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. 2016 Nov-Dec;82(6):643-649.
doi: 10.1016/j.bjorl.2015.11.007. Epub 2016 Feb 13.

Association of tinnitus and hearing loss in otological disorders: a decade-long epidemiological study in a South Indian population

Santoshi Kumari Manche  1 , Jangala Madhavi  1 , Koralla Raja Meganadh  2 , Akka Jyothy  3
Affiliations

Association of tinnitus and hearing loss in otological disorders: a decade-long epidemiological study in a South Indian population

Santoshi Kumari Manche et al. Braz J Otorhinolaryngol. 2016 Nov-Dec.

Abstract
in English, Portuguese

Introduction: Tinnitus is a common disorder that occurs frequently across all strata of population and has an important health concern. Tinnitus is often associated with different forms of hearing loss of varying severity.

Objective: The present study aimed to identify the association of tinnitus with hearing loss in various otological disorders of a South Indian population.

Methods: A total of 3255 subjects referred to the MAA ENT Hospital, Hyderabad, from 2004 to 2014, affected with various otological diseases have been included in the present cross-sectional study. Diagnosis of the diseases was confirmed by an ear, nose, and throat (ENT) specialist using detailed medical and clinical examination. Statistical analysis was performed using the χ2 test and binary logistic regression.

Results: Tinnitus was observed in 29.3% (956) of the total study subjects that showed an increased prevalence in greater than 40 years of age. There was a significant increase in risk of tinnitus with middle (OR=1.79, 95% CI=1.02-3.16) and inner (OR=3.00, 95% CI=1.65-5.45) inner ear diseases. It was noted that 96.9% (n=927) of the tinnitus subjects was associated with hearing loss. Otitis media (60.9%), presbycusis (16.6%) and otosclerosis (14.3%) are the very common otological disorders leading to tinnitus. Tinnitus was significantly associated with higher degree of hearing loss in chronic suppurative otitis media (CSOM) subjects.

Conclusion: The present study could identify the most prevalent otological risk factors leading to development of tinnitus with hearing loss in a South Indian population.

Introdução: O zumbido é um distúrbio comum que ocorre com frequência em todos os estratos da população, constituindo um problema importante de saúde. O zumbido é frequentemente associado a diferentes formas de perda auditiva e sua gravidade é variada.

Objetivo: O presente estudo teve como objetivo identificar a associação entre zumbido e perda auditiva em várias doenças otológicas na população do Sul da Índia.

Método: No total, 3.255 indivíduos encaminhados ao Hospital MAA ENT em Hyderabad de 2004 a 2014, com diversas doenças otológicas, foram incluídos neste estudo transversal. O diagnóstico das doenças foi confirmado pelo otorrinolaringologista por meio de exames médico e clínico detalhados. A análise estatística foi realizada com o teste do χ2 e regressão logística binária.

Resultados: Zumbido foi observado em 29,3% (956) do total de participantes do estudo, com maior prevalência em indivíduos com mais de 40 anos de idade. Houve um aumento significante do risco de zumbido em doenças da orelha média (OR = 1,79, IC 95% = 1,02-3,16) e interna (OR = 3,00, IC 95% = 1,65-5,45). Observamos que em 96,9% (n = 927) dos indivíduos com zumbido houve associação com perda auditiva.

Conclusão: O presente estudo pôde identificar os fatores etiológicos mais prevalentes que levam ao desenvolvimento de zumbido associado à perda auditiva em uma população do Sul da Índia. Otite média (60,9%), presbiacusia (16,6%) e otosclerose (14,3%) são doenças otológicas frequentemente associadas ao zumbido. Em indivíduos com otite média crônica supurativa (OMCS), o zumbido foi significantemente associado ao maior grau de perda auditiva.

Keywords: Chronic suppurative otitis media; Hearing loss; Otite média com efusão; Otite média supurativa crônica; Otitis media with effusion; Otosclerose; Otosclerosis; Perda auditiva; Tinnitus; Zumbido.

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Figures

Figure 1
Figure 1
Prevalence of tinnitus and hearing loss in otological diseases.
See this image and copyright information in PMC

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