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1.
Artículo en Español | LILACS-Express | LILACS | ID: biblio-1535418

RESUMEN

Introducción: El aumento en la esperanza de vida se ha convertido en una realidad, en una problemática y en un reto para los países en desarrollo como Colombia, marcado por determinantes sociales dentro de los cuales la población adulta mayor se ve ampliamente afectada. Objetivo: Describir la percepción del adulto mayor y su familia acerca de las redes sociales de apoyo formales e informales, que contribuyen en la reducción de la pobreza. Materiales y métodos: Se realizó un estudio cualitativo con enfoque fenomenológico. Participaron 22 adultos mayores, 3 hombres y 19 mujeres entre los 60 y 89 años, dos cuidadores y un empleado administrativo de la institución en Neiva (Huila). Resultados: Los hallazgos se enmarcaron bajo tres cuatro categorías instauradas previa revisión teórica: precepción de envejecimiento, estructura de las redes sociales de apoyo, dinámica familiar y percepción de redes sociales de apoyo; además, se obtuvieron durante el estudio emergieron tres categorías emergentes: la pobreza más allá del concepto económico, entre lo espiritual y emocional como red de apoyo y la resignificación del trabajo en el adulto mayor como una opción. Conclusiones: Los adultos mayores perciben las redes sociales de apoyo formales e informales como necesarias para su bienestar físico, espiritual y emocional, además, identifican la resignificación del trabajo como una opción de vida desde sus capacidades instrumentales, junto con la espiritualidad, la cual se fortalece a lo largo de sus vidas y al interior de sus familias.


Introduction: The increase in life expectancy has become a reality, a problem, and a challenge for developing countries such as Colombia, marked by social determinants in which the elderly population is largely affected. Objective: Describe the perception of older adults and their families regarding formal and informal social support networks that contribute to poverty reduction. Materials and methods: A qualitative study using a phenomenological approach was conducted. Twenty-two older adults, three men and 19 women, between 60 and 89 years old; two caregivers, and an administrative employee at the institution in Neiva (Huila) participated. Results: The findings were framed under four categories established after a theoretical review: perception of aging, structure of social support networks, family dynamics, and perception of social support networks. Three categories emerged during the study: Poverty beyond the economic concept, between the spiritual and emotional as a support network, and the resignification of work in the elderly as an option. Conclusions: Older adults perceive formal and informal social support networks as something necessary for their physical, spiritual, and emotional well-being. In addition, they identify the resignification of work as a life option based on their instrumental capabilities, along with spirituality, which is strengthened throughout their lives and within their families.

2.
mSphere ; 8(4): e0013223, 2023 08 24.
Artículo en Inglés | MEDLINE | ID: mdl-37338211

RESUMEN

Wastewater-based epidemiology (WBE) emerged during the coronavirus disease 2019 (COVID-19) pandemic as a scalable and broadly applicable method for community-level monitoring of infectious disease burden. The lack of high-resolution fecal shedding data for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) limits our ability to link WBE measurements to disease burden. In this study, we present longitudinal, quantitative fecal shedding data for SARS-CoV-2 RNA, as well as for the commonly used fecal indicators pepper mild mottle virus (PMMoV) RNA and crAss-like phage (crAssphage) DNA. The shedding trajectories from 48 SARS-CoV-2-infected individuals suggest a highly individualized, dynamic course of SARS-CoV-2 RNA fecal shedding. Of the individuals that provided at least three stool samples spanning more than 14 days, 77% had one or more samples that tested positive for SARS-CoV-2 RNA. We detected PMMoV RNA in at least one sample from all individuals and in 96% (352/367) of samples overall. CrAssphage DNA was detected in at least one sample from 80% (38/48) of individuals and was detected in 48% (179/371) of all samples. The geometric mean concentrations of PMMoV and crAssphage in stool across all individuals were 8.7 × 104 and 1.4 × 104 gene copies/milligram-dry weight, respectively, and crAssphage shedding was more consistent for individuals than PMMoV shedding. These results provide us with a missing link needed to connect laboratory WBE results with mechanistic models, and this will aid in more accurate estimates of COVID-19 burden in sewersheds. Additionally, the PMMoV and crAssphage data are critical for evaluating their utility as fecal strength normalizing measures and for source-tracking applications. IMPORTANCE This research represents a critical step in the advancement of wastewater monitoring for public health. To date, mechanistic materials balance modeling of wastewater-based epidemiology has relied on SARS-CoV-2 fecal shedding estimates from small-scale clinical reports or meta-analyses of research using a wide range of analytical methodologies. Additionally, previous SARS-CoV-2 fecal shedding data have not contained sufficient methodological information for building accurate materials balance models. Like SARS-CoV-2, fecal shedding of PMMoV and crAssphage has been understudied to date. The data presented here provide externally valid and longitudinal fecal shedding data for SARS-CoV-2, PMMoV, and crAssphage which can be directly applied to WBE models and ultimately increase the utility of WBE.


