PubMed · 6928209
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M Ingerman. 1980. Current stapedectomy update.. https://pubmed.ncbi.nlm.nih.gov/6928209/
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To prevent barotitis during descent in aviation, the ears have to be cleared several times by performing the Valsalva's manoeuvre. The manoeuvre is difficult for children to perform, and they are therefore at high risk of developing barotitis. The treatment of barotitis is either inflation by a Politzer balloon or myringotomy. An alternative treatment is autoinflation using the Otovent. This prophylaxis/treatment can be performed by the child with assistance from its parents as soon as or preferably before the descent has started. The prevalence of barotitis amongst 45 children and 49 adults in transit was found to be highest in children, 28%, compared with adults, 10%. Only 6% of the children with negative middle ear pressure after flight managed a successful Valsalva manoeuvre, whereas 33% could normalise the middle ear pressure by inflating the Otovent. In conclusion we recommend autoinflation using the Otovent set by children and adults who have problems clearing their ears during flight.
The aim of this study was to estimate the prevalence of the different types of eardrum pathology in a cohort (cohort 1955) who were children before the era of ventilation tubes, and to compare these findings with the prevalence of eardrum pathology in a previous published cohort study on 222 children followed since the age of four years (cohort 1975) in the era of ventilation tubes. All inhabitants of Hillerød county born in 1955 were invited to a screening examination including otomicroscopy, tympanometry and audiometry. All eardrum pathology was recorded. In cohort 1955, 59% of 460 possible, attended the examination. In addition 9% returned a questionnaire enquiring their otologic history. In the cohort with no grommets, retraction of Shrapnell's membrane was found in 4% of the ears compared to 20% in the cohort with grommets. Tensa pathology was found in 6% of the ears in the old cohort and in 24% in the young cohort. Despite the increased attention to the diagnosis of secretory otitis, and the increased rate of surgical treatment, the prevalence of eardrum pathology seems to have increased. The reason for this increase is discussed.
A prospective cross-sectional study was done to investigate the involvement of middle ear disease in cystic fibrosis. Eighty-eight patients with cystic fibrosis, aged 1-28 years, were examined during the winter period 1995-1996 at regular follow-up visits to detect history and prevalence of inflammatory and infectious middle ear disease by questionnaire, otoscopy and tympanometry. One third of the patients had a history of otitis media, but only in 9% did this occur more than once. Hearing problems were recorded in 8%, but this was severe in only one case. Otoscopy showed 141 normal tympanic membranes, 17 times retraction, 15 times otitis media with effusion, once an acute otitis media in both ears. Only one patient had a grommet in one ear. More than 70% of the tympanograms were normal. A flat curve, type B according to Jerger's classification, was found in 11 ears. The youngest age group had a higher prevalence of abnormal findings on otoscopy and tympanometry, while patients who had undergone paranasal sinus surgery had less frequently abnormal findings. In conclusion, no evidence that cystic fibrosis is associated with increased prevalence of middle ear disease has been found in this prospective cross-sectional study.