefalografia , Hospitalização , Hospitais Universitários , Convulsões/diagnóstico , Convulsões/tratamento farmacológico
3.
Chemosphere ; 349: 140949, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38096990

RESUMO

Most research on pharmaceutical presence in the environment to date has focused on smaller scale assessments of freshwater and riverine systems, relying mainly on assays of water samples, while studies in marine ecosystems and of exposed biota are sparse. This study investigated the pharmaceutical burden in bonefish (Albula vulpes), an important recreational and artisanal fishery, to quantify pharmaceutical exposure throughout the Caribbean Basin. We sampled 74 bonefish from five regions, and analyzed them for 102 pharmaceuticals. We assessed the influence of sampling region on the number of pharmaceuticals, pharmaceutical assemblage, and risk of pharmacological effects. To evaluate the risk of pharmacological effects at the scale of the individual, we proposed a metric based on the human therapeutic plasma concentration (HTPC), comparing measured concentrations to a threshold of 1/3 the HTPC for each pharmaceutical. Every bonefish had at least one pharmaceutical, with an average of 4.9 and a maximum of 16 pharmaceuticals in one individual. At least one pharmaceutical was detected in exceedance of the 1/3 HTPC threshold in 39% of bonefish, with an average of 0.6 and a maximum of 11 pharmaceuticals exceeding in a Key West individual. The number of pharmaceuticals (49 detected in total) differed across regions, but the risk of pharmacological effects did not (23 pharmaceuticals exceeded the 1/3 HTPC threshold). The most common pharmaceuticals were venlafaxine (43 bonefish), atenolol (36), naloxone (27), codeine (27), and trimethoprim (24). Findings suggest that pharmaceutical detections and concentration may be independent, emphasizing the need to monitor risk to biota regardless of exposure diversity, and to focus on risk quantified at the individual level. This study supports the widespread presence of pharmaceuticals in marine systems and shows the utility of applying the HTPC to assess the potential for pharmacological effects, and thus quantify impact of exposure at large spatial scales.


Assuntos
Ecossistema , Poluentes Químicos da Água , Humanos , Animais , Peixes , Região do Caribe , Biota , Preparações Farmacêuticas , Poluentes Químicos da Água/toxicidade , Monitoramento Ambiental
4.
BMC Geriatr ; 23(1): 815, 2023 12 07.
Artigo em Inglês | MEDLINE | ID: mdl-38062368

RESUMO

BACKGROUND: Dysregulated energy metabolism is one hypothesized mechanism underlying frailty. Resting energy expenditure, as reflected by resting metabolic rate (RMR), makes up the largest component of total energy expenditure. Prior work relating RMR to frailty has largely been done in cross section with mixed results. We investigated whether and how RMR related to 1-year frailty change while adjusting for body composition. METHODS: N = 116 urban, predominantly African-American older adults were recruited between 2011 and 2019. One-year frailty phenotype (0-5) was regressed on baseline RMR, frailty phenotype, demographics and body composition (DEXA) in an ordinal logistic regression model. Multimorbidity (Charlson comorbidity scale, polypharmacy) and cognitive function (Montreal Cognitive Assessment) were separately added to the model to assess for change to the RMR-frailty relationship. The model was then stratified by baseline frailty status (non-frail, pre-frail) to explore differential RMR effects across frailty. RESULTS: Higher baseline RMR was associated with worse 1-year frailty (odds ratio = 1.006 for each kcal/day, p = 0.001) independent of baseline frailty, demographics, and body composition. Lower fat-free mass (odds ratio = 0.88 per kg mass, p = 0.008) was independently associated with worse 1-year frailty scores. Neither multimorbidity nor cognitive function altered these relationships. The associations between worse 1-year frailty and higher baseline RMR (odds ratio = 1.009, p < 0.001) and lower baseline fat-free mass (odds ratio = 0.81, p = 0.006) were strongest among those who were pre-frail at baseline. DISCUSSION: We are among the first to relate RMR to 1-year change in frailty scores. Those with higher baseline RMR and lower fat-free mass had worse 1-year frailty scores, but these relationships were strongest among adults who were pre-frail at baseline. These relationships were not explained by chronic disease or impaired cognition. These results provide new evidence suggesting higher resting energy expenditure is associated with accelerate frailty decline.


