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황용순,최중언,정상섭,이규창 대한신경외과학회 1986 Journal of Korean neurosurgical society Vol.15 No.4
The management of patients with severe head injury continues to present neurosurgeons with a major challenge. Despite of early diagnosis and aggressive treatment, it has showed still high mortality and morbidity. We analyzed the results of treatment of 50 cases with severely head injured children who were treated during past 2 years for detection of predicting factors of outcome. Our conclusions are as follows; 1) The Glasgow coma scale(GCS) on admission was an important predicting factor for outcome of severe head injury. In patients with 3, 4 of GCS, outcome was poor. In cases above 5 of GCS, outcome was better than the former. 2) The clinical features on admission(i. e., light reflex of pupils, oculocephalic responses and abnormal motor responses) were also important predicting factor of outcome. 3) There was no significant relation between outcome of severe head injury and age distribution in children. 4) The mass lesion occupied relatively small proportion in the types of lesion which was proved by CT scan (26%). 5) Overall outcome showed 28% of good recovery, 26% of moderately disabled, 12% of severely disabled, 12% of vegetative state and 22% of dead.
황용순,문재곤,장희경,조영덕,김한규,이화동 대한신경외과학회 1995 Journal of Korean neurosurgical society Vol.24 No.11
Paraganglioma of the cauda equina or filum terminate is rare tumor and was first described in 1970. The authors present a case of paraganglioma of the cauda equina in a 55 year-old-man with nonspecific back pain. To our knowledge, there has been only a few report of MRI of a paraganglioma of the cauda equina. Diagnosis can be made with immunohistochemical study and electron microscopy after surgical removal. Because of frequent recurrence, total excision is mandatory.
뇌동맥류 파열 환자에서 경두개 Doppler검사에 대한 임상적 분석 : Preliminary Report
황용순,주진양,허승곤,이규창 대한신경외과학회 1990 Journal of Korean neurosurgical society Vol.19 No.10-12
The authors performed prospectively the transcranial Doppler monitoring of bilateral anterior and middle cerebral arteries in 15 patients with ruptured cerebral aneurysm. The entry criteria for the study were confined to the patients who were admitted within 3 days after bleeding and had clinical grades of Ⅰ, Ⅱ, or Ⅲ. The mean frequency shifts of bilateral anterior and middle cerebral arteries were increased immediately after ictus and showed continuous further elevation between the 3rd and 8th rupture days. After that, they normalized slowly. The increase of frequency shift preceded clinical ischemic symptoms and an early steep increase of frequency shift was correlated to a high chance for suffering delayed ischemic deficits. The thick clots in subarachnoid cisterns shown on CT scans taken within the third rupture day were correlated well to the severe increase of frequency shifts. The aggressive treatment was done on asymptomatic patients who showed relatively rapid increase of frequency shifts, and they had shown no or trasient mild ischemic symptoms.
자발성 척수 경막외 혈종 : 치험 2례 Report of Two Operative Cases
황용순,김영수,최중언,박형천,김상진 대한신경외과학회 1986 Journal of Korean neurosurgical society Vol.15 No.3
Spontaneous spinal epidural hematoma is a rare disease. Typically, a healthy man engaging in usual activity of daily life develops back or neck pain suddenly and most victims are unable to walk within 6 hours. We treated two cases of spontaneous spinal epidural hematoma surgically. One case developed hematoma in the thoracolumbar junction in a adult man, and the cause of hematoma could not be confirmed with surgery. Another case developed hematoma in the midthoracic area in a boy, and the source of bleeding was confirmed as arteriovenous malformation in spinal epidural fat tissue. Related literatures were reviewed.
Methylprednisolone투여가 흰쥐 척수손상모델의 운동유발전위의 변화에 미치는 영향
황용순,박상근 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.3
Objectives: For the last two decades. various chemicals have been applied for the treatment of spinal cord injury but no chemicals were found to be as effective as methylprednisolone. And motor evoked potentials(MEPs) have been utilized clinically in monitoring and diagnosis of the motor disorders. To evaluate the efficacy of methylprednisolone on functional recovery following spinal cord injury and to determine the usefulness of motor evoked potential as a monitoring tool in spinal cord injury, the author used spinal cord injury model in rats. Methods: In the present study, the effects of methylprednisolone on functional recovery after spinal cord injury were carefully quantified behaviorally as well as electrophysiologically in white rats. Spinal cord injury was produced using NYU-spinal cord impactor. BBB(Basso, Beattie, and Bresnahan) test was conducted to measure the change of neurological status behaviorally, and MEPs and somatosensory evoked potentials (SSEPs) were recorded to determine the effects of methylprednisolone electrophysiologically. The results of these studios were compared each other to determine the usefulness of MEPs. Results: 1. According to the behavioral test using BBB test, methylprednisolone - treated animals showed improved functional recovery compared to the saline-treated animals. 2. MEP latencies in methylprednisolone-treated group were shorter than those in control group. Peak amplitudes of MEPs were larger in methylprednisolone-treated group than those in control group. 3. Peak amplitudes of SSEPs were larger in methylprednisolone-treated group than those in control group. In summary, the amplitudes of MEPs were recovered more rapidly in methylprednisolone-treated group than those of SSEPs and the latencies of MEPs showed similar tendency compared to those of SSEPs. 4. The thresholds of MEPs and SSEPs tended to be lower in methylprednisolone-treated group than those of control group. Conclusions: These results suggest that methylprednisolone may minimize the secondary spinal injury and improve the functional recovery after spinal cord injury. And motor evoked potential seems to be reliable as a tool monitoring the functional recovery after spinal cord injury, and be compensatory with SSEPs.