Tracheotomy was performed in 7 cases,rib tractions in 4 cases,internal fixations of sternum and rib in 3 cases.

• 7例行气管切开；4例行肋骨牵引；胸骨和肋骨内固定3例。结果治愈19例(82.；6%25)；17例肺功能恢复正常;