Treatment / Knee / Knee Arthroscopy

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Knee Arthroscopy

Dr. Andrew Lee, MD | Nevada Spine Clinic, Las Vegas, Nevada

Understanding the Knee Joint

The knee joint contains multiple structures that can develop pathology including the articular cartilage surfaces, menisci, cruciate ligaments, synovial lining, and loose bodies. Knee arthroscopy allows Dr. Andrew Lee to visualize and treat many of these conditions through small incisions using a camera and specialized instruments.

 

Knee arthroscopy has transformed the treatment of many knee conditions by allowing precise diagnosis and treatment with significantly less disruption to surrounding tissues than open surgery.

Conditions Treated with Knee Arthroscopy

  • Loose Bodies: Free cartilage or bone fragments within the knee joint causing pain, locking, and mechanical symptoms.
  • Synovitis: Inflammation of the synovial lining causing knee swelling and pain unresponsive to non-operative treatment.
  • Partial Meniscal Tear: Degenerative or traumatic partial tears not amenable to repair may be treated with partial meniscectomy.
  • Chondral Lesions: Cartilage damage treated with debridement or microfracture depending on lesion characteristics.
  • Plica Syndrome: A fold of synovial tissue causing snapping and pain treated with arthroscopic excision.

Conservative Non-Surgical Care

Most knee conditions treated with arthroscopy are first managed non-operatively with physical therapy, anti-inflammatory medications, and injections. Dr. Andrew Lee at Nevada Spine Clinic in Las Vegas recommends arthroscopy only when appropriate conservative measures have been pursued without sufficient improvement.

Knee Arthroscopy

Knee arthroscopy is performed through two or three small portals around the knee. Dr. Andrew Lee uses a small camera to visualize all compartments and structures within the knee joint, followed by treatment of identified pathology using specialized arthroscopic instruments. This is performed at Southern Hills Hospital in Las Vegas as an outpatient procedure.

The specific procedures performed during knee arthroscopy depend on the pathology identified and may include partial meniscectomy, loose body removal, synovectomy, chondroplasty, microfracture, or a combination of these.

Arthroscopic knee surgery offers the advantages of reduced blood loss, smaller incisions, faster recovery, and lower infection risk compared to open surgical approaches.

The primary goals of this procedure are to:
  • Identify and treat the source of knee pain and mechanical symptoms
  • Remove loose bodies or damaged tissue causing symptoms
  • Improve knee function and allow return to activity
  • Preserve as much healthy tissue as possible

Potential Risks

  • Nerve injury: Low risk with standard arthroscopic technique.
  • Infection: Small but present risk with any surgical procedure.
  • Blood clots: Risk following knee surgery. Preventive measures are taken.
  • Stiffness: Post-operative stiffness can develop.
  • Incomplete treatment: Occasionally the source of pain is not fully addressable arthroscopically.

Postoperative Recovery and Rehabilitation

Recovery following knee arthroscopy varies based on procedures performed. Simple meniscectomy or loose body removal typically allows return to light activity within one to two weeks.

Microfracture requires six weeks of non-weight-bearing to allow cartilage healing. Physical therapy is customized to the specific procedures performed.

What to Expect After Surgery

Knee pain relief following arthroscopy is typically experienced within the first few weeks as post-operative swelling resolves.

Most patients return to daily activities quickly following simple arthroscopic procedures. Recovery timelines for more complex procedures are discussed with Dr. Lee before surgery.

Do not soak your wound.

No bathtub, swimming, or hot tub until cleared by Dr. Lee.

Wound Care and Medication Management

Arthroscopic portal wounds are small and heal quickly. Keep them dry until cleared by Dr. Lee.

Ice and elevation are helpful for managing post-operative swelling. Take medications as prescribed.

Activity Guidelines After Surgery

Weight bearing and activity restrictions depend on the specific procedures performed. Dr. Lee reviews these at discharge.

Contact Nevada Spine Clinic or go to the emergency room for sudden severe knee pain, significant swelling, fever, or wound changes.

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No bathtub, swimming, or hot tub until cleared by Dr. Lee.

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Dr. Andrew Lee, MD | Nevada Spine Clinic, Las Vegas

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