Snoring & Obstructive Sleep Apnea (OSA)

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Snoring, often dismissed as a harmless nuisance, can be indicative of underlying health issues. This loud, harsh sound is produced when the tissues in our throats vibrate due to an obstruction in airflow in our upper aerodigestive tract. While occasional snoring is common, persistent snoring may signal a serious health condition – Obstructive Sleep Apnea (OSA).


Obstructive Sleep Apnea, a condition where the airway becomes partially or completely blocked, can lead to pauses in breathing. They can last for seconds to minutes and may occur multiple times throughout the night, disturbing normal sleep patterns and chronically reducing oxygen levels in the blood.


This disruption can lead to hypoxia, bringing about other medical complications, including cardiovascular disease, diabetes, headache, fatigue, sexual dysfunction, depression, and memory loss, among others.


Patients who snore should get themselves checked at Aglow ENT Centre to pinpoint the areas of soft tissue narrowing and blockage. Polysomnography (PSG), commonly referred to as a Sleep Study, will also be conducted to assess the existence and severity of Obstructive Sleep Apnea (OSA).


Treatment options for snoring and OSA can be broadly categorised into medical and surgical interventions. These treatments include nasal sprays, dental splints, Continuous Positive Airway Pressure (CPAP) devices, and various surgical procedures such as septoplasty, turbinoplasty, adenoidectomy, tonsillectomy, and uvulopalatopharyngoplasty.


Given the unique nature of each patient’s condition, a personalised treatment plan is essential. Once the diagnosis and severity of the condition are determined, a tailored treatment plan will be prescribed to address the individual’s specific needs and conditions.

Clinical Practice and Expertise

Please consult an ENT specialist if you are suffering from any ear, nose, or throat symptoms. It is also advisable to visit an ENT doctor if you experience persistent mouth breathing due to a chronic blocked nose or encounter snoring issues.

Dr Ker Liang sees adults and children for general ENT conditions and provides comprehensive management in a broad range of Ear, Nose, and Throat, as well as Head and Neck conditions. In particular, she specialises in treating throat and voice conditions, including persistent sore throat, voice issues, snoring, and Obstructive Sleep Apnoea (OSA).

Medical Teaching

Assistant Professor Ker Liang has a passion for teaching and is an Assistant Professor with NUS Yong Loo Lin School of Medicine (YLLSOM). As the NUS-NUH Otolaryngology Department Undergraduate Medical Director, Dr Ker Liang supervises the training of medical students from YLLSOM, NUS. She is actively involved
in the training of postgraduate junior doctors and residents in the Head and Neck Surgery department. She was conferred with an Undergraduate Teaching Award by the National University Health System in 2016 for her outstanding efforts as an Otolaryngology educator.

Medical Teaching

Assistant Professor Ker Liang has a passion for teaching and is an Assistant Professor with NUS Yong Loo Lin School of Medicine (YLLSOM). As the NUS-NUH Otolaryngology Department Undergraduate Medical Director, Dr Ker Liang supervises the training of medical students from YLLSOM, NUS. She is actively involved
in the training of postgraduate junior doctors and residents in the Head and Neck Surgery department. She was conferred with an Undergraduate Teaching Award by the National University Health System in 2016 for her outstanding efforts as an Otolaryngology educator.

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Dr Ker Liang
ENT Surgeon

MBBS (S’pore), MRCS (Edin),
MMed (ORL), ACGME-I (ORL)

Specialising in the diagnosis and treatment of a wide range of conditions affecting the

ENT system, our doctor brings expertise, compassion, and a personalised approach to

every patient interaction. From common concerns such as allergies and sinus issues to

more complex conditions like hearing loss and throat disorders, our ENT specialist is

equipped to address your unique health needs with skill. 

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