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Adj Asst Prof Adrian Chiow Kah Heng

Adj Asst Prof Adrian Chiow Kah Heng from Changi General Hospital

Adj Asst Prof Adrian Chiow Kah Heng

MBBS (Melb), M.Med (Surg) ,FAMS, FRCS (Ed)

Senior Consultant

Specialty: Hepato-Pancreato-Biliary, General Surgery

Sub-specialties: Hepato-Pancreato-Biliary, Minimally Invasive Surgery

Clinical Appointments

  • Senior Consultant Surgery Changi General HospitalChangi General Hospital
  • Senior Consultant Hepato-Pancreato-Biliary Surgery Changi General HospitalChangi General Hospital


Dr. Adrian Chiow is a senior consultant hepatobiliary and pancreatic (HPB) surgeon with the Department of Surgery, Changi General Hospital (CGH). Dr. Chiow’s sub-speciality interest is in minimally invasive (laparoscopic and robotic) HPB.

He graduated with MBBS from the University of Melbourne (Australia) with Honours in 2003 and completed training in general surgery at SingHealth and Eastern Health Alliance with Specialist Accreditation Board certification in 2012. He subsequently commenced his specialist HPB training in CGH before undergoing further sub-specialty clinical training under the Human Manpower Development Programme (HMDP) award in 2013 for advanced and minimally invasive (laparoscopic/robotic) HPB Surgery at the Royal Brisbane Hospital, Brisbane, Australia. Since returning from fellowship, he started the advanced laparoscopic HPB service in 2014 and the Robotic HPB program in 2016 in CGH.

He is actively involved in undergraduate teaching as senior clinical lecturer and MBBS Examiner with the Yong Loo Lin School of Medicine, National University of Singapore as well as adjunct assistant professor for Lee Kong Chian and Yong Loo Lin School of Medicine. He serves a concurrent role as associate programme director for the Singhealth General Surgery Residency Program.

Dr. Chiow’s research interests are in improving clinical outcomes and quality of life for patients undergoing minimally invasive HPB surgery.


  • FRCSEd (Gen Surg)
  • FAMS
  • M.Med (Surg)
  • MBBS (Melb)

Professional Appointments and Committee Memberships

  • Adjunct Assistant Professor - Lee Kong Chian School of Medicine, Singapore
  • Adjunct Assistant Professor - NUS Yong Loo Lin School of Medicine, Singapore
  • Associate Program Director - SingHealth General Surgery Residency Program
  • Clinical Assistant Professor - Duke-NUS
  • Clinical Senior Lecturer - NUS Yong Loo Lin School of Medicine
  • Clinical Supervisor - Department of Surgery, Changi General Hospital
  • Committee member - Hepatopancreatobiliary Association (Singapore)
  • Examiner - MBBS, Yong Loo Lin School of Medicine, NUS
  • Fellow - Academy of Medicine, Singapore
  • Fellow - Royal College of Surgeons, Edinburgh
  • Founding member - Robotic Surgery Society of Singapore
  • Member - Asia-Pacific Hepatopancreatobiliary Association (Singapore)
  • Member - International Association of Surgeons, Gastroenterologist, Oncologist (IASGO)
  • Member - International Hepatopancreatobiliary Association (Singapore)
  • Physician Faculty - Transitional Year Program (General Surgery) SingHealth
  • Visiting Consultant - Department of Hepatopancreatobiliary (HPB) and Transplant Surgery, Singapore General Hospital


  • Deans Award for Teaching Excellence, National University of Singapore (NUS), Dec 2017
  • Certificate of Reviewing with Distinction – Singapore Medical Journal 2016
  • Best Educator Award for Medical – Outstanding Educator Award CGH, Nov 2016
  • Best Educator Award for Medical (Postgraduate) (Changi General Hospital), November 2015
  • Outstanding Faculty Award, RISE Award, Singhealth Residency 2015
  • HMDP Award - International laparoscopic HPB fellowship, Royal Brisbane Hospital, Queensland, Australia, 22nd Oct 2013-21st Oct 2014
  • 2013 Best Educator Award for Medical (Postgraduate) (Changi General Hospital), November 2013
  • Outstanding Faculty Award, RISE Award 2013, SingHealth Residency, 15 Aug 13
  • Best Teacher Award (Surgery), AY2012-13, Yong Loo Lin School of Medicine, NUS
  • Best Surgical Teacher Award (Undergraduate) [Changi General Hospital], December 2012
  • Deans Award for Teaching Excellence, National University of Singapore (NUS), August 2012
  • Best Clinical Teacher Award (NUS) (Changi General Hospital) Surgery August 2012
  • Singhealth Best Registrar Award 2011
  • Gold award – LEAN project for ‘Ensure Definitive & Continued Care of All Patients At Observation Ward’
  • Singapore Health Quality Service Award: Silver 2011.
  • Best poster: Clinical research 3rd prize. CGH Annual Scientific Meeting 2009
  • Singhealth Best Medical Officer Award 2007
  • Best House Officer, Singhealth 2005

