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1.
Microorganisms ; 12(10)2024 Sep 25.
Artículo en Inglés | MEDLINE | ID: mdl-39458253

RESUMEN

In this study, seed-surface-associated bacteria from fresh fruits of Capsicum spp. were analyzed to explore potential isolates for biocontrol of phytopathogenic fungal strains. A total of 76 bacterial isolates were obtained from three different species of chili pepper (C. annuum L., C. pubescens R. & P., and C. chinense Jacq.), and two isolates were selected via mycelial growth inhibition assays based on their production of volatile organic compounds (VOCs) against six fungal strains. Genomic analysis identified these isolates as Bacillus altitudinis CH05, with a chromosome size of 3,687,823 bp and with 41.25% G+C, and Bacillus tropicus CH13, with a chromosome size of 5,283,706 bp and with 35.24% G+C. Both bacterial strains showed high mycelial growth inhibition capacities against Sclerotium rolfsii, Sclerotinia sp., Rhizoctonia solani, and Alternaria alternata but lower inhibition capacities against Colletotrichum gloesporoides and Fusarium oxysporum. VOC identification was carried out after 24 h of fermentation with 64 VOCs for B. altitudinis CH05 and 53 VOCs for B. tropicus CH13. 2,5-Dimethyl pyrazine and acetoin had the highest relative abundance values in both bacterial strains. Our findings revealed that seed-surface-associated bacteria on Capsicum spp. have the metabolic ability to produce VOCs for biocontrol of fungal strains and have the potential to be used in sustainable agriculture.

2.
BMC Med ; 22(1): 386, 2024 Sep 12.
Artículo en Inglés | MEDLINE | ID: mdl-39267052

RESUMEN

BACKGROUND: Long-term deterioration in the mental health of healthcare workers (HCWs) has been reported during and after the COVID-19 pandemic. Determining the impact of COVID-19 incidence and mortality rates on the mental health of HCWs is essential to prepare for potential new pandemics. This study aimed to investigate the association of COVID-19 incidence and mortality rates with depressive symptoms over 2 years among HCWs in 20 countries during and after the COVID-19 pandemic. METHODS: This was a multi-country serial cross-sectional study using data from the first and second survey waves of the COVID-19 HEalth caRe wOrkErS (HEROES) global study. The HEROES study prospectively collected data from HCWs at various health facilities. The target population included HCWs with both clinical and non-clinical roles. In most countries, healthcare centers were recruited based on convenience sampling. As an independent variable, daily COVID-19 incidence and mortality rates were calculated using confirmed cases and deaths reported by Johns Hopkins University. These rates represent the average for the 7 days preceding the participants' response date. The primary outcome was depressive symptoms, assessed by the Patient Health Questionnaire-9. A multilevel linear mixed model (LMM) was conducted to investigate the association of depressive symptoms with the average incidence and mortality rates. RESULTS: A total of 32,223 responses from the participants who responded to all measures used in this study on either the first or second survey, and on both the first and second surveys in 20 countries were included in the analysis. The mean age was 40.1 (SD = 11.1), and 23,619 responses (73.3%) were from females. The 9323 responses (28.9%) were nurses and 9119 (28.3%) were physicians. LMM showed that the incidence rate was significantly and positively associated with depressive symptoms (coefficient = 0.008, standard error 0.003, p = 0.003). The mortality rate was significantly and positively associated with depressive symptoms (coefficient = 0.049, se = 0.020, p = 0.017). CONCLUSIONS: This is the first study to show an association between COVID-19 incidence and mortality rates with depressive symptoms among HCWs during the first 2 years of the outbreak in multiple countries. This study's findings indicate that additional mental health support for HCWs was needed when the COVID-19 incidence and mortality rates increase during and after the early phase of the pandemic, and these findings may apply to future pandemics. TRIAL REGISTRATION: Clinicaltrials.gov, NCT04352634.


Asunto(s)
COVID-19 , Depresión , Personal de Salud , Humanos , COVID-19/mortalidad , COVID-19/epidemiología , COVID-19/psicología , Estudios Transversales , Personal de Salud/psicología , Depresión/epidemiología , Masculino , Femenino , Incidencia , Adulto , Persona de Mediana Edad , SARS-CoV-2
3.
Cureus ; 16(8): e66773, 2024 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-39268289

