Shift of the Distribution of Age in Patients with Otosclerosis

Authors: Niedermeyer, H. P.1; Arnold, W.1; Schwub, D.1; Busch, R.2; Wiest, I.1; Sedlmeier, R.3

Source: Acta Oto-Laryngologica, Volume 121, Number 2, 1 March 2001 , pp. 197-199(3)

Publisher: Informa Healthcare

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Abstract:

Morphological and biochemical investigations have shown evidence of an association between measles virus and otosclerosis. Epidemiological analysis of age and gender distributions in the 1960s and 1970s revealed a higher incidence of otosclerosis in women, the average age of onset of clinical disturbances and need for surgery being between 15 and 40 years. In the late 1960s and early 1970s a campaign to vaccinate children against measles was started in Germany. The aim of our study was to evaluate whether this campaign has had any influence on the distributions of the age and gender of patients affected by otosclerosis over the past 20 years. The study included patients suffering from clinical otosclerosis who had undergone stapedectomy between 1978 and 1999 and whose clinical data were complete (n=1351). Statistical analysis during the recruitment period indicated a significant increase in the average age of the otosclerosis patients (p=0.012). With regard to the gender distribution it was found that the increase of otosclerosis in women compared to men was statistically insignificant (p=0.418). These data strongly support the hypothesis of a measles virus involvement in otosclerosis and may reflect a decreased incidence of otosclerosis in the generation of patients vaccinated against measles virus.

Keywords: DISTRIBUTION; GENDER; MEASLES; OTOSCLEROSIS; VIRUS

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/000164801300043488

Affiliations: 1: Departments of Otorinolaryngology, Head and Neck Surgery, Klinikum r.d. Isar, Technical University Munich, Munich, Germany 2: Department of Medical Statistics and Epidemiology, Klinikum r.d. Isar, Technical University Munich, Munich, Germany 3: Departments of Otorinolaryngology, Head and Neck Surgery, and Medical Statistics and Epidemiology, Klinikum r.d. Isar, Technical University Munich, Munich, Germany

Publication date: March 1, 2001

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