Research Interests

  • Improving Clinical Outcomes in HPB Surgery


  1. Torsion of Gallbladder: A rare entity.
    Adrian Kah Heng Chiow, Salleh Ibrahim, Khoon-Hean Tay. Letter to Editor: Annals Academy of Medicine Singapore 2007 Aug; 36(8).
  2. Keloid formation after stapled haemorrhoidectomy causing anal stenosis: a rare complication.
    Chew Min Hoe, Adrian Chiow, Tang Choon Leong. Case report: Tech Coloproctology 2008 Dec; 12(4):35a1-2.
  3. Inguinal hernias: A current review of an old problem.
    Adrian Kah Heng Chiow, Chee Keong Chong, Su-Ming Tan. Review Article: Proceedings in Singapore Healthcare 2010; 19 (3): 202-11.
  4. Pancreatic fistulae post distal pancreatectomy: Risk factors and Management
    Chiow Adrian Kah Heng, Ibrahim Salleh, Tan Siong San, Feng Ying and Tan Su-Ming. Original Article: ANZ J Surg 2010 Sep;80(9):619-23.
  5. Rare cause of acute surgical abdomen with free intra-peritoneal air.
    Spontaneous perforated pyometra. A report of 2 cases. Siew Fung Lim, Song Liang Lee, Adrian Kah Heng Chiow, Chek Siang Foo, Andrew Siang Yih Wong, Su-Ming Tan. Case report: Am J Case Rep 2012; 13: 55-57.
  6. Clinical Study - Recurrent Pyogenic Cholangitis: Disease Characteristics and Patterns of Recurrence.
    Ye Xin Koh, Adrian Kah Heng Chiow, Aik Yong Chok, Lip Seng Lee, Siong San Tan and Salleh Ibrahim ISRN Surgery, vol. 2013, Article ID 536081, 9 pages, 2013.
  7. Eosinophilic cholangiopathy: The diagnostic dilemma of a recurrent biliary stricture.
    Should surgery be offered to all? Seow En Isaac, Chiow Adrian Kah Heng, Tan Siong San, Poh Wee Teng BMJ Case reports 2014 Jan 3;2014.
  8. Isolated tuberculosis of the pancreas mimicking a pancreatic tumor with concomitant choledocholithiasis.
    Ramesh Wijaya, Chee Hoe Koo, Adrian Kah Heng Chiow, Siong San Tan, Su-Ming Tan Int J Hepatobiliary Pancreat Dis 2014; 4:26–31.
  9. Laparoscopic approach to a planned two-stage hepatectomy for bilobar colorectal liver metastases.
    Daniel James Kilburn, Adrian Kah Heng Chiow, Joel Lewin, Nicholas Kienzle, David Joseph Cavallucci, Richard Bryant, Nicholas O’Rourke ANZ J Surg 2014 Jul 2. Doi: 10.1111/ans.12748 (Epub ahead of print).
  10. Intercostal and transthoracic trocars enable easier laparoscopic resection of dome liver lesions.
    Chiow AK, Lewin J, Manoharan B, Cavallucci D, Bryant R, O’Rourke N. HPB (Oxford) 2014 Sep 23. doi: 10.1111/hpb.12336 (Epub ahead of print).
  11. Retrograde intussusception post Roux-en-Y gastric bypass.
    Matthew Honore, Adrian Kah Heng Chiow, Richard Bryant. ANZ J Surg 2014. doi: 10.1111/ans.12947 (Epub ahead of print).
  12. Learning curve in laparoscopic liver surgery: a fellow’s perspective.
    Adrian Kah Heng Chiow, Ser Yee Lee, Chung Yip Chan, Siong San Tan. Hepatobiliary Surg Nutr 2015. doi: 10.3978/j.issn.2304-3881.2015.06.07.
  13. Long-term survival in laparoscopic vs open resection for colorectal liver metastases: inverse probability of treatment weighting using propensity scores.
    J Lewin, N O’Rourke, AKH Chiow, R Bryant, I Martin, L.K Nathanson, DJ Cavallucci.2016 Feb; 18(2):183-91.
  14. Metachronous cholangiocarcinoma 13 years post resection of choledochal cyst- is long term follow-up useful? A case study and review of the literature.
    Ng DW, Chiow AK, Poh WT. Tan SS. Surg Case Rep. 2016 Dec; 2(1): 60.
  15. Early Experience with Laparoscopic Frey Procedure for Chronic Pancreatitis: a Case Series and Review of Literature.
    Kilburn DJ, Chiow AK, Leung U, SIriwardhane M, Cavallucci DJ, Bryant R, O’Rourke NA. J Gastrointest Surg 2016 Dec 26. doi: 10.1007/s11605-016-3343-4. [Epub ahead of print]
  16. Laparoscopic caudate lobe resection: navigating the technical challenge.
    Ye Xin Koh, Ser Yee Lee, Adrian K.H. Chiow, Juinn Huar Kam, Brian K.P Goh, Chung Yip Chan. Ann Laparosc Endosc Surg 2017;2:39. doi: 10.21037/ales.2017.03.04.
  17. A Review of the Techniques, Current status and Learning Curves of Laparoscopic Bile Duct Exploration.
    Poh Benjamin Ruimin, Tan Siong San, Lee Lip Seng, Chiow Adrian Kah Heng. Journal of Digestive Cancer Reports 5(1):36-42, 2017.
  18. Surgical management decreases disease recurrence risk in recurrent pyogenic cholangitis.
    Tan HL, Koh YX, Lye WK, Lee SY, Goh BKP, Tan SS, Chiow AKH, Chan CY. ANZ J Surg. 2017 Dec 11.
  19. Robotic distal pancreatectomy – current status and learning curve.
    Chiow AKH, Sim KR, Lee LS, Tan SS. Ann Laparosc Endosc Surg 2017;2:172.

Research Trials