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Klumpke paralysis; Erb-Duchenne paralysis; Erb's palsy
Brachial palsy is a loss of movement or weakness of the arm that occurs when the collection of nerves around the shoulder are damaged during birth.
This bundle of nerves is called the brachial plexus.
The nerves of the brachial plexus can be injured during a difficult delivery from:
There are different forms of brachial palsy in an infant. The type depends on the degree of arm paralysis:
The following increase the risk of brachial palsy:
Brachial palsy is less common now that delivery techniques have improved. Cesarean delivery is used more often when there are concerns about a difficult delivery.
Brachial palsy may be confused with a condition called pseudoparalysis. The infant has a fracture and is not moving the arm because of pain, but there has been no damage to the nerves.
Fenichel GM. Trauma and vascular disorders. In: Fenichel GM, ed. Neonatal Neurology. 4th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2006:chap 5.
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