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      "titulo" => "Eficacia broncodilatadora del clorhidrato de procaterol: analisis comparativo con salbutamol"
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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">El efecto broncodilatador de un nuevo adren&#233;rgico beta-2 inhalado&#44; el procaterol&#44; se compar&#243; con el salbutamol&#44; mediante una t&#233;cnica de dosis respuesta acumulada&#46;</p><p id="sp2500" class="elsevierStyleSimplePara elsevierViewall">Se estudiaron 14 pacientes con limitaci&#243;n cr&#243;nica al flujo a&#233;reo y respuesta broncodilatadora significativa&#46; El estudio se realiz&#243; en dos d&#237;as consecutivos seg&#250;n dise&#241;o ciego simple&#46; Cada d&#237;a se administr&#243; al paciente 10 inhalaciones de uno u otro f&#225;rmaco&#44; repartidas en dos inhalaciones cada 10 min&#46; La dosis de salbutamol &#40;S&#41; utilizada fue de 0&#44;1<span class="elsevierStyleHsp" style=""></span>mg&#47;inh&#46; con dosis m&#225;xima de 1<span class="elsevierStyleHsp" style=""></span>mg y la de procaterol &#40;P&#41; de 0&#44;01<span class="elsevierStyleHsp" style=""></span>mg&#47;ihn&#46; con dosis m&#225;xima de 0&#44;1<span class="elsevierStyleHsp" style=""></span>mg&#46; Tres pacientes fueron excluidos por excesiva variaci&#243;n de su espirometr&#237;a basal durante el estudio y uno por problemas en la administraci&#243;n del aerosol&#46;</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">El incremento del FEV1 en los primeros 10 min&#44; expresado en porcentaje ponderado sobre el valor basal&#44; fue de 28 SD15&#37; con S y 24 SD17&#37; con P &#40;NS&#41;&#46; El incremento m&#225;ximo fue de 44 SD18&#37; con S y de 41 SD19&#37; con P &#40;NS&#41;&#46; Este efecto m&#225;ximo se alcanz&#243; entre la cuarta y quinta dosis&#46; El incremento alcanzado a los 10 min en relaci&#243;n al m&#225;ximo fue de 59 SD20&#37; con S y de 46 SD27&#37; con P &#40;NS&#41;&#46; En el resto de par&#225;metros espirom&#233;tricos tampoco hubo diferencias significativas&#46;</p><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">En resumen&#44; el procaterol logr&#243; un efecto broncodilatador similar al salbutamol&#46; En ambos casos&#44; los resultados obtenidos con la administraci&#243;n acumulativa de f&#225;rmaco apoyan la posibilidad de aumentar las dosis habitualmente recomendadas para uso cl&#237;nico de beta-2 en aerosol&#46;</p></span>"
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        "resumen" => "<span id="abst0010" class="elsevierStyleSection elsevierViewall"><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">The effect of a new inhaled beta-2-adrenergic drug&#44; procaterol&#44; was compared with that of salbutamol by means of a cumulative dose-response technique&#46;</p><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Fourteen patients with chronic limitation to the airflow and significant bronchodilator response were evaluated&#46; The study was caried out in two consecutive days with a single blind design&#46; Each day&#44; the patient received ten inhalations of either one or the other drug&#44; distributed in two inhalations every 10 minutes&#46; The salbutamol &#40;S&#41; dose was 0&#44;1<span class="elsevierStyleHsp" style=""></span>mg&#47;inhalation&#44; with a maximal dose of 1<span class="elsevierStyleHsp" style=""></span>mg&#44; and that of procaterol &#40;P&#41; was 0&#44;01<span class="elsevierStyleHsp" style=""></span>mg&#47;inhalation&#44; with a maximal dose of 0&#44;1<span class="elsevierStyleHsp" style=""></span>mg&#46; Three patients were excluded because an excessive variation of their baseline spirometric values&#44; and because of problems in the administration of the aerosol&#46;</p><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">The increase of FEV1 in the initial 10 minutes&#44; expressed as a weighted percent value of the baseline value&#44; was 28&#37; &#40;SD 15&#41; with S&#44; and 41&#37; &#40;SD 19&#41; with P &#40;NS&#41;&#46; The maximal increase was 44&#37; &#40;SD 18&#41; with S and 41&#37; &#40;SD 19&#41; with P &#40;NS&#41;&#46; This maximal effect was achieved between the fourth and fifth doses&#46; The maximal increase achieved after 10 minutes as related with the maximal value was 59&#37; &#40;SD 20&#41; with S and 46&#37; &#40;SD 27&#41; with P &#40;NS&#41;&#46; In the remaining spirometric parameters there were not significant differences either&#46;</p><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">To summarize&#44; procaterol achieved a bronchodilator effect similar to that of salbutamol&#46; In both cases&#44; the results with the cumulative administration of the drug favor the possibility to increase the usually recommended doses for the clinical use of beta-2-adrenergic agents in aerosol&#46;</p></span>"
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Vol. 25. Issue 2.
Pages 65-68 (March 1989)
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Vol. 25. Issue 2.
Pages 65-68 (March 1989)
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Comparacion entre procaterol y salbutamol mediante dosis-respuesta acumulada en pacientes con limitacion cronica al flujo aereo
Comparison between procaterol and salbutamol by means of cumulative dose-response in patients with chronic limitation to airflow
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M. Mayos, M. González, P. Casán, J. García-Barbal, J. Sanchís
Unitat de Funcíó Pulmonar. Hospital de la Santa Creu i Sant Pau. Barcelona
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El efecto broncodilatador de un nuevo adrenérgico beta-2 inhalado, el procaterol, se comparó con el salbutamol, mediante una técnica de dosis respuesta acumulada.

