Otitis media is an umbrella term encompassing all types of inflammation and infection of the middle ear, which is the air-filled, membrane-lined cavity located behind the eardrum (CRE_ICHEAR 2016; Children’s Health Queensland 2019; Healthline 2018).
People of all ages can be affected by otitis media, but it is most common among young children, especially those between 6 and 18 months of age. It is estimated that about 75% of children will have experienced at least one episode of otitis media by the time they start school (Healthdirect 2020; RCHM 2020).
In most cases, otitis media arises from a viral or bacterial infection that initially presents as a cold. The infection may then spread to the middle ear through the eustachian tube, causing swelling and a build-up of fluid. As this places pressure on the eardrum, there is a risk that the eardrum will perforate (burst) (Healthdirect 2020).
Children who are at increased risk of otitis media include:
(PCH 2021; Children’s Health Queensland 2019)
Generally, initial symptoms will be those of a cold, including a sore throat, runny nose and fever. When the infection spreads to the ear, symptoms may include:
(Healthdirect 2020; Children’s Health Queensland 2019)
The main presentations of otitis media are:
Acute otitis media (AOM) is a painful infection of the middle ear, often with a sudden onset. It may be accompanied by fever, fluid in the middle ear, irritability and a red eardrum bulging with pus (ACSQHC 2021a; SCHN 2020).
AOM is one of the most common causes of severe pain in children, with almost every person experiencing at least one episode during their childhood (ACSQHC 2021a; PCA 2021).
Otitis media with effusion (OME), which is also known as glue ear, is characterised by a build-up of fluid in the middle ear (ACSQHC 2021a; SCHN 2020).
OME is not an acute infection. It often occurs when fluid accumulates in the middle ear and eustachian tube following a cold or episode of AOM. Generally, the only symptom of OME is hearing impairment due to the fluid obstruction (SCHN 2020). The condition is not painful but may cause annoyance. As the signs of OME are subtle, it is easy to overlook (ACSQHC 2021a).
Most episodes of OME will resolve on their own within three months. However, 25% of children will experience ongoing OME, and consequently, persistent hearing interference. This may lead to difficulties with language, education and behaviour (ACSQHC 2021a).
A child with OME may display the following behaviours:
(SCHN 2020)
Chronic suppurative otitis media (CSOM), also known as runny ear, describes chronic (for two and six weeks) drainage of ear discharge through a perforation (hole) in the eardrum (i.e. tympanic membrane) (ACSQHC 2021a; Rosario & Mendez 2021).
CSOM may arise as a complication of AOM if the pressure caused by swelling and fluid perforates the eardrum (Healthdirect 2020). Other potential causes include eustachian tube obstruction, ear injuries and blast injuries (Miyamoto 2020).
Discharge will drain profusely and may be white, yellow or green. In most cases, it is not painful or accompanied by inflammation, but may have a foul smell. CSOM that has persisted for a long time is likely to contain multi-resistant pathogens. It is a difficult condition to treat (PCH 2021; Miyamoto 2020).
CSOM is the most disabling type of otitis media and is difficult to treat. Drainage may continue for years and may even lead to permanent hearing loss (ACSQHC 2021a; PCH 2021).
Treatment of otitis media generally involves symptom management using analgesics. Bacterial infections may be treated with antibiotics (Children’s Health Queensland 2019).
In most cases, otitis media will resolve on its own (ACSQHC 2021a).
Otitis media is a significant issue affecting Aboriginal and Torres Strait Islander children, who have the highest rate of middle ear disease in the world. They are also more likely to experience earlier, more severe and longer-lasting middle ear disease than non-Aboriginal and Torres Strait Islander children (ACSQHC 2021a).
In fact, a report published in the Medical Journal of Australia in 2021 found that in remote Northern Territory communities, only 1 in 10 Aboriginal children under the age of three have healthy ears, while 5 in 10 have OME and 4 in 10 have CSOM (Leach et al. 2021).
The rate, frequency and severity of otitis media in Aboriginal and Torres Strait Islander children is comparable to that of children living in developing countries (DeLacy, Dune & Macdonald 2020).
Aboriginal and Torres Strait Islander children who experience hearing loss within their first 1,000 days of life are at risk of delayed speech and language development, which may lead to issues that carry into adulthood (ACSQHC 2021a; NSW Health 2018). These include:
(ACSQHC 2021a; Leach et al. 2021)
The prevalence of otitis media in Aboriginal and Torres Strait Islander communities is associated with social determinants of health and environmental factors, including:
(DeLacy, Dune & Macdonald 2020; NSW Health 2018; Whalan 2019)
Myringotomy is a surgical procedure used to treat otitis media wherein a small incision is made in the eardrum in order to drain discharge from the middle ear. Grommets (tympanostomy tubes) are often inserted to ensure the incision stays open, facilitating ventilation and drainage (ACSQHC 2021a).
While myringotomy is generally not a first-line treatment for AOM or OME, it may be beneficial in some situations. Clinical practice guidelines recommend myringotomy for children who have been experiencing OME in both ears for longer than three months and have documented hearing loss. The more severe the hearing loss, the more likely myringotomy is to be beneficial to the child (ACSQHC 2021a).
Furthermore, myringotomy is potentially effective in reducing recurrent ASOM episodes, however, more evidence is needed. Clinical practice guidelines in the United States recommend the procedure for children who have experienced:
(ACSQHC 2021a)
Generally, grommets should only be inserted if OME is also present. Whether grommets are more effective than antibiotics in reducing recurrent AOM is still uncertain (ACSQHC 2021).
(ACSQHC 2021a)
Myringotomy with grommet insertion is one of the most common paediatric surgical procedures in Australia, especially for those aged between 0 and 4 years of age (ACSQHC 2021a).
Despite this, according to the Fourth Australian Atlas of Healthcare Variation, Aboriginal and Torres Strait Islander children receive less myringotomy than what is expected based on the prevalence of otitis media in Aboriginal and Torres Strait Islander communities (ACSQHC 2021b).
This suggests that:
(ACSQHC 2021b)
According to the Atlas, a ‘comprehensive community approach’ is required in order to improve the prevention, diagnosis and treatment of otitis media in Aboriginal and Torres Strait Islander children (ACSQHC 2021b).
One important consideration is Aboriginal and Torres Strait Islander communities’ holistic approach towards health, which includes ‘body, mind, spirit, land, environment, custom, socioeconomic status, family and community’ and differs from the ‘mainstream’ approach (DeLacy, Dune & Macdonald 2020).
Strategies that may help to reduce the prevalence of otitis media in Aboriginal and Torres Strait Islander communities include:
(NSW Health 2018; Liotta 2018)
Furthermore, strategies should be put into place to ensure that Aboriginal and Torres Strait Islander children who require myringotomy are able to receive it. These include:
(ACSQHC 2021b)
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