Minimally Invasive Knee Replacement with Subvastus Technique
Minimally invasive knee replacement using the subvastus approach is a surgical technique designed to reduce tissue trauma and improve recovery times for patients undergoing total knee arthroplasty (TKA). In this approach, the surgeon avoids cutting through the quadriceps muscle, which is typically involved in more traditional knee replacement procedures. Here's an overview of this technique:
Features of the Subvastus Approach:
- Minimally Invasive: The incision is typically smaller than in standard knee replacement surgeries, usually about 3 to 4 inches in length. This minimizes tissue disruption and reduces postoperative pain.
- Muscle-Sparing: The subvastus technique preserves the quadriceps muscle (the vastus medialis, in particular), which is crucial for early mobilization and faster recovery. By sparing this muscle, the approach avoids the need to cut through it, leading to less postoperative muscle weakness.
- Quicker Recovery: Patients often experience a quicker recovery with less pain compared to traditional knee replacements. Early return to function, less time in the hospital, and reduced reliance on pain medications are common benefits.
- Better Knee Function: Since the quadriceps tendon remains intact, patients may experience better knee function and stability sooner after surgery. This muscle-sparing technique helps patients regain their range of motion and strength more quickly.
- Reduced Complications: The subvastus technique may lead to fewer complications related to wound healing and infection, as the smaller incision and limited disruption of the surrounding tissues promote better healing.
- Patient Selection: This approach is ideal for patients with a relatively healthy body weight, good muscle tone, and minimal deformities in the knee joint. Patients with severe knee deformities, obesity, or significant muscle weakness might not be suitable candidates.
Advantages of the Subvastus Approach:
- Faster rehabilitation and return to daily activities.
- Less postoperative pain and swelling.
- Minimal disruption to the muscle and soft tissues.
- Early mobilization and weight-bearing after surgery.
Challenges or Limitations:
- Requires high surgical skill and experience.
- Not suitable for all patients, especially those with significant knee deformity or complex knee joint issues.
If you would like to have additional information contact Dr. Vipul Shet, serving communities and people from all walks of live.
