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Five nerve roots from the spinal cord form the brachial plexus.
These fibers carry signals from the brain to the muscles. They let people move and feel their shoulders, arms, and fingers.
Brachial plexus palsies in infants most often occur from a tough or lengthy birth.
They can also occur when a large baby must tilt their head to bring their shoulders through the birth canal. When this happens, they may stretch or disconnect some of these nerves.
When healing, the nerve may form internal scar tissue (neuroma).
This scar tissue may slow down or block signals from the spinal cord to the muscles. This can lead to problems with movement or sensation.
Nerve fibers can also become bruised, stretched, or even disconnected from force or pulling, such as from:
This may also make the muscles those nerves send signals to get weaker or stop working altogether.
On average, nerves repair themselves at a rate of about 1 millimeter per day or 1 inch per month. This process can take many months.
Sometimes, if the nerve has become severed, it can't repair itself. In this case, the muscle will not work, no matter how much time passes.
How severe a brachial plexus palsy is depends on:
Although the brachial plexus comprises 5 nerve roots, for most babies, damage only occurs in the first 2 nerves. When this happens, the shoulder and/or elbow muscles these nerves reach may become weak or not work at all.
This can lead to an issue called Erb's palsy. If all of the nerve roots become affected, then your child may find they can't move their arm at all.
When your child pulls or stretches more than one nerve, they may not heal. This may lead to an internal nerve scar (neuroma).
The muscle becomes weak, causing a loss of function. If your child doesn't regain most function within 9 months, surgery to repair their affected nerve or nerves may help.
It's often hard to predict whether the arm will have long-term decreased function. It's a good sign if the arm starts working again quickly. Most often, muscle strength comes back during the first year of your child's life.
We'll follow your child as they heal to help with the process and decide which treatment is best. Regular visits are helpful in ensuring that your child is recovering well.
Even if they don't recover complete function, most kids find they can use their arms and hands in daily life.
At the UPMC Children's Brachial Plexus Clinic, our team makes sure:
To make an appointment or learn more about our program, call us at 412-692-8650.
Children's Hospital's main campus is located in the Lawrenceville neighborhood. Our main hospital address is:
UPMC Children’s Hospital of Pittsburgh One Children’s Hospital Way 4401 Penn Ave. Pittsburgh, PA 15224
In addition to the main hospital, Children's has many convenient locations in other neighborhoods throughout the greater Pittsburgh region.
With MyCHP, you can request appointments, review test results, and more.
For questions about a hospital bill call:
To pay your bill online, please visit UPMC's online bill payment system.
Interested in giving to Children's Hospital? Support the hospital by making a donation online, joining our Heroes in Healing monthly donor program, or visiting our site to learn about the other ways you can give back.