Assuntos
Metabolismo Basal , Fragilidade , Humanos , Idoso , Fragilidade/diagnóstico , Fragilidade/epidemiologia , Metabolismo Energético , Composição Corporal , Doença Crônica
5.
Acta Ortop Mex ; 37(3): 152-158, 2023.
Artigo em Espanhol | MEDLINE | ID: mdl-38052436

RESUMO

INTRODUCTION: all-in meniscal suture devices have evolved and simplified meniscal repair. In this study we will formulate the following research questions: what is the rate of survival and failure? What are the risk factors associated with failure? And what are the functional results after meniscal repair surgery? MATERIAL AND METHODS: ambispective study from 2001 to 2021 of patients with repairable meniscal injury with all-in meniscal suture devices. The survival and failure ratio were obtained with the Kaplan-Meier test, the risk factors associated with meniscal suture failure were assessed with the logistic regression test, and the pre- and post-surgical functional results were estimated with the test. t-Student. RESULTS: in 20 years of follow-up of 316 menisci repaired with all-in meniscal sutures, a survival rate of 95.9% was obtained. The absence of injury to the anterior horn of the meniscus was shown to be a protective factor [OR = 0.12], together with not practicing impact sports [OR = 0.2]. Post-surgery IKDC and Tegner-Lysholm results were shown to be very good to excellent (p < 0.0001). CONCLUSION: all-in meniscal suture devices are and will continue to be front-line weapons in the repair of meniscal tears. In 20 years of follow-up, a lower failure rate was evidenced, associated with excellent functional results.


INTRODUCCIÓN: los dispositivos de suturas meniscal todo adentro han evolucionado y simplificado la reparación meniscal. En este estudio formulamos las siguientes preguntas de investigación: ¿cuál es la tasa de supervivencia y falla?, ¿cuáles son los factores de riesgo asociado a falla? y ¿cuáles son los resultados funcionales posterior a la cirugía de reparación meniscal? MATERIAL Y MÉTODOS: estudio ambispectivo desde el 2001 al 2021 de pacientes con lesión meniscal reparable con dispositivos meniscales de sutura todo adentro. La razón de supervivencia y falla se obtuvo con el test de Kaplan-Meier, los factores de riesgo asociado con falla de la sutura meniscal se valoraron con el test de regresión logística y los resultados funcionales pre y postquirúrgicos fueron estimados con la prueba t-Student. RESULTADOS: en 20 años de seguimiento de 316 menisco reparados con suturas meniscal todo adentro se obtuvo que la razón de supervivencia de 95.9%. La ausencia de lesión del cuerno anterior del menisco se mostró como un factor protector [OR = 0.12], junto a la no práctica de deportes de impacto [OR = 0.2]. Se mostraron resultados del IKDC y Tegner-Lysholm posterior a la cirugía de muy buenos a excelentes (p < 0.0001). CONCLUSIÓN: los dispositivos de sutura de meniscal todo adentro son y seguirán siendo armas de primera línea en la reparación de las roturas meniscales. En 20 años de seguimiento se evidenció una menor tasa de falla, asociados con excelentes resultados funcionales.


Assuntos
Meniscos Tibiais , Lesões do Menisco Tibial , Humanos , Artroscopia , Meniscos Tibiais/cirurgia , Estudos Retrospectivos , Técnicas de Sutura , Suturas , Lesões do Menisco Tibial/cirurgia
6.
BMC Med Ethics ; 24(1): 101, 2023 11 25.
Artigo em Inglês | MEDLINE | ID: mdl-38007515

RESUMO

BACKGROUND: Voluntary post-mortem donation to science (PDS) is the most appropriate source for body dissection in medical education and training, and highly useful for biomedical research. In Mexico, unclaimed bodies are no longer a legal source, but PDS is legally possible, although scarcely facilitated, and mostly ignored by the general population. Therefore, we aimed to evaluate the attitude and willingness for PDS and to identify a sociodemographic profile of people with willingness toward PDS. METHODS: A validated on-line survey was distributed by the convenience method via the social networks of a Catholicism-inspired, private university in northern Mexico. Frequency analyses of all variables and coded free comments were complemented with association studies. RESULTS: Although the responder cohort (n = 143) was too small and biased to be representative of the university community (n = 13,500), willingness to post-mortem organ donation was 90.7% and to PDS 70.7%. In this cohort, PDS willingness had the strongest association with mature age (> 40 years old; P, 0.0008). Among young adults, willingness to PDS was the lowest among volunteers from technical and business schools and the highest among those from the social sciences (P, 0.009). Respondents from the social sciences were also the most consistent between attitude and behavior with respect to organ donation. A free comment option revealed respondents were interested in the unusual taboo topic. CONCLUSIONS: A small, but sufficiently large proportion expressed willingness toward PDS. In our university cohort, which was biased in higher education and altruism, mature age and social interest were associated with PDS willingness.


