No shinkei geka. Neurological surgery
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Case Reports
[Common carotid artery dissection propagated from acute aortic dissection: a case successfully treated by PTA].
We reported a rare case, which was successfully treated by PTA, of right common carotid artery dissection propagated from acute aortic dissection (AAD) type A. A 45-year-old male with a past history of hypertension and an artificial graft replacement of the abdominal aorta due to AAD type B, 7 years ago, was brought into our hospital by ambulance 30 minutes after an attack of fainting and left hemiparesis. On admission, the patient complained not of chest pain or left hemiparesis, but nausea. ⋯ The patient recovered without neurological deficit but right frontal silent embolic infarction caused by the artificial graft replacement was detected. AAD is a catastrophic illness and sometimes accompanied by devastating ischemic cerebral disease (ICD) because of propagation of dissecting to extracranial vessels. This is the first report that shows the efficacy of PTA for treatment of ICD associated with AAD.
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Therapeutic hypothermia may improve outcome after severe head injury, but its efficacy has not been established in children with a severe head injury. The authors evaluated the effects of hypothemia (33-34 degrees C) in 9 severely closed head-injured children (under 16 years old). The cooling period was 3 to 21 days (mean 9.3). ⋯ From 3 to 6 months after injury, 6 (67%) of the 9 patients had good outcome (good recovery in 2 and moderate disability in 4), but 3 (33%) had poor outcome (severe disability in 2 and vegetative state in one). Complications, including infectious disorders (pneumonia, meningitis, sepsis), cardio-vascular system dysfunction (cardiac arrhythmia, hypotension), decreased platelet counts, hypokalemia, diabetes insipidus, acute pancreatitis occurred during hypothermia in 7 patients (78%). The results of this study suggest that treatment with hypothermia in children with severe head injury is often accompanied complications, but it is an effective method to control intracranial hypertension and may have improved the outcome.