Asunto(s)
COVID-19 , Tobamovirus , Humanos , SARS-CoV-2/genética , ARN Viral/genética , Tobamovirus/genética
3.
Open Forum Infect Dis ; 9(11): ofac563, 2022 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-36381627

RESUMEN

Background: SARS-CoV-2 nucleocapsid antigen can be detected in plasma, but little is known about its performance as a diagnostic test for acute SARS-CoV-2 infection or infectious viral shedding among nonhospitalized individuals. Methods: We used data generated from anterior nasal and blood samples collected in a longitudinal household cohort of SARS-CoV-2 cases and contacts. Participants were classified as true positives if polymerase chain reaction (PCR) positive for SARS-CoV-2 and as true negatives if PCR negative and seronegative. Infectious viral shedding was determined by the cytopathic effect from viral culture. Stratified by 7 days after symptom onset, we constructed receiver operating characteristic (ROC) curves to describe optimized accuracy (Youden index), optimized sensitivity, and specificity. Results: Of 80 participants, 58 (73%) were true positives while 22 (27%) were true negatives. Using the manufacturer's cutoff of 1.25 pg/mL for evaluating infection, sensitivity was higher from 0 to 7 days (77.6% [95% confidence interval {CI}, 64%-88.2%]) than from 8 to 14 days (43.2% [95% CI, 31.1%-54.5%]) after symptom onset; specificity was unchanged at 100% (95% CI, 88.1%-100%). This test had higher sensitivity (100% [95% CI, 88.4%-100%]) and lower specificity (65% [95% CI, 40.8%-84.6%]) for infectious viral shedding as compared with infection, particularly within the first week of symptom onset. Although the presence of N-antigen correlated with infectious viral shedding (r = 0.63; P < .01), sensitivity still declined over time. Additional cutoffs from ROC curves were identified to optimize sensitivity and specificity. Conclusions: We found that this SARS-CoV-2 N-antigen test was highly sensitive for detecting early but not late infectious viral shedding, making it a viable screening test for community-dwelling individuals to inform isolation practices.

4.
PLoS Pathog ; 18(9): e1010802, 2022 09.
Artículo en Inglés | MEDLINE | ID: mdl-36095030

RESUMEN

The impact of vaccination on SARS-CoV-2 infectiousness is not well understood. We compared longitudinal viral shedding dynamics in unvaccinated and fully vaccinated adults. SARS-CoV-2-infected adults were enrolled within 5 days of symptom onset and nasal specimens were self-collected daily for two weeks and intermittently for an additional two weeks. SARS-CoV-2 RNA load and infectious virus were analyzed relative to symptom onset stratified by vaccination status. We tested 1080 nasal specimens from 52 unvaccinated adults enrolled in the pre-Delta period and 32 fully vaccinated adults with predominantly Delta infections. While we observed no differences by vaccination status in maximum RNA levels, maximum infectious titers and the median duration of viral RNA shedding, the rate of decay from the maximum RNA load was faster among vaccinated; maximum infectious titers and maximum RNA levels were highly correlated. Furthermore, amongst participants with infectious virus, median duration of infectious virus detection was reduced from 7.5 days (IQR: 6.0-9.0) in unvaccinated participants to 6 days (IQR: 5.0-8.0) in those vaccinated (P = 0.02). Accordingly, the odds of shedding infectious virus from days 6 to 12 post-onset were lower among vaccinated participants than unvaccinated participants (OR 0.42 95% CI 0.19-0.89). These results indicate that vaccination had reduced the probability of shedding infectious virus after 5 days from symptom onset.


