Skip Ribbon Commands
Skip to main content
Clin Assoc Prof Chua Yeow Leng

Clin Assoc Prof Chua Yeow Leng

​MBBS, FRCSGlasg (Gen.Surg), MMed (Gen Surg), FRCSEd (Gen Surg)

Senior Consultant

National Heart Centre Singapore

Specialty: Cardiothoracic Surgery

Clinical Interest: Cardiac Surgery (Adult), Robotic Surgery, Thoracic and Vascular Surgery

Clinical Appointments

  • Senior Consultant Department of Cardiothoracic Surgery National Heart Centre SingaporeNational Heart Centre Singapore


Clinical Associate Professor Chua Yeow Leng is a Senior Consultant with the Department of Cardiothoracic Surgery at the National Heart Centre Singapore. He also holds the appointment of Group Director, International Collaboration Office, SingHealth.

Clin Assoc Prof Chua has been appointed Clinical Associate Professor, Department of Anatomy by Yong Loo Lin School of Medicine, National University of Singapore on 01 August 2012.

In addition, he is a part-time academic staff with the Faculty of Medicine at National University of Singapore and Nanyang Polytechnic, Singapore.

His sub-specialty interest is in cardiac surgery (adult), thoracic & vascular surgery and robotic assist surgery. He has extensive experience in valve surgeries.


  • FRCSEd (Gen Surg)
  • MMed (Gen Surg) 1987
  • ​FRCSGlasg (Gen.Surg)
  • MBBS 1982

Professional Appointments and Committee Memberships

  • Senior Consultant, Department of Cardiothoracic Surgery, National Heart Centre Singapore
  • Head of Department of Cardiothoracic Surgery, National Heart Centre Singapore, 1999 to June 2007
  • Academy of Asia Heart Valve Disease (AAHVD), Treasurer, 2017 to Present
  • ASEAN College of Cardiology, Fellow, Dec 2010
  • Paediatric Cardiothoracic Surgery at the Children’s Hospital, Boston, USA, 1996.
  • Fellow of the Academy of Medicine Singapore, 1995 to Present
  • Fellowship in Cardiovascular Surgery at the Mayo Clinic, Rochester Minnesota, USA, 1992
  • Society Cardiac Society, Member, 1990 to Present
  • Fellow of the Royal College of Surgeons, Edinburgh, UK, 1987 to Present
  • Fellow of the Royal College of Surgeons, Glasgow, UK, from 1987 to Present


  • SingHealth Golden Anchor Award, 26 March 2021
  • Long Service Award for 30 years, 2021
  • National Day Award 2019, Public Administration Medal (Bronze)
  • National Outstanding Clinician Award 2019, Medical Excellence Awards (NMEA)
  • Singapore Health Quality Service Award (Gold), 2019
  • Singapore Health Quality Service Award (Silver), 2017-2018
  • Distinguished Senior Clinician 2017​
  • Academic Mentor Development Fellowship (AMDF), FY2016-2017 AM-ETHOS
  • Singapore Health Quality Service Award (Star), 2014
  • National Day Award 2013 – Long Service Medal (completion of 25 years of public service)
  • National Heart Centre Singapore:  Long Service Award 
    • Medallion in appreciation of 30 years of service presented on 22 February 2013.
    • Medallion in appreciation of 20 years of service presented on 14 March 2003.
  • National Heart Centre Singapore: NHCS Service Quality Award
    • Gold, 2006
    • Silver, January to March 2006
    • Bronze, July to Septemner 2004
    • Bronze, December 2003
    • Bronze, 29 August 2002
  • Healthcare Humanity Award 2012
  • Singapore Health Quality Service Award (Gold), 2012
  • National Heart Centre Singapore Outstanding Teacher Award, 2011
  • SingHealth Excellence Awards 2010, Outstanding Clinician
  • Excellent Service Award October 2008, Silver Award
  • SingHealth GCEO Excellence Award April 2008, Clinical Service

