DR. ONG KEE LEONG

Surgical Fixation of Knee Fractures

Surgical fixation of knee fractures is a procedure that involves the alignment and stabilisation of broken bones in the knee joint using hardware such as screws, plates, rods, or wires. This treatment restores the structural integrity of the knee, allowing for healing and rehabilitation. The procedure addresses fractures in the distal femur (thigh bone), proximal tibia (shin bone), or patella (kneecap) that form the knee joint complex.

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DR. ONG KEE LEONG

Surgical Fixation of Knee Fractures

Surgical fixation of knee fractures is a procedure that involves the alignment and stabilisation of broken bones in the knee joint using hardware such as screws, plates, rods, or wires. This treatment restores the structural integrity of the knee, allowing for healing and rehabilitation. The procedure addresses fractures in the distal femur (thigh bone), proximal tibia (shin bone), or patella (kneecap) that form the knee joint complex.

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Potential Risks and Complications

Surgical fixation of knee fractures may involve several potential complications. These include infection, blood clots, hardware problems such as loosening or irritation, nonunion or malunion of the fracture, knee stiffness, and post-traumatic arthritis. Additional risks relate to anaesthesia, bleeding, and damage to surrounding structures. The surgeon evaluates each patient’s specific risk factors and implements preventive measures accordingly.

Indications for Surgical Fixation

The following conditions typically warrant consideration of surgical fixation for knee fractures based on clinical assessment and imaging results.

  • Displaced Fractures: Fractures where bone fragments have moved out of normal alignment require surgical intervention to restore anatomical position and facilitate healing.
  • Intra-articular Fractures: Fractures extending into the knee joint surface need surgical repair to restore joint congruity and reduce the risk of post-traumatic arthritis.
  • Unstable Fractures: Fractures that cannot maintain alignment with non-surgical methods benefit from internal fixation to prevent movement during the healing process.
  • Open Fractures: Fractures where bone has penetrated the skin require surgical debridement and fixation to reduce infection risk and promote healing.
  • Comminuted Fractures: Multiple bone fragments resulting from high-energy trauma often need surgical reconstruction to restore knee anatomy and function.
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Benefits of Surgical Fixation

  • Anatomical Restoration: Surgery allows for realignment of bone fragments, particularly when dealing with complex fractures involving the joint surface.
  • Early Mobilisation: Internal fixation provides stability that often permits earlier range of motion exercises and weight-bearing, reducing complications associated with prolonged immobilisation.
  • Improved Functional Outcomes: Proper alignment and fixation of knee fractures generally lead to better long-term knee function and reduced risk of post-traumatic arthritis.
  • Reduced Healing Time: Surgical stabilisation creates a favourable environment for bone healing by maintaining fragment position and allowing compression across fracture lines.

Surgical Techniques

Open Reduction Internal Fixation (ORIF)

This common technique involves making an incision to directly visualise the fracture, manually restoring alignment, and securing the bones with hardware such as plates and screws. ORIF is suitable for complex intra-articular fractures requiring reconstruction of the joint surface.

Intramedullary Nailing

This method utilises a metal rod inserted into the medullary canal (hollow centre) of the bone to stabilise fractures, particularly in the distal femur. The nail is secured with screws above and below the fracture site, providing stability while being less invasive than traditional plating techniques.

External Fixation

In this approach, pins or wires are inserted through the skin and into bone fragments, then connected to an external frame. External fixation may be used as a temporary measure for severely comminuted or open fractures, or as a definitive treatment in specific situations.

Medisave & Insurance Shield Plan Approved

For Singaporeans & Singapore Permanent Residents

Certain Orthopaedic procedures are claimable under Medisave, and the exact amount would depend on the complexity of the procedure. For other cases, please speak to our friendly clinic staff about using your insurance plan or Integrated Shield Plan.

