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Posted on Apr 19, 2022

Osteoarthritis knee

Osteoarthritis knee

The knee joint is one of the most important joints in the human body. It is a synovial joint that has smooth cartilage on both surfaces & synovial fluid inside the knee joint. Smooth knee movements require healthy cartilage. The knee joint is supported by various ligaments & meniscus (shock-absorbing pads).

Osteoarthritis of the knee joint is a very common entity in the age group from above 60 years. More common in females. It means degeneration or wearing out of smooth cartilage surface which leads to pain, swelling, difficulty in walking, climbing & going downstairs, getting up from squatting position & decreased overall functional activities.

 

osteoarthritis knee

Various causes are

  1. Age -with increasing age increased wear and tear causes damage to knee cartilage.
  2. Genetics-family history is contributory.
  3. Obesity-one of the major causes.
  4. injury to knee joint-sports injury to cartilage, meniscus, ligament which are neglected or fractures not treated well.
  5. Rheumatoid arthritis etc

Preventive measures are

  1. Regular exercise which includes cycling, quadriceps strengthening, swimming.
  2. Weight management – reduction in weight causes a significant improvement in knee pain by decreasing load on knee joints.
  3. Regular supplements – this includes vitamin D, calcium & collagen supplements.
  4. Physiotherapy – conservative management includes physio exercises like SLR, static quads, VMO strengthening.

When to operate

  1. When all conservative treatment fails with no improvement.
  2. The patient is not able to walk to do daily household activities.
  3. Increasing weight due to inactivity.
  4. Regular falls with low confidence.

Surgery

Total knee replacement

It is a very safe procedure done routinely under regional anesthesia. The damaged surface of the femur, tibia & patella are minimally removed and high-quality artificial surfaces are implanted with help of bone cement. Currently, computer navigation is used which increases accuracy & decreases blood loss which helps in early recovery.

Unicompartmental knee replacement

Here only one compartment medial or lateral is replaced. It is usually done in younger patients with only one compartment arthritis usually medial with intact ACL, PCL ligaments

Post operate rehabilitation

The patient is made to walk from the very same day. The patient is taught to use the washroom & stairs so that he/she becomes independent & confident to regain normal functional life.