Assuntos
Doadores de Tecidos , Obtenção de Tecidos e Órgãos , Adulto Jovem , Humanos , Adulto , Universidades , México , Inquéritos e Questionários , Conhecimentos, Atitudes e Prática em Saúde
7.
ACS Chem Neurosci ; 14(22): 4026-4038, 2023 11 15.
Artigo em Inglês | MEDLINE | ID: mdl-37906715

RESUMO

Many neurodegenerative diseases involve amyloidogenic proteins forming surface-bound aggregates on anionic membranes, and the peptide amyloid ß (Aß) in Alzheimer's disease is one prominent example of this. Curcumin is a small polyphenolic molecule that provides an interesting opportunity to understand the fundamental mechanisms of membrane-mediated aggregation because it embeds into membranes to alter their structure while also altering Aß aggregation in an aqueous environment. The purpose of this work was to understand interactions among curcumin, ß-sheet-rich Aß fibrillar oligomers (FO), and a model anionic membrane. From a combination of liquid surface X-ray scattering experiments and molecular dynamics simulations, we found that curcumin embedded into an anionic 1,2-dimyristoyl-sn-glycero-3-phosphorylglycerol (DMPG) membrane to rest between the lipid headgroups and the tails, causing disorder and membrane thinning. FO accumulation on the membrane was reduced by ∼66% in the presence of curcumin, likely influenced by membrane thinning. Simulation results suggested curcumin clusters near exposed phenylalanine residues on a membrane-embedded FO structure. Altogether, curcumin inhibited FO interactions with a DMPG membrane, likely through a combination of altered membrane structure and interactions with the FO surface. This work elucidates the mechanism of curcumin as a small molecule that inhibits amyloidogenesis through a combination of both membrane and protein interactions.


Assuntos
Doença de Alzheimer , Curcumina , Humanos , Peptídeos beta-Amiloides/metabolismo , Curcumina/farmacologia , Curcumina/química , Doença de Alzheimer/metabolismo , Simulação de Dinâmica Molecular , Amiloide/metabolismo
8.
Acta Trop ; 247: 107008, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37634684

RESUMO

Coxiella burnetii (C. burnetii) is a highly resilient zoonotic bacterium responsible for Q fever, a disease which occurs worldwide, with the exception of New Zealand. However, in Chile, the prevalence and impact of C. burnetii in cattle herds remain poorly understood due to limited research. This study aimed to assess the presence of C. burnetii in dairy cattle herds in southern Chile, using two diagnostic methods on bulk tank milk samples. The results of the study revealed a high prevalence of C. burnetii infection in the analyzed herds. Of the 271 milk tank samples tested, 76% (208/271, CI: 71.1-81.5) tested positive using ELISA, while 73% (200/271, CI: 68.0-78.8) tested positive using qPCR. These findings indicate a significant presence of C. burnetii in the cattle herds studied. Despite the high prevalence observed, no new Q fever outbreaks have been reported in the study area. This discrepancy highlights the need for further research to better understand the transmission dynamics, environmental factors, and livestock management practices associated with C. burnetii infection. These studies will contribute to the development of effective prevention and control strategies and promote public health regarding Q fever.


Assuntos
Coxiella burnetii , Febre Q , Bovinos , Animais , Coxiella burnetii/genética , Febre Q/epidemiologia , Febre Q/veterinária , Chile/epidemiologia , Leite , Prevalência , Reação em Cadeia da Polimerase , Ensaio de Imunoadsorção Enzimática
9.
Rev. neurol. (Ed. impr.) ; 77(4): 105-108, Agos 16, 2023. ilus
Artigo em Espanhol | IBECS | ID: ibc-224061

RESUMO

Introducción: En la evaluación de la epilepsia farmacorresistente, el análisis detallado de la semiología es fundamental para establecer una hipótesis diagnóstica de la localización de la zona epileptógena. La señal de la cruz es un automatismo manual complejo muy infrecuente descrito por primera vez en 2008 y poco referido en la bibliografía. Caso clínico: Presentamos dos casos con presencia de la señal de la cruz de nuestra serie de pacientes monitorizados mediante videoelectroencefalograma, uno de ellos estudiado también con electrodos profundos, en los que describimos la localización de la descarga en el momento de realizar la señal de la cruz. Se realiza también una revisión bibliográfica para intentar establecer un valor localizador y/o lateralizador de este signo.(AU)


