Brief Profile
Dr. Sagar Tontanahal is an orthopaedic surgeon in Electronic City, Bangalore, with 9+ years of specialised training in paediatric orthopaedics. His clinical experience includes the assessment and management of congenital and developmental orthopaedic conditions in children, paediatric musculoskeletal tumours, paediatric trauma, deformity correction and hip disorders. His areas of interest include cerebral palsy and other neuromuscular conditions, congenital foot deformities and paediatric hip disorders. He is also involved in clinical research, with publications on paediatric fractures, childhood hip conditions and limb-salvage treatment for bone tumours.
Education
- MBBS – Bangalore Medical College and Research Institute, Bengaluru
- MS (Orthopaedics) – Gauhati Medical College, Guwahati
- DNB (Orthopaedics) – National Board of Examinations
- Post-Doctoral Fellowship in Paediatric Orthopaedics – Christian Medical College, Vellore
- Fellowship in Paediatric Orthopaedics – The Hospital for Sick Children, University of Toronto, Canada
Experience
9+ years
- Clinical Fellow, Division of Orthopaedics – The Hospital for Sick Children, Toronto, Canada
- Assistant Professor, Department of Orthopaedics – St. John’s Medical College and Hospital, Bengaluru
- Senior Resident, Department of Orthopaedics – St. John’s Medical College and Hospital, Bengaluru
- Post-Doctoral Fellow, Department of Paediatric Orthopaedics – Christian Medical College, Vellore
- Specialist, Department of Orthopaedics – Aster CMI Hospital, Bengaluru
- Senior Resident, Department of Orthopaedics – ESIC Medical College and Post Graduate Institute of Medical Science and Research, Bengaluru
- Junior Resident, Department of Orthopaedics – Gauhati Medical College, Guwahati
- Research Intern, Department of Molecular Reproduction, Development and Genetics – Indian Institute of Science, Bengaluru
Expertise
- Paediatric orthopaedics
- Congenital and developmental orthopaedic conditions in children
- Paediatric orthopaedic trauma
- Deformity correction
- Paediatric hip disorders, including Legg-Calvé-Perthes disease
- Congenital foot deformities and clubfoot management
- Cerebral palsy and neuromuscular disorders
- Skeletal dysplasia
- Musculoskeletal tumours and limb-salvage reconstruction
Research & Publications
- The “CS” 2-wire technique, a novel way to stabilize the unstable pediatric extraarticular radial neck fracture. Accepted for publication in Techniques in Orthopaedics.
- Osteoid osteoma of the distal radius presenting as an inconspicuous swelling in a young child. BMJ Case Reports. 2024;17(4):e259712.
- Functional Outcome of Varus Derotation Osteotomy in Legg-Calvé-Perthes Disease: Can It Be Justified in Late-Presenting Disease? Cureus. 2023;15(12):e49788.
- Pediatric floating knee injuries: Clinical modifiers affecting sports and transfer outcomes. Injury. 2023;54(11):111001.
- Increasing Access to Surgical Education during the COVID Pandemic: Implementation and Outcomes of a Pilot Online Weekend Journal Club in Paediatric Orthopaedics. Annals of Surgical Education. 2021;2(2):1020.
- Reproducibility of Radiographic Measurements Made in the Active Stages of Legg-Calvé-Perthes Disease: Evaluation of a Prognostic Indicator and an Interim Outcome Measure. Journal of Pediatric Orthopaedics. 2021.
- Endoprosthetic Reconstruction in Limb Salvage for Malignant Bone Tumours in Children. Journal of Orthopedics & Orthopedic Surgery. 2021;2(2):4–8.
- Comparison of the functional and radiological outcomes of unstable intertrochanteric fractures treated with dynamic hip screw and proximal femoral nail: A prospective randomized controlled study. International Journal of Orthopaedics Sciences. 2017.
