Kok Yee Onn
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Clin Asst Prof Kok Yee Onn

Clin Asst Prof Kok Yee Onn

​MBBS (S'pore), MRCS (Edin), MMed (S'pore), MCI (S'pore), ECFMG (USA), FAMS (Plastic Surgery) (S'pore)

Consultant

Sengkang General Hospital

Specialty: Plastic, Reconstructive ＆ Aesthetic Surgery, General Surgery

Conditions Treated by this Doctor:
Aesthetic Surgery, Body Contouring, Botox Injection, Breast Deformities, Breast Reconstruction, Burns, Chronic Wounds, Craniofacial Trauma, Droopy Eyelids (Ptosis), Eyelid Surgery (Blepharoplasty), Facial Paralysis, Fillers, Gynecomastia, Hair Removal, Hair transplantation, Keloid, Lasers, Liposuction, Lower Limb Reconstruction, Lymphoedema, Microsurgery, Nose (rhinoplasty), Post-Cancer Deformities, Scar Surgery, Skin Cancer.

Clinical Appointments

  • Consultant Plastic, Reconstructive and Aesthetics Service Sengkang General HospitalSengkang General Hospital
  • Consultant Department of Surgery Sengkang General HospitalSengkang General Hospital
  • Consultant Plastic, Reconstructive ＆ Aesthetic Surgery Singapore General HospitalSingapore General Hospital

Profile

Clinical Assistant Professor Kok Yee Onn is a Consultant Plastic Surgeon. He graduated from NUS with the top Outstanding Undergraduate Research Prize (OURP) and Singapore Young Investigator Award (SYIA). He graduated from SingHealth Plastic Surgery with the National Outstanding Clinician Scientist Resident Award and the SingHealth Outstanding Resident Award. He spent time in Germany, South Korea, Thailand and USA at Stanford (Prof James Chang) and Pittsburgh (Prof J. Peter Rubin); for craniofacial surgery, facial and breast aesthetic surgery, body contouring, fat grafting and scars. 

He was awarded several competitive scholarships - the Ministry of Health’s Human Manpower Development Plan (HMDP) Team Scholarship for Body Contouring Surgery (at UPMC’s Life After Weight Loss Program in USA), the AOCMF fellowship for craniomaxillofacial surgery (Germany) and the MOH Healthcare Research Scholarship for Postgraduate Masters in Clinical Investigation. He has co-authored book chapters and guest reviewed for Archives of Plastic Surgery. He is involved in research, education and treatment for aesthetic surgery, reconstruction, microsurgery, lymphedema and burns.

His practice interests include cosmetic surgery, lasers, scars, breast reconstruction, craniofacial surgery, body contouring and its multidisciplinary care (SWITCH team), lower limb reconstruction, lymphedema, microsurgery, medical device innovation and volunteer missions. He believes in holistic individualised treatment plans with evidence-based cutting-edge techniques, a keen eye and a heart for service; to achieve the best form and function possible for patients.

Dr Kok holds several research grants with his co-Investigators and developed proprietary porcine models for burns, flaps, an epidermal collagen substitute, keloid ear clamp and a liver transplant microsurgical instrument.  His research interests centre around cosmeceuticals, medical devices and innovation in burns, lymphedema, wounds, scars; skin regeneration, substitutes, stem cells for rejuvenation, 3D printing and flap monitoring. He was instrumental in the pioneer Singapore teams that spearheaded animal vascularised composite allograft (VCA) transplantation and remote NIRS (Near Infrared Spectrometry) flap monitoring.

He is active in the education of residents, nurses, medical students and contributes to microsurgery and basic surgical skills courses. He is passionate about lifelong volunteer mission work and participated in cleft surgery missions to China, Myanmar, Bangladesh and Cambodia under Operation Smile, Smile Asia and SingHealth.

He deeply believes in patient care, mentorship, multidisciplinary collaboration and value-driven care to improve patient outcomes. Without encouraging patients, supportive mentors, friends, colleagues and loving family–the aforementioned would not be possible.