RESUMEN

Background and objective Workplace accidents (WPAs) are a common problem worldwide. They are often considered a public health concern due to the potential transmission of infections such as HIV, hepatitis B, and hepatitis C through sharp devices or direct exposure to biofluids. Post-exposure prophylaxis (PEP) has demonstrated effectiveness in such instances, especially immediately after exposure. The present study aimed to report the prevalence rate of HIV seroconversion following such exposure among healthcare workers (HCWs). Methods We conducted a cross-sectional study involving a database analysis of cases from 2015 to 2024. Central tendency measures were used to describe population characteristics, and rates were calculated using standard methods. Results A total of 514 HCWs were included in the study. The prevalence of WPAs was 13 per 100 HCWs. Regarding WPAs related to HIV exposure, the prevalence was 0.9 per 100 HCWs, with 0% seroconversion thanks to timely PEP. Conclusions WPAs related to HIV exposure are a serious issue for public health systems worldwide. Although protocols are available and no seroconversion cases were reported in the present study, PEP is not always accessible in several settings, increasing the risk of seroconversion. International public policy measures should be uniformly implemented to provide faster access to prophylaxis, educate the personnel, raise awareness about bloodborne diseases, and reduce excessive red tape.

4.
Medwave ; 24(7): e2952, 2024 Aug 30.
Artículo en Inglés, Español | MEDLINE | ID: mdl-39213474

RESUMEN

Introduction: The COVID-19 pandemic has impacted the mental health of healthcare workers. Studying the care perspective is essential to understanding the causes of specific mental health findings and proposing strategies to address them. Methods: Cross-sectional study with a thematic analytical approach, derived from the international initiative "The Health Care Workers Study" (HEROES), conducted among healthcare workers in Chile during the second semester of 2022 and the first of 2023 through semi-structured interviews and inductive coding. Results: A narrative synthesis of 35 interviews in four themes: care at work: the presence of changes in work tasks, concern about becoming infected, collective "mystique", stigma due to being a healthcare worker, conflicts with patients; care at home: multiple ways of arranging household tasks, the relevance of living with others, interrelation with work dynamics, "double burden" among women; relationship with one's own mental health: recognition of mental health impact, the stress associated with change and uncertainty, perception of work overload, feelings of guilt or responsibility for infecting family members; and beliefs and values about the pandemic and its effects: acceptance of psychological impact on healthcare workers, organizational culture as a relevant element in postponing one's own mental health, initial disbelief in the effects of the pandemic, similarities with previous periods of social upheaval, and equality among people in terms of vulnerability to the disease. Conclusions: Five elements emerge as potential areas for intervention: gender perspective, previous exposure to crisis experiences, self-care spaces, peer support, and institutional response. The care perspective helps study the relationship between some stressors and healthcare workers' mental health in the context of a pandemic.


Introducción: La pandemia por COVID-19 ha impactado la salud mental de los trabajadores de salud. La perspectiva de cuidados se ha identificado como necesaria de estudiar, para entender causas atribuibles asociadas a hallazgos específicos en materia de salud mental y proponer cursos de acción para abordarla. Métodos: Estudio de carácter transversal con enfoque analítico temático, derivado de la iniciativa internacional (HEROES) Fue realizado entre trabajadores de salud en Chile, durante el segundo semestre de 2022 y el primero de 2023, a través entrevistas semiestructuradas y codificación inductiva. Resultados: Síntesis narrativa de 35 entrevistas, en cuatro temas: cuidados en el trabajo: presencia de cambios de funciones, preocupación por contagio, "mística" colectiva, estigma por condición de trabajador de la salud, conflictos con pacientes; cuidados en el hogar: diversas formas de arreglos de tareas domésticas, relevancia de la convivencia con otros, interrelación con dinámicas laborales, "doble carga" entre mujeres; relación con la propia salud mental: reconocimiento de afectación en salud mental, estrés asociado a cambio e incertidumbre, percepción de sobrecarga laboral, sentimientos de culpa o responsabilidad por contagio a familiares; y creencias y valores sobre la pandemia y sus efectos: aceptación de afectación psíquica de trabajadores de la salud, cultura organizacional como elemento relevante en postergación de propia salud mental, incredulidad inicial ante efectos de la pandemia, similitudes con periodos de conmoción social previos, igualdad entre personas respecto a vulnerabilidad frente a enfermedad. Conclusiones: Cinco elementos surgen como potenciales áreas de intervención: perspectiva de género, exposición previa a experiencias de crisis, espacios de autocuidado, apoyo de pares y respuesta institucional. La perspectiva de cuidados es útil para estudiar la relación entre algunos factores estresantes y la salud mental de los trabajadores de salud en el contexto de pandemia.


