Department of forensic medicine, National institute of scientific investigation, Korea. j52459567@dreamwiz.com

Four cases medical accidents related to the iatrogenic injury of neck vessels are reported. The first case was a 54-year-old woman. Under the diagnosis of the herniated cervical disc, the operation was performed. After five hours from starting the operation, respiratory difficulty, facial cyanosis and syncope were found, suddenly. The autopsy finding were large hematoma at the posterior portion of neck organ and perforation of right carotid artery. The second case was a 61-year-old woman. Under the diagnosis of the aneurysm of the anterior communicating artery, the coiling and embolization were performed. After one hour from removal of catheter of right carotid artery, respiratory difficulty, facial cyanosis and syncope associated with right neck hematoma were found, suddenly. Eventually, she died after 41 days due to hypoxic brain injury. The third case was a 55-year-old woman. Under the diagnosis of the thyroid cancer, total thyroidectomy was performed. After three hours from operation, respiratory difficulty, facial cyanosis and syncope associated with severe neck hematoma were found, suddenly. Eventually, she died after 25 days due to hypoxic brain injury. The last case was a 34-year-old man. He visited the hospital due to stab wound of left neck. The irrigation and simple suture were performed at the first visit. After he went home, respiratory difficulty and syncope were found, suddenly. He returned the hospital and cardiopulmonary resuscitation was performed. However, he died. The autopsy finding were large hematoma around the neck organ and stab wound of left carotid artery.

Key words : Iatrogenic injury, Neck vessels, Medical accidents