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최창락,이길송,박기용,라형균,성태경 대한신경외과학회 1982 Journal of Korean neurosurgical society Vol.11 No.4
The multimodality evoked potentials(MEP) (somatosensory, auditory, and visual evoked potentials) is studied in patients with various head trauma. The use of evoked potentials for the evaluation of disorders of the nervous system has become a most valuable aid to the neurosurgeon and neurologist, often providing information of critical value without recourse to invasive technique. The multimodality evoked potentials is classified in three grades per modality as the degree of abnormality of the electrophysiological data. Data from 20 normal Korean subject are given for comparision with the abnormal data obtained from 96 patients with head trauma. The multimodality evoked potential is a simple and useful method for clinical evaluation of abnormal function of the brain and prediction of the patient's outcome in the head trauma patients.
저위 기저동맥 분지부 동맥류에 대한 측두하 경추체 접근법
나형균,지철,최창락 대한신경외과학회 1994 Journal of Korean neurosurgical society Vol.23 No.12
Surgical approachs for aneurysms of the basilar artery trunk are variable and utilized depending on the location of the aneurysms and direction of the fundus of the aneurysms We operated one patient with low lying basilar bifurcation aneurysm facing toward the brain stem by subtemporal transpetrod approach with successful clipping of aneurysm. The advantage of this approach to low-lying basilar bifurcation or basilar trunk aneurysms over the pterional, subtemporal(transtentorial), combined supratentorial and infratentorial, transoral,and suboccipital approach are discussed.
나형균,지철,최창락 대한신경외과학회 1994 Journal of Korean neurosurgical society Vol.23 No.11
We analyzed 10 cases who had received surgery for acute injuries of the thoracic spine complicated by paralysis. Of those 10 cases, 4 patients had a complete and remaining 6 had an incomplete lesion of the spinal cord. Of the 4 patients who had a complete lesion of the spinal cord, significant neurologic function did not recover in 3, regardless of the type and timing of the surgery. In one of 4 patients who had a complete lesion, there was some improvement of sensation. Of the 6 patients who had an incomplete lesion of the spinal cord, 4 received a surgery within 24 hours of injury, and remaining 2 had surgery on posttrauma 30th and 35th days respectively. Average neurologic improvement was 1.75 Frankel grades per patient in the early surgery group and was 1 Frankel grade in the delayed surgery group. Of 6 patients with incomplete lesion, 4 were treated with laminectomy and fusion with instrumentation, and they improved by average decompression and fusion respectively and they improved by 1 Frankel grade respectively. Based on the results of this study and other references, we suggest that early surgical intervention improves neurologic recovery in comparison to late surgical intervention and that posterior surgical instrumentation is indicated in acute unstable bursting fracture and flexion-dislocation injury. Also we suggest that anterior transthoracic decompression and fusion is indicated in cases of neural compression by bone or disc fragments.