Neonatal brachial plexus injury may be caused by excessive strain on the brachial plexus nerve during vaginal delivery, which can be categorized into upper arm, middle arm and lower arm according to the damaged parts, and is mainly manifested as upper limb movement disorder and difficulty in holding hands.
Neonatal brachial plexus nerve injury may be due to vaginal delivery process due to difficult labor, breech position or shoulder delivery difficulties and other factors so that the brachial plexus nerve overstretching damage caused by different damaged parts can be divided into upper arm type, middle arm type and lower arm type three.
1. Upper arm type: this type is the most common in the clinic, which is characterized by prolapse of the affected limb, and inability to abduct and turn outward. The elbow joint is straight and cannot be bent or rotated. The wrist and finger joints are flexed and the embracing reflex cannot be elicited on the affected side.
2. Middle arm type: the forearm, wrist and hand cannot be extended normally, and the embrace reflex of the affected side usually cannot be elicited.
3. Lower arm type: the muscle strength of the wrist and hand is weakened, and it is difficult to hold hands.
When parents find the above manifestations in their newborns, they need to go to the hospital in time for relevant examinations, clear diagnosis and early treatment to avoid deterioration of the condition.