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Adj A/Prof Lim Kean Seng Andrew

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  • Head & Senior Consultant, Division of Paediatric Orthopaedic Surgery, Department of Orthopaedic Surgery, National University Hospital
  • Adjunct Associate Professor, Department of Orthopaedic Surgery, Yong Loo Lin School of Medicine, National University of Singapore


MBBS (Melb), MRCS (Edin), MMed (Orth)(SG), FRCS (Orth)(Edin)


Orthopaedic Surgery, Sports Medicine

Clinical Disciplines/Programmes:

Paediatric Orthopaedic Surgery


Adjunct Associate Professor Lim graduated with his Bachelor of Medicine and Bachelor of Surgery degree from the Melbourne Medical School, University of Melbourne in 2001. He obtained his initial working experience as a medical officer with Queensland Health in Australia. He returned to Singapore to commence his surgical training in 2005.

Adj A/Prof Lim was conferred the Membership of the Royal College of Surgeons Edinburgh in 2007 followed by the NUS Master of Medicine degree in Orthopaedic Surgery in 2008. He completed his advanced specialist training and obtained his admission as a Fellow of the Royal College of Surgeons Edinburgh in Orthopaedic Surgery in 2011.

Adj A/Prof Lim served in the Singapore Orthopaedic Association, Annual Scientific Meeting Committees in 2009 and 2011. He was the Singapore Orthopaedic Association Ambassador to the Hong Kong Orthopaedic Association Annual Congress in 2011.

In 2012, Adj A/Prof Lim embarked on a one-year Academic Manpower Development Award fellowship program at the Royal Liverpool Children's Hospital in the United Kingdom. He acquired invaluable experience in paediatric orthopaedic surgery including limb reconstruction and hip preservation surgery.

Adj A/Prof is the Undergraduate Medical Education Director for the Department of Orthopaedic Surgery at the National University Hospital. He is also Core Faculty of the National University Health System Orthopaedic Surgery Residency Program for postgraduate training.

In addition to his busy clinical practice at the National University Hospital, Adj A/Prof Lim provides an outreach service to the Cerebral Palsy Alliance Singapore for children with special needs.

Adj A/Prof Lim has been invited as an international speaker at overseas conferences including the Korean Orthopaedic Association Annual Congress 2017, the inaugural ASEAN Paediatric Orthopaedics Society meeting at the Malaysian Orthopaedic Association Annual Congress 2018 and the 2nd Mid-Year Meeting of the Paediatric Orthopaedic Society of India 2023. He was in the organising committee of the Singapore Orthopaedic Association 45th Annual Scientific Meeting 2023 and chair of the open hip preservation cadaver workshop. He represented Singapore as an invited speaker at the Asia Pacific Paediatric Orthopaedic Society, Asia Pacific Orthopaedic Association Congress 2024.

His interests and expertise are in lower limb reconstruction, deformity correction and limb lengthening. He is a leader in hip preservation surgery for periacetabular osteotomies and surgical dislocations.

Adj A/Prof's proficiency also includes adolescent sports injuries especially patella stabilisation surgery. He has a deep passion in treating children with neuromuscular conditions such as cerebral palsy, using instrumented gait analysis and single event multi-level surgery, to optimise the functional ability in these children.

Journals & Publications

  1. Surgical management of tibial eminence avulsion fractures: a systematic review and meta-analysis. Archives of Orthopaedic and Trauma Surgery 2024. PMID: 38896276
  2. Trochleoplasty Provides Good Outcomes for Recurrent Patellofemoral Dislocations with No Clear Superiority across Different Techniques. Journal of Clinical Medicine 2024. PMID: 38792556
  3. Patellar tilt, congruence angle, and tibial tubercle-trochlear groove distance are correlated with positive J-sign in adolescents. Physician and Sportsmedicine 2024. PMID: 38314751
  4. Combination of tibial tubercle transfer, medial patellofemoral ligament reconstruction, trochleoplasty and lateral release for patellofemoral instability provides good middle- to long-term outcomes in adolescents. European Journal of Orthopaedic Surgery & Traumatology 2024. PMID: 38280075
  5. Risk factors for a false negative Ortolani and Barlow examination in developmental dysplasia of the hip. Orthopaedics & Traumatology: Surgery & Research 2023. PMID: 38081355
  6. Both Medialization and Anteromedialization Tibial Tubercle Osteotomies are Effective Surgical Management for Skeletally Mature Patients with Patellofemoral Instability when Combined with Medial Patellofemoral Ligament Reconstruction. Journal of Knee Surgery 2023. PMID: 36049773
  7. Predictive Scoring for Recurrent Patellar Instability After a First-time Patellar Dislocation. Journal of Pediatric Orthopaedics 2022. PMID: 35797419
  8. Hip survivorship following the Bernese periacetabular osteotomy for the treatment of acetabular dysplasia: A systematic review and meta-analysis. Orthopaedics & Traumatology: Surgery & Research 2022. PMID: 35470119
  9. Interobserver Variability of Hip Dysplasia Indices on Sweep Ultrasound for Novices, Experts, and Artificial Intelligence. Journal of Pediatric Orthopaedics 2022. PMID: 35125417
  10. Surgical Management of Missed Pediatric Monteggia Fractures: A Systematic Review and Meta-analysis. Journal of Orthopaedic Trauma 2022. PMID: 34282094

1E Kent Ridge Road, NUHS Tower Block, Singapore 119228
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