Orthopaedic Surgery for Shoulder, Knee and Sports Injuries in the Midlands
Mark Hamlet FRCS (Orth)
Shoulder knee and sports injuries specialist
​Tel: 01543  481929
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Click here to link to animated knee arthroscopy     ACL Reconstruction    Meniscal Tears

PROCEDURE:An arthroscopy means “looking into a joint” with a camera. It allows the surgeon to examine the knee joint and perform some operations without having to open the knee completely.

You will be visited by your surgeon before your operation. The surgeon will mark (with a felt pen) the leg. This is to make sure the correct leg is operated on. If you have any questions, this is a good time to ask them.

Anaesthetic will be administered in theatre and a tight inflatable band (tourniquet) may be placed across the top of your thigh to limit the amount of bleeding.

Your skin will be cleaned with anti-septic solution and clean towels (drapes) placed around your knee. The surgeon will make up to four small incisions (cuts) either side of the knee cap. These are generally no more than 1 centimetre in length.

Through the first incision, the surgeon can pass a telescope with a camera. This shows pictures on a nearby television screen. The second or third incision may allow tools or drains to be passed into the joint. The tools include probes, shavers, scissors and punches.

The surgeon might not be able to say exactly what needs to be done until they are looking inside the knee. Therefore the consent form is non-specific. It allows the surgeon to treat most abnormalities found during the operation.

Some surgeons close the skin with stitches (non-dissolvable) in which case they will need to be removed around ten days after the operation. Your nurse practitioner at your GP practice can do this for you (make an appointment). When finished, the wounds are dressed and local anaesthetic may be injected into the wounds.

When you wake up, you will have a padded bandage around your knee. Later the same day, when you feel well enough, and you have been shown how to use crutches, you may go home. You should not drive yourself home.

You may remove the padded bandage within a couple of days, but the plasters beneath should remain for around 7 days and the wounds be kept clean and dry. Do not be alarmed if you see small dried spots of blood through the bandage. Any continuing fluid discharge should however be reported to your doctor.

Exercises may be shown to you by the physiotherapist before your discharge. The most important of these are the straight leg raising drills.

You may be able to drive within a week (if your right knee has been operated on then you must be able to stamp firmly on the ground before attempting to drive again) and may return to work as soon as walking long distances is comfortable. Returning to work naturally depends upon your profession.

You may be told to avoid sport for a period of time, but talk to your surgeon after the operation.

***Please be assured that as a private patient your consultant will always perform the operations***

ALTERNATIVE PROCEDURE:If not already done, an MRI scan may be performed. This will however only aid diagnosis of a problem and not treat it.

Physiotherapy may also be of great benefit.

The procedure may also be done purely as an open procedure (an arthrotomy). This involves making a larger cut (incision) and opening the knee joint. This is rarely done now because arthroscopy is so successful and has much fewer complications (in/ by comparison).

 RISKS
As with all procedures, this carries some risks and complications.

COMMON (1-5%)

        Swelling: The knee may fill with fluid or rarer, blood. This usually resolves on its own   however may occasionally require a second operation or draining of the fluid.

        Persistent pain: the symptoms may carry on despite the procedure. A repeat arthroscopy or other knee operation may be required.


RARE (<1%)

        Infection: the wound sites may become red, painful and hot. There may also be a  discharge of fluid. These are signs of infection and can usually be treated by antibiotics. Very rarely, the infection may spread to the knee joint itself (requiring a washout) and/or the blood (sepsis) requiring intravenous antibiotics.

        Damage to structures within  or around the knee: this is rare, but may cause further injury and symptoms. This may need further treatment including operation.


        Damaged instruments: these may break within the knee and require an opening of the joint to remove them.

        Abnormal wound healing: the scar may become thick, red and painful (keloid scar).
 This is more common in Afro-Caribbeans and Asians. There may also be some oozing of clear fluid.

        Numbness: the skin around the knee and shin may be temporarily or more permanently numb due to damage of small superficial nerves.


         Blood clots: a DVT (deep vein thrombosis) is a blood clot in a vein. These may present as red, painful and swollen legs (usually). The risks of developing a DVT are greater after any surgery (and especially bone  surgery). Although they are painful, a DVT can also pass in the blood stream and be deposited in the lungs (a pulmonary embolism –PE). This is a very serious condition which affects your breathing.

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