Introduction: In the evaluation of drug-resistant epilepsy, a detailed analysis of the semiology is essential to establish a diagnostic hypothesis of the location of the epileptogenic zone. Cross-sign (CS) is a very infrequent complex manual automatism described for the first time in 2008 and rarely reported in the literature. Case report: We present two cases from our series of patients monitored by video-EEG, one of whom also studied with deep electrodes, in which we describe the location of the discharge while performing the CS. A bibliographic review is also carried out to try to establish a localizing and/or lateralizing value of this sign. Conclusion: The sign of the cross is a rare ictal automatism that occurs in patients with temporal lobe epilepsy. The hand used to make the sign of the cross is the dominant one, regardless of the origin of the crises.(AU)


Assuntos
Humanos , Masculino , Adulto , Pessoa de Meia-Idade , Epilepsia do Lobo Temporal/tratamento farmacológico , Epilepsia , Automatismo , Epilepsia Resistente a Medicamentos , Pacientes Internados , Exame Físico , Neurologia , Doenças do Sistema Nervoso
10.
Rev Neurol ; 77(4): 105-108, 2023 08 16.
Artigo em Espanhol | MEDLINE | ID: mdl-37489859

RESUMO

INTRODUCTION: In the evaluation of drug-resistant epilepsy (DRF), a detailed analysis of the semiology is essential to establish a diagnostic hypothesis of the location of the epileptogenic zone. Cross-sign (CS) is a very infrequent complex manual automatism described for the first time in 2008 and rarely reported in the literature. CASE REPORT: We present two cases from our series of patients monitored by videoEEG, one of whom also studied with deep electrodes, in which we describe the location of the discharge while performing the CS. A bibliographic review is also carried out to try to establish a localizing and/or lateralizing value of this sign. CONCLUSION: The sign of the cross is a rare ictal automatism that occurs in patients with temporal lobe epilepsy. The hand used to make the sign of the cross is the dominant one, regardless of the origin of the crises.


TITLE: La señal de la cruz: un automatismo muy poco frecuente en la epilepsia del lóbulo temporal. Descripción de dos casos.Introducción. En la evaluación de la epilepsia farmacorresistente, el análisis detallado de la semiología es fundamental para establecer una hipótesis diagnóstica de la localización de la zona epileptógena. La señal de la cruz es un automatismo manual complejo muy infrecuente descrito por primera vez en 2008 y poco referido en la bibliografía. Caso clínico. Presentamos dos casos con presencia de la señal de la cruz de nuestra serie de pacientes monitorizados mediante videoelectroencefalograma, uno de ellos estudiado también con electrodos profundos, en los que describimos la localización de la descarga en el momento de realizar la señal de la cruz. Se realiza también una revisión bibliográfica para intentar establecer un valor localizador y/o lateralizador de este signo. Conclusión. La señal de la cruz es un raro automatismo ictal que ocurre en pacientes con epilepsia del lóbulo temporal. La mano empleada para la señal de la cruz es la dominante, independientemente del origen de las crisis.


Assuntos
Epilepsia Resistente a Medicamentos , Epilepsia do Lobo Temporal , Humanos , Automatismo , Eletrodos , Mãos
11.
SEMERGEN, Soc. Esp. Med. Rural Gen. (Ed. Impr.) ; 49(2): [e101910], mar. 2023. tab
Artigo em Espanhol | IBECS | ID: ibc-217186

