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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">El objetivo de este estudio ha sido analizar la reproducibilidad de un test de paseo de carga progresiva &#40;<span class="elsevierStyleItalic">shuttle walking test</span>&#41; en pacientes con enfermedad pulmonar obstructiva cr&#243;nica &#40;EPOC&#41;&#44; y comparar dicha reproducibilidad con la que presenta el test de paseo de 6 min&#46;</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Se analizaron los tests de esfuerzo en 13 pacientes diagnosticados de EPOC&#44; con una obstrucci&#243;n al flujo a&#233;reo moderada-severa &#40;FEV<span class="elsevierStyleInf">1</span> 45&#44;85<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>18&#44;82&#37; de sus valores te&#243;ricos&#41;&#46; Cada paciente realiz&#243; seis veces el test de paseo de carga progresiva &#40;TPCP&#41;&#44; dos veces a la semana durante 3 semanas consecutivas&#46; El mismo n&#250;mero de veces realizaron&#44; adem&#225;s&#44; el test de paseo de 6 min&#46; En situaci&#243;n basal y al final de ambos esfuerzos&#44; se recogi&#243; la frecuencia card&#237;aca y el grado de disnea &#40;escala de Borg modificada&#41;&#44; adem&#225;s de medir el nivel alcanzado y los metros recorridos&#46;</p><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">En el TPCP&#44; no se encontr&#243; diferencia significativa a lo largo de los seis esfuerzos en cuanto a metros recorridos&#44; frecuencia card&#237;aca y grado de disnea&#46; El coeficiente de correlaci&#243;n intraclase &#40;<span class="elsevierStyleSmallCaps">cci</span>&#41; fue de 0&#44;875&#44; 0&#44;879 y 0&#44;896 para cada uno de los par&#225;metros anteriores&#44; respectivamente&#44; y el coeficiente de variaci&#243;n para los metros recorridos oscil&#243; entre &#8211;10&#44;7 y 10&#44;2&#37;&#46; En cuanto al test de paseo de 6 min&#44; se encontr&#243; diferencia significativa en la distancia recorrida en las dos primeras pruebas con respecto a las restantes&#46; El coeficiente de variaci&#243;n oscil&#243; entre &#8211;11&#44;4 y 17&#44;5&#37;&#46;</p><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">El TPCP es un test de esfuerzo reproducible&#44; en el que el paciente se somete al esfuerzo de forma progresiva&#46; La escasa variabilidad que presenta nos asegura que el nivel de esfuerzo alcanzado sea mantenido y constante&#46;</p></span>"
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        "resumen" => "<span id="abst0010" class="elsevierStyleSection elsevierViewall"><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">To analyze the reproducibility of the shuttle walking test &#40;SWT&#41; in comparison to the six min walking test in patients with chronic obstructive pulmonary disease &#40;COPD&#41;&#46;</p><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">The stress tests were performed by 13 patients diagnosed of COPD with moderate-to-severe air flow obstruction &#40;FEV<span class="elsevierStyleInf">1</span>&#44; 45&#46;85<span class="elsevierStyleHsp" style=""></span>&#177;<span class="elsevierStyleHsp" style=""></span>18&#46;82&#37; of theoretical values&#41;&#46; Each patient performed the SWT six times &#40;twice a week over three consecutive weeks&#41;&#46; The 6 min walking test was performed an equal number of times&#46; At baseline and at the end of both types of test&#44; heart rate and degree of dyspnea &#40;on a modified version of Borg&#39;s scale&#41; were recorded&#44; as well as the level reached and the number of meters walked&#46;</p><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">No significant differences in distance walked&#44; heart rate or degree of dyspnea were found for the six SWTs performed&#46; The interclass correlation coefficients for the aforementioned parameters were 0&#46;875&#44; 0&#46;879 and 0&#46;896&#44; respectively&#59; the variation coefficient for distance covered ranged between &#8211;10&#46;7&#37; and 10&#46;2&#37;&#46; In the six min walking test significant differences were seen between distance walked in the first two tests and the other four tests&#46; The variation coefficient ranged between 11&#46;4&#37; and 17&#46;5&#37;&#46;</p><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">The SWT is a reproducible stress test in which the patient must exert progressively greater effort&#46; The low degree of variability observed assures that the level of effort attained is steady and consistent&#46;</p></span>"
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Vol. 33. Issue 2.
Pages 64-68 (February 1997)
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Vol. 33. Issue 2.
Pages 64-68 (February 1997)
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Reproducibilidad de un test de paseo de carga progresiva (shuttle walking test) en pacientes con enfermedad pulmonar obstructiva crónica
Reproducibility of the shuttie walking test in patients with chronic obstructive pulmonary disease
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M.T. Elias Hernández*, J. Fernández Guerra, J. Toral Marín, F. Ortega Ruiz, H. Sánchez Riera, T. Montemayor Rubio
Servicio de Neumología. Hospital Universitario Virgen del Rocío. Sevilla
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El objetivo de este estudio ha sido analizar la reproducibilidad de un test de paseo de carga progresiva (shuttle walking test) en pacientes con enfermedad pulmonar obstructiva crónica (EPOC), y comparar dicha reproducibilidad con la que presenta el test de paseo de 6 min.

