Post-Operative Concerns After Minimally Invasive Knee Replacement Surgery

Minimally Invasive Total Knee Arthroplasty Postoperative Care

My father underwent a total knee replacement at the end of March this year.
He has been consistently participating in rehabilitation since the surgery, and it has been almost four months post-operation.
However, he still experiences some swelling and pain, and he is unable to navigate stairs normally.
Is this considered normal? The doctor initially mentioned the importance of completing the icing and heating therapy, which he did not fully adhere to; could this be a contributing factor? Given that my father’s job requires significant physical labor, including prolonged squatting and frequent stair climbing, he would like to know when he can safely return to work.
Thank you for your assistance.

Eva, 20~29 year old female. Ask Date: 2024/07/19

Dr. Chen Yongxue reply Orthopedics

Hello, the swelling and pain after joint replacement surgery can vary from person to person.
It is quite common within the first three months post-surgery.
Using a knee brace for compression and elevating the affected limb can help improve the condition.
Additionally, diligent rehabilitation is crucial, as it has a significant impact on the subsequent use of the artificial joint.
Thank you.

Reply Date: 2024/07/19

More Info

Post-operative concerns after minimally invasive knee replacement surgery are quite common, and it's important to address them with a comprehensive understanding of the recovery process. Your father's experience of swelling and pain four months after surgery is not unusual, especially considering the nature of knee replacement procedures and the physical demands of his job.

Firstly, it’s essential to recognize that recovery from knee replacement surgery can vary significantly from person to person. Factors such as age, overall health, pre-existing conditions, and adherence to rehabilitation protocols all play a role in the healing process. While many patients may experience significant improvement within the first few months, others may continue to have discomfort and limitations for a longer period.

Regarding your father's symptoms of swelling and pain, these can be attributed to several factors:
1. Inflammation and Healing: After knee replacement surgery, it is normal for the body to undergo a healing process that includes inflammation. This can lead to swelling and discomfort, particularly if the knee is subjected to activities that put stress on it, such as climbing stairs or prolonged periods of standing or squatting.

2. Rehabilitation Protocol: The importance of following a structured rehabilitation program cannot be overstated. Ice and heat therapy are crucial for managing pain and swelling. If your father did not complete the recommended ice and heat therapy regimen, it could contribute to his ongoing discomfort. Ice helps reduce swelling and numbs pain, while heat can promote blood flow and relax muscles. Missing these treatments may hinder his recovery.

3. Activity Level: Given that your father has a physically demanding job, it is vital to balance activity with rest. Engaging in strenuous activities too soon can exacerbate swelling and pain. It is advisable for him to gradually increase his activity level, ensuring that he listens to his body and avoids overexertion.

4. Stair Climbing: Difficulty with stairs is a common issue after knee replacement surgery. It often requires specific strength and range of motion that may take time to develop. If he is struggling with this, it may be beneficial to consult with a physical therapist who can provide targeted exercises to improve strength and mobility in the knee.

5. Return to Work: The timeline for returning to work varies widely based on the nature of the job and the individual's recovery progress. For physically demanding jobs, it may take longer to return to full capacity. A general guideline is that many patients can return to light duties within 6-8 weeks, but for more strenuous work, it may take several months. It is crucial for your father to discuss his specific situation with his orthopedic surgeon or physical therapist to determine a safe and appropriate timeline for his return to work.

In summary, while some swelling and discomfort can be expected four months post-surgery, it is essential for your father to engage in a consistent rehabilitation program, including ice and heat therapy, and to gradually increase his activity level. If his symptoms persist or worsen, it would be wise to consult his healthcare provider for further evaluation and guidance. They may recommend additional imaging or adjustments to his rehabilitation plan to ensure optimal recovery.

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