Nerve injuries, especially peripheral nerves, are very difficult to treat. Because nerves are high-level tissues that cannot be replaced by any tissue and are poorly nourished by blood, they are very difficult to heal. However, with the technique of peripheral nerve grafting surgery, patients have more opportunities to restore their nerves.

Blunt chest trauma is the most common type of injury resulting from motor vehicle crashes and is a major cause of morbidity and mortality in all age groups. The types of blunt chest trauma depend largely on the severity of the injury and can range from harmless to life-threatening.