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Uso de agujas de acupuntura como electrodos para mediciones de bioimpedancia eléctrica en piel
dc.contributor.advisor | González Correa, Carlos Augusto | |
dc.contributor.author | Chaustre Torres, Linda Adori | |
dc.contributor.author | Mejía Loaiza, Carolina | |
dc.date.accessioned | 2023-10-11T00:46:08Z | |
dc.date.available | 2023-10-11T00:46:08Z | |
dc.date.issued | 2023-10-10 | |
dc.identifier.uri | https://repositorio.ucaldas.edu.co/handle/ucaldas/19645 | |
dc.description | Ilustraciones, fotos, gráficas | spa |
dc.description.abstract | spa:La piel es el órgano más grande del cuerpo humano, está permanentemente expuesta a agentes nocivos, muchos de los cuales están asociados al cáncer de piel. A la hora de explorar lesiones dermatológicas, es útil que el médico disponga de información adicional más allá de la que puede obtener a simple vista. Durante este siglo, algunos autores han estado utilizando la espectroscopia de bioimpedancia eléctrica (EBIE) como una herramienta diagnóstica para explorar lesiones cutáneas, existiendo ya un dispositivo comercial para este fin. Aunque con resultados y aceptación aparentemente muy buenos, el equipo y su uso son costosos y están fuera de nuestro medio. Por este motivo, con el objetivo de superar la dificultad que supone para la EBIE la altísima resistividad de la epidermis, proponemos una posible alternativa con el uso de un arreglo hexapolar con agujas de acupuntura utilizadas como electrodos, como una posible alternativa a un mejor costo. En este artículo se presenta el procedimiento de calibración para dicho arreglo, donde son posibles profundidades teóricas de aproximadamente 30 y 66 mm, así como la simetría y el estado metabólico de un volumen explorado. Este procedimiento permite el cálculo de la resistividad aparente de volúmenes de tejido debajo de la piel y así, la exploración de lesiones dermatológicas. | spa |
dc.description.abstract | eng:The skin is the largest organ of the human body, it is permanently exposed to noxious agents, many of which are associated with skin cancer. When exploring dermatological lesions, it is useful for the medical explorer to have additional information beyond what they can obtain with their naked eye. During this century, some authors have been using electrical bioimpedance (EBI) as a diagnostic tool for exploring skin lesions, and there is already a commercial device for this purpose. Although with seemly very good results and acceptance, the equipment and its use are costly and out of the reach of non-wealthy countries. For this reason, as well as with the aim of overcoming the difficulty posed to EBI by the very high resistivity of the epidermis, we propose a possible alternative with the use of a low cost hexagonal array of acupuncture needles attached to a plastic container. In this paper, the calibration procedure for such an array is presented, where theoretical depths of approximately 3.0, 5.2, and 6.5 mm are possible, as well as symmetry and metabolic state of an explored volume containing a skin lesion. This procedure allows the calculation of apparent resistivity of volumes of tissue under the skin and, thus, the exploration of dermatological lesions. | eng |
dc.description.tableofcontents | AGRADECIMIENTOS / RESUMEN / RESUMEN GRÁFICO / ABSTRACT / 1. INTRODUCCIÓN / 1.1 Marco general / 1.2 La piel / 1.3 Cáncer de piel y cancerización de campo/efecto de campo carcinogénico / 1.3.1 Cáncer de piel / 1.3.2 Campo de cancerización /efecto de campo carcinogénico / 1.4 Espectrometría de bioimpedancia eléctrica / 1.5 Aspectos biológicos de los tejidos y su relación con la EBIE / 1.6 Grosor y resistividad eléctrica de la piel en el área volar del antebrazo / 2. PLANTEAMIENTO DEL PROBLEMA Y JUSTIFICACIÓN / 3. PREGUNTA DE INVESTIGACIÓN, HIPÓTESIS Y OBJETIVOS / 3.1 Pregunta de investigación / 3.2 Hipótesis / 3.3.1 Objetivo general / 3.3.2 Objetivos específicos / 4. METODOLOGÍA / 4.1 Tipo de estudio / 4.2 Selección y descripción de participantes / 4.2.1 Características de los participantes / Personas entre 18 y 35 años, sanos, sin lesiones de piel / 4.2.2 Tipo de muestreo / 4.2.3 Criterios de selección / Criterios de inclusión / Criterios de exclusión / 4.3 Aspectos éticos / 4.4 Equipos y materiales / 4.4.1. Equipo de medición de Impedancia Eléctrica / 4.4.2 Arreglo hexapolar en roseta / 4.4.3 Agujas de acupuntura / 11 4.5 Arreglos de electrodos y profundidad de penetración estimada de la corriente / 4.6 Procedimiento / 4.6.1 Etapa I: Ajuste del arreglo hexapolar a tres configuraciones distintas / 4.6.2 Etapa II: Mediciones in vivo en una muestra a conveniencia de adultos jóvenes, sanos / 5. ANÁLISIS ESTADÍSTICO / 6. RESULTADOS Y DISCUSIÓN / 6.1 Soluciones y geles / 6.1.1 Soluciones / 6.1.2 Geles / 6.2 Factores de conversión para los arreglos de electrodos / 6.3 Resultados obtenidos de las mediciones in vivo en una muestra a conveniencia de adultos jóvenes, sanos / 6.3.1 Mediciones / 6.3.2 Valores de referencia provisionales / 7. CONCLUSIONES / REFERENCIAS BIBLIOGRÁFICAS / Conflictos de interés / Apéndice A / Apéndice B / Apéndice C | spa |
dc.format.mimetype | application/pdf | spa |
dc.language.iso | eng | spa |
dc.language.iso | spa | spa |
dc.title | Uso de agujas de acupuntura como electrodos para mediciones de bioimpedancia eléctrica en piel | spa |
dc.type | Trabajo de grado - Maestría | spa |
dc.description.degreelevel | Especialización médico - quirúrgica | spa |
dc.identifier.instname | Universidad de Caldas | spa |
dc.identifier.reponame | Repositorio Institucional Universidad de Caldas | spa |
dc.identifier.repourl | https://repositorio.ucaldas.edu.co/ | spa |
dc.publisher.faculty | Facultad de Ciencias para la Salud | spa |
dc.publisher.place | Manizales | spa |
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dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
dc.subject.proposal | Agujas de acupuntura | spa |
dc.subject.proposal | Espectroscopia de bioimpedancia eléctrica (EBIS) | spa |
dc.subject.proposal | Guías de electrodos | spa |
dc.subject.proposal | Piel | spa |
dc.subject.proposal | Dermatología | spa |
dc.subject.unesco | Ciencias médicas | |
dc.type.coar | http://purl.org/coar/resource_type/c_bdcc | spa |
dc.type.content | Text | spa |
dc.type.driver | info:eu-repo/semantics/masterThesis | spa |
dc.type.version | info:eu-repo/semantics/publishedVersion | spa |
oaire.version | http://purl.org/coar/version/c_ab4af688f83e57aa | spa |
oaire.accessrights | http://purl.org/coar/access_right/c_abf2 | spa |
dc.description.degreename | Especialista en Dermatología | spa |
dc.publisher.program | Especialización en Dermatología | spa |
dc.rights.coar | http://purl.org/coar/access_right/c_abf2 | spa |