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Journal of Korean Neurosurgical Society 1994;23(9): 1038-1046. |
| Clinical Analysis of Basal Skull Fractures. |
| Yong Sung Lee, Shi Hun Song, Seong Ho Kim, Kwan Tae Kim, Youn Kim |
| Department of Neurosurgery, College of Medicine, Chungnam National University, Taejeon, Korea. |
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| ABSTRACT |
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The authors analysed 147 cases of basal skull fracture which were treated in the Department of Neurosurgery, Chungnam National University Hospital from January 1989 to December 1992. These fractures are difficult to diagnose by ordinary X-ray examination and are frequently inferred by clinical signs. The clinical features and radiological findings were reviewed. The results of the analysis are summarized as follows : 1) The basal skull fractures were more common in men than women-the ratio being 6 : 1. 2) In decreasing order of cause of basal skull fractures were traffic accidents(77%), fall down, assault and slipping. 3) The minor head injury, Glasgow Coma Scale Score(GCS) of 13 to 15, was 79 cases(54%), the moderate head injury 40 cases(27%) and the severe head injury 18 cases(19%). 4) In decreasing order of clinical features were otorrhea(71%) rhinorrhea(48%) and raccoon eye(33%) etc. 5) In decreasing order of the combined pathologies were skull fracture(55%), subdural hematoma(17%), epidural hematoma(16%) and intracerebral hematoma(12%) etc. 6) The facial nerve, vestibulo-cochlear nerve and optic nerve were the most commonly injured cranial nerve. 7) CSF leakage was noted in 139 cases and among them immediate type was far more common(96%) than the delayed type. 8) The incidence of meningitis was 5.4% and most of them associated with CSF leakage and the prophylatic antibiotic treatment has no effect to decrease infection rate. 9) In decreasing order of the frequency associated injuries were facial bone fracture(47%), clavicle fracture(19%), lower extremities fracture(9%) and upper extremities fracture(7%) etc. |
| Key Words:
Basal skull fracture; CSF leakage; Meningitis; Cranial nerve injury |
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