RESUMO

Fundamentos El estilo de vida es un constructo teórico que está formado por los hábitos de vida de un sujeto. El análisis y la cuantificación objetivable del estilo de vida, puede tener un gran impacto sobre la salud de las personas, así como en la evolución del estado de la misma con el transcurso de los años. El objetivo de la presente investigación ha sido la validación de la Escala de valoración del estilo de vida saludable adquirido (E-VEVSA) en adultos españoles. Métodos Sobre una muestra inicial para las pruebas exploratorias de 248 sujetos y final para las pruebas confirmatorias de 780 sujetos, de edades comprendidas entre los 22 y 72 años de edad, se realizaron pruebas psicométricas exploratorias y confirmatorias basadas en el estadístico alfa de Cronbach (fiabilidad) y análisis factorial exploratorio con rotación oblicua (oblimin) y confirmatorio con rotación varimax (validez de constructo), que dieron lugar a un instrumento definitivo formado por 52 ítems y estructurado en siete dimensiones: Responsabilidad individual en el cuidado de la salud (nueve ítems), hábitos de práctica físico-deportiva (seis ítems), hábitos de salud en las relaciones sociales (10 ítems), hábito de consumo de tabaco y alcohol (nueve ítems), hábito de alimentación saludable (siete ítems), hábito de salud psicológica (seis ítems) y hábito de descanso y sueño diario (cinco ítems). Resultados Todos los ítems explicaron una varianza total de 66,87% y un alfa de Cronbach de 0,894, estando por encima de 0,700 el alfa parcial de cada dimensión o factor. Conclusiones Los resultados arrojan pruebas psicométricas que confirman la validez de la escala E-VEVSA como un instrumento útil para medir el estilo de vida saludable adquirido en personas adultas (AU)


Background Lifestyle is a theoretical construct that is formed by the life habits of a subject. The analysis and objective quantification of lifestyle can have a great impact on people's health, as well as on the evolution of its status over the years. The objective of this research has been the validation of the Acquired Healthy Lifestyle Assessment Scale (E-VEVSA) in Spanish adults. Method On an initial sample for the exploratory tests of 248 subjects and a final sample for the confirmatory tests of 780 subjects, aged between 22 and 72 years of age. Exploratory and confirmatory psychometric tests were carried out based on the Cronbach's alpha statistic (reliability) and exploratory factorial analysis with oblique rotation (oblimin) and confirmatory with varimax rotation (construct validity), which resulted in an instrument made up of 52 items and structured in 7 dimensions: individual responsibility in health care (9 items), habits of physical-sports practice (6 items), health habits in social relationships (10 items), habit of tobacco and alcohol consumption (9 items), habit of healthy eating (7 items), psychological health habits (6 items) and daily rest and sleep habits (5 items). Results All the items explained a total variance of 66.87% and a Cronbach's alpha of .894, with the partial alpha of each dimension or factor being above .700. Conclusions The results show psychometric tests that confirm the validity of the E-VEVSA scale as a useful instrument to measure the healthy lifestyle acquired among adults (AU)


Assuntos
Humanos , Masculino , Feminino , Adulto Jovem , Adulto , Pessoa de Meia-Idade , Idoso , Estilo de Vida Saudável , Inquéritos e Questionários , Reprodutibilidade dos Testes , Qualidade de Vida , Espanha , Psicometria
12.
Infect Control Hosp Epidemiol ; 44(4): 589-596, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-35706396

RESUMO

OBJECTIVE: To describe the genomic analysis and epidemiologic response related to a slow and prolonged methicillin-resistant Staphylococcus aureus (MRSA) outbreak. DESIGN: Prospective observational study. SETTING: Neonatal intensive care unit (NICU). METHODS: We conducted an epidemiologic investigation of a NICU MRSA outbreak involving serial baby and staff screening to identify opportunities for decolonization. Whole-genome sequencing was performed on MRSA isolates. RESULTS: A NICU with excellent hand hygiene compliance and longstanding minimal healthcare-associated infections experienced an MRSA outbreak involving 15 babies and 6 healthcare personnel (HCP). In total, 12 cases occurred slowly over a 1-year period (mean, 30.7 days apart) followed by 3 additional cases 7 months later. Multiple progressive infection prevention interventions were implemented, including contact precautions and cohorting of MRSA-positive babies, hand hygiene observers, enhanced environmental cleaning, screening of babies and staff, and decolonization of carriers. Only decolonization of HCP found to be persistent carriers of MRSA was successful in stopping transmission and ending the outbreak. Genomic analyses identified bidirectional transmission between babies and HCP during the outbreak. CONCLUSIONS: In comparison to fast outbreaks, outbreaks that are "slow and sustained" may be more common to units with strong existing infection prevention practices such that a series of breaches have to align to result in a case. We identified a slow outbreak that persisted among staff and babies and was only stopped by identifying and decolonizing persistent MRSA carriage among staff. A repeated decolonization regimen was successful in allowing previously persistent carriers to safely continue work duties.


