Audiological Profile in Allergic Rhinitis, a Hospital Based Study. 2024

S Prabakaran, and Namasivaya Navin R B, and Balaji Dhanasekaran, and S Rajasekaran, and S R Karthika
Department of Otorhinolaryngology (ENT), Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam, Tamil Nadu 603103 India.

A type-I hypersensitivity reaction of the nasal mucosa, allergic rhinitis (AR) is distinguished by nasal obstruction, watery rhinorrhea, sneezing, and throat, mouth, and nose irritation. It is assumed that allergies can affect the inner, middle, or outer ear. Many writers have studied the relationship between allergic rhinitis and otitis media. Most of them concur that bacterial infection and Eustachian tube obstruction are significant risk factors for the development of otitis media with effusion in addition to allergies. One hundred study participants had a full clinical evaluation that included an ENT history and examination. In the ENT OPD, the audiological examination was conducted using Pure Tone Audiometry (PTA) and Impedance Audiometry (IA). At frequencies of 250 and 8000 Hz, respectively, the bone and air conduction thresholds were studied. The commercially available "AT235 INTERACOUSTICS" tympanometer was used for the tympanometry procedure. With pressure variations between + 200 and - 300daPa, tympanometry was carried out employing a 226 Hz probe tone. Mean age of study population was 52.16 and 24% each in age group 51 to 60 and 61 to 70 years respectively. 73 (73%) were male and 27 (27%) were female. 46% of allergic rhinitis study population was found to have normal hearing and 43% had mild conductive hearing loss. Most common type of impedance curve was A type (47%). Patients having acute phase of allergy with symptoms less than 3 months had more ear block and secretory otitis media. Patients with duration more than 3 months had resolved secretory otitis media hence the hearing was normal in 33 cases and 11 had mild conductive hearing loss. This study was concluded that there is correlation between the severity of the hearing loss and duration of allergic rhinitis.

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