[Nasal mucociliary transport in normal subjects]

Clinical study referred to the nasal mucociliary transport of 132 healthy people, by means of the charcoal powder method. Intranasal clearance direction of the marker, the degree of the test's reproductiveness and the influence on the clearance of certain variables are considered. With this procedure the study of the nasociliary transportation time become simple, cheap, reliable, reproducible and objective. There are great individual variations of the nasal transport-time, but it is relatively constant in each examinee. The number of slow markers is scarce. The age, the sex, tobacco and the feminine cycle have no influential effect in the nasal mucociliary transport-time.