Se estudiaron 14 pacientes con limitación crónica al flujo aéreo y respuesta broncodilatadora significativa. El estudio se realizó en dos días consecutivos según diseño ciego simple. Cada día se administró al paciente 10 inhalaciones de uno u otro fármaco, repartidas en dos inhalaciones cada 10 min. La dosis de salbutamol (S) utilizada fue de 0,1mg/inh. con dosis máxima de 1mg y la de procaterol (P) de 0,01mg/ihn. con dosis máxima de 0,1mg. Tres pacientes fueron excluidos por excesiva variación de su espirometría basal durante el estudio y uno por problemas en la administración del aerosol.

El incremento del FEV1 en los primeros 10 min, expresado en porcentaje ponderado sobre el valor basal, fue de 28 SD15% con S y 24 SD17% con P (NS). El incremento máximo fue de 44 SD18% con S y de 41 SD19% con P (NS). Este efecto máximo se alcanzó entre la cuarta y quinta dosis. El incremento alcanzado a los 10 min en relación al máximo fue de 59 SD20% con S y de 46 SD27% con P (NS). En el resto de parámetros espirométricos tampoco hubo diferencias significativas.

En resumen, el procaterol logró un efecto broncodilatador similar al salbutamol. En ambos casos, los resultados obtenidos con la administración acumulativa de fármaco apoyan la posibilidad de aumentar las dosis habitualmente recomendadas para uso clínico de beta-2 en aerosol.

The effect of a new inhaled beta-2-adrenergic drug, procaterol, was compared with that of salbutamol by means of a cumulative dose-response technique.

Fourteen patients with chronic limitation to the airflow and significant bronchodilator response were evaluated. The study was caried out in two consecutive days with a single blind design. Each day, the patient received ten inhalations of either one or the other drug, distributed in two inhalations every 10 minutes. The salbutamol (S) dose was 0,1mg/inhalation, with a maximal dose of 1mg, and that of procaterol (P) was 0,01mg/inhalation, with a maximal dose of 0,1mg. Three patients were excluded because an excessive variation of their baseline spirometric values, and because of problems in the administration of the aerosol.

The increase of FEV1 in the initial 10 minutes, expressed as a weighted percent value of the baseline value, was 28% (SD 15) with S, and 41% (SD 19) with P (NS). The maximal increase was 44% (SD 18) with S and 41% (SD 19) with P (NS). This maximal effect was achieved between the fourth and fifth doses. The maximal increase achieved after 10 minutes as related with the maximal value was 59% (SD 20) with S and 46% (SD 27) with P (NS). In the remaining spirometric parameters there were not significant differences either.

To summarize, procaterol achieved a bronchodilator effect similar to that of salbutamol. In both cases, the results with the cumulative administration of the drug favor the possibility to increase the usually recommended doses for the clinical use of beta-2-adrenergic agents in aerosol.

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Copyright © 1989. Sociedad Española de Neumología y Cirugía Torácica
Archivos de Bronconeumología
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