- Treatment of Medial Condyle Fracture of Humerus in Adults. IOSR Journal of Dental and Medical Sciences. 2017;16(6).
- Chondromyxoid Fibroma of Great Toe: A Unique Case Report. IOSR Journal of Dental and Medical Sciences. 2017;16(3).
- Treatment of Fractures of Distal End of Radius Using Ligamentotaxis: A Case Series. IOSR Journal of Dental and Medical Sciences. 2017;16:89–95.
- Compound Radiocarpal Dislocation: A Unique Case Report. IOSR Journal of Dental and Medical Sciences. 2017;16:96–98.
- A homozygous mutation in TRIM36 causes autosomal recessive anencephaly in an Indian family. Human Molecular Genetics. 2017;26:ddx020.
- Functional Outcomes of Internal Fixation of Complex Tibial Plateau Fractures: A Case Series. IOSR Journal of Dental and Medical Sciences. 2016;15:57–64.
- Multiple Giant Cell Tumours of Tendon Sheath of Thumb: A Rare Case Report. IOSR Journal of Dental and Medical Sciences. 2015;14(12):34–37.
- Mutation analysis of the SLC4A11 gene in Indian families with congenital hereditary endothelial dystrophy 2 and a review of the literature. Molecular Vision. 2013;19:1694–1706.
- Clinical phenotype and the lack of mutations in the CHRNG, CHRND, and CHRNA1 genes in two Indian families with Escobar syndrome. Clinical Dysmorphology. 2013;22:54–58.
Achievements
- Completed a Fellowship in Paediatric Orthopaedics at The Hospital for Sick Children, Toronto, Canada
- Presented research on paediatric orthopaedic conditions and treatment outcomes at national and international conferences, including the Paediatric Orthopaedic Society of India annual conference and the European Academy of Childhood Disabilities meeting.
- The CV records runner-up placements in the North East Regional postgraduate quiz in 2015 and 2016.
Academic Exposure
- Worked as Assistant Professor in the Department of Orthopaedics at St. John’s Medical College and Hospital, Bengaluru
- Presented “Ultrasonographic features of healing in patellar tendon shortening surgery – A pilot study” at the 30th Annual Conference of the Paediatric Orthopaedic Society of India and the 34th Annual Meeting of the European Academy of Childhood Disabilities.
- Presented research on paediatric floating knee injuries at the 28th Annual Conference of the Paediatric Orthopaedic Society of India.
- Presented his MS thesis research on Schatzker Type V and VI tibial plateau fractures at the 61st Annual Conference of the Indian Orthopaedic Association.
- Participated in workshops and continuing medical education activities covering spine trauma, Ilizarov ring fixation, clubfoot management, foot and ankle trauma, orthopaedic oncology, and knee and shoulder arthroscopy.
Affiliations & Memberships
- Paediatric Orthopaedic Society of India (POSI)
- Indian Orthopaedic Association (IOA)
- Canadian Orthopaedic Association (COA)
- Global Initiative for Children’s Surgery (GICS)
- Karnataka Orthopaedic Association (KOA)
- Bangalore Orthopaedic Society (BOS)
- Tamil Nadu Orthopaedic Association (TNOA)
Book An Appointment Content
080 6801 6801
080 6801 6901
Cardiac Sciences
Bone and Joint_6a5881022bb72.webp){kind=icon}
Gastrointestinal Sciences
Neurosciences
Renal Sciences
Maa Kauvery (Women and Child Health)
Robotic Surgery
Accident and Emergency Care
Anaesthesiology
Arthroplasty (Joint Replacement Surgeries)
Arthroscopy
Bariatric Surgery_6a586b64865e8.webp){kind=icon}
Cardiology
Cardiothoracic and Vascular Surgery
Critical Care and ICU
Dermatology
Diabetes and Endocrinology
ENT_6a5880f0bf74b.webp){kind=icon}
Medical Gastroenterology
General Surgery
Hand Surgery
