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Biomedical subjects

F L van der Laan

Publications and source records attributed to F L van der Laan.

6 recordsLinked to original sources

Noise exposure and its effect on the labyrinth, Part I.

According to the author, the assumption is made that in Ménière's disease, compensation should be paid in acoustic trauma cases. Ménière's disease is an aftereffect of noise exposure, even if the time lapse exceeds 10 years. A historical review of existing literature (from 1872 to 1958) shows no convincing evidence of this matter. Ten patients were chosen at random. All were exposed to noise and presented with vestibular dysfunction at a certain time.

Adult↗

Noise exposure and its effect on the labyrinth, Part II.

The neurootological data of 12 patients attending our ear, nose, and throat clinic were analyzed. The patients submitted to a neurootological routine evaluation consisting of patient history recording and audiometric and equilibriometric investigations (i.e., electronystagmography). The conclusion was that many tinnitus patients--even those who had no vestibular symptoms--showed some disturbance in the vestibular tests, such as spontaneous and positional nystagmus and nystagmus alternans. Laurikainen came to the same conclusion in 1995, after examining 10 patients with sudden deafness but no vestibular complaints. It is recommended that all patients with noise exposure, sudden deafness, and tinnitus of the severe disabling type undergo a complete cochleovestibular investigation.

Adult↗

Motion sickness--vestibular habituation with the centrifuge.

People who are prone to motion sickness have a directional preponderance of nystagmus to the left. Centrifuging will change this preponderance to the right in most people, and at the same time reduce their tendency towards motion sickness but only with regard to air travel.

Centrifugation↗