Dr Lee Jian Hui, Merrill

Dr Merrill Lee currently serves as an Associate Consultant with the Department of Orthopaedic Surgery in SGH. He was on the Dean's List for multiple years and graduated with a Bachelor of Medicine and Bachelor of Surgery (MBBS) from the National University of Singapore in 2015. He was awarded the SingHealth Outstanding Resident Award in 2024, and SingHealth Outstanding Chief Resident Award in 2025. He was the best performer in the Orthopaedic Surgery Exit Examinations and was appointed as a Fellow of the Royal College of Surgeons in 2025.

• Fellowship of the Royal College of Surgeons (Ortho), Edinburgh
• United States Medical Licensing Examination (USMLE) Education Commission for Foreign Medical Graduates (ECFMG Certification)
• Master of Medicine (Orthopaedic Surgery)
• Member of the Royal College of Surgeons, Edinburgh
• Bachelor of Medicine, Bachelor of Surgery (MBBS), National University of Singapore

• Chairman, Singapore Orthopaedic Trainees Committee 2023
• Executive and Organizing Committee, Singapore Orthopaedic Association 2023
• Physician Faculty Member for PGY1, SingHealth
• The Royal College of Surgeons (Edinburgh), Fellow
• Editorial Board Member - Arthroplasty (Official Journal of ASIA)

• SingHealth Outstanding Chief Resident Award
• SingHealth Associate in Education Award
• SingHealth Outstanding Resident Award
• NUS Junior Doctor Teaching Award
• Dean's List
• SingHealth Undergraduate Scholarship Award