Asunto(s)
COVID-19 , Personal de Salud , Salud Mental , Humanos , COVID-19/epidemiología , COVID-19/psicología , Chile , Personal de Salud/psicología , Femenino , Masculino , Estudios Transversales , Adulto , Entrevistas como Asunto , Persona de Mediana Edad , Cuidadores/psicología , Estigma Social , Investigación Cualitativa
5.
Gac Med Mex ; 160(2): 178-185, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39116846

RESUMEN

BACKGROUND: The WHO presented the initiative: "Global elimination of congenital syphilis (CS): rationale and strategies for action". It establishes that CS is a preventable disease that can be eliminated. OBJECTIVE: To estimate the proportion of missed opportunities for prevention (MOP) of (CS). MATERIAL AND METHODS: Cross-sectional study. We studied women with children with confirmed diagnosis of CS (NOM-039-SSA2-2002) in the Mexican Social Security Institute in Jalisco from 01/01/2016 to 08/01/2022. The clinical records of the mother, the newborn and the epidemiological study (ES) were reviewed. Each case was classified into one of the MOP categories. RESULTS: 52 cases were reported: 46.2 % (n = 24) were ruled out, 34.6 % (n = 18) confirmed, 15.4 % (n = 8) unknown and 3.8 % (n = 2) probable cases. The HIV test was performed in 61.1 % (n = 11) and syphilis in 72.2 % (n = 13) of the mothers. The MOP in 27.8 % (n = 5) was inadequate treatment or omission of maternal treatment despite a timely diagnosis of syphilis. Treatment was inadequate in 63.6 % (n = 7) of the women who received it. CONCLUSION: The classification of MOP identifies gaps in CS prevention and can guide stakeholders, policy makers and public health prevention programs to reduce the incidence of CS.


ANTECEDENTES: La Organización Mundial de la Salud estableció que la sífilis congénita es una enfermedad prevenible que puede eliminarse. OBJETIVO: Estimar la proporción de oportunidades perdidas en la prevención (OPP) de la sífilis congénita. MATERIAL Y MÉTODOS: Estudio transversal descriptivo. Se eligieron mujeres en cuyos hijos recién nacidos se identificó sífilis congénita entre 2016 y 2022. Se revisaron los expedientes clínicos de la madre, el recién nacido y el estudio epidemiológico. Cada caso se clasificó en una de las categorías de las OPP. RESULTADOS: Se notificaron 52 casos: 46.2 % (n = 24) fue descartado, 34.6 % (n = 18) confirmado, 15.4 % (n = 8) desconocido y 3.8 % (n = 2) probable. Las pruebas para identificar infección por VIH y sífilis se realizaron en 61.1 % (n = 11) y 72.2 % de las madres (n = 13). La OPP en 27.8 % (n = 5) consistió en el tratamiento inadecuado u omisión de tratamiento materno a pesar de diagnóstico oportuno de la sífilis. De quienes recibieron tratamiento, en 63.6 % fue inadecuado (n = 7). CONCLUSIÓN: La clasificación de OPP de sífilis congénita permite identificar brechas en la prevención y dirigir intervenciones de salud pública hacia las principales causas para reducir la incidencia.


Asunto(s)
Complicaciones Infecciosas del Embarazo , Sífilis Congénita , Humanos , Sífilis Congénita/prevención & control , Sífilis Congénita/epidemiología , Estudios Transversales , Femenino , Recién Nacido , Embarazo , México/epidemiología , Complicaciones Infecciosas del Embarazo/prevención & control , Complicaciones Infecciosas del Embarazo/epidemiología , Complicaciones Infecciosas del Embarazo/diagnóstico , Adulto , Adulto Joven , Diagnóstico Erróneo
6.
Health Policy ; 147: 105136, 2024 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-39089167

RESUMEN

Progress towards universal health coverage is monitored by the incidence of catastrophic spending. Two catastrophic spending indicators are commonly used in Europe: Sustainable Development Goal (SDG) indicator 3.8.2 and the WHO Regional Office for Europe (WHO/Europe) indicator. The use of different indicators can cause confusion, especially if they produce contradictory results and policy implications. We use harmonised household budget survey data from 27 European Union countries covering 505,217 households and estimate the risk of catastrophic spending, conditional on household characteristics and the design of medicines co-payments. We calculate the predicted probability of catastrophic spending for particular households, which we call LISAs, under combinations of medicines co-payment policies and compare predictions across the two indicators. Using the WHO/Europe indicator, any combination of two or more protective policies (i.e. low fixed co-payments instead of percentage co-payments, exemptions for low-income households and income-related caps on co-payments) is associated with a statistically significant lower risk of catastrophic spending. Using the SDG indicator, confidence intervals for every combination of protective policies overlap with those for no protective policies. Although out-of-pocket medicines spending is a strong predictor of catastrophic spending using both indicators, the WHO/Europe indicator is more sensitive to medicines co-payment policies than the SDG indicator, making it a better indicator to monitor health system equity and progress towards UHC in Europe.


