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Dr Tay Kae Sian

Dr Tay Kae Sian

​MBBS (S’pore), MMed (Ortho), MRCSEd, FRCSEd (Ortho)


Singapore General Hospital

Specialty: Orthopaedic Surgery

Sub-specialties: Foot and Ankle Surgery, Acute Care

Conditions Treated by this Doctor:
Arthritis, Degenerative Conditions, Diabetic Foot Disease, Flat Feet, Foot and Ankle, Foot and Ankle Deformities, Foot and Ankle Dislocations, Foot and Ankle Fractures, Fractures of Upper and Lower Limb, Hip and Knee Arthritis, Hip Fractures, Knee - Cartilage Injuries, Knee - Ligament Injuries, Sports Injuries, Upper and Lower Limb Dislocations.

Clinical Appointments

  • Consultant Orthopaedic Surgery Singapore General HospitalSingapore General Hospital

Academic Appointments

  • Duke-NUS Medical School
  • PGY1 Program


Dr Tay Kae Sian graduated from the National University of Singapore in 2010. He completed his specialist training in Orthopaedic Surgery and was appointed as Fellow of the Royal College of Surgeons of Edinburgh in 2019.

Dr Tay’s subspecialty interest is in foot and ankle surgery, lower limb arthroplasty and reconstructive surgery, as well as trauma and acute care.

His professional belief is that the orthopaedic surgeon plays a pivotal role in adding quality to quantity of life. In pursuit of this, he strongly advocates for continuing research and education to promote better patient care and outcomes.

Dr Tay has published and presented his research in both local and international conferences and medical journals. He also continues to contribute to medical education by teaching future generations of doctors in medical schools as well as in post-graduate training programs.


  • Fellow of the Royal College of Surgeons (Edinburgh) (Orthopaedic Surgery)
  • Master of Medicine (Orthopaedic Surgery) 
  • Member of the Royal College of Surgeons (Edinburgh)  
  • Bachelor of Medicine, Bachelor of Surgery 

Professional Appointments and Committee Memberships

  • Royal College of Surgeons of Edinburgh
  • Singapore Orthopaedic Association
  • AO Trauma


  • Singhealth Academy Certificate of Appreciation for Education 2018
  • Singhealth Outstanding Resident Award 2014/2015, 2018/2019
  • EUROSPINE Travel Grant, Sep 2015

Research Interests

  • Foot and Ankle Surgery
  • Minimally Invasive Surgery
  • Joint Replacements
  • Deformity Correction


  1. KS Tay, CP Chew, DTT Lie.
    Routine periosteal flap augmentation does not improve outcomes of the modified Brostrom-Gould procedure for chronic lateral ankle instability.
    Foot & Ankle Orthopaedics. 30 Jul 2020. doi:10.1177/2473011420934735.
  2. JY Lee, KS Tay, IR Singh.
    Distal Oblique Osteotomy versus Cheilectomy for Moderate-Advanced Hallux Rigidus: A 2-Year Propensity-Score-Matched Study.
    Foot and Ankle Surgery. 13 Jun 2020.
  3. GW Law, KS Tay, A Padki, KC Wong, K Zhang, NEM Yeo, K Koo, IR Singh.
    Well-selected Diabetic Patients With Good Glycaemic Control Remain Suitable Candidates For Hallux Valgus Surgery.
    Foot & Ankle International. 41(8), 945–953. doi:10.1177/1071100720930011
  4. YWA Tay, KS Tay, Y Thever, H Ying, NEM Yeo.
    An Epidemiological Review of 623 Foot and Ankle Soft Tissue Tumours and Pseudo-Tumours.
    Foot and Ankle Surgery 27 May 2020.
  5. Law GW, Tay KS, Lim JWS, Zhang KT, Seng C, Yeo NEM, Koo K, Rikhraj IS.
    Effect of Severity of Deformity on Clinical Outcomes of Scarf Osteotomies.
    Foot & Ankle International. 3 Mar 2020.
  6. MGAN Silva, DTS Koh, KS Tay, KOT Koo, IR Singh.
    Lateral Column Osteotomy Versus Subtalar Arthroereisis in the Correction of Grade IIB Adult Acquired Flatfoot Deformity: A Clinical and Radiological Follow-up at 24 Months.
    Foot and Ankle Surgery 30 Jul 2020.
  7. KS Tay, AHC Tan
    Clinical Outcomes, Return to Sports, and Patient Satisfaction After Anterior Cruciate Ligament Reconstruction in Young and Middle-Aged Patients in an Asian Population—A 2-Year Follow-up Study
    Arthroscopy: The Journal of Arthroscopic & Related Surgery 2018;34(4), 1054-1059
  8. Tay KS, Cher EWL, Zhang K, Tan SB, Howe TS, Koh JSB
    Comorbidities Have a Greater Impact than Age Alone in the Outcomes of Octogenarian Total Knee Arthroplasty
    Journal of Arthroplasty 2017 May 31. pii: S0883-5403(17)30480-1. doi: 10.1016/j.arth.2017.05.041. [Epub ahead of print]
  9. Cher EWL, Tay KS, Zhang K, Tan SB, Howe TS, Koh JSB
    The Effect of Comorbidities and Age on Functional Outcomes after Total Knee Arthroplasty in the Octogenarian: A Matched Cohort Study.
    Geriatric Orthopaedic Surgery & Rehabilitation 2018 May 16;9:2151459318769508. doi: 10.1177/2151459318769508
  10. Tay KS, NN Lo, SJ Yeo, SL Chia, DKJ Tay, PL Chin.
    Revision Total Knee Arthroplasty: Causes and outcomes.
    Annals, Academy of Medicine, Singapore 42, no. 4 (2013): 178-183.
  11. Tay KS, YCS Ng, IR Singh, KW Chong.
    Open technique is more effective than percutaneous technique for TOPAZ radiofrequency coblation for plantar fasciitis.
    Foot and Ankle Surgery 18, no. 4 (2012): 287-292.

Research Trials