低钠血症(hyponatremia)是颅脑外伤特别是重症颅脑外伤患者的常见并发症,是脑外伤后加重脑水肿和神经功能损害的主要原因。及时明确颅脑损伤后低钠血症的病因和确立治疗方案对提高脑外伤后的治愈率尤为重要。现就浙江省天台县人民医院神经外科在2004年4月 Hyponatremia is a common complication of craniocerebral trauma especially in patients with severe craniocerebral trauma and is the main reason of aggravating cerebral edema and neurological dysfunction after traumatic brain injury. Timely clear the etiology of hyponatremia after craniocerebral injury and the establishment of treatment options to improve the cure rate after traumatic brain injury is particularly important. Now Tiantai People’s Hospital of Zhejiang Province in neurosurgery in April 2004