Asunto(s)
Gastos en Salud , Cobertura Universal del Seguro de Salud , Humanos , Europa (Continente) , Gastos en Salud/estadística & datos numéricos , Cobertura Universal del Seguro de Salud/economía , Política de Salud , Financiación Personal , Composición Familiar , Enfermedad Catastrófica/economía
7.
Medwave ; 24(7): e2952, 30-08-2024.
Artículo en Inglés, Español | LILACS-Express | LILACS | ID: biblio-1572842

RESUMEN

Introducción La pandemia por COVID-19 ha impactado la salud mental de los trabajadores de salud. La perspectiva de cuidados se ha identificado como necesaria de estudiar, para entender causas atribuibles asociadas a hallazgos específicos en materia de salud mental y proponer cursos de acción para abordarla. Métodos Estudio de carácter transversal con enfoque analítico temático, derivado de la iniciativa internacional (HEROES) Fue realizado entre trabajadores de salud en Chile, durante el segundo semestre de 2022 y el primero de 2023, a través entrevistas semiestructuradas y codificación inductiva. Resultados Síntesis narrativa de 35 entrevistas, en cuatro temas: cuidados en el trabajo: presencia de cambios de funciones, preocupación por contagio, "mística" colectiva, estigma por condición de trabajador de la salud, conflictos con pacientes; cuidados en el hogar: diversas formas de arreglos de tareas domésticas, relevancia de la convivencia con otros, interrelación con dinámicas laborales, "doble carga" entre mujeres; relación con la propia salud mental: reconocimiento de afectación en salud mental, estrés asociado a cambio e incertidumbre, percepción de sobrecarga laboral, sentimientos de culpa o responsabilidad por contagio a familiares; y creencias y valores sobre la pandemia y sus efectos: aceptación de afectación psíquica de trabajadores de la salud, cultura organizacional como elemento relevante en postergación de propia salud mental, incredulidad inicial ante efectos de la pandemia, similitudes con periodos de conmoción social previos, igualdad entre personas respecto a vulnerabilidad frente a enfermedad. Conclusiones Cinco elementos surgen como potenciales áreas de intervención: perspectiva de género, exposición previa a experiencias de crisis, espacios de autocuidado, apoyo de pares y respuesta institucional. La perspectiva de cuidados es útil para estudiar la relación entre algunos factores estresantes y la salud mental de los trabajadores de salud en el contexto de pandemia.


Introduction The COVID-19 pandemic has impacted the mental health of healthcare workers. Studying the care perspective is essential to understanding the causes of specific mental health findings and proposing strategies to address them. Methods Cross-sectional study with a thematic analytical approach, derived from the international initiative "The Health Care Workers Study" (HEROES), conducted among healthcare workers in Chile during the second semester of 2022 and the first of 2023 through semi-structured interviews and inductive coding. Results A narrative synthesis of 35 interviews in four themes: care at work: the presence of changes in work tasks, concern about becoming infected, collective "mystique", stigma due to being a healthcare worker, conflicts with patients; care at home: multiple ways of arranging household tasks, the relevance of living with others, interrelation with work dynamics, "double burden" among women; relationship with one's own mental health: recognition of mental health impact, the stress associated with change and uncertainty, perception of work overload, feelings of guilt or responsibility for infecting family members; and beliefs and values about the pandemic and its effects: acceptance of psychological impact on healthcare workers, organizational culture as a relevant element in postponing one's own mental health, initial disbelief in the effects of the pandemic, similarities with previous periods of social upheaval, and equality among people in terms of vulnerability to the disease. Conclusions Five elements emerge as potential areas for intervention: gender perspective, previous exposure to crisis experiences, self-care spaces, peer support, and institutional response. The care perspective helps study the relationship between some stressors and healthcare workers' mental health in the context of a pandemic.

8.
ANZ J Surg ; 94(7-8): 1266-1272, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39057838

RESUMEN

BACKGROUND: Bile duct injury (BDI) repair surgery is usually associated with morbidity/mortality. The neutrophil-to-lymphocyte ratio (NLR) easily assesses a patient's inflammatory status. The study aims to determine the possible relationship between preoperative NLR (pNLR) with postoperative outcomes in BDI repair surgery. METHODS: Approved Ethics/Research Committee retrospective study, in patients who had a Bismuth-Strasberg type E BDI repair (2008-2023). Data registered was: morbidity, mortality, and long-term outcomes (primary patency and loss of primary patency) (Kaplan-Meier). Group comparison (U Mann-Whitney), receiver operator characteristic (ROC): area under curve [AUC]; cut-off value, and Youden index [J], and logistic regression analysis were used for pNLR evaluation. RESULTS: Seventy-three patients were studied. Mean age was 44.4 years. E2 was the commonest BDI (38.4%). Perioperative morbidity/mortality was 31.5% and 1.4%. Primary patency was 95.9%. 8.2% have lost primary patency (3-year actuarial patency: 85.3%). Median pNLR was higher in patients who had any complication (4.84 vs. 2.89 p = 0.015), biliary complications (5.29 vs. 2.86 p = 0.01), and patients with loss of primary patency (5.22 vs. 3.1 p = 0.08). AUC's, cut-off values and (J) were: any complication (0.678, pNLR = 4.3, J = 0.38, p = 0.007), serious complication (0.667, pNLR = 4.3, J = 0.34, p = 0.04), biliary complications (0.712, pNLR = 3.64, J = 0.46, p = 0.001), and loss of primary patency (0.716, pNLR = 3.24, J = 0.52, p = 0.008). Logistic regression was significant in any complication (Exp [B]: 0.1, p = 0.002), serious complications (Exp [B]: 0.2, p = 0.03), and biliary complications (Exp [B]: 8.1, p = 0.003). CONCLUSIONS: pNLR is associated with complications in BDI repair with moderate to acceptable predictive capacity. pNLR could potentially predict patency of a BDI repair.


