Arthroscopy: Minimally Invasive Joint Procedure
Arthroscopy is a minimally invasive procedure used to examine and treat joints. A small camera allows direct visualization of the interior of the joint.
Things worth knowing about "Arthroscopy"
Arthroscopy is a minimally invasive procedure used to examine and treat joints. A small camera allows direct visualization of the interior of the joint.
What is Arthroscopy?
Arthroscopy is a minimally invasive surgical procedure in which the interior of a joint is examined and treated using a small camera called an arthroscope. The arthroscope is inserted through a small skin incision and transmits live images to a monitor. Additional small incisions allow surgical instruments to be introduced for direct treatment of joint damage.
Arthroscopy is one of the most common orthopaedic procedures and can be performed on various joints, most frequently the knee, but also the shoulder, hip, ankle, elbow, and wrist.
Indications for Arthroscopy
Arthroscopy is used for both diagnostic and therapeutic purposes. Common indications include:
- Damage to the meniscus (e.g., meniscal tear)
- Injuries to the cruciate ligaments (e.g., anterior cruciate ligament rupture)
- Damage to the articular cartilage
- Inflammatory joint diseases such as arthritis
- Loose bodies (detached cartilage or bone fragments within the joint)
- Injuries to the rotator cuff in the shoulder
- Shoulder instability or impingement syndrome
- Unexplained joint pain or limited range of motion
How is Arthroscopy Performed?
The procedure is typically performed under general anaesthesia or regional anaesthesia (e.g., spinal or nerve block anaesthesia). The joint is first filled with sterile saline solution to improve visibility and expand the joint space. Two to three small incisions known as portals are then made. The arthroscope is inserted through one portal, while surgical instruments are introduced through the others as needed.
The surgeon views the transmitted images on a monitor and operates simultaneously. After the procedure, the instruments are removed, the saline solution is drained, and the small wounds are closed with sutures or adhesive strips.
Advantages Over Open Surgery
Arthroscopy offers several advantages compared to conventional open surgery:
- Smaller incisions resulting in minimal scarring
- Lower risk of infection
- Shorter hospital stay – often performed as an outpatient procedure
- Faster recovery and earlier mobilisation
- Less postoperative pain
Possible Risks and Complications
As with any surgical procedure, arthroscopy carries certain risks, although these are generally low:
- Joint infection (septic arthritis)
- Bleeding or accumulation of blood within the joint (haemarthrosis)
- Deep vein thrombosis
- Injury to nerves or blood vessels
- General risks associated with anaesthesia
- Rarely: persistent swelling or stiffness of the joint
Aftercare and Rehabilitation
Recovery depends largely on the type of procedure performed. After a purely diagnostic arthroscopy, patients can often begin weight-bearing within a few days. More extensive corrective procedures – such as cruciate ligament reconstruction or meniscal repair – require a longer rehabilitation period with targeted physiotherapy that may last several weeks to months.
Typical aftercare measures include:
- Elevation and icing of the operated joint
- Pain management with analgesics or anti-inflammatory medications
- Physiotherapy exercises to restore strength and range of motion
- Partial weight-bearing with crutches or splints if required
References
- Deutsche Gesellschaft für Orthopädie und Unfallchirurgie (DGOU): Guidelines on Knee Arthroscopy, 2022.
- Miller, M. D. & Cole, B. J.: Textbook of Arthroscopy. Saunders Elsevier, 2nd edition, 2019.
- National Institute for Health and Care Excellence (NICE): Arthroscopic knee washout, with or without debridement, for the treatment of osteoarthritis. NICE Interventional Procedures Guidance, 2007 (updated 2021).
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