Hearing management

Updated 06 December 2017

CF treatment may cause hearing loss

A common antibacterial treatment for cystic fibrosis can cause sensorineural hearing loss, finds a new study.

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A common antibacterial treatment for cystic fibrosis can cause sensorineural hearing loss, finds a new study.

Researchers reviewed the medical records of 50 cystic fibrosis patients treated over a 13-year period at Children's Hospital Boston and found that seven (14 percent) of them suffered from sensorineural hearing loss. Of those seven patients, 43 percent had received more than 10 courses of aminoglycosides intravenously.

Patients who underwent more than five treatments with nasal irrigation of aminoglycosides were also at risk for sensorineural hearing loss, the study found.

Pulmonary and sinonasal infections are common in cystic fibrosis patients. Because of their potency against bacteria, aminoglycosides are often given to cystic fibrosis patients, even though the treatments are known to cause side effects such as hair cell loss, which leads to hearing loss, according to information in a news release from the American Academy of Otolaryngology -- Head and Neck Surgery.

Cystic fibrosis patients should have regular hearing tests that specifically assess sensorineural hearing loss, especially when patients have undergone repeated courses of systemic or intranasal aminoglycoside treatments, the researchers concluded.

The study appears in the July issue of the journal Otolaryngology--Head and Neck Surgery. (HealthDay News, July 2009)

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Dr Kara Hoffman graduated from UCT in 2004, thereafter she completed her year of community service in Durban. In 2010 she completed her Masters Degree in Paediatric Aural Rehabilitation from UKZN. In 2016, she became a Doctor of Audiology through the University of Arizona (ATSU). Dr Hoffman and her partner Lauren Thompson opened a fully diagnostic audiology practice called Thompson & Hoffman Audiology Inc. In 2011 with world-class technology and equipment to be able to offer the broad public all hearing-related services including hearing testing for adults and babies, vestibular (balance) assessments and rehabilitation, industrial audiology, hearing devices, central auditory processing assessments for school-aged children, school screening, neonatal hearing screening programmes at Alberlito and Parklands Hospital, cochlear implants and other implantable devices, medicolegal assessments and advanced electroacoustic assessments of hearing. Thompson and Hoffman Audiology Inc. are based at Alberlito Hospital in Ballito, St Augustines Hospital in Durban and at 345 Essenwood Road, Musgrave. The practices are all wheelchair friendly. There are three audiologists that practice from Thompson & Hoffman – including Dr Kara Hoffman, Lauren Thompson & Minette Lister. The practice boasts professional, highly qualified, and extensive diagnostic services where all your hearing healthcare needs can be met. The additional licensing in vestibular assessment and rehabilitation, paediatric rehabilitation and cochlear implantation places this practice in one of the top specialist audiological positions in South Africa, with a wealth of experience in all clinical areas of audiology and is a very well respected and sought-after practice.

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