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Author: search.filters.author.Ruelas-Villavicencio, Ana Lilia

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    Item type:Publication,
    Digital health literacy is linked to attitudes regarding the ethical aspects of digital health among patients with dermatologic comorbidities
    (Public Library of Science (PLoS), 2025)
    Ruelas-Villavicencio, Ana Lilia
    ;
    Contreras-Yáñez, Irazú
    ;
    Gómez-Ruiz, Roxana Paola
    ;
    Zagaglia Del Valle, María Clara
    ;
    Malagón-Liceaga, Andrea
    Introduction: Digital health literacy (DHL), also known as eHealth literacy, refers to an individual’s ability to locate, understand, evaluate, and apply health information from electronic sources to make informed health decisions. This skill is increasingly regarded as essential for navigating the modern healthcare landscape, promoting health equity, and improving health outcomes. The study objective was to establish an association between DHL and dermatologic outpatients’ attitudes regarding ethical aspects of digital health. Additionally, we validated a questionnaire designed to assess these bioethical attitudes. Patients and methods: This cross-sectional study was performed in two phases (April 2024-December 2024). Phase-1 consisted of validating the Bioethical Attitudes toward Digital Health questionnaire (BADH). Phase-2 evaluated the association between the eHEALS (it assesses a person’s ability to use digital health resources) and BADH scores. Three convenience samples of consecutive patients were used: S-1 included 46 patients who participated in a pilot testing, S-2 included 100 patients who participated in the BADH validation and S-3 included 120 patients and was used to investigate the association between DHL and bioethical attitudes. Descriptive statistics and multiple linear regression analysis were used. Results: The 8-item BADH was found to be feasible, valid, and reliable. The exploratory factor analysis revealed a two-factor structure, consisting of trust and privacy dimensions, which accounted for 59.8% of the total variance. This structure was subsequently validated through confirmatory factor analysis. The BADH reliability was confirmed with a Cronbach’s alpha of 0.686 and ICC of 0.684 (95% CI: 0.581–0.770). A positive linear association was identified between the eHEALS and the BADH scores (β = 0.465, 95%CI: 0.218–0.450, p < 0.001). This relationship was evident with the trust dimension of the BADH (β = 0.526, 95%CI: 0.206–0.379, p < 0.001), but not with the privacy dimension. Conclusions: DHL is associated with individual moral positions regarding digital health, particularly those concerning trust. The BADH questionnaire has adequate psychometric properties. ©The authors ©Public Library of Science (PLoS) ©PLOS one.
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    Expresión de CD-34 en el elastofibroma. Estudio clinicopatológico, histoquímico e inmunohistoquímico de cuatro casos
    (1999-01)
    Ruelas-Villavicencio, Ana Lilia
    ;
    Aponte Paredes, Paola Susana
    ;
    Ortíz Hidalgo, Carlos Federico  
    Objetivo. Explorar la expresión imunohistoquímica de células en casos de elastofibroma y evaluar cuatro técnicas histoquímicas para fibras elásticas. Material y métodos. Se obtuvieron cuatro elastofibromas de los archivos del departamento de patología del Hospital ABC. Todos los pacientes fueron mujeres cuyas lesiones se encontraron en la región subescapular. Se realizó inmunohistoquímica para CD34, actina, desmina, vimentina, proteína S-100 y bcl-2 y se evaluaron cuatro métodos para fibras elásticas (Verhoff, Gallego, Reyes-Mota y Russel-Movat). Resultados. En los cuatro casos habían numerosos miofibroblastos (positivos a la vimentina/actina/desmina). Además encontramos células dendríticas distribuidas irregularmente, positivas al CD34. Las tinciones de Verhoff y Reyes-Mota son las que mejor resaltan el componente elástico. El método de Russel-Movat es útil para distinguir diferentes componentes de tejido conectivo. Conclusión. Las células del elastofibroma originalmente se consideraron fibroblastos. La presencia de vimentina/actina/desmina sugiere que existe una población de miofibroblastos. Describimos por primera vez, células fusiformes y dendríticas, positivas al CD34 (QBend/10) distribuidas irregularmente en toda la lesión. Estas células pueden ser población reactiva de células del ®sistema dendrítico dérmico¼. No encontramos inmunorreactividad para bcl-2 en las células fusiformes y dendríticas © Revista de Investigación Clínica
    Scopus© Citations 6  30  2