Assuntos
Staphylococcus aureus Resistente à Meticilina , Infecções Estafilocócicas , Recém-Nascido , Lactente , Humanos , Staphylococcus aureus Resistente à Meticilina/genética , Resistência a Meticilina , Unidades de Terapia Intensiva Neonatal , Infecções Estafilocócicas/epidemiologia , Surtos de Doenças/prevenção & controle , Genômica , Atenção à Saúde
13.
J Endocrinol Invest ; 46(1): 141-149, 2023 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-35943722

RESUMO

PURPOSE: Simple screening tests to determine whether Cushing's syndrome (CS) should be ruled out are lacking. Tools that enable early diagnosis could reduce morbidity and associated sequelae. The potential of glucocorticoid-induced changes in the white blood cell (WBC) count for raising suspicion of CS is assessed. METHODS: This was a retrospective case‒control study. The WBC counts of 73 cases with CS and 146 matched controls were compared. The number of leukocytes (Leu), the number and percentage of neutrophils (N, Np), the number and percentage of lymphocytes (L, Lp), neutrophil-to-lymphocyte differences in the number and percentage (N-L, Np-Lp), neutrophil-to-lymphocyte ratio in the number and percentage (NLR, NLRp), and leukocyte-to-lymphocyte differences (Leu-L) were evaluated. The area under the ROC curve (AUC) was calculated for each of these parameters. Reference values were estimated that could help disclose occult CS. RESULTS: All ten parameters showed significant differences between cases and controls. The AUC was greater than 0.7 for all ten parameters, and was the best for the NLRp and Lp (AUC: 0.89). An Lp of 23.9% showed a diagnostic accuracy of 84.9% for the diagnosis of CS. The concordance of an Lp below 24% and more than 8000 leucocytes had a PPV of 78.2% for CS, while the pairing of an Lp over 24% and a Leu below 8000 cells had an NPV of 97.3% for CS. CONCLUSION: WBC count assessment can be an effective tool to raise suspicion of CS, prompting diagnostic testing. This simple and universally available test may allow earlier diagnosis of CS before highly evolved phenotypes develop.


Assuntos
Síndrome de Cushing , Humanos , Síndrome de Cushing/diagnóstico , Estudos Retrospectivos , Estudos de Casos e Controles , Contagem de Leucócitos , Linfócitos , Neutrófilos
14.
Semergen ; 49(2): 101910, 2023 Mar.
Artigo em Espanhol | MEDLINE | ID: mdl-36580756

RESUMO

BACKGROUND: Lifestyle is a theoretical construct that is formed by the life habits of a subject. The analysis and objective quantification of lifestyle can have a great impact on people's health, as well as on the evolution of its status over the years. The objective of this research has been the validation of the Acquired Healthy Lifestyle Assessment Scale (E-VEVSA) in Spanish adults. METHOD: On an initial sample for the exploratory tests of 248 subjects and a final sample for the confirmatory tests of 780 subjects, aged between 22 and 72 years of age. Exploratory and confirmatory psychometric tests were carried out based on the Cronbach's alpha statistic (reliability) and exploratory factorial analysis with oblique rotation (oblimin) and confirmatory with varimax rotation (construct validity), which resulted in an instrument made up of 52 items and structured in 7 dimensions: individual responsibility in health care (9 items), habits of physical-sports practice (6 items), health habits in social relationships (10 items), habit of tobacco and alcohol consumption (9 items), habit of healthy eating (7 items), psychological health habits (6 items) and daily rest and sleep habits (5 items). RESULTS: All the items explained a total variance of 66.87% and a Cronbach's alpha of .894, with the partial alpha of each dimension or factor being above .700. CONCLUSIONS: The results show psychometric tests that confirm the validity of the E-VEVSA scale as a useful instrument to measure the healthy lifestyle acquired among adults.


Assuntos
Estilo de Vida Saudável , Estilo de Vida , Adulto , Humanos , Adulto Jovem , Pessoa de Meia-Idade , Idoso , Inquéritos e Questionários , Espanha , Reprodutibilidade dos Testes
15.
Proc Natl Acad Sci U S A ; 119(51): e2218010119, 2022 12 20.
Artigo em Inglês | MEDLINE | ID: mdl-36512499

RESUMO

Type III secretion systems are bacterial nanomachines specialized in protein delivery into target eukaryotic cells. The structural and functional complexity of these machines demands highly coordinated mechanisms for their assembly and operation. The sorting platform is a critical component of type III secretion machines that ensures the timely engagement and secretion of proteins destined to travel this export pathway. However, the mechanisms that lead to the assembly of this multicomponent structure have not been elucidated. Herein, employing an extensive in vivo cross-linking strategy aided by structure modeling, we provide a detailed intersubunit contact survey of the entire sorting platform complex. Using the identified cross-links as signatures for pairwise intersubunit interactions in combination with systematic genetic deletions, we mapped the assembly process of this unique bacterial structure. Insights generated by this study could serve as the bases for the rational development of antivirulence strategies to combat several medically important bacterial pathogens.


