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Fulltext Hearing Loss in SARS-CoV-2: What Do We Know?

Saniasiaya J

Ear Nose Throat J, 2021 Apr;100(2_suppl):152S-154S.
PMID: 32755405 DOI: 10.1177/0145561320946902
Matched MeSH terms: Otoacoustic Emissions, Spontaneous
Fulltext Auditory neuropathy: three cases among a group with sensorineural hearing loss

Mohd Khairi MD, Normastura AR, Wan Zaharah AW

Singapore Med J, 2009 Sep;50(9):e324-5.
PMID: 19787161

The prevalence of auditory neuropathy is not known, although the majority of cases are felt to lie within the population of neonatal intensive care unit graduates. We report three cases of auditory neuropathy, out of 211 children with sensorineural hearing loss, seen at our audiology clinic from April 1, 1999 to December 31, 2003. Two patients did not have a risk factor for hearing impairment. Screening policies based solely on transient evoked otoacoustic emissions testing will not detect auditory neuropathy effectively, and may falsely reassure parents and professionals unaware of this condition.
Study site: Audiology clinic, Hospital Universiti Sains Malaysia, Kelantan, Malaysia

Matched MeSH terms: Otoacoustic Emissions, Spontaneous
Hearing loss after noise exposure

Govindaraju R, Omar R, Rajagopalan R, Norlisah R, Kwan-Hoong N

Auris Nasus Larynx, 2011 Aug;38(4):519-22.
PMID: 21236610 DOI: 10.1016/j.anl.2010.12.006

The higher field strength magnetic resonance imaging (MRI) such as 3 Tesla (T) and above generates noise that has potential detrimental effects on the hearing. Temporary threshold shifts following MRI examination have been reported for MRI with lower field strength. Such effect, however, have not been reported so far for a 3T MRI. We report a case that exemplifies the possible detrimental effects of a 3 T MRI generated noise on the auditory system. Our patient underwent investigation of his chronic backache in a 3 T MRI unit and developed hearing loss and tinnitus post-MRI examination. Hearing assessment was done using pure tone audiogram, distortion product otoacoustic emission (DPOAE) and brainstem electrical response audiometry (BERA) which revealed a unilateral sensorineural hearing loss which recovered within 3 days. However the tinnitus persisted. This is possibly a case of temporary threshold shift following noise exposure. However a sudden sensorineural hearing loss remains the other possibility.

Matched MeSH terms: Otoacoustic Emissions, Spontaneous
Factors contributing to hearing impairment in patients with cleft lip/palate in Malaysia: A prospective study of 346 ears

Cheong JP, Soo SS, Manuel AM

Int J Pediatr Otorhinolaryngol, 2016 Sep;88:94-7.
PMID: 27497393 DOI: 10.1016/j.ijporl.2016.06.045

OBJECTIVE: To determine the factors contributing towards hearing impairment in patients with cleft lip/palate.
METHOD: A prospective analysis was conducted on 173 patients (346 ears) with cleft lip and palate (CL/P) who presented to the combined cleft clinic at University Malaya Medical Centre (UMMC) over 12 months. The patients' hearing status was determined using otoacoustic emission (OAE), pure tone audiometry (PTA) and auditory brainstem response (ABR). These results were analysed against several parameters, which included age, gender, race, types of cleft pathology, impact and timing of repair surgery.
RESULTS: The patients' age ranged from 1-26 years old. They comprised 30% with unilateral cleft lip and palate (UCLP), 28% with bilateral cleft lip and palate (BCLP), 28% with isolated cleft palate (ICP) and 14% with isolated cleft lip (ICL). Majority of the patients (68.2%) had normal otoscopic findings. Out of the 346 ears, 241 ears (70%) ears had passed the hearing tests. There was no significant relationship between patients' gender and ethnicity with their hearing status. The types of cleft pathology significantly influenced the outcome of PTA and ABR screening results (p

Matched MeSH terms: Otoacoustic Emissions, Spontaneous