Se analizaron los tests de esfuerzo en 13 pacientes diagnosticados de EPOC, con una obstrucción al flujo aéreo moderada-severa (FEV1 45,85±18,82% de sus valores teóricos). Cada paciente realizó seis veces el test de paseo de carga progresiva (TPCP), dos veces a la semana durante 3 semanas consecutivas. El mismo número de veces realizaron, además, el test de paseo de 6 min. En situación basal y al final de ambos esfuerzos, se recogió la frecuencia cardíaca y el grado de disnea (escala de Borg modificada), además de medir el nivel alcanzado y los metros recorridos.

En el TPCP, no se encontró diferencia significativa a lo largo de los seis esfuerzos en cuanto a metros recorridos, frecuencia cardíaca y grado de disnea. El coeficiente de correlación intraclase (cci) fue de 0,875, 0,879 y 0,896 para cada uno de los parámetros anteriores, respectivamente, y el coeficiente de variación para los metros recorridos osciló entre –10,7 y 10,2%. En cuanto al test de paseo de 6 min, se encontró diferencia significativa en la distancia recorrida en las dos primeras pruebas con respecto a las restantes. El coeficiente de variación osciló entre –11,4 y 17,5%.

El TPCP es un test de esfuerzo reproducible, en el que el paciente se somete al esfuerzo de forma progresiva. La escasa variabilidad que presenta nos asegura que el nivel de esfuerzo alcanzado sea mantenido y constante.

Palabras clave:
Enfermedad pulmonar obstructiva crónica (EPOC)
Test de esfuerzo
Entrenamiento al ejercicio

To analyze the reproducibility of the shuttle walking test (SWT) in comparison to the six min walking test in patients with chronic obstructive pulmonary disease (COPD).

The stress tests were performed by 13 patients diagnosed of COPD with moderate-to-severe air flow obstruction (FEV1, 45.85±18.82% of theoretical values). Each patient performed the SWT six times (twice a week over three consecutive weeks). The 6 min walking test was performed an equal number of times. At baseline and at the end of both types of test, heart rate and degree of dyspnea (on a modified version of Borg's scale) were recorded, as well as the level reached and the number of meters walked.

No significant differences in distance walked, heart rate or degree of dyspnea were found for the six SWTs performed. The interclass correlation coefficients for the aforementioned parameters were 0.875, 0.879 and 0.896, respectively; the variation coefficient for distance covered ranged between –10.7% and 10.2%. In the six min walking test significant differences were seen between distance walked in the first two tests and the other four tests. The variation coefficient ranged between 11.4% and 17.5%.

The SWT is a reproducible stress test in which the patient must exert progressively greater effort. The low degree of variability observed assures that the level of effort attained is steady and consistent.

Key words:
Chronic obstructive pulmonary disease (COPD)
Stress test
Exercise training
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Copyright © 1997. Sociedad Española de Neumología y Cirugía Torácica
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