Intervention: All patients underwent ORIF of a distal humerus fracture with or without anterior subcutaneous ulnar nerve transposition based on surgeon preference.
干预：所有肱骨远端骨折病人由外科医生的决定是否在切开复位内固定术中行前侧皮下尺神经转位。
2
We also can find pneumothorax, hydropneumothorax, mediastinal emphysema, subcutaneous emphysema, fracture of costal bone.