Preparing for the Procedure

  • Medical Evaluation: A comprehensive assessment includes physical examination, medical history review, and various tests to evaluate surgical fitness. This evaluation identifies conditions that may affect anaesthesia or recovery and allows for management planning.
  • Medication Adjustments: Certain medications, particularly blood thinners, may need to be temporarily discontinued before surgery. The surgeon will provide instructions on which medications to stop and when, as well as which medications should be continued.
  • Pre-operative Imaging: Detailed X-rays, CT scans or MRI studies are obtained to assess fracture patterns and plan the surgical approach. These images help the surgeon determine the appropriate fixation method and hardware requirements for the specific fracture configuration.
  • Fasting Instructions: Patients must follow guidelines regarding food and fluid intake before surgery. Typically, nothing should be consumed by mouth for 6-8 hours before the scheduled procedure to reduce anaesthesia-related risks.
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Post-Surgical Care and Recovery

  • Hospital Stay: Patients typically remain in hospital for 1-3 days after surgery, during which pain management, wound care, and initial mobilisation are addressed. The length of stay varies based on the complexity of the fracture, overall health, and progress with initial physical therapy.
  • Pain Management: A multimodal approach to pain control typically includes oral medications and, occasionally, patient-controlled analgesia in the early post-operative period. Pain management strategies are adjusted as recovery progresses to balance comfort with avoiding long-term medication dependence.
  • Rehabilitation: Physical therapy begins shortly after surgery with gentle exercises and gradually progresses to more challenging activities. The rehabilitation protocol follows a structured timeline that balances protection of the surgical repair with restoring motion, weight-bearing status, strength, and function.
  • Follow-up: Regular check-ups with the orthopaedic surgeon allow monitoring of fracture healing, hardware position, and functional progress. These visits include radiographic studies and clinical examinations to guide adjustments to the rehabilitation programme as needed.

Step-by-Step Procedure

Anaesthesia Administration

The procedure begins with the administration of either general anaesthesia, which renders the patient unconscious, or regional anaesthesia, which numbs the lower body. The anaesthesiologist monitors vital signs throughout the procedure.

Surgical Approach

The surgeon makes an incision in the appropriate location around the knee, with the size and position determined by the fracture site and planned fixation method. The incision provides access to the fractured bone while protecting surrounding nerves, blood vessels, and soft tissues.

Fracture Reduction

The bone fragments are manipulated into their correct anatomical positions using instruments. This step requires careful attention, particularly for fractures involving the joint surface, where irregularities can lead to post-traumatic arthritis.

Internal Fixation Application

Hardware such as plates, screws, wires, or nails are applied to hold the reduced fracture in position. The hardware configuration depends on the fracture pattern, bone quality, and biomechanical considerations to provide stability during healing.

Wound Closure

After confirming fracture reduction and hardware placement with intraoperative imaging, the surgical site is irrigated and closed in layers. The skin may be closed with sutures, staples, or adhesive strips, and a sterile dressing is applied.

Why Do Patients Choose Dr Ong Kee Leong?

  • Dr. Ong Is Passionate In Sports, Giving Him A Deep Understanding Of Sports-Related Injuries And How They Can Be Treated
  • Personalised And Professional Approach To Deliver High-Quality Orthopaedic Care Based On The Most Up-To-Date Literature
  • Detailed Aftercare Plan To Ensure Smooth, Long-Term Recovery
  • Fellowship Trained Surgeon With 15 Years Of Experience In Orthopaedic Conditions
  • Problem-Oriented, Well-Organised and Individualized Treatment Plans Catered To Your Specific Needs
  • Specialist In The Management Of Sports Injuries And Degenerative Conditions Of The Shoulder And Knee Joints
  • Knowledgeable And Pleasant Clinical Staff To Assist You With Your Every Need Detailed Aftercare Plan To Ensure
  • Our Care Is Conveniently Accessible At Mount Elizabeth Novena and Farrer Park Hospital
  • Minimal Waiting Time For Initial Consultation
  • Assistance With Medical Claims (e.g. Medisave & Integrated Shield Plans)

About Dr. Ong Kee Leong

Senior Consultant, MBBS (Singapore), MMed (Ortho), FRCSEd (Ortho)

Dr. Ong Kee Leong is a fellowship-trained orthopaedic surgeon. He subspecializes in shoulder and knee, foot and ankle, hand wrist and elbow surgeries, arthroscopic sports surgery, and the management of sports-related injuries.

