Résumé
It is often reported that the number of cases of cervical spinal cord injury without fracture resulting from falls have increased in recent years with a aging population. We reviewed the cases of cervical spinal cord injury in the patients who were admitted within two days after the injury to our department between January 2006 and December 2012, The subjects of this study numbered 167 cases;129 males and 38 females. The frequency of occurrence of cervical spinal cord injury, according to reports by the fire departments in the southwestern part of Ibaraki Prefecture is 32.0 per million individuals per year. In our cases under review, fractures were noted in 72 individuals, whereas 95 had no fractures. As to the causes of injury, traffic accidents topped the list with 38.9%, followed by falls with 28.7%, stumbles with 20.4%, and other factors with 12.0%. Cervical spinal cord injury account for 75% of all the cases of spinal cord injury with an incident of 30-40 cases per 100 million individuals per year. In 2011, the incidence of cervical spinal cord injuries resulting from traffic accidents decreased, while that of injuries related to falls increased. Six cases of injury resulting from falls happened during repairs on the damaged houses in the aftermath of the Great East Japan Earthquake of March 2013.