Education

  • ​Bachelor of Medicine and Bachelor of Surgery (Singapore)
  • Member of the Royal College of Surgeons (Edinburgh)
  • Master of Medicine (Surgery), NUS
  • Master of Clinical Investigation, NUS
  • Fellow of Academy of Medicine Singapore (Plastic Surgery) (Singapore)

Professional Appointments and Committee Memberships

  • Clinical Teacher, LKC School of Medicine (NTU-Imperial), MBBS Examiner
  • Clinical Lecturer, YLLSOM, MBBS Examiner
  • Physician Faculty Member, Plastic Surgery Residency, SingHealth PRAS Craniomaxillofacial Implants, Laser and Liposuction Evaluation Committees, Sengkang General Hospital
  • Adjunct Research Fellow - Academic Medicine Research Institute, Duke-NUS.
  • ​Member, MSKACP Clinician-Innovator Group
  • Lifetime Member, Wound Healing Society Singapore
  • Table Instructor (Microsurgery, Basic Surgery Suturing Workshops, Galderma Aesthetic Filler Workshop)

Awards

  • Human Manpower Development Plan (HDMP) Team Scholarship for Body Contouring Surgery, 2023
  • AOCMF fellowship for craniomaxillofacial surgery, 2023
  • ​GYSS (Global Young Scientist Summit) SingHealth Nominee, 2021
  • SingHealth Outstanding Resident Award ,2020
  • MOH Healthcare Research Scholarship, 2020
  • NMRC National Outstanding Clinician-Scientist Resident Award, 2019
  • Best MSKACP Finalist-SingHealth Duke-NUS Surgical & Anaesthesia Congress High Fidelity Cadaver Preparation for Dissection Studies, 2019
  • SHQ Award Team- Best Clinical Improvement- Burns Team, 2017
  • Best Poster Award- Use of Medialis Pedis Perforator Flap: A new solution for hand injuries – APFSRM, 2013
  • Finalist-Evidence-Based Medicine (Surgery)- Singhealth Duke Conference, 2012, 2010
  • NUS Outstanding Undergraduate Researcher Prize (OURP)-(Faculty First), 2010
  • Singapore Young Investigator Award- Basic and Translational Research Singapore Health and Biomedical Conference- Gold, 2010

Research Interests

Publications


  1. Kok YO, SS Tan, RC Lai, SK Lim. Cardioprotective Effect of Stem Cell Derived Exosomes Via Adenosine-Mediated Extracellular Signal Regulated Kinase Pathway Annals of the Academy of Medicine, Singapore (AAMS), Vol. 39 (Supp) No. 11, S14, pg20

  2. Chong SJ, Kok YO, Choke A, Tan EWX, Tan KC, Tan BK Comparison of four measures in reducing length of stay in burns: An Asian centre's evolved multimodal burns protocol. Burns. 2017 Sep;43(6):1348-1355 

  3. Kok YO, Chong SJ, Liang WH, Tan BK, Tan KC. Revolutionizing Major Burns Management with Micrografting - Improved Healthcare Costs, Time and Burns Resources. Plast Reconstr Surg. 2015 Oct;136(4 Suppl):64

  4. YO KOK, SSY TAN, MSW YEO, TC LIM. Foreign bodies of the face: A Singapore Perspective Annals of the Academy of Medicine, Singapore (AAMS), Vol. 39 (Supp) No. 11, S186, pg192 

  5. SJ CHONG, A OOI, YO KOK, MK TAN “Full Thickness Burns over Bilateral Patella Tendon – Adjunctive HBOT for Wound bed preparation and Improved Graft Take” Annals Academy of Medicine October 2011, Vol. 40 No. 10 pg 471-472

  6. SJ CHONG, YO KOK, CL FOO, Body Contouring Surgery for Military Personnel following Massive Weight Loss, Royal Army Medical Corp UK, December 2011