Asunto(s)
COVID-19 , SARS-CoV-2 , Adulto , COVID-19/prevención & control , Humanos , Estudios Longitudinales , ARN Viral/genética , Vacunación , Esparcimiento de Virus
5.
Clin Infect Dis ; 75(Suppl 2): S193-S204, 2022 10 03.
Artículo en Inglés | MEDLINE | ID: mdl-35788827

RESUMEN

BACKGROUND: Households have emerged as important venues for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission. Little is known, however, regarding the magnitude and determinants of household transmission in increasingly vaccinated populations. METHODS: From September 2020 to January 2022, symptomatic nonhospitalized individuals with SARS-CoV-2 infection by RNA detection were identified within 5 days of symptom onset; all individuals resided with at least 1 other SARS-CoV-2-uninfected household member. These infected persons (cases) and their household members (contacts) were subsequently followed with questionnaire-based measurement and serial nasal specimen collection. The primary outcome was SARS-CoV-2 infection among contacts. RESULTS: We evaluated 42 cases and their 74 household contacts. Among the contacts, 32 (43%) became infected, of whom 5 (16%) were asymptomatic; 81% of transmissions occurred by 5 days after the case's symptom onset. From 21 unvaccinated cases, 14-day cumulative incidence of SARS-CoV-2 infection among contacts was 18/40 (45% [95% confidence interval {CI}, 29%-62%]), most of whom were unvaccinated. From 21 vaccinated cases, 14-day cumulative incidence of SARS-CoV-2 infection was 14/34 (41% [95% CI, 25%-59%]) among all contacts and 12/29 (41% [95% CI, 24%-61%]) among vaccinated contacts. At least 1 comorbid condition among cases and 10 or more days of RNA detection in cases were associated with increased risk of infection among contacts. CONCLUSIONS: Among households including individuals with symptomatic SARS-CoV-2 infection, both vaccinated-to-vaccinated and unvaccinated-to-unvaccinated transmission of SARS-CoV-2 to household contacts was common. Because vaccination alone did not notably reduce risk of infection, household contacts will need to employ additional interventions to avoid infection.


Asunto(s)
COVID-19 , SARS-CoV-2 , COVID-19/epidemiología , Estudios de Cohortes , Humanos , Estudios Longitudinales , ARN
6.
Rev. esp. nutr. comunitaria ; 28(2): 1-11, Abril-Junio, 2022. tab
Artículo en Español | IBECS | ID: ibc-205813

RESUMEN

Fundamentos: Los comportamientos y hábitos que forman el estilo de vida se adquieren desde el hogar, poresta razón es importante la promoción de hábitos de vida saludable interviniendo desde las familias. Sepropuso evaluar la efectividad de un Programa de Intervención de Enfermería en Salud Familiar en Hábitos deVida Saludable, basado en el Modelo de Promoción de la Salud de Nola Pender.Métodos: Muestra estuvo conformada por 64 familias, escogidas en un muestreo por conglomerados,estudio cuasi-experimental, con mediciones pre-test y post-test, se aplicó una ficha sociodemográfica y elHPLP II, para evaluar los estilos de vida. Se realizó una evaluación diagnóstica, luego se diseñó e implementóel programa de intervención, en la tercera fase se realizó el post test y análisis de datos.Resultados: Se encontró que las dimensiones de mayor puntuación fueron las de Nutrición, CrecimientoEspiritual y Relaciones Interpersonales, mientras que las más bajas fueron Responsabilidad en salud, Actividadfísica y Manejo del Estrés. Se encontraron diferencias significativas en las 6 dimensiones del HPLP II en lacomparación luego de la aplicación del programa de intervención.Conclusiones: La intervención realizada fue efectiva, de acuerdo con el cumplimiento de los objetivos dentrodel tiempo planteado. (AU)


Background: The behaviors and habits are part of a lifestyle are acquired from home, for this reason, it isimportant to promote healthy lifestyle habits by intervening from families. It is proposed to evaluate theeffectiveness of a Family Health Nursing Intervention Program in Healthy Living Habits, based on the NolaPender Health Promotion Model.Methods: The sample was consisted of 64 families, chosen in a cluster sampling, quasi-experimental study,with pre-test and post-test measurements, in which a sociodemographic card and the HPLP II were applied toevaluate lifestyles. A diagnostic evaluation was carried out, then the intervention program was designed andimplemented, in the third phase the post-test and data analysis was performed.Results: It was found that the dimensions with the highest scores were the Nutrition, Spiritual Growth andInterpersonal Relationships, while the lowest were Health Responsibility, Physical Activity and StressManagement. Significant differences were found in the 6 dimensions of the HPLP II in comparison after theintervention program application.Conclusions: The intervention accomplished was effective, according to the fulfillment of the objectiveswithin the established time. (AU)


Asunto(s)
Humanos , Estilo de Vida Saludable , Enfermería en Salud Comunitaria , Promoción de la Salud
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