Knee Arthroscopy Specialist

Knee arthroscopy involves an accredited surgeon using specialized instruments and a camera inserted through tiny incisions around the knee to explore and address various joint conditions.

  • Are your knee pain symptoms affecting your quality of life? Consult our MOH-accredited knee arthroscopy specialist for a comprehensive diagnosis of your condition & a personalised treatment plan.
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Dr Poh Seng Yew



MMED (Ortho)



What Is Knee Arthroscopy?

Knee arthroscopy is a minimally invasive surgical procedure used to diagnose and treat issues within the knee joint. Through small incisions, an orthopaedic surgeon inserts an arthroscope equipped with a camera, allowing for detailed examination and treatment of knee problems with reduced recovery time and lower risk of complications.

Conditions Treated with Knee Arthroscopy

Knee arthroscopy is a versatile procedure utilized to address a variety of knee conditions, offering patients an effective treatment option with generally quicker recovery times compared to open surgery.

  • Meniscal Tears, ACL and PCL Injuries
    This procedure is effective in treating meniscal tears, which are common knee injuries affecting the cartilage that stabilizes and cushions the knee joint. Additionally, knee arthroscopy is frequently used to repair or reconstruct anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) injuries, crucial for knee stability and function​​.
  • Synovitis and Other Inflammatory Conditions
    Arthroscopy can be used to diagnose and treat synovitis, a condition characterized by inflammation of the synovial membrane in the knee, reducing pain and restoring mobility. It’s also beneficial in managing other inflammatory conditions of the knee joint​​​​.
  • Loose Bone and Cartilage Removal
    Small fragments of bone or cartilage that become loose and float within the knee joint can cause pain, swelling, and impaired movement. Arthroscopy allows surgeons to effectively remove these loose bodies, providing relief from symptoms and preventing further joint damage​​​​.
  • Patella (Kneecap) Problems and Knee Sepsis
    The procedure is also utilized in treating various kneecap problems, including misalignment or dislocation. In more severe cases, knee arthroscopy can be employed to treat knee sepsis, an infection in the knee joint, by draining infected material and improving patient outcomes​​.

Preparing for Knee Arthroscopy

Proper preparation for knee arthroscopy involves several steps.

  • Initial Evaluations and Tests: Before undergoing knee arthroscopy, patients typically undergo a thorough health assessment. This may include a physical examination and a review of the patient’s medical history. Preoperative tests, such as blood tests or an electrocardiogram (EKG), might be ordered to assess the patient’s overall health and readiness for surgery. These evaluations help in identifying any potential issues that could affect the surgery​​​​.
  • Medication Management: Patients must inform their orthopaedic surgeon about all medications and supplements they are currently taking. Some medications, especially those that can affect blood clotting (like aspirin, ibuprofen, and certain blood thinners), may need to be stopped or adjusted before the surgery.
  • Instructions To Follow Before Procedure: Patients typically will receive specific instructions regarding the preparation for the day of the surgery, including what time to arrive at the hospital or surgery center. Your orthopaedic surgeon may also provide instructions about fasting (not eating or drinking) before the procedure.
  • Anesthesia Options: The type of anesthesia used during knee arthroscopy varies based on the specific situation and patient preferences. The orthopaedic surgeon and anesthesiologist will discuss the most suitable option with the patient.

The Surgical Procedure (Knee Arthroscopy)

Knee arthroscopy is a sophisticated surgical procedure that involves several key steps to ensure effective treatment of various knee conditions:

Positioning and Anesthesia Administration

Once the patient is in the operating room, they are positioned in a way that gives the surgeon optimal access to the knee. Anesthesia is then administered, with the type depending on various factors such as the length of the procedure, the patient’s health, and personal preference.

Incision, Insertion of Arthroscope, and Joint Examination

The procedure starts with the surgeon making small incisions in the knee, typically about the size of a buttonhole. Through these incisions, the arthroscope—a small camera—is inserted into the knee joint. The camera relays images to a monitor, allowing the surgeon to examine the inside of the knee joint in great detail. This examination helps the surgeon identify any damage or issues within the joint that need addressing​​​​.

Surgical Repairs and Techniques

Based on the findings from the arthroscope, the surgeon may perform various repairs or corrections. This might include repairing or reconstructing ligaments, removing or repairing damaged cartilage, trimming inflamed synovial tissue, or removing loose fragments of bone or cartilage. The surgeon uses specialized instruments inserted through the incisions to carry out these procedures.

Closing the Incisions

After completing the necessary repairs, the surgeon removes the arthroscope and other instruments from the incisions. These incisions are then closed with stitches or small bandages. The area is usually wrapped with a larger bandage or dressing to protect the knee as it begins to heal​​​​.

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Fix Your Knee Pain With Knee Arthroscopy

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Postoperative Care and Recovery After Knee Arthroscopy

Proper aftercare, rest, physical therapy & rehab ensure a smooth recovery and return to normal activities.