Assuntos
Proteínas de Bactérias , Salmonella typhimurium , Salmonella typhimurium/metabolismo , Proteínas de Bactérias/metabolismo , Sistemas de Secreção Tipo III/genética , Sistemas de Secreção Tipo III/metabolismo , Transporte Proteico
16.
Expert Opin Drug Discov ; 17(11): 1237-1259, 2022 11.
Artigo em Inglês | MEDLINE | ID: mdl-36093605

RESUMO

INTRODUCTION: Human respiratory syncytial virus (hRSV) is an important cause of lower respiratory tract infections in the pediatric and the geriatric population worldwide. There is a substantial economic burden resulting from hRSV disease during winter. Although no vaccines have been approved for human use, prophylactic therapies are available for high-risk populations. Choosing the proper animal models to evaluate different vaccine prototypes or pharmacological treatments is essential for developing efficient therapies against hRSV. AREAS COVERED: This article describes the relevance of using different animal models to evaluate the effect of antiviral drugs, pharmacological molecules, vaccine prototypes, and antibodies in the protection against hRSV. The animal models covered are rodents, mustelids, bovines, and nonhuman primates. Animals included were chosen based on the available literature and their role in the development of the drugs discussed in this manuscript. EXPERT OPINION: Choosing the correct animal model is critical for exploring and testing treatments that could decrease the impact of hRSV in high-risk populations. Mice will continue to be the most used preclinical model to evaluate this. However, researchers must also explore the use of other models such as nonhuman primates, as they are more similar to humans, prior to escalating into clinical trials.


Assuntos
Infecções por Vírus Respiratório Sincicial , Vacinas contra Vírus Sincicial Respiratório , Vírus Sincicial Respiratório Humano , Idoso , Humanos , Camundongos , Animais , Criança , Bovinos , Vacinas contra Vírus Sincicial Respiratório/uso terapêutico , Infecções por Vírus Respiratório Sincicial/tratamento farmacológico , Infecções por Vírus Respiratório Sincicial/prevenção & controle , Modelos Animais de Doenças , Gravidade do Paciente
17.
Rev. neurol. (Ed. impr.) ; 75(5): 123-125, Septiembre 1, 2022.
Artigo em Espanhol | IBECS | ID: ibc-207869

RESUMO

Introducción: Los anestésicos locales (AL) son fármacos ampliamente utilizados para procedimientos anestésicos por su perfil riesgo/beneficio favorable respecto a los anestésicos generales. No obstante, estos fármacos no están exentos de efectos adversos. Caso clínico: Hombre de 44 años sin antecedentes neurológicos que presenta un cuadro de toxicidad sistémica por AL tras la instilación de bupivacaína intratecal para ser intervenido de artroplastia de cadera. Conclusiones: Los cuadros de toxicidad sistémica por AL pueden producir sintomatología neurológica asociada o no a inestabilidad hemodinámica. Habitualmente, los síntomas neurológicos ocurren de forma precoz y deben alertar sobre la posible ocurrencia de eventos hemodinámicos ulteriores que pueden comprometer la vida del paciente. Conocer la existencia y el manejo clínico de estos cuadros de toxicidad resulta fundamental para mejorar la evolución y el pronóstico de este cuadro potencialmente mortal.(AU)


Introduction: Local anaesthetics (LA) are drugs that are widely used in anaesthetic procedures because of their favourable risk/benefit profile compared to general anaesthetics. Yet, these drugs also have some adverse effects. Case report: We report the case of a 44-year-old man with no neurological history who presented systemic toxicity due to LA after instillation of intrathecal bupivacaine for hip arthroplasty surgery. Conclusions: Systemic toxicity caused by LA can give rise to neurological symptoms that may or may not be associated with haemodynamic instability. Neurological symptoms usually occur early on and should alert to the possible occurrence of further life-threatening haemodynamic events. Being aware of the existence of these toxicities and their clinical management is essential to improve the evolution and prognosis of this potentially fatal condition.(AU)