  7. YO KOK, MSW YEO, V NALLATHAMBY, SJ LEE, Infraorbital Nerve Schwannoma in an Adolescent Male. Ann Plast Surg. 2013 Aug;71(2):196-7

  8. YO KOK, GFL TAN, SC LOON, Keratoconus in Asia – Review Cornea. 2012 May;31(5):581-93.

  9. Pan CW, Wong TY, Chang L, Lin XY, Lavanya R, Zheng YF, Kok YO, Wu RY, Aung T, Saw SM. Ocular Biometry in an Urban Indian Population: the Singapore Indian Eye Study (SINDI). Invest Ophthalmol Vis Sci. 2011 Jul 26.

  10. YO KOK, SS TAN Cure for Hemophilia: Gene, Stem Cell or Transplant? Review of Global Medicine and Healthcare Research, 1(1) 2010, 179-194

  11. SS TAN, YO KOK The Dilemma of Enteral against Parenteral Nutrition for the Surgical Patient -Review of Global Medicine and Healthcare Research 2010, 1(1), 264-274

  12. YO KOK, CHERYL HUI, SJ CHONG, BK TAN. Early Renal Replacement Therapy and Total Body Wrap Topical Negative Pressure Wound Therapy for Severe Burns and Rhabdomyolysis : A Case Report.  Proceedings of Singapore Healthcare Vol. 23 No. 4

  13. Tsui I, Williams BK Jr, Kok YO, Heilweil G, Schwartz SD. Reliability of Ischemic Index Grading in Common Retinal Vascular Diseases.Ophthalmic Surg Lasers Imaging Retina. 2015 Jun;46(6):618-25

  14. Chang SK, Tan SS, Kok YO. Early experience in single-site laparoscopic cholecystectomy.Singapore Med J. 2012 Jun;53(6):377-80.

  15. Liang W, Kok YO, Tan BK, Chong SJ. An Outcomes Study on the Effects of the Singapore General Hospital Burns Protocol. Ann Plast Surg. 2017 Oct 3

  16. Kok YO, Sim N, Tiwari P, Wong TH, Chong SJ. Establishing a treatment protocol for concomitant major burn and trauma patients: a tropical Asian hospital's experience. Burns Trauma. 2017 Jul 5;5:21.

  17. Kok YO, Chong SJ, Basuki A, Tan BK. Early definitive treatment of partial-thickness alkali burns with tangential excision and biobrane. Arch Plast Surg. 2018 Mar;45(2):193-195. doi: 10.5999/aps.2017.00507. 

  18. Goh CS, Kok YO, Yong CP, Tan EW, Goh LG, Chew KY, Teo CE, Goh TL. Outcome predictors in elderly head and neck free flap reconstruction: A retrospective study and systematic review of the current evidence. J Plast Reconstr Aesthet Surg. 2018 May;71(5):719-728.

  19. Chong SJ, Kok YO, Tay RXY, Ramesh DS, Tan KC, Tan BK. Quantifying the impact of inhalational burns: a prospective study. Burns Trauma. 2018 Sep 4;6:26.

  20. Ho CWG, Kok YO, Chong SJ. Photographic evaluation of different adrenaline-containing tumescent solutions on skin graft donor site bleeding: A prospective randomised trial. Burns. 2018 Dec;44(8):2018-2025. doi: 10.1016/j.burns.2018.03.003. Epub 2018 Oct 25.

  21. Chew KY, Kok YO, Ong WL, Tan BK. Coverage of anterior mediastinal tracheostomy with bipedicled anterolateral thigh flap. JPRAS Open. 2021 Jan 26;28:4-9.

  22. Chew KY, Kok YO, Pek WS, Too CW, Tan BK. Surgical planning using facial fracture 3D models: The role of cyanoacrylate glue and miniplating for anatomical reduction. JPRAS Open. 2021 Jan 23;28:19-24.