Asunto(s)
Conductos Biliares , Linfocitos , Neutrófilos , Complicaciones Posoperatorias , Humanos , Masculino , Femenino , Estudios Retrospectivos , Adulto , Persona de Mediana Edad , Conductos Biliares/lesiones , Conductos Biliares/cirugía , Complicaciones Posoperatorias/epidemiología , Complicaciones Posoperatorias/sangre , Valor Predictivo de las Pruebas , Anciano
9.
Micromachines (Basel) ; 15(7)2024 Jul 07.
Artículo en Inglés | MEDLINE | ID: mdl-39064399

RESUMEN

Microrheology, the study of material flow at micron scales, has advanced significantly since Robert Brown's discovery of Brownian motion in 1827. Mason and Weitz's seminal work in 1995 established the foundation for microrheology techniques, enabling the measurement of viscoelastic properties of complex fluids using light-scattering particles. However, existing techniques face limitations in exploring very slow dynamics, crucial for understanding biological systems. Here, we present a proof of concept for a novel microrheology technique called "Optical Halo", which utilises a ring-shaped Bessel beam created by optical tweezers to overcome existing limitations. Through numerical simulations and theoretical analysis, we demonstrate the efficacy of the Optical Halo in probing viscoelastic properties across a wide frequency range, including low-frequency regimes inaccessible to conventional methods. This innovative approach holds promise for elucidating the mechanical behaviour of complex biological fluids.

10.
P R Health Sci J ; 43(2): 84-92, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-38860962

RESUMEN

OBJECTIVE: The Family Adaptability and Cohesion Evaluation Scale III (FACES III) is a self-report instrument that enables the assessment of the dimensions of adaptability and cohesion within a family, establishing whether or not that family is functional and classifying it according to categories within those dimensions. The objective of this research was to determine the psychometric properties of this instrument using a sample of dental students from 5 Latin American countries. MATERIALS AND METHODS: The FACES III was administered to a sample of 2888 university dental students from Colombia (35.3%), Chile (34.6%), the Dominican Republic (19%), Argentina (6%), and El Salvador (5.1%). Confirmatory factor analysis was used to examine the factorial structure of the scale, comparing 3 models proposed in the Latin American literature, establishing a multigroup analysis to examine invariance among countries. RESULTS: The results revealed a structure composed of 2 dimensions: cohesion and adaptability. These dimensions showed adequate structure and internal consistency. The invariance of the measurement model in the participating countries was confirmed. CONCLUSION: In general, this study offers evidence of the adequacy of the psychometric properties of FACES III in Colombian, Chilean, Dominican, Argentine, and Salvadoran dental students.


Asunto(s)
Psicometría , Estudiantes de Odontología , Humanos , Masculino , Femenino , Estudiantes de Odontología/psicología , Adulto Joven , Adulto , Universidades , Relaciones Familiares/psicología , Análisis Factorial , Autoinforme , América Latina , Colombia , Adolescente , Chile
11.
Investig. desar ; 32(1): 251-270, ene.-jun. 2024. graf
Artículo en Español | LILACS-Express | LILACS | ID: biblio-1575112

RESUMEN

Resumen El objetivo de esta investigación fue comprender la percepción de la prensa en torno a la tuberculosis como enfermedad y el paciente tuberculoso de la Ciudad de Barranquilla (Atlántico, Colombia), durante el periodo comprendido entre 1938 -Creación del Ministerio de Trabajo, Higiene y Previsión Social- y 1946 -Creación del Ministerio de Higiene-, a partir de un análisis documental del diario "La Prensa". Las categorías emergentes comprendieron la percepción de la enfermedad, paciente tuberculoso, prevención, tratamiento antituberculoso e institucionalización. El análisis mostró que el diario "La Prensa" orientaba su percepción a considerar al paciente tuberculoso como pobre, residente en viviendas no higiénicas y con mala higiene privada, evidenciándose una exculpación del Estado e invisibilidad de probables casos de la enfermedad en personas de la élite. Asumiendo además el rol de divulgador de noticias emanadas de instituciones, funcionarios públicos y representantes de organizaciones sociales que defendían su actuar en la Lucha Antituberculosa.


