MINIMALLY INVASIVE KNEE REPLACEMENT - PowerPoint PPT Presentation

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MINIMALLY INVASIVE KNEE REPLACEMENT

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A surgical procedure done to replace the weight bearing areas of the knee by invading the knee in minimally invasive manner through a 2 to 3 inch incision, with less cutting of skin – PowerPoint PPT presentation

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Title: MINIMALLY INVASIVE KNEE REPLACEMENT


1
MINIMALLY INVASIVE KNEE REPLACEMENT
  • MIS as an alternative to knee replacement surgery

2
  • A surgical procedure done to replace the weight
    bearing areas of the knee by invading the knee in
    minimally invasive manner through a 2 to 3 inch
    incision, with less cutting of skin.
  • The damaged part of knee is taken out and an
    artificial prosthesis is placed inside.

3
  • This method is a great alternative to knee
    surgery for patients with arthritis or other
    disabilities due to its advantage of using modern
    biomaterials and making smaller incisions when
    compared to total knee replacement.

4
What makes minimally invasive knee surgery more
useful?
  • As the name suggests, the cut made is only 2 to 3
    inches which spares surrounding soft tissues from
    surgical trauma and further damage
  • The artificial implants are designed in such a
    manner that they align themselves to give more
    mobility and range of motion

5
Surgical Equipment
  • The surgical equipment's are
  • improved
  • guidance through by robotics
  • computer navigation
  • Expert surgeons

6
MIS offers
  • Minimum need for the patient to stay in the
    hospital
  • Speedy recovery
  • The procedure is sometimes performed on
    outpatient department
  • The treatment is carried with least possible
    damage to the body
  • Risks of infections are reduced

7
Results
  • MIS gives better results when it comes to
  • movement
  • walking
  • climbing stairs and
  • other chores of daily routine

8
When is MIS indicated?
  • MIS can be chosen as an alternative to knee
    surgery if the patients suffer from advanced
    osteoarthritis after 50 years of age, with or
    without deformity.
  • MIS is good as a choice

9
  • In cases of excruciating pain, where other
    conservative methods like medicines or physical
    therapy have failed to give any relief
  • Apart from this, the surgeon may also suggest the
    same when patient finds difficulty in everyday
    activities like using toilet, kneeling, forward
    bending or walking.

10
How is minimally invasive surgery performed?
  • Orthopedic surgeon performs a physical
    examination including
  • Range of motion testing
  • X-ray
  • Patients complete medical history and
  • Discussing alternatives with the patient about
    minimally invasive surgery.
  • The aim of MIS is to provide more stability and
    early recovery to the knee joint.

11
  • The procedure is done by making a small incision
    in the quadriceps muscle tendon. Quadriceps aides
    in standing, walking, knee straightening etc.
    Therefore the procedure also preserves the
    function of this muscle. After the knee joint is
    exposed, the knee cap is simply pushed aside
    unlike traditional surgery when the knee cap was
    turned over. The damaged areas are scraped,
    removed and the modern prosthesis is placed
    inside.

12
What are the side effects of MIS?
  • The common side effect is dislodgement of a clot
    from leg veins to the arteries of heart or lungs
    and producing severe complications and even
    death. This can be taken care by wearing a
    compression stocking.
  • A poor implant size with large or thin spacers
    can also make adjustment of prosthesis difficult
    as they would not match the size of the joint.
    Not only this, the implant may loosen from its
    original position due to an accident, fracture,
    osteoporosis and in advanced rheumatoid
    arthritis.

13
  • A common complication may arise when exercises
    are not started in time and patient suffers with
    knee stiffness or limited bending of the knee.
  • This often results when there is scarring or
    formation of thick adhesions in the joint cavity.
    There could also be chances of infection
    precipitating in a few days after surgery if it
    is not done sterile conditions.
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