  23. Tan GH, Ong BH, Kok YO, Tan BK.  Use of the extended pectoralis major myocutaneous flap as a wrap-around for mediastinal tracheal repair. JPRAS Open. 2021 Aug 11;30:133- 

  24. Moay ZK, Nguyen LTH, Hartrianti P, Lunny DP, Leavesley D, Kok YO, Chong SJ, Chua AWC, Tee SI, Ng KW Keratin-Alginate Sponges Support Healing of Partial-Thickness  Burns. Int J Mol Sci. 2021 Aug 10;22(16):8594.

  25. Thng CB, Kok YO, Feng J, Wong AW. Single stage chest wall soft tissue reconstruction with ipsilateral pectoralis major turnover flap, rhomboid skin flap, and inferior nipple transposition. J Surg Case Rep. 2022 Dec 7;2022(12):rjac553. doi: 10.1093/jscr/rjac553. PMID: 36518645; PMCID: PMC9731619.

  26. Rajasegeran DD, Aloweni F, Lim X, Chandra Sekaran S, Nguyen CP, Zhang L, Lim LPB, Ong S, Kok YO, Chong SJ. A prospective comparative study on the effectiveness of two different non-adherent polyurethane dressings on split-thickness skin graft donor sites. J Tissue Viability. 2022 Aug;31(3):531-536. doi: 10.1016/j.jtv.2022.04.007. Epub 2022 Apr 27. PMID: 35718595.

  27. Ngaserin S, Wong AW, Leong FQ, Feng JJ, Kok YO, Tan BK. A Preliminary Experience of Endoscopic Total Mastectomy With Immediate Free Abdominal-Based Perforator Flap Reconstruction Using Minimal Incisions, and Literature Review. J Breast Cancer. 2023 Apr;26(2):152-167. doi: 10.4048/jbc.2023.26.e10. Epub 2023 Mar 13. PMID: 37051645; PMCID: PMC10139846.

  28. Ngiam EHK, Fok D, Sim N, Wong A, Feng J, Pearlie T, Chua HW, Chan G, Kok YO. A case of cutaneous psoriasis vulgaris achieving complete remission post major breast reconstructive surgery. J Surg Case Rep. 2023 Jun 28;2023(6):rjad148. doi: 10.1093/jscr/rjad148. PMID: 37397068; PMCID: PMC10308001.

  29. Maria R, Kok YO, Teoh KH. A Fully Digital Auricular Splint Workflow for Post-Keloid Excision. Arch Plast Surg. 2023 Aug 31;50(6):563-567. doi: 10.1055/s-0043-1771271. eCollection 2023 Nov. PMID: 38143839 

  30. Wong AWJ, Kok YO, Chew KY, Tan BK. High-Fidelity Perforator Visualization for Cadaver Dissection in Surgical Training. Arch Plast Surg. 2023 Aug 31;50(6):621-626. doi: 10.1055/s-0043-1771272. eCollection 2023 Nov.PMID: 38143833 

  31. Tan GH, Feng J, Kok YO, Tan PWW, Wong AW. Nylon Suture Loop for Tagging Lymphatic Channels during Lymphaticovenular Anastomosis. Indian J Plast Surg. 2024 Feb 2;57(2):136-139. doi: 10.1055/s-0044-1779477. PMID: 38774728; PMCID: PMC11105814.

  32. Wong AW, Sim NHS, Thing CB, Xu W, Chua HW, Ngaserin S, Loh S, Kok YO, Feng JJ, Pearlie TWW, Tan BK. Distally Based Lymphatic Microsurgical Preventive Healing Approach-A Modification of the Classic Approach. Arch Plast Surg. 2024 Aug 6;51(5):504-509. doi: 10.1055/a-2336-0150. PMID: 39346002

  33. Thng CB, Wong KL, Wong AW, Chew KY, Leow K, Alvis LTC, Leong S, Irani FG, Png W, Cher EWL, Ma Z, Moksin MB, Wong MK, Tan PWW, Kok YO, Feng J. Early results of an orthoplastic multidisciplinary approach to diabetic foot ulcer soft tissue reconstruction. J Wound Care. 2024 Dec 2;33(12):926-932. doi: 10.12968/jowc.2023.0008. PMID: 39630560.

