Sr. Editor. El asma bronquial es un trastorno inflamatorio crónico de las vías aéreas. En individuos susceptibles, esta inflamación causa episodios recurrentes de sibilancias, disnea y tos, particularmente en la noche y al despertar en la mañana. Estos síntomas se asocian, habitualmente, con obstrucción bronquial difusa, de variable intensidad, reversible parcialmente en forma espontánea o con tratamiento (1) .
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