  • Immediate Aftercare - Pain Management and R.I.C.E. Method: After knee arthroscopy, patients typically experience some pain and swelling. Immediate aftercare focuses on managing these symptoms. Pain can be managed with prescribed medications or over-the-counter pain relievers. Resting and avoiding putting weight on the knee, icing the knee to reduce swelling, using compression bandages, and elevating the leg above heart level are all beneficial strategies in the initial days following surgery​​​​.
  • Use Of Assistive Devices - Patients are usually advised to limit activities that put stress on the knee for several days to weeks post-surgery. This might include avoiding weight-bearing activities and using crutches or a walker.
  • Caring For The Incision - Keeping the incision clean and dry is recommended for preventing infection. The surgeon will provide specific instructions on how to care for the surgical site, including how to bathe and when to change bandages. If a brace or sling is required, the surgeon will advise on how and when to use it​​​​.
  • Physical Therapy and Rehabilitation - Patients may be referred to a physical therapist to begin exercises that will help strengthen the knee and restore range of motion. The specific rehabilitation program will depend on the type of surgery performed and the patient's overall health.
  • Long-term Outlook - The long-term prognosis after knee arthroscopy varies depending on the underlying condition treated and the patient’s overall health. Most patients experience a significant improvement in knee function and a reduction in pain.
  • Return To Normal Activities - The timeline for returning to normal activities or sports also varies, but many patients can expect to resume their regular activities within weeks to a few months. Patients should follow their surgeon's advice on when it's safe to return to specific activities​​​​.

Risks and Complications Of Knee Arthroscopy

While knee arthroscopy is generally considered a safe procedure, as with any surgery, there are potential risks and complications that patients should be aware of:

  • Infection: Although rare, infections can occur at the incision sites or within the knee joint. To minimize this risk, proper sterile techniques are used during surgery and patients are given instructions on how to care for their incisions to prevent infection.
  • Bleeding: Some bleeding within the knee joint may occur, but significant bleeding is uncommon.
  • Blood Clots: There is a small risk of developing blood clots in the leg veins after knee surgery. Preventative measures, such as early mobilization and, in some cases, blood-thinning medications, may be recommended​​​​.
  • Nerve or Vessel Injury: In very rare cases, nerves or blood vessels around the knee may be injured during surgery. This can lead to numbness or circulatory problems in the leg.
  • Knee Stiffness: Some patients may experience stiffness in the knee after arthroscopy, especially if the knee was already stiff before the procedure​​​​.
Managing Complications and When to Seek Medical Assistance
  • Proper Postoperative Care: Following the surgeon’s postoperative instructions carefully can help minimize the risk of complications.
  • Monitoring For Warning Signs: Patients should be aware of signs that could indicate a complication, such as increasing pain, swelling, redness, fever, or unusual drainage from the incision sites. If these symptoms occur, it’s important to contact the healthcare provider immediately.
  • Attending Follow-up Appointments: Attending follow-up appointments allows the surgeon to monitor the healing process and address any concerns early.

Dr Poh Seng Yew



MMED (Ortho)


With over 20 years of experience, Dr Poh Seng Yew is an orthopaedic surgeon specialising in hip, knee, shoulder and elbow surgery, sports medicine, and trauma surgery.

  • Former Director of Sports Service, Department of Orthopaedic Surgery, Singapore General Hospital
  • Clinical Hip and Sports Medicine Fellow, Orthopädische Chirurgie München (OCM), Germany
  • Fellow, Royal College of Surgeons of Edinburgh, FRCSEd (Orthopaedic Surgery)
  • Master of Medicine (Orthopaedic Surgery), National University of Singapore
  • Member, Royal College of Surgeons of Edinburgh (MRCSEd)
  • Bachelor of Medicine, Bachelor of Surgery (MBBS), National University of Singapore



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38 Irrawaddy Road, #08-62/63
Singapore 329563

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Fix Your Knee Pain Effectively With Knee Arthroscopy

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    Mount Elizabeth Novena Specialist Centre
    38 Irrawaddy Road, #08-62/63
    Singapore 329563

    FAQs About Knee Arthroscopy

    How long will I need to use crutches after knee arthroscopy?

    The duration for using crutches varies. Some patients may need them for only a few days, while others might need them longer, depending on the surgery’s extent and the individual’s healing process.

    Can I drive immediately after undergoing knee arthroscopy?

    Patients are usually advised not to drive until they can bend their knee enough to sit in a car and have sufficient control to operate the pedals. Your surgeon will advise based on your specific case.

    When can I return to sports after knee arthroscopy?

    Returning to sports depends on the type of procedure performed and how well your knee heals. It can range from a few weeks to several months. Your surgeon will provide a more specific timeline.