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Vol. 30. Issue 3.
Pages 141-144 (March 1994)
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Vol. 30. Issue 3.
Pages 141-144 (March 1994)
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Parámetros predictivos en la respuesta al tratamiento con almitrina
Predictive variables in response to treatment with almitrine
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J.M. González Ruiz*,1
* Servicios de Neumología. Hospital La Paz. Madrid
J. Villamor, J.M. Pino, J. Muñoz, S.D. Lobato, C. Prados
Servicios de Neumología. Hospital Clínico de Salamanca. Madrid
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El bismesilato de almitrina (BA) mejora la hipoxemia en un número indeterminado de enfermos con insuficiencia respiratoria. Nuestro objetivo en este trabajo ha sido tratar de identificar los pacientes que podían beneficiarse de este tratamiento. Se realizó un estudio a doble ciego, aleatorio con 21 enfermos, diagnosticados de bronquitis crónica obstructiva que recibieron oxigenoterapia domiciliaria, con BA (50-100 mg/día) frente a placebo, durante 3 meses (T0 a T3). La Pa02 ascendió desde 51 ± 5,3 a 58,5 ± 10 mmHg (6,8 ± 0,7 a 7,8 ± 1,3 Kpa) en los 12 pacientes con BA (p < 0,05). Los restantes parámetros gasométricos y de la exploración funcional respiratoria no se modificaron. Los 7 pacientes del grupo BA definidos como respondedores, es decir, cuya PaO2 ascendió más de 5 mmHg (0,66 Kpa) presentaban en T0 valores inferiores respecto a los 7 no respondedores del mismo grupo en: presión de oclusión con CO2, flujo inspiratorio medio, ventilación minuto tanto aire como con CO2. Estos parámetros podrían servir de predicción para la posible respuesta gasométrica al BA.

Almitrine bimesylate (AB) improves hypoxemia in an undetermined number of patients with respiratory failure. Our objective was to try to identify the patients likely to benefit from this treatment. We undertook a double blind study of AB (50-100 mg/day) vs placebo in 21 randomly chosen patients diagnosed as having chronic obstructive bronchitis who were receiving oxygen therapy in the home. The study lasted 3 months (T0 to T3). PaO2 rose from 51 ± 5.3 to 58.5 ± 10 mmHg (6.8 ± 0.7 to 7.8 ±1.3 Kpa) in the 12 patients taking AB (p < 0.05). The remaining gasometric variables and results of functional respiratory exploration were unchanged. The 7 patients receiving AB who were defined as responding -whose PaO2 rose more than 5 mmHg (0.66 Kpa)presented T0 values lower than those of the 7 non-responding patients in the same group, with respect to CO2 occlusion pressure, mean inspiratory flow and minute ventilation for both air and CO2. These variables can serve as predictors for gasometric response to AB.

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Copyright © 1994. Sociedad Española de Neumología y Cirugía Torácica
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