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Dr Leong Siaw May

  • Senior Consultant, Department of Anaesthesia, National University Hospital
  • Assistant Professor, Yong Loo Lin School of Medicine, National University of Singapore
MBBS (Singapore), MMed Anaesthesiology
Anaesthesiology (Anaesthesia)
Pain Management, Perioperative Medicine, Regional Anaesthesia
Special Interests:
Regional Anaesthesia, Airway Management, Perioperative Medicine, Acute Pain Management, Medical Education and Simulation


Dr Leong Siaw May graduated from the National University of Singapore, completed her Specialist Training in Anaesthesiology and received specialist accreditation from the Singapore Medical Council in 2013.

Subsequently, she completed subspecialty fellowship with the University Health Network in Toronto, Canada in Perioperative Medicine which included significant training in ambulatory anaesthesia, airway management and regional anaesthesia with acute pain management. She has conducted regional anaesthesia workshops in the departmental as well as national level with the Singapore Society of Anaesthesiologists.

An advocate for enhanced recovery after surgery, Dr Leong leads the development of anaesthesia guidelines for the department for patients who are on the ERAS pathway. She is also involved in the Masters examination process in Anaesthesiology in Singapore in addition to teaching medical undergraduates and postgraduate trainees in anaesthesia. She is a Physician Faculty in the NUHS Anaesthesiology Residency Programme.  

Dr Leong has keen interests in medical humanitarian work and has participated actively in various outreach trips to developing nations.

Journals & Publications

  1. ​Wong DT, Mehta A, Singh KP, Leong SM, et al The effect of virtual reality bronchoscopy simulator training on performance of bronchoscopic-guided intubation in patients: A randomised controlled trial. Eur J Anaesthesiol. 2019 Mar;36(3):227-233
  2. Leong SM, Tiwari A, Chung F, Wong DT. Obstructive sleep apnea as a risk factor associated with difficult airway management – a narrative review. Journal of Clinical Anesthesia 2017 Dec 29;45:63-68
  3. Wong DT, Yee AJ, Leong SM, Chung F. The effectiveness of apneic oxygenation during tracheal intubation in various clinical settings: a narrative review. Canadian Journal of Anesthesia/Journal canadien d'anesthésie 2017;64(4):416-427
  4. Liew L, Teo W, Tan B, Leong S, Tan A. Ease of Intubation with the McGRATH® MAC, C-MAC® or Macintosh Laryngoscopes by Novice Operators in Simulated Difficult Airways – A Manikin Study. British Journal of Medicine and Medical Research 2016;16(8):1-6


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