Department of Surgery, CUHK

Professor LAU Yun Wong James    

Yao Ling Sun Professor of Surgery
B. Med Sc, MBBS, FRCS (Edin, Glasgow) FHKCS, MD

Vascular Surgery
(852) 3505 1411
laujywadd this for spam@add this for


Dr Lau graduated from the Medical School to the University of New South Wales in 1987. In the 1990s, Dr Lau was trained in upper gastrointestinal and therapeutic endoscopy. He received further training in vascular surgery in Edinburgh in 2000. Dr Lau currently leads the vascular surgical service at the Chinese University of Hong Kong. His current practice includes endoscopy with a focus on difficult ERCP, abdominal sarcoma surgery, open and endovascular surgery for vascular diseases.

Dr Lau has diverse research interests. He is internationally renowned for his clinical research in the management of patients with acute upper gastrointestinal bleeding and in therapeutic endoscopy specifically in biliary endoscopy and hemostatic techniques. In addition, he is interested in novel GI imaging techniques, epidemiology of ruptured abdominal aortic aneurysms.

Dr Lau became Professor to Surgery in 2008 and in addition received an endowed Professorship following a generous donation from late Mr. Yao Ling Sun. Dr. Lau received two National Awards and a Croucher Senior Medical Fellowship for his excellence in clinical research.

Research Interests

  • Novel endoscopic hemostatic methods
  • Advanced biliary endoscopy
  • Magnetic navigational capsule endoscopy
  • Molecular heterogeneity of soft tissue sarcomas and their surgical treatment
  • Epidemiology of abdominal aortic aneurysms in Chinese

Additional Information

  • Chief of Vascular Surgery, Department of Surgery, CUHK (since Jan 2001)
  • Member, Management Committee, Institute of Digestive Disease, CUHK (Jan 2006 – Jul 2020)
  • Treasurer, Hong Kong Society of Digestive Endoscopy (2018 – 2020)
  • Director, Endoscopy Centre, Prince of Wales Hospital (Sep 2003 – Oct 2018)
  • Secretary General, The Asian-Pacific Society for Digestive Endoscopy (2008 – 2014)
  • President, Hong Kong Society of Digestive Endoscopy (Dec 2008 – Dec 2010)
  • Council Member, The College of Surgeons of Hong Kong (2008 – 2010)
  • Member, Editorial Board, World Journal of Gastroenterology (1987 – 1988, 2007 – 2009)

Selected Publications

  1. Lau JY, Pittayanon R, Kwek A, Tang RS, Chan H, Rerknimitr R, Lee J, et al. Comparison of a hemostatic powder and standard treatment in the control of active bleeding from upper nonvariceal lesions: a multicenter, noninferiority, randomized trial. Ann Intern Med. 2022;175(2):171- 178.
  2. Lau JY, Yu YY, Tang RSY, Chan HCH, Yip HC, Chan S, et al. Timing of endoscopy for acute upper gastrointestinal endoscopy. N Engl J Med. 2020;382(14):1299-1308.
  3. Lau JY, Pittayanon R, Wong KT, Pinjaroen N, Chiu PWY, Rerknimitr R, et al. Prophylactic angiographic embolisation after endoscopic control of bleeding to high-risk peptic ulcers: a randomised controlled trial. Gut 2019;68(5):796-803.
  4. Lau JY, Barkun A, Fan DM, Kuipers EJ, Yang YS, Chan FKL. Challenges in the management of acute peptic ulcer bleeding. Lancet 2013;381(9882):2033-43.
  5. Lau JY, Leung WK, Wu JC, Chan FK, Wong VW, Chiu PW, et al. Omeprazole before endoscopy in patients with gastrointestinal bleeding. N Engl J Med. 2007 Apr 19;356(16):1631-40.
  6. Lau JY, Leow CK, Fung TM, Suen BY, Yu LM, Lai PB, et al. Cholecystectomy or gallbladder in situ after endoscopic sphincterotomy and bile duct stone removal in Chinese patients. Gastroenterology 2006 Jan;130(1):96-103.
  7. Lau JY, Sung JJ, Lee KK, Yung MY, Wong SK, Wu JC, et al. Effect of intravenous omeprazole on recurrent bleeding after endoscopic treatment of bleeding peptic ulcers. N Engl J Med. 2000 Aug 3;343(5):310-6.
  8. Lau JY, Sung JJ, Lam YH, Chan AC, Ng EK, Lee DW, et al. Endoscopic retreatment compared with surgery in patients with recurrent bleeding after initial endoscopic control of bleeding ulcers. N Engl J Med. 1999 Mar 11;340(10):751-6.
  9. Lau JY, Sung JJ, Chan AC, Lai GW, Lau JT, Ng EK, Chung SC, Li AK. Stigmata of hemorrhage in bleeding peptic ulcers: an interobserver agreement study among international experts. Gastrointest Endosc. 1997 Jul;46(1):33-6.
  10. Lau JY, Ip SM, Chung SCS, Leung JWC, Ling TKW, Yung MY, et al. Endoscopic drainage aborts endotoxaemia in acute cholangitis. Brit J Surg. 1996;83(2):181-184.

Copyright © 2024. All Rights Reserved. Department of Surgery, The Chinese University of Hong KongCUHK

C O N T A C T   U S