Abstract The aim of this research was to understand the perception about the tuberculosis of the press in the city of Barranquilla (Atlántico, Colombia) during the period from 1938 - creation of the Ministry of Labor, Hygiene and Social prevision-to 1946 -creation of Ministry of Hygiene- by using a documentary analysis of "La Prensa" newspaper. The emergent categories include the perception about the disease, the tuberculous patient, prevention, anti- tuberculosis treatments and institutionalization. The results, appoints that "La prensa" newspaper perceived the tuberculous patient as poor, resident of unhygienic houses and poor personal hygiene, making a clear exculpation of the State and invisibility of cases of illness in people who formed part of the elite of the time. By assuming the role of researcher and news releases from institutions, public employees and social organization representatives that defend their actions in the "Lucha Antituberculosa" institution.

12.
Front Plant Sci ; 15: 1375958, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38766471

RESUMEN

Carbohydrate reserves play a vital role in plant survival during periods of negative carbon balance. Under a carbon-limited scenario, we expect a trade-offs between carbon allocation to growth, reserves, and defense. A resulting hypothesis is that carbon allocation to reserves exhibits a coordinated variation with functional traits associated with the 'fast-slow' plant economics spectrum. We tested the relationship between non-structural carbohydrates (NSC) of tree organs and functional traits using 61 angiosperm tree species from temperate and tropical forests with phylogenetic hierarchical Bayesian models. Our results provide evidence that NSC concentrations in stems and branches are decoupled from plant functional traits. while those in roots are weakly coupled with plant functional traits. In contrast, we found that variation between NSC concentrations in leaves and the fast-slow trait spectrum was coordinated, as species with higher leaf NSC had trait values associated with resource conservative species, such as lower SLA, leaf N, and leaf P. We also detected a small effect of leaf habit on the variation of NSC concentrations in branches and roots. Efforts to predict the response of ecosystems to global change will need to integrate a suite of plant traits, such as NSC concentrations in woody organs, that are independent of the 'fast-slow' plant economics spectrum and that capture how species respond to a broad range of global change drivers.

14.
Int J Spine Surg ; 18(2): 164-177, 2024 May 06.
Artículo en Inglés | MEDLINE | ID: mdl-38677779

RESUMEN

BACKGROUND: With the growing prevalence of lumbar spinal stenosis, endoscopic surgery, which incorporates techniques such as transforaminal, interlaminar, and unilateral biportal (UBE) endoscopy, is increasingly considered. However, the patient selection criteria are debated among spine surgeons. OBJECTIVE: This study used a polytomous Rasch analysis to evaluate the factors influencing surgeon decision-making in selecting patients for endoscopic surgical treatment of lumbar spinal stenosis. METHODS: A comprehensive survey was distributed to a representative sample of 296 spine surgeons. Questions encompassed various patient-related and clinical factors, and responses were captured on a logit scale graphically displaying person-item maps and category probability curves for each test item. Using a Rasch analysis, the data were subsequently analyzed to determine the latent traits influencing decision-making. RESULTS: The Rasch analysis revealed that surgeons' preferences for transforaminal, interlaminar, and UBE techniques were easily influenced by comfort level and experience with the endoscopic procedure and patient-related factors. Harder-to-agree items included technological aspects, favorable clinical outcomes, and postoperative functional recovery and rehabilitation. Descriptive statistics suggested interlaminar as the best endoscopic spinal stenosis decompression technique. However, logit person-item analysis integral to the Rasch methodology showed highest intensity for transforaminal followed by interlaminar endoscopic lumbar stenosis decompression. The UBE technique was the hardest to agree on with a disordered person-item analysis and thresholds in category probability curve plots. CONCLUSION: Surgeon decision-making in selecting patients for endoscopic surgery for lumbar spinal stenosis is multifaceted. While the framework of clinical guidelines remains paramount, on-the-ground experience-based factors significantly influence surgeons' selection of patients for endoscopic lumbar spinal stenosis surgeries. The Rasch methodology allows for a more granular psychometric evaluation of surgeon decision-making and accounts better for years-long experience that may be lost in standardized clinical guideline development. This new approach to assessing spine surgeons' thought processes may improve the implementation of evidence-based protocol change dictated by technological advances was endorsed by the Interamerican Society for Minimally Invasive Spine Surgery (SICCMI), the International Society for Minimal Intervention in Spinal Surgery (ISMISS), the Mexican Spine Society (AMCICO), the Brazilian Spine Society (SBC), the Society for Minimally Invasive Spine Surgery (SMISS), the Korean Minimally Invasive Spine Society (KOMISS), and the International Society for the Advancement of Spine Surgery (ISASS).