• Loh JY, Liow MHL, Purnomo G, Lee M, Chen JY, Pang HN, Tay KJD, Yeo SJ. Restricted kinematic total knee arthroplasty provided better functional outcomes and higher satisfaction rates for Asians of genu varum with apex distal joint line over unrestricted kinematic total knee arthroplasty. Arthroplasty. 2025 Jul 2;7(1):33. doi: 10.1186/s42836-025-00318-x. PMID: 40597277; PMCID: PMC12220281.
• Rahman A, Lee M, Tan L, Wong S, Saturnino M, Purnomo G, Liow MHL, Tay KJD, Pang HN, Yeo SJ. Coronal Plane Alignment of the Knee (CPAK) distribution in a diverse Asian population: Influence of ethnicity, sex and bilaterality. J Exp Orthop. 2025 Apr 1;12(2):e70192. doi: 10.1002/jeo2.70192. PMID: 40170705; PMCID: PMC11960245.
• Cheong T, Tao X, Nawabi DH, Bin Abd Razak HR, Lee M. Clinical outcomes of arthroscopic surgical intervention in femoroacetabular impingement amongst the Asian population: A meta-analysis. J ISAKOS. 2025 Feb;10:100362. doi: 10.1016/j.jisako.2024.100362. Epub 2024 Nov 13. PMID: 39542258.
• Wong KC, Lee M, Binte Abdul Kadir H, Lie DTT. Pre-operative transverse tendon thickness in small and mid-sized rotator cuff tears does not affect clinical outcomes after arthroscopic repair. J ISAKOS. 2024 Oct;9(5):100295. doi: 10.1016/j.jisako.2024.07.003. Epub 2024 Jul 21. PMID: 39043294.
• Yeo MHX, Seah SJS, Lee M, Lie DTT. Different types of rotator cuff tear morphology do not affect post-repair clinical outcomes in large to massive tears. J ISAKOS. 2024 Feb;9(1):25-33. doi: 10.1016/j.jisako.2023.10.014. Epub 2023 Nov 3. PMID: 37925105.
• Thiyagarajan H, Lee M, Chen J, Meng NYE. Predictors of Patient Satisfaction in Hallux Valgus Surgery. J Foot Ankle Surg. 2022 Nov-Dec;61(6):1321-1324. doi: 10.1053/j.jfas.2022.04.013. Epub 2022 May 5. PMID: 35690528.
• Wong KC, Lee M, Liow L, Lo NN, Yeo SJ, Chen J. Bone-on-Bone Contact on Radiograph is not a Prerequisite for Successful Outcome in Fixed-Bearing Medial Unicompartmental Knee Arthroplasty-A 10-Year Follow-Up Study. J Knee Surg. 2023 May;36(6):658-666. doi: 10.1055/s-0041-1740932. Epub 2021 Dec 24. PMID: 34952551.
• S/O K S RZE, Lee M, Chen J, Meng NYE. Do Patients Aged 70 Years and Older Benefit From Hallux Valgus Surgery? J Foot Ankle Surg. 2022 Mar-Apr;61(2):310-313. doi: 10.1053/j.jfas.2021.08.009. Epub 2021 Aug 20. PMID: 34535381.
• Moorthy V, Lee M, Ang BFH, Chen JY, Lie DTT. Comparing the Predictors of Functional Outcomes After Arthroscopic Rotator Cuff Repair Modified Frailty Index, Clinical Frailty Scale, and Charlson Comorbidity Index. Orthop J Sports Med. 2021 Jul 15;9(7):23259671211005091. doi: 10.1177/23259671211005091. PMID: 34350299; PMCID: PMC8287367.
• Padki A, Chen JY, Lee MJH, Ang BFH, Lie DTT. Septuagenarians aged 75 years and older do benefit from arthroscopic rotator cuff repair: a propensity matched-pair analysis. JSES Int. 2021 Mar 9;5(3):459-462. doi: 10.1016/j.jseint.2020.12.020. PMID: 34136854; PMCID: PMC8178637.
• Moorthy V, Chen JY, Lee M, Ang BFH, Lie DTT. The UCLA Shoulder Score Is a Better Predictor of Treatment Success Than the Constant and Oxford Shoulder Scores After Arthroscopic Rotator Cuff Repair: A 2-Year Follow-Up Study. Arthrosc Sports Med Rehabil. 2021 Feb 25;3(2):e485-e490. doi: 10.1016/j.asmr.2020.11.003. PMID: 34027459; PMCID: PMC8129435.
• Gatot C, Lee M, Chen JY, Fu Hong BA, Tijauw Tjoen DL. Increased preoperative greater tuberosity angle does not affect patient-reported outcomes postarthroscopic rotator cuff repair. JSES Int. 2020 Dec 7;5(1):72-76. doi: 10.1016/j.jseint.2020.10.008. PMID: 33554168; PMCID: PMC7846682.
• Khow YZ, Liow MHL, Lee M, Chen JY, Lo NN, Yeo SJ. The effect of tibial and femoral component coronal alignment on clinical outcomes and survivorship in unicompartmental knee arthroplasty. Bone Joint J. 2021 Feb;103-B(2):338-346. doi: 10.1302/0301-620X.103B2.BJJ-2020-0959.R1. PMID: 33517724.
• Khow YZ, Liow MHL, Lee M, Chen JY, Lo NN, Yeo SJ. Posterior condylar offset and posterior tibial slope targets to optimize knee flexion after unicompartmental knee arthroplasty. Knee Surg Sports Traumatol Arthrosc. 2022 Mar;30(3):822-831. doi: 10.1007/s00167-021-06453-7. Epub 2021 Jan 29. PMID: 33512542.
• Moorthy V, Chen JY, Lee M, Lie DTT. Arthroscopic rotator cuff repair results in similar postoperative functional outcomes in patients with only rotator cuff tears and those with concomitant cervical radiculopathy. Knee Surg Sports Traumatol Arthrosc. 2021 Aug;29(8):2564-2569. doi: 10.1007/s00167-020-06394-7. Epub 2021 Jan 3. PMID: 33388825.