Research Interests


  • Introduction: Cardiac myxoma is the most common cardiac tumour. In this study, we summarise our 17-year experience on the clinical presentation of cardiac myxoma at National Heart Centre Singapore, Singapore.
    Phong Teck Lee1, MD, Rilong Hong1, MD, Philip YK Pang2, MD, Yeow Leng Chua2, MD, Zee Pin Ding1, MD
    SMJ Singapore Medical Journal. Singapore Med J 2020, 1–10. Published ahead of print: 31 March 2020
    Online version can be found at
  • Six-minute walk distance after coronary artery bypass grafting compared with medical therapy in ischaemic cardiomyopathy. Ralph A H Stewart,1 Dominika Szalewska,2 Amanda Stebbins,3,4Hussein R Al-Khalidi,3,4 John G H Cleland,5 Andrzej Rynkiewicz,6 Mark H Drazner,7Harvey D White,1 Daniel B Mark,3,4 Ambuj Roy,8 Dragana Kosevic,9Miroslaw Rajda,10 Marek Jasinski,11 Chua Yeow Leng,12 Wiwun Tungsubutra,13Patrice Desvigne-Nickens,14 Eric J Velazquez,3,4 Mark C Petrie,15 on behalf of the STICH Trial Investigators. Open Heart 2018;5:e000752.  doi:10.1136/openhrt-2017-000752.  Accepted 18 January 2018
  • Impact of Intubation Time on Survival following Coronary Artery Bypass Grafting:Insights from the Surgical Treatment for Ischemic Heart Failure (STICH) Trial. Nadia Bouabdallaoui,MDn,1, SusannaR.Stevens,MS, Torsten Doenst,MD, KrzysztofWrobel,MD§, Denis Bouchard,MD,PhD, MarekA.Deja,MD, Robert E.Michler,MD, Yeow Leng Chua, MDnn, Renato A.K.Kalil,MD,PhD, CraigH.Selzman,MD, Richard C.Daly,MD, BenjaminSun,MD, Ljubomir T.Djokovic,MD, GeorgeSopko,MD, Eric J.Velazquez, MD, JeanL.Rouleau,MDn, Kerry L.Lee,PhDnnn, HusseinR.Al-Khalidi,PhDnnn, for the STICH Trial Investigators. J Cardiothorac Vasc Anesth. 2018 Jun;32(3):1256-1263. doi: 10.1053/j.jvca.2017.12.038. Epub 2017 Dec 23.
    Journal of Cardiothoracic and Vascular Anesthesia — Bouabdallaoui N, et al. | February 08, 2018.
  • Comparison of the Haemodynamic Parameters of Venous and Arterial Coronary Artery Bypass Conduits. Soon Jia Lin, Kenny Sin, Victor Chao, Tan Teing Ee, Mathew Jose Chakaramakkil, Chua Yeow Leng, Kang Ning
    Published in Annals of Academy Medicine Singapore, August 2016, Vol 45 No 8.
    Chordal Reconstruction versus Leaflet Resection for Repair of Degenerative Posterior Mitral Leaflet Prolapse.
  • Yeow Leng Chua, Philip YK Pang, Yen Ping Yap, Zakir Hussain Abdul Salam, Yang Tian Chen
    doi: 10.5761/atcs.oa. 15-00322.  Annals of Thoracic & Cardiovascular Surgery.
  • Influence of Baseline Characteristics, Operative Conduct, and Postoperative Course on 30-Day Outcomes of Coronary Artery Bypass Grafting Among Patients With Left Ventricular Dysfunction esults From the Surgical Treatment for Ischemic Heart Failure (STICH) Trial. Krzysztof Wrobel, MD, PhD; Susanna R. Stevens, MS; Robert H. Jones, MD; Craig H. Selzman, MD; Andre Lamy, MD, MHSc; Thomas M. Beaver, MD; Ljubomir T. Djokovic, MD; Nan Wang, MD; Eric J. Velazquez, MD; George Sopko, MD, MPH; Irving L. Kron, MD; J. Michael DiMaio, MD; Robert E. Michler, MD; Kerry L. Lee, PhD;  Michael Yii, MS, MB; Chua Yeow Leng, MBBS; Marian Zembala, MD, PhD; Jean L. Rouleau, MD; Richard C. Daly, MD; Hussein R. Al-Khalidi, PhD. (Circulation. 2015;132:720-730. DOI: 10.1161/CIRCULATIONAHA.114.014932.)

Research Trials

  • Asian neTwork for Translational Research and Cardiovascular Trials ("ATTRaCT"): Theme C (Biomarkers and Immunology).
    PI: Kenny YK Sin
    Co-I: Tan Teing Ee, Chua Yeow Leng, Chao Tar Toong Victor, Soon Jia Lin, Chakaramakkil Mattew Jose, Lim See Lim, Chua Kim Chai, Naik Madhava Janardhan, Pang Yi Kit Philip
    Approval period from 10 Nov 2017 to 24 Oct 2018
  • AF-Atrial Myocytes Study (IRB Ref #2010/130/C: 12-4-2010 to 23-3-2011).
    AF-Echo Study (IRB Ref # 2010/131/C: 5-4-2010 to 23-3-2011).
    Co Principal Investigator: Chua Yeow Leng
  • NHCS – Percutaneous Mitral Valve Repair with Mitraclip Device. Grant period: 01 Jul 2010 to 30 Jun 2011.
    Interventional Cardiology: Yeo Khung Keong & Cardiac Surgery: Chua Yeow Leng
  • Retrospective study on the effect of angiotensin converting enzyme inhibitors and angiotensin receptor blockers on the incidence of atrial fibrillation post-coronary artery bypass graft surgery - 2011
    Principal Investigators: Ong Boon Hean, Chua Yeow Leng & Reginald KC Liew
  • Medical therapy alone compared to percutaneous mitral valve repair for severe functional mitral regurgitation and congestive heart failure.
    Principal Investigators: Yeo Khung Keong
    Co Investigators: Koh TH, Chua Yeow Leng, Ding ZP, Lim ST, Sin YK, P Ting, D Sim, Wee HL
    Collaborator: Eric Finkelstein, Health Services Research, Duke-NUS
  • Is there a correlation between biological markers of Brain injury with Neuropsychological tests and MRI changes in patients undergoing cardiac surgery? – As a Principal Investigator.
    Lim Chong Hee, Eugene Sim, Michael Chee, Ti Lian Kah, Chua Yeow Leng
  • Atrial Fibrillation and Radiofrequency MAZE
    Principal Investigator: Chua Yeow Leng
    Co-Investigator: Lim Yeong Phang
  • Multicenter study by NUHS 2010 – Main PI A/Prof Ling Lieng Hsi.
    Biomarkers & management of cardiovascular disease: Biomarker evaluation in arotic stenosis.
    Biomarkers & management of cardiovascular disease: Biomarker evaluation in mitral regurgitation.
    Biomarkers & management of cardiovascular disease: Proteomics discovery of biomarker for mitral valve prolapse and biobanking DNA for genetic studies in mitral valve prolapse.