15.
Glob Ment Health (Camb) ; 11: e34, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38572248

RESUMEN

Healthcare workers (HCWs) were at increased risk for mental health problems during the COVID-19 pandemic, with prior data suggesting women may be particularly vulnerable. Our global mental health study aimed to examine factors associated with gender differences in psychological distress and depressive symptoms among HCWs during COVID-19. Across 22 countries in South America, Europe, Asia and Africa, 32,410 HCWs participated in the COVID-19 HEalth caRe wOrkErS (HEROES) study between March 2020 and February 2021. They completed the General Health Questionnaire-12, the Patient Health Questionnaire-9 and questions about pandemic-relevant exposures. Consistently across countries, women reported elevated mental health problems compared to men. Women also reported increased COVID-19-relevant stressors, including insufficient personal protective equipment and less support from colleagues, while men reported increased contact with COVID-19 patients. At the country level, HCWs in countries with higher gender inequality reported less mental health problems. Higher COVID-19 mortality rates were associated with increased psychological distress merely among women. Our findings suggest that among HCWs, women may have been disproportionately exposed to COVID-19-relevant stressors at the individual and country level. This highlights the importance of considering gender in emergency response efforts to safeguard women's well-being and ensure healthcare system preparedness during future public health crises.

16.
Plants (Basel) ; 13(4)2024 Feb 08.
Artículo en Inglés | MEDLINE | ID: mdl-38498420

RESUMEN

The genus Lepechinia (Lamiaceae) involves several aromatic shrubs that are distributed only in the American continent, inhabiting mountain areas, mainly in the Andean region of South America. Based on the PRISMA approach, we selected and critically analyzed 48 research articles. From a phytochemical point of view, most of the secondary metabolites reported in Lepechinia spp. are terpenes and terpenoids, with a few exceptions comprising flavonoids and other shikimic acid derivatives. On the one hand, sesquiterpenoids of the guajane, aromadendrane, eudesmane, and cadinane groups are characteristic of essential oils, together with (E)-ß-caryophyllene as the main representative of its chemical family. On the other hand, abietane diterpenoids are the prevalent compounds described in non-volatile fractions. Many biological activities and traditional medical uses have been reported for both pure metabolites and complex mixtures (e.g., essential oils). Regarding ethno-medical uses, the treatment of muscle pain, headache, toothache, diabetes mellitus, uterine tumors, uterine infections, and diarrhea has been reported. Concerning their verified biological activities, insecticidal, antifungal, antioxidant, and anticholinesterase properties have been described. Furthermore, some data concerning anti-herpetic activity have been reported.

17.
Phys Rev E ; 109(2-1): 024413, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-38491626

RESUMEN

This paper introduces an approach to quantifying ecological resilience in biological systems, particularly focusing on noisy systems responding to episodic disturbances with sudden adaptations. Incorporating concepts from nonequilibrium statistical mechanics, we propose a measure termed "ecological resilience through adaptation," specifically tailored to noisy, forced systems that undergo physiological adaptation in the face of stressful environmental changes. Randomness plays a key role, accounting for model uncertainty and the inherent variability in the dynamical response among components of biological systems. Our measure of resilience is rooted in the probabilistic description of states within these systems and is defined in terms of the dynamics of the ensemble average of a model-specific observable quantifying success or well-being. Our approach utilizes stochastic linear response theory to compute how the expected success of a system, originally in statistical equilibrium, dynamically changes in response to a environmental perturbation and a subsequent adaptation. The resulting mathematical derivations allow for the estimation of resilience in terms of ensemble averages of simulated or experimental data. Finally, through a simple but clear conceptual example, we illustrate how our resilience measure can be interpreted and compared to other existing frameworks in the literature. The methodology is general but inspired by applications in plant systems, with the potential for broader application to complex biological processes.


Asunto(s)
Resiliencia Psicológica , Adaptación Biológica , Modelos Biológicos
18.
Lancet Reg Health Eur ; 37: 100826, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-38362555