Assuntos
Humanos , Masculino , Adulto , Toxicidade , Anestésicos Locais/efeitos adversos , Bupivacaína , Estado Epiléptico , Epilepsia , Anestesia Local/métodos , Anestesia Local/efeitos adversos , Neurologia , Espectroscopia de Ressonância Magnética , Resultado do Tratamento
19.
Rev Neurol ; 75(5): 123-125, 2022 09 01.
Artigo em Espanhol | MEDLINE | ID: mdl-35880966

RESUMO

INTRODUCTION: Local anaesthetics (LA) are drugs that are widely used in anaesthetic procedures because of their favourable risk/benefit profile compared to general anaesthetics. Yet, these drugs also have some adverse effects. CASE REPORT: We report the case of a 44-year-old man with no neurological history who presented systemic toxicity due to LA after instillation of intrathecal bupivacaine for hip arthroplasty surgery. CONCLUSIONS: Systemic toxicity caused by LA can give rise to neurological symptoms that may or may not be associated with haemodynamic instability. Neurological symptoms usually occur early on and should alert to the possible occurrence of further life-threatening haemodynamic events. Being aware of the existence of these toxicities and their clinical management is essential to improve the evolution and prognosis of this potentially fatal condition.


TITLE: Toxicidad sistémica secundaria a infiltración con anestésico local.Introducción. Los anestésicos locales (AL) son fármacos ampliamente utilizados para procedimientos anestésicos por su perfil riesgo/beneficio favorable respecto a los anestésicos generales. No obstante, estos fármacos no están exentos de efectos adversos. Caso clínico. Hombre de 44 años sin antecedentes neurológicos que presenta un cuadro de toxicidad sistémica por AL tras la instilación de bupivacaína intratecal para ser intervenido de artroplastia de cadera. Conclusiones. Los cuadros de toxicidad sistémica por AL pueden producir sintomatología neurológica asociada o no a inestabilidad hemodinámica. Habitualmente, los síntomas neurológicos ocurren de forma precoz y deben alertar sobre la posible ocurrencia de eventos hemodinámicos ulteriores que pueden comprometer la vida del paciente. Conocer la existencia y el manejo clínico de estos cuadros de toxicidad resulta fundamental para mejorar la evolución y el pronóstico de este cuadro potencialmente mortal.


Assuntos
Anestesia Local , Anestésicos Locais , Adulto , Anestesia Local/efeitos adversos , Anestesia Local/métodos , Anestésicos Locais/efeitos adversos , Bupivacaína/efeitos adversos , Humanos , Masculino
20.
Rev. int. med. cienc. act. fis. deporte ; 22(86): 255-267, jun.-sept. 2022. tab, ilus
Artigo em Inglês, Espanhol | IBECS | ID: ibc-205441

RESUMO

A pesar de que el saque es el golpe más determinante en el tenis moderno, existen hasta la fecha pocas investigaciones en tenis profesional femenino. El objetivo del presente estudio fue identificar las diferencias en la dirección y eficacia del saque en función del ranking; así como observar las diferencias según la lateralidad de la jugadora rival (diestra o zurda) en torneos de Grand Slam. Se analizaron un total de 108 partidos femeninos disputados en los torneos del Abierto de los Estados Unidos y Wimbledon. Los resultados mostraron una mayor variabilidad en la táctica del saque en Wimbledon frente al Abierto de Estados Unidos. Además, se identificaron diferencias en la dirección y eficacia del saque de las jugadoras diestras en función de la lateralidad del rival, en especial cuando se sacó a jugadoras zurdas. Estos resultados contribuyen al conocimiento de las dinámicas y rendimiento del saque en las jugadoras de tenis profesionales. (AU)


Serve is the most important stroke in modern tennis, but the number of studies on professional women’s tennis is scarce. The aim of the present study was to identify differences in service direction and effectiveness regarding players’ ranking position; as well as to observe the differences according to the opponent’s laterality (right-handed or left-handed). A total of 108 matches from the US Open and Wimbledon tournaments were analysed. Results showed a larger variability in service tactics in Wimbledon compared to the US Open. In addition, the direction and effectiveness of the service of right-handed players differed depending on the opponent’s laterality, especially against left-handed players. These results contribute to the knowledge of the service dynamics and performance in professional women’s tennis players. (AU)


Assuntos
Humanos , Feminino , Tênis , Lateralidade Funcional , Atletas , Desempenho Atlético , Análise de Dados , Tênis/fisiologia , Estados Unidos
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