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Fulltext Rare bone disorder affecting the temporal bone

Sreetharan SS, Hazim M, Saim L

Med J Malaysia, 2006 Mar;61(1):103-5.
PMID: 16708745 MyJurnal

Fibrous dysplasia is an uncommon benign disorder of unknown etiology. Rarely, it presents isolated in the temporal bone. We present three cases of monostotic fibrous dysplasia that involved the entire temporal bone.

Matched MeSH terms: Hearing Disorders/etiology*
Multiplicative effect of smoking and age on hearing impairment

Noorhassim I, Rampal KG

Am J Otolaryngol, 1998 8 6;19(4):240-3.
PMID: 9692632

PURPOSE: To determine the combined effect of smoking and age on hearing impairment.
MATERIALS AND METHODS: Pure tone audiometry test was conducted on 263 residents of a rural village who were not exposed to noise. The pack-years of smoking were computed from the subjects' smoking history. The association between pack-years and hearing impairment was assessed. The combined effect of smoking and age on hearing impairment was determined based on prevalence rate ratio.
RESULTS: There was a statistically significant trend in the number of pack-years of smoking and age as risk factors for hearing impairment. The prevalence rates of hearing impairment for nonsmokers aged 40 years and younger, smokers aged 40 years and younger, nonsmokers older than 40 years of age, and smokers older than 40 years of age were 6.9%, 11.9%, 29.7%, and 51.3%, respectively. The prevalence rate ratio for nonsmokers aged 40 years and younger, smokers aged 40 years and younger, nonsmokers older than 40 years of age, and smokers older than 40 years of age (nonsmokers aged 40 years and younger as a reference group) was 1, 1.7, 4.3, and 7.5, respectively. The prevalence rate ratios showed a multiplicative effect of smoking and age on hearing impairment.
CONCLUSION: Age and smoking are risk factors for hearing impairment. It is clear that smoking and age have multiplicative adverse effects on hearing impairment.

Matched MeSH terms: Hearing Disorders/etiology*
Fulltext Prevalence of hearing loss and hearing impairment among rural males in Selangor, 1993. [Prevalens kurang pendengaran dan gangguan pendengaran penduduk lelaki luarbandar Selangor, 1993]

Noor Hassim I, Rampal KG

Med J Malaysia, 1994 Mar;49(1):78-85.
PMID: 8057996

A cross sectional study to determine the prevalence of hearing loss and hearing impairment was conducted on 286 male subjects from a rural area. The sample was chosen by using a simple random sampling method. Prevalence of symptoms of tinnitus, ear disease, ear drum perforation and infection of external auditory meatus was 19.0 per cent, 6.7 per cent, 3.5 per cent and 0.4 per cent respectively. Air conduction audiometry tests showed the prevalences of hearing impairment of the left, right and both ears (aged 15-30 years) were 5.9%, 8.8% and 0% respectively. The prevalence of hearing loss increased with age. The higher frequencies (> 4KHz) appeared to be more affected than the lower frequencies.

Matched MeSH terms: Hearing Disorders/etiology
Surgical management of cochlear implant in chronic otitis media patients: safe and sound

Goh BS, Marimuthu D, Wan Hashim WF, Abdullah A

Acta Otolaryngol, 2020 Nov;140(11):914-918.
PMID: 32692598 DOI: 10.1080/00016489.2020.1784463

INTRODUCTION: Cochlear implantation (CI) in cases with chronic otitis media (COM) was previously contraindicated but recent advances have made it possible.
OBJECTIVE: To review surgical and audiological outcomes of COM patients that underwent CI.
MATERIAL AND METHODS: Retrospective review of patients above 18 years old.
RESULTS: Ten patients with complete data were included. Patients were aged 24-69 years old. Tympanoplasty and mastoidectomy were performed before CI. Imaging was performed to rule out ossifications. Eight patients underwent a standard canal wall up with either cochleostomy or round window approach. One patient had additional canalplasty and tympanoplasty and another one had blind sac procedure respectively. Analysis of the hearing aided level with CI and hearing aid showed significant benefit provided by the CI (Z = 2.803, p = .005).
DISCUSSION: Creating a dry and safe ear is important prior to CI. Definite hearing improvement is seen in all our cases that helped them to become independent again in their daily life. Hearing aid usage pre-CI might not be important as the hearing aids may continue to cause discharging ears and the benefits of hearing aids in severe to profound hearing loss are very minimal.
CONCLUSIONS: Cochlear implant is safe and effective in COM patients.

Matched MeSH terms: Hearing Disorders/etiology*