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How to test for sleep apnoea

Meet our Sleep Medicine Dr Elaine Ng.

Are you unsure how to test for sleep apnoea if you suspect you or your loved ones have it? With a passion in Sleep Medicine and a strong belief that everyone deserves a good night’s rest, Dr Elaine will gently walk you through the steps of assessment, diagnosis, and, ultimately, what needs to be done to get your sleep disorder under control. 

Testing for Obstructive Sleep ApnOea (OSA) typically involves the following steps:

Evaluation of Symptoms:

Dr Elaine Ng will thoroughly assess the patient’s medical history and symptoms related to sleep apnoea, such as snoring, daytime sleepiness, fatigue, morning headaches, and witnessed apnoeas or gasping during sleep. 

Subjective Sleep Tests:

These scientific tests are calibrated to test for sleep apnoea and assess your risk of OSA by assessing daytime sleepiness, cognitive function, and cardiovascular health. These tests results will be collated by and interpreted by Dr Elaine Ng.

STOPBANG
BERLIN QUESTIONNAIRE
EPWORTH SLEEPINESS SCALE

Physical Examination:

A physical examination may be performed to assess the patient’s upper airway, including the nose, mouth, throat, and neck, for any anatomical abnormalities or signs of obstruction. Patients with a short lower jaw are at greater risk of Obstructive Sleep Apnoea due to small confines of the lower jaw. 

Sleep Study (Polysomnography):

The gold standard to test for sleep apnoea is a sleep study, also known as polysomnography (PSG) . This test is typically conducted in a sleep clinic or sleep laboratory in a hospital.  During polysomnography, various parameters are monitored overnight while the patient sleeps, including airflow, breathing effort, oxygen levels, heart rate, and sleep stages. Abnormalities in these parameters can indicate the presence and severity of sleep aponea. Patients are observed and recorded throughout their sleep. 

The flaws or limitations of PSG include:

  • High cost
  • Uncomfortable for the patient to sleep with many cables attached to the body
  • Difficult for restful sleep in a new, unfamiliar hospital setting.
  • ‘First-night’ effect
  • Anxiety of being monitored or recorded.

Home Sleep Apnoea Testing:

A simplified version of polysomnography,is the home sleep apnoea testing (HSAT), which has shown high levels of accuracy. HSAT involves wearing a portable monitoring device at home while sleeping. Although HSAT is less comprehensive than polysomnography, it can be a convenient and cost-effective option for diagnosing uncomplicated cases of obstructive sleep apnoea.

Consultation with Specialists:

Depending on the results of diagnostic tests and the patient’s individual needs, consultation with specialists such as sleep medicine physicians, otolaryngologists (ear, nose, and throat specialists), or dentists specializing in sleep dentistry may be recommended to determine the most appropriate treatment approach for managing sleep apnoea. Dr Elaine Ng has a wide network of clinicians and allied health team to support your recovery from sleep disorders.

Make an appointment with our Sleep Medicine Dentist, Dr Elaine Ng to start your journey towards a better night’s rest.

Related topics

What is Sleep Apnoea

What is Sleep Apnoea

Sleep Apnoea or Obstructive Sleep Apnoea, is part of a range of sleep-disorder that affects breathing. Sleep apnoea occurs when air flow through the upper airway reduces during sleep. This leads to a reduction in oxygen entering the bloodstream and patients start to suffocate. The brain goes into ‘panic mode and sends strong emergency signals to the heart, lungs, and muscles to wake the person up gasping for air.
How an Orthodontist Can Help Me Sleep Better?

How an Orthodontist Can Help Me Sleep Better?

If you suspect your partner suffers from obstructive sleep apnoea (OSA), let us help YOU sleep better! Your partner’s sleep should not come at your expense of yours. Sleep apnoea is a multi-factorial problem and MyBracesClinic works with trained Sleep Medicine Clinicians and specialists (ENT, Paediatric Doctors and Oral Surgeons) to ensure proper diagnosis and management.

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