Post-Operative Hip Replacement: Numbness and Recovery Time - Orthopedics

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Postoperative hip joint care


Hello, doctor.
I underwent left hip replacement surgery at the end of November last year.
After the surgery, I did not experience any numbness in my foot or toes.
However, after my right hip replacement in April this year, I noticed numbness in my foot upon returning home from the hospital.
The doctor mentioned that it could be due to the anesthesia not fully wearing off.
Is it possible for the anesthesia to still not be completely out of my system by the time of discharge? Should I seek any assistance, or should I just wait it out? Thank you.

Yixue, 50~59 year old female. Ask Date: 2024/04/03

Dr. Shi Guozheng reply Orthopedics


The occurrence of numbness in the leg after hip joint surgery may be related to the sciatic nerve.
If foot movement is normal, it indicates that there is only slight compression of the sensory nerve.
However, if there is a drop foot phenomenon, further examination and treatment are necessary.

Reply Date: 2024/04/03

More Info


After undergoing hip replacement surgery, it is not uncommon for patients to experience various sensations, including numbness or tingling in the legs and feet. This can be particularly concerning, especially if it occurs after a second surgery, as in your case. Let's break down your concerns regarding the numbness and recovery time following your recent hip replacement surgery.

Firstly, it is important to understand that the use of anesthesia during surgery can lead to temporary sensations such as numbness or tingling. Anesthesia, particularly regional anesthesia like spinal or epidural blocks, can affect nerve function temporarily. It is possible for these sensations to persist for a short period after the surgery as the anesthetic wears off. Typically, the effects of anesthesia should diminish within a few hours to a few days post-surgery. However, if you are still experiencing numbness weeks after the procedure, it may warrant further investigation.

In your case, since you had your right hip replaced in April and are experiencing numbness in your foot, it could be related to several factors. One possibility is that the surgical procedure itself may have caused some temporary nerve irritation or compression. This can happen during surgery due to positioning or manipulation of tissues. Another consideration is that if you had any pre-existing conditions affecting your nerves, such as diabetes or peripheral neuropathy, these could also contribute to prolonged numbness.

Regarding your question about whether the anesthesia could still be affecting you upon discharge, it is unlikely that the anesthetic would still be in your system at that point. However, the residual effects of surgery, including swelling and inflammation, can impact nerve function and lead to sensations of numbness or tingling.

As for your recovery timeline, it is essential to follow your surgeon's recommendations regarding rehabilitation and physical therapy. Typically, the critical period for recovery after hip replacement surgery is within the first three months. During this time, you should focus on gentle range-of-motion exercises and gradually increase your activity level as tolerated. If you have not yet started physical therapy, it may be beneficial to do so, as a physical therapist can provide tailored exercises to help improve strength, flexibility, and overall function.

If the numbness persists beyond a few weeks or worsens, it would be wise to consult with your orthopedic surgeon or a neurologist. They may recommend imaging studies, such as an MRI or nerve conduction studies, to assess for any underlying issues that may need to be addressed.

In the meantime, here are some suggestions to help manage your symptoms and support your recovery:
1. Gentle Movement: Engage in light activities as tolerated. Gentle movements can help improve circulation and reduce swelling, which may alleviate some of the numbness.

2. Physical Therapy: If you haven't already, consider starting physical therapy. A therapist can guide you through exercises that promote healing and strengthen the muscles around your hip.

3. Pain Management: If you are experiencing discomfort alongside numbness, discuss pain management options with your healthcare provider. They may recommend medications or other therapies to help.

4. Monitor Symptoms: Keep track of your symptoms, including when they occur and any changes. This information can be valuable for your healthcare team in determining the best course of action.

5. Follow-Up Appointments: Attend all scheduled follow-up appointments with your surgeon. They will monitor your recovery and can address any concerns you may have.

In conclusion, while some numbness can be a normal part of the recovery process following hip replacement surgery, persistent or worsening symptoms should be evaluated by a healthcare professional. Your recovery is a journey, and with the right support and rehabilitation, you can achieve a successful outcome.

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