He has been registered with the Singapore Medical Council as a specialist in Orthopaedic Surgery since 2011.

  • MBBS, National University of Singapore (NUS) Faculty of Medicine 2001
  • Member of the Royal College of Surgeons of Edinburgh 2007
  • Master of Medicine in Orthopaedic Surgery (NUS) 2007
  • Fellow of the Royal College of Surgeons of Edinburgh in Orthopaedic Surgery 2011
  • Health Manpower Development Plan (HMDP) Scholarship, Ministry of Health 2012-2013:
  • Sports Surgery and Arthroscopy in Germany (Hannover)
  • Adjunct Assistant Professor, Lee Kong Chian School Of Medicine, Nanyang Technological University
  • Senior Clinical Lecturer, Yong Loo Lin School of Medicine, NUS
Awards & Teaching
  • Dr. Ong had received numerous awards such as Best Service and Eastern Health Alliance Caring (Gold) Awards.
  • He also has an interest in clinical research and has written papers in multiple peer-review journals. As a Core Faculty of Singhealth Orthopaedic Surgery Residency Program, he oversees the training of junior orthopaedic surgeons.
  • Regularly invited to teach local and regional surgeons in Shoulder and Knee Surgery Courses.
  • He is a recipient of multiple teaching awards including the Singhealth Residency Outstanding Faculty Awards from 2014-2016 and Changi General Hospital Outstanding Educator Awards 2015-2016.

Frequently Asked Questions

How long does the surgical procedure take?

The duration varies from 1-4 hours depending on fracture complexity, fixation method, and any additional procedures required. Your surgeon can provide a time estimate based on your particular case.

Will the hardware be removed after healing?

Hardware removal is not routine and is only considered if the implants cause symptoms or problems. Most patients retain their implants permanently without issues, avoiding a second surgery.

What level of function can I expect after recovery?

Most patients achieve good function, but outcomes depend on fracture severity, joint involvement, quality of reduction, and rehabilitation participation. Some residual symptoms or limitations may persist with complex injuries.

How soon can I return to work after surgery?

Return to work timing varies based on occupation demands, with sedentary jobs possible within 2-6 weeks, while physically demanding work may require 3-6 months. Modifications may be needed during the transition period.

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    "Moving your body the way nature intended is a freedom not well appreciated until it is lost. We are passionate about getting you back in the game, and staying in the game. Our team is fully committed to returning you to the life and activities you love."

    Dr. Ong Kee Leong

    Billing & Payment

    Consultation fees are charged based on length of consultation, and start from SGD$200 (within 30 minutes).

    Modes of Payment

    We accept the following modes of payment:

    • Cash
    • PayNow & PayLah
    • All major Credit Cards

    If you are insured and would like to use a Letter of Guarantee (LOG) from the major insurers in Singapore, please contact us and our friendly clinic staff will assist you and provide more information if required.

    Can I Claim Through My Medisave Account? (For Singaporeans and PR)

    Yes, you can. Our Clinic is an accredited day surgery clinic by the Ministry of Health. Singaporeans and Permanent Residents may use their Medisave for eligible orthopaedic inpatient procedures and hospitalizations.

    The exact amount would depend on the complexity of the procedure. If you have any enquiries, feel free to speak to our friendly clinic staff about using your Medisave account.

    Integrated Shield Plans (Singaporeans and PRs)

    Yes, patients who have purchased Integrated Shield plans with riders for co-insurance and deductibles will be able to use them in our clinic for eligible procedures. For more information, contact us to find out if your procedure is claimable.

    The 5 Approved Integrated Shield Insurers are:

    • NTUC Income’s IncomeShield and Enhanced IncomeShield
    • American International Assurance International Co’s (AIA) HealthShield Gold
    • Great Eastern Life Assurance Co’s SupremeHealth and SupremeHealth Plus
    • Prudential Assurance Co’s PRUShield
    • AXA Shield
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