Curvas de flujo-volumen (MEFV). Registro grafico versus osciloscopico
Flow-volume curves (MEFV). Graphic versus oscilloscopic register
F. Burgos, R. Rodríguez Roisin, F. Añanos, C. Gistau, A. Agustí Vidal
Servicio de Neumología y Alergia Respiratoria. Hospital Clínico y Provincial. Departamento de Física Médica. Facilitad de Medicina. Barcelona
* Departamento de Física Médica. Servicio de Neumología y Alergia Respiratoria. Hospital Clínico y Provincial. Departamento de Física Médica. Facilitad de Medicina. Barcelona
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"apellidos" => "Burgos" ] 1 => array:2 [ "nombre" => "R." "apellidos" => "Rodríguez Roisin" ] 2 => array:2 [ "nombre" => "F." "apellidos" => "Añanos" ] 3 => array:2 [ "nombre" => "C." "apellidos" => "Gistau" ] 4 => array:2 [ "nombre" => "A." "apellidos" => "Agustí Vidal" ] ] "afiliaciones" => array:1 [ 0 => array:2 [ "entidad" => "Servicio de Neumología y Alergia Respiratoria. Hospital Clínico y Provincial. Departamento de Física Médica. Facilitad de Medicina. Barcelona" "identificador" => "aff0005" ] ] ] 1 => array:3 [ "autoresLista" => "M.M. Rotger, D. Navajas" "autores" => array:2 [ 0 => array:3 [ "nombre" => "M.M." "apellidos" => "Rotger" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "aff0010" ] ] ] 1 => array:3 [ "nombre" => "D." "apellidos" => "Navajas" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "aff0010" ] ] ] ] "afiliaciones" => array:1 [ 0 => array:3 [ "entidad" => "Departamento de Física Médica. Servicio de Neumología y Alergia Respiratoria. Hospital Clínico y Provincial. Departamento de Física Médica. Facilitad de Medicina. Barcelona" "etiqueta" => "*" "identificador" => "aff0010" ] ] ] ] "titulosAlternativos" => array:1 [ "en" => array:1 [ "titulo" => "Flow-volume curves (MEFV). Graphic versus oscilloscopic register" ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "1980-05-13" "tieneResumen" => true "resumen" => array:2 [ "es" => array:2 [ "titulo" => "Resumen" "resumen" => "<span id="absec0005" class="elsevierStyleSection elsevierViewall"><p id="sp0005" class="elsevierStyleSimplePara elsevierViewall">Para averiguar la fiabilidad del registro de las curvas flujo-volumen (MEFV) con un registrador gráfico X-Y (H.P., 7045 A), se determinó experimentalmente <span class="elsevierStyleItalic">su respuesta en frecuencias y la composición espectral de las curvas flujo-tiempo</span> (V-t). La falta de linealidad del registrador no permitió, a la vista de los resultados obtenidos, asegurar la absoluta fiabilidad del registro de la curva de MEFV. El objetivo del presente trabajo consistió en cotejar los registros gráficos con los osciloscópicos (que no ofrecen tales problemas técnicos), simultáneamente recogidos, y evaluar las correlaciones obtenidas entre los valores medidos con cada uno de ellos. Seis individuos, en situaciones clínicas distintas, fueron explorados espirométricamente, recogiéndose un total de 23 curvas de MEFNL Los flujos aéreos máximos (PEF, V<span class="elsevierStyleInf">25%</span>, etc…) fueron obtenidos a través del registrador gráfico (ya señalado), y de un osciloscopio (5113, con amplificador 5A15N, Tektronix) acoplados en paralelo y medidos separada e independiente por 3 observadores con experiencia. Ninguno de los registros superó los 10-12 cm. de altura.</p><p id="sp0010" class="elsevierStyleSimplePara elsevierViewall">Los coeficientes de correlación intraindividuales (r) entre ambos registros fueron superiores en su mayoría a 0,95 (p < 0,001) para los flujos aéreos máximos y la capacidad vital forzada; los interindividuales, fueron superiores a 0,99 (p < 0,001) para los mismos parámetros y para ambos registros. Los 3 observadores coincidieron en apreciar la mayor facilidad de medición gráfica. Se concluye que este modelo de registro gráfico de las curvas de MEFV reúne las condiciones óptimas desde un punto de vista técnico, siempre y cuando su formato no supere los 10-12 cm de altura.</p></span>" ] "en" => array:2 [ "titulo" => "Summary" "resumen" => "<span id="absec0010" class="elsevierStyleSection elsevierViewall"><p id="sp0015" class="elsevierStyleSimplePara elsevierViewall">In order to ascertain the reliability of the register of the flow-volume curves (MEFV) with a graphic register X-Y (H.P., 7045 A), its <span class="elsevierStyleItalic">response in frequencies and the spectral composition of the flow-time curves</span> (V-t) were determined experimentally. The lack of linearity of the register, given the results obtained, did not permit the authors to assure the absolute reliability of the register of the curve of MEFV. The objective of the present work consisted in comparing the graphic registers with oscilloscopic registers (that do not offer said technical problems), gathered simultaneously, and evaluating the correlations obtained between the average valúes with each of them. Six individuáis, in different clinical situations, were explored spirometrically, gathering a total of 23 curves of MEFV. The máximum aerial flows (PEF, V<span class="elsevierStyleInf">25%</span>, etc…) were obtained through the graphic register (already indicated), and from an oscilloscope (5113, with 5A15N amplifier, Tektronix) connected in parallel and measured separtely and independently by 3 observers with experience. None of the registers surpassed 10-12 cm of height.</p><p id="sp0020" class="elsevierStyleSimplePara elsevierViewall">The intraindividual coefficients of correlation (r) between both registers were superior, in the majority of cases, to 0.95 (p < 0.001) for the máximum aerial flows and the forced vital capacity; the interindividuals, were superior to 0.99 (p < 0.001) for the same parameters and for both registers. The three observers coincided in noting the greater casiness of graphic measurement. The authors conclude that this model of graphic register of the MEFV curves has optimum conditions from the technical viewpoint when its format does not surpass 10-12 cm of height.</p></span>" ] ] "bibliografia" => array:2 [ "titulo" => "Bibliografia" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:8 [ 0 => array:3 [ "identificador" => "bib0005" "etiqueta" => "1." 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