• Khow YZ, Liow MHL, Lee M, Chen JY, Lo NN, Yeo SJ. Coronal Alignment of Fixed-Bearing Unicompartmental Knee Arthroplasty Femoral Component May Affect Long-Term Clinical Outcomes. J Arthroplasty. 2021 Feb;36(2):478-487. doi: 10.1016/j.arth.2020.07.070. Epub 2020 Aug 1. PMID: 32828619.
• Lee M, Cheng D, Chen J, Liow L, Lo NN, Yeo SJ. No difference in functional outcomes, quality of life and survivorship between metal-backed and all-polyethylene tibial components in unicompartmental knee arthroplasty: a 10-year follow-up study. Knee Surg Sports Traumatol Arthrosc. 2021 Oct;29(10):3368-3374. doi: 10.1007/s00167-020-06247-3. Epub 2020 Aug 20. PMID: 32816104.
• Zeng GJS, Lee MJH, Chen JY, Ang BFH, Hao Y, Lie DTT. Dyslipidemia With Perioperative Statin Usage Is Not Associated With Poorer 24-Month Functional Outcomes After Arthroscopic Rotator Cuff Surgery. Am J Sports Med. 2020 Aug;48(10):2518-2524. doi: 10.1177/0363546520937266. Epub 2020 Jul 21. PMID: 32692629.
• Lee M, Ho JPY, Chen JY, Ng CK, Yeo SJ, Merican AM. The Relationship of Transepicondylar Width with the Distal and Posterior Femoral Condyles and Its Clinical Implications: A Three-Dimensional Study. J Knee Surg. 2022 Feb;35(3):280-287. doi: 10.1055/s-0040-1713733. Epub 2020 Jul 6. PMID: 32629512.
• Lee M, Chen J, Lie D. Editorial Commentary: Outcomes in Arthroscopic Rotator Cuff Repairs: Are We Treating Patients or Radiographs? Arthroscopy. 2019 Oct;35(10):2948-2949. doi: 10.1016/j.arthro.2019.05.033. PMID: 31604516.
• Lee M, Chen J, Ying H, Lie D. Impact of Diaphyseal Cortical Thickness on Functional Outcomes After Arthroscopic Rotator Cuff Repair. Arthroscopy. 2019 Sep;35(9):2565-2570. doi: 10.1016/j.arthro.2019.04.004. Epub 2019 Aug 13. PMID: 31420119.
• Lee M, Chen J, Shi Lu C, Lo NN, Yeo SJ. No Differences in Outcomes Scores or Survivorship of Unicompartmental Knee Arthroplasty Between Patients Younger or Older than 55 Years of Age at Minimum 10-Year Followup. Clin Orthop Relat Res. 2019 Jun;477(6):1434-1446. doi: 10.1097/CORR.0000000000000737. PMID: 31094840; PMCID: PMC6554132.
• Alaee F, Angerame M, Bradbury T, Blackwell R, Booth RE, Brekke AC, Courtney PM, Frenkel T, Grieco Silva FR, Heller S, Hube R, Ismaily S, Jennings J, Lee M, Noble PC, Ponzio D, Saxena A, Simpson H, Smith BM, Smith EB, Stephens S, Vasarhelyi E, Wang Q, Yeo SJ. General Assembly, Prevention, Operating Room - Surgical Technique: Proceedings of International Consensus on Orthopedic Infections. J Arthroplasty. 2019 Feb;34(2S):S139-S146. doi: 10.1016/j.arth.2018.09.064. Epub 2018 Oct 19. PMID: 30348556.
• Lee M, Chen JY, Ying H, Nee PH, Tay DKJ, Chin PL, Lu CS, Nung LN, Jin YS. Quality of life and functional outcome after single-radius and multi-radius total knee arthroplasty. J Orthop Surg (Hong Kong). 2018 May-Aug;26(3):2309499018792417. doi: 10.1177/2309499018792417. PMID: 30089417.
• Lee M, Chen JY, Chen H, Chong HC, Koo K, Singh IR. Effect of Mechanical Axis Correction on Outcomes of Hallux Valgus Surgery. J Foot Ankle Surg. 2018 Jan-Feb;57(1):111-115. doi: 10.1053/j.jfas.2017.08.027. PMID: 29268896.
• Huang Y, Lee M, Chong HC, Ning Y, Lo NN, Yeo SJ. Reasons and Factors Behind Post-Total Knee Arthroplasty Dissatisfaction in an Asian Population. Ann Acad Med Singap. 2017 Aug;46(8):303-309. PMID: 28920130.
• Liow MHL, Lee M, Goh GS, Chen LTJ, Yue WM, Guo CM, Tan SB. Poorer Fusion Outcomes in Diabetic Cervical Spondylotic Myelopathy Patients Undergoing Single-level Anterior Cervical Discectomy and Fusion Does Not Compromise Functional Outcomes and Quality of Life. Spine (Phila Pa 1976). 2018 Apr 1;43(7):477-483. doi: 10.1097/BRS.0000000000002395. PMID: 28858183.
• Lee M, Chen JY, Liow MHL, Chong HC, Chang P, Lie D. Critical Shoulder Angle and Acromial Index Do Not Influence 24-Month Functional Outcome After Arthroscopic Rotator Cuff Repair. Am J Sports Med. 2017 Nov;45(13):2989-2994. doi: 10.1177/0363546517717947. Epub 2017 Aug 14. PMID: 28806093.
• Lee M, Huang Y, Chong HC, Ning Y, Lo NN, Yeo SJ. Predicting Satisfaction for Unicompartmental Knee Arthroplasty Patients in an Asian Population. J Arthroplasty. 2016 Aug;31(8):1706-10. doi: 10.1016/j.arth.2016.02.005. Epub 2016 Feb 8. PMID: 26935944.