Post-Surgery Hand Numbness: When to Seek Medical Attention?

Postoperative hand numbness?

Recently, I underwent general anesthesia for surgery.
The first attempt to insert a peripheral intravenous catheter was on the lateral side of my wrist (at the extension of the thumb), but the vein was not successfully accessed.
I experienced a pain that felt deeper than a typical injection, with a more intense aching/stinging sensation.
After the surgery, when I press on the insertion site, I feel a tingling sensation in my index finger that connects to the back of my hand, similar to an electric shock.
Doctor, do I need to visit the hospital for this, or will it resolve on its own after some time? Thank you.

Zhao, 30~39 year old female. Ask Date: 2022/06/29

Dr. Jiang Junyi reply Neurology

Dear Ms.
Zhao,
You mentioned experiencing a tingling sensation in your index finger that feels like an electric shock at the back of your hand.
I would like to know if you have also noticed any weakness in your wrist or fingers.
Your symptoms may indicate that the sensory fibers of the radial nerve are affected.
Clinically, peripheral nerve injuries are often diagnosed using electrophysiological studies.

Nerve conduction studies assess the conduction velocity and waveform of large fiber nerves.
Electromyography (EMG) evaluates the muscle response in the area supplied by the affected nerve.
Such sensory abnormalities typically resolve gradually over time (approximately 2-4 weeks).
However, if your sensory disturbances expand to a larger area or are accompanied by muscle weakness, I recommend that you visit a neurology clinic for a neurological examination and treatment.
Thank you for your inquiry, and feel free to discuss any related questions.
Wishing you good health and happiness.
Dr.
Jiang Junyi, Taoyuan Medical Center

Reply Date: 2022/06/29

More Info

After undergoing general anesthesia and experiencing discomfort at the site where an intravenous (IV) catheter was inserted, it is understandable to be concerned about the symptoms you are describing. The sensations of deep aching, tingling, or a "shocking" feeling in the fingers can indicate a potential issue with the nerves or surrounding tissues.
Firstly, it is important to recognize that the insertion of an IV catheter can sometimes lead to complications, particularly if the catheter was not placed correctly. If the catheter was inserted improperly, it may have caused irritation or damage to the surrounding nerves, particularly the radial nerve, which runs along the wrist and can affect sensation in the hand and fingers. The symptoms you describe, such as the tingling sensation that feels like an electric shock, could be indicative of nerve irritation or neuropathy.

In general, post-operative numbness or tingling can be a common occurrence, especially if there was any trauma to the area during the procedure. Many patients experience transient nerve irritation that may resolve on its own within a few days to weeks. However, if the symptoms persist or worsen, it is crucial to seek medical attention.
Here are some guidelines to help you determine when to seek medical attention:
1. Duration of Symptoms: If the numbness or tingling does not improve within a few days or if it worsens, it is advisable to consult a healthcare professional. Persistent symptoms may require further evaluation.

2. Accompanying Symptoms: If you experience additional symptoms such as weakness in the hand or fingers, loss of coordination, or significant pain that disrupts your daily activities, you should seek medical attention promptly.

3. Extent of Numbness: If the numbness spreads beyond the initial area or affects other parts of your hand or arm, this could indicate a more serious issue that needs to be addressed.

4. Impact on Functionality: If you find that your ability to use your hand is compromised, such as difficulty gripping objects or performing daily tasks, it is important to get evaluated.

5. Consulting a Specialist: If you are unsure about the severity of your symptoms, it may be beneficial to consult a neurologist or a specialist in peripheral nerve injuries. They can perform diagnostic tests, such as nerve conduction studies or electromyography (EMG), to assess the function of your nerves and determine the best course of action.

In conclusion, while some degree of numbness or tingling can be expected after surgery, especially following an IV insertion, it is essential to monitor your symptoms closely. If they persist or worsen, or if you experience any additional concerning symptoms, do not hesitate to seek medical attention. Early intervention can help prevent further complications and facilitate a more effective recovery. Always prioritize your health and well-being, and trust your instincts when it comes to seeking care.

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