Rehabilitation After Knee Fracture Surgery: When to Start? - Orthopedics

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After a patellar fracture that requires surgical repair with pins, is rehabilitation necessary?


Hello Dr.
Chou,
My mother slipped and fell at home in early April, resulting in a fracture of the upper part of her knee bone.
She received immediate medical attention, underwent surgery for repair, and had a cast applied.
The stitches were removed and the cast was taken off ten days later.
Currently, the surgical site occasionally experiences pain, and she is using assistive devices for walking, but she cannot bend her knee.
I am unsure if she needs rehabilitation, and if so, when she can start.
Thank you for your response!

Ms. Ca, 30~39 year old female. Ask Date: 2004/05/05

Dr. Zhou Lizhi reply Orthopedics


Patellar fractures depend on the degree of comminution and displacement.
If properly stabilized, casting may not be necessary; however, in cases of comminuted fractures or in patients with osteoporosis, casting is required.
Based on the information from online sources, this appears to be a more severe fracture.
Even after the cast is removed after a month and a half, rehabilitation should ideally involve self-directed activities rather than relying on others for rehabilitation, to avoid the risk of re-fracturing the affected area.

Reply Date: 2004/05/05

More Info


Rehabilitation after knee fracture surgery is a critical aspect of recovery that can significantly influence the overall outcome. In your mother's case, where she suffered a fracture in early April and underwent surgical repair followed by a period of immobilization in a cast, it is essential to approach rehabilitation thoughtfully and systematically.

When to Start Rehabilitation:
Typically, rehabilitation should begin as soon as it is deemed safe by the orthopedic surgeon. In many cases, this can start shortly after the cast is removed, which seems to be the case for your mother since her cast was removed ten days post-surgery. However, the exact timing can vary based on several factors, including the type of fracture, the surgical procedure performed, and the individual’s overall health status.

1. Initial Phase (0-2 weeks post-cast removal):
- During this period, the focus should be on gentle range-of-motion exercises to prevent stiffness. It is crucial to avoid any aggressive movements that could jeopardize the healing process.
- If your mother is experiencing pain, it may be a sign that she is pushing too hard. Pain management is essential, and she should consult her physician if the pain persists.

2. Early Rehabilitation (2-6 weeks post-cast removal):
- Once the initial pain subsides and the surgeon gives the green light, she can begin more structured rehabilitation. This may include physical therapy sessions focusing on gentle stretching and strengthening exercises.

- The goal during this phase is to gradually restore range of motion and begin strengthening the muscles around the knee, particularly the quadriceps and hamstrings, which are crucial for knee stability.

3. Progressive Rehabilitation (6 weeks and beyond):
- As her strength and range of motion improve, the rehabilitation program can become more intensive. This may include weight-bearing exercises, balance training, and functional activities to prepare her for daily tasks.

- If she is still unable to bend her knee, it is vital to work closely with a physical therapist who can provide tailored exercises to facilitate this movement safely.

Importance of Rehabilitation:
Rehabilitation is essential not only for restoring function but also for preventing complications such as joint stiffness, muscle atrophy, and decreased mobility. Engaging in a structured rehabilitation program can help your mother regain her independence and improve her quality of life.

Home Exercises:
While waiting for formal rehabilitation to begin, there are some gentle exercises she can perform at home, provided they do not cause pain:
- Ankle Pumps: While sitting or lying down, she can flex and point her toes to promote circulation.

- Quadriceps Sets: While sitting, she can tighten her thigh muscles and hold for a few seconds, then relax.

- Heel Slides: While lying down, she can slowly slide her heel towards her buttocks, bending her knee gently.

Consultation with Healthcare Providers:
It is crucial for your mother to maintain regular follow-ups with her orthopedic surgeon and physical therapist. They can monitor her progress, adjust her rehabilitation plan as needed, and ensure that she is on the right track to recovery.

In summary, starting rehabilitation after knee fracture surgery is vital for recovery. It is generally safe to begin gentle exercises shortly after the cast is removed, with a more structured program following as healing progresses. Close communication with healthcare providers will ensure that your mother receives the best care tailored to her specific needs.

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