  34. Wei Ping Sim, Antony Xavier Rex Premchand, Si Jack Chong, Xiang Ying Tay, Yee Onn Kok, Suheal Ali Khan. Reverse sural flap with simultaneous open bone transport in the leg: A novel method. Int J Case Rep Orthop 2023;5(1):141-149. DOI: 10.22271/27078345.2023.v5.i1c.157

  35. Kok YO, Yeoh KH, Wang DY. Effect of Diet Control in Food-Induced Allergic Rhinitis. Otolaryngology–Head and Neck Surgery. 2017;143(2_suppl):P273-P274. doi:10.1016/j.otohns.2010.06.585

  36. Kok YO, Cheng LH, Huang YH, Chin A, Chong SJ. FINE HAND DEXTERITY TESTS IN EVALUATION OF MILITARY GLOVES: MS09P. ANZ Journal of Surgery. 2014 May;84:113.

  37. Kok YO, Hui C, Chong SJ, Tan BK. EARLY RENAL REPLACEMENT THERAPY (RRT) AND NEGATIVE PRESSURE WOUND THERAPY (NPWT) TOTAL BODY WRAP (TBW) IN SEVERE BURNS AND RHABDOMYOLYSIS: MANAGEMENT SUCCESS: BU28P. ANZ Journal of Surgery. 2014 May;84:24.

  38. Liang W, Kok YO, Chong SJ, Tan KC, Tan BK. THE ECONOMIC IMPACT OF THE SINGAPORE GENERAL HOSPITAL MICROGRAFT PROTOCOL: TS019. ANZ Journal of Surgery. 2015 May;85:133.

  39. Kok, Yee Onn MBBS, MRCS; Yung Loh, Charles Yuen MBBS, MSc, MRCS; Liang, Zhen Chang MBBS, MRCS; Yan Tan, Shaun Shi MBBS, MRCS. Wound Growth Factors Meta-Analysis – Do They Work?. Plastic and Reconstructive Surgery 136(4S):p 164, October 2015. | DOI: 10.1097/01.prs.0000472491.60182.a0

  40. Kok, Yee Onn MBBS, MRCS; Joethy, Janna MRCS, FAMS; Al Jajeh, Issam MD, FAMS; Chew, Khong Yik MRCS, FAMS; Tan, Kok Chai MBBS, FRCS, FAMS; Foo, Chee Liam FRCS, FAMS. Abstract: An in-Depth Look at Fat Necrosis. Plastic and Reconstructive Surgery - Global Open 4(9S):p 191, September 2016. | DOI: 10.1097/01.GOX.0000503145.26871.47

  41. S Chong, A Chua, Y Kok.  Micrograft/CEA vs Cuono’s Method: A Review- Journal of Burn Care & Research, 2018, Volume 39, Issue suppl_1, April 2018, Page S243, https://doi.org/10.1093/jbcr/iry006.461

Book Chapter Contributions

  1. Textbook of Plastic, Reconstructive and Aesthetic Surgery Volume V (Burns) (K. Agrawal, SJ Chong, YO Kok, Keith Koh)- Establishment of a multidisciplinary burn centre

Research Trials

​Research Trials

  • The use of negative pressure wound therapy (NPWT) in flaps-proof of concept of changes in perfusion and mechanical deformation in a simple human and porcine animal model
  • Use of a Keratin Alginate Dermal Substitute for Burns
  • Use of a Novel Epidermal Substitute for Superficial Burns
  • Tolerance of Vascularised Composite Allograft in an Irradiated Porcine Model with ADSCs
  • Eyebag Cosmoceutical Device
  • 3D Printed Keloid Clamps
  • 3D Printing and modelling for complex cases-Facial Fractures, Oncology, Orthognathic

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