RESUMEN

Background: Ensuring that access to health care is affordable for everyone-financial protection-is central to universal health coverage (UHC). Financial protection is commonly measured using indicators of financial barriers to access (unmet need for health care) and financial hardship caused by out-of-pocket payments for health care (impoverishing and catastrophic health spending). We aim to assess financial hardship and unmet need in Europe and identify the coverage policy choices that undermine financial protection. Methods: We carry out a cross-sectional study of financial hardship in 40 countries in Europe in 2019 (the latest available year of data before COVID-19) using microdata from national household budget surveys. We define impoverishing health spending as out-of-pocket payments that push households below or further below a relative poverty line and catastrophic health spending as out-of-pocket payments that exceed 40% of a household's capacity to pay for health care. We link these results to survey data on unmet need for health care, dental care, and prescribed medicines and information on two aspects of coverage policy at country level: the main basis for entitlement to publicly financed health care and user charges for covered services. Findings: Out-of-pocket payments for health care lead to financial hardship and unmet need in every country in the study, particularly for people with low incomes. Impoverishing health spending ranges from under 1% of households (in six countries) to 12%, with a median of 3%. Catastrophic health spending ranges from under 1% of households (in two countries) to 20%, with a median of 6%. Catastrophic health spending is consistently concentrated in the poorest fifth of the population and is largely driven by out-of-pocket payments for outpatient medicines, medical products, and dental care-all forms of treatment that should be an essential part of primary care. The median incidence of catastrophic health spending is three times lower in countries that cover over 99% of the population than in countries that cover less than 99%. In 16 out of the 17 countries that cover less than 99% of the population, the basis for entitlement is payment of contributions to a social health insurance (SHI) scheme. Countries that give greater protection from user charges to people with low incomes have lower levels of catastrophic health spending. Interpretation: It is challenging to identify with certainty the coverage policy choices that undermine financial protection due to the complexity of the policies involved and the difficulty of disentangling the effects of different choices. The conclusions we draw are therefore tentative, though plausible. Countries are more likely to move towards UHC if they reduce out-of-pocket payments in a progressive way, decreasing them for people with low incomes first. Coverage policy choices that seem likely to achieve this include de-linking entitlement from payment of SHI contributions; expanding the coverage of outpatient medicines, medical products, and dental care; limiting user charges; and strengthening protection against user charges, particularly for people with low incomes. Funding: The European Union (DG SANTE and DG NEAR) and the Government of the Autonomous Community of Catalonia, Spain.

19.
Antibiotics (Basel) ; 13(2)2024 Feb 13.
Artículo en Inglés | MEDLINE | ID: mdl-38391568

RESUMEN

Chili powder is an important condiment around the world. However, according to various reports, the presence of pathogenic microorganisms could present a public health risk factor during its consumption. Therefore, microbiological quality assessment is required to understand key microbial functional traits, such as antibiotic resistance genes (ARGs). In this study, metagenomic next-generation sequencing (mNGS) and bioinformatics analysis were used to characterize the comprehensive profiles of the bacterial community and antibiotic resistance genes (ARGs) in 15 chili powder samples from different regions of Mexico. The initial bacterial load showed aerobic mesophilic bacteria (AMB) ranging between 6 × 103 and 7 × 108 CFU/g, sporulated mesophilic bacteria (SMB) from 4.3 × 103 to 2 × 109 CFU/g, and enterobacteria (En) from <100 to 2.3 × 106 CFU/g. The most representative families in the samples were Bacillaceae and Enterobacteriaceae, in which 18 potential pathogen-associated species were detected. In total, the resistome profile in the chili powder contained 68 unique genes, which conferred antibiotic resistance distributed in 13 different classes. Among the main classes of antibiotic resistance genes with a high abundance in almost all the samples were those related to multidrug, tetracycline, beta-lactam, aminoglycoside, and phenicol resistance. Our findings reveal the utility of mNGS in elucidating microbiological quality in chili powder to reduce the public health risks and the spread of potential pathogens with antibiotic resistance mechanisms.

20.
Plants (Basel) ; 13(2)2024 Jan 16.
Artículo en Inglés | MEDLINE | ID: mdl-38256806

RESUMEN

In this investigation, we have analyzed for the first time the essential oils (EOs) isolated by steam distillation of the leaves and flowers of Lippia dulcis Trevir., grown at three different locations in southern Ecuador: the Catacocha canton (Ca), the Vilcabamba parish (Vi), and the Chuquiribamba parish (Ch). Around 98.5% of the oils' constituents were identified by Gas Chromatography-Mass Spectrometry (GC-MS) and Gas Chromatography-Flame Ionization Detector (GC-FID) analysis using a DB-5ms capillary column. Sesquiterpene hydrocarbons were predominant in the EOs (79.77, 78.22, and 76.51%, respectively). The most representative constituents of the sample from the Ca canton were ß-cedrene (16.75%), δ-selinene (11.04%), and ß-cubebene (12.09%), while the sample from the Vi parish was characterized by the abundant presence of ß-cedrene (17.9%), δ-selinene (12.52%), and bicyclogermacrene (11.34%). ß-Cedrene (18.89%), δ-selinene (11.78%), and δ-cadinene (11.07%) were the main constituents of the essential oil (EO) from the Ch parish. The likely occurrence of low amounts of thermolabile hernandulcin in the volatile oils was indicated by the presence of the fragmentation products 6-methyl-5-hepten-2-one and 3-methyl-2-ciclohexen-1-one. In summary, the study gave us a clue to the variability of Lippia dulcis chemotypes depending on the collection sites.

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