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성경훈,김상진,강재규,도종웅 대한신경외과학회 1989 Journal of Korean neurosurgical society Vol.18 No.7-12
The authors analized the 98 cases of cervical spine injuries without fracture or dislocation by hyperflexion/hyperextension of the neck. The peak incidence of the age was in the second to fourth decades(69.4%). There was a male preponderance with a sex ratio of 1.8:1. Sources of trauma were motor vehicle accident, object falling on and motorcycle accident in the order of frequency. The common mechanisms of injury were flexion-extension, extension and flexion injury in the order of frequency. There were 10 cases of cervical cord injury without fracture or dislocation and operative management was given in 6 cases of them. The most common preexisting desease was congenital cervical stenosis. Surgical modality such as laminectomy, laminoplasty and anterior decompressive procedure made them improved. The authors discuss the mechanism of injury and surgical management of the patients with cervical cord injury in the abscence of concomittent fracture or dislocation.
성경훈,도종웅,강재규,김기욱 대한신경외과학회 1990 Journal of Korean neurosurgical society Vol.19 No.6
The authors described a more different type of aneurysms in the distal anterior cerebral artery (DACA), which is difficult to approach surgically. There are anomalies of distal anterior cerebral artery in about one fourth and narrow space, which made more careful surgical dissection. We experienced 7 cases of DACA aneurysm, 6 cases of which were treated surgically through the interhemispheric approach via the unilateral frontal paramedian craniotomy on the non-dominant side. Surgical results were anatomical complexities, modem microsurgical technique aided by microscope make the approach more exactly and safely.
다발성 흉추간판탈출증 : 2례 증례보고 Report of 2 Cases
김상진,성경훈,강재규,도종웅 대한신경외과학회 1990 Journal of Korean neurosurgical society Vol.19 No.1
The authors describe 2 cases of multiple thoracic disc herniations in the level of T5∼6, T6∼7, T7∼8 and T8∼9, T9∼10, T10∼11. Thoracic disc herniation is rare and occurs in less than 4% of all disc diseases. Moreover, multiple thoracic disc herniation is very rare and only 7 cases were reported in the literatures, which occured at two levels in 6 cases and five levels in one case. The lesions were determined by thoracic CT myelogram and MRI study. A microsurgical posterolateral approach made them curative. Surgical instruments such as downbite currette and surgical microscope were essential for successful treatment.
위암환자의 복강내에 투여한 Mitomycin C-Carbon Particle의 Mitomycin 용출에 관한 연구
노승무,조영훈,정경수,오정연,김진향,양준묵,강대영,송규상,조준식,최선웅,이진호,민병무,김용백,김창식,박근성,인현빈,정현용,김학용 충남대학교 의과대학 지역사회의학연구소 1998 충남의대잡지 Vol.25 No.1
Locoregional recurrence is the most common type of recurrence in surgical operation of gastric adenocarcinoma, and peritoneal dissemination is one of the most difficult problems in advanced gastric adenocarcinoma treatment. Because the peritoneal cavity is the most common site of the first recurrence after gastric cancer resection, intraperitoneal chemotherpy seems a logical choice for cancer chemotherapy. The Mitomycin C(MMC) adsorbed by the activated charcoal particles(CH) is relatively released when the drug concentration surrounding the carbon particles becomes low in the peritoneum of the peritoneal cavity. For the intraperitoneal chemotherapy on the advanced gastric adenocarcnoma, mitomycin C adsorbed on activated carbon particles was administered in the peritoneal cavity just before abdominal wall closure. The closed drainage tubes were inserted in the peritoneal cavity and clamped for tuo hours after completion of operation. MMC concentrations were serially measured in peritoneal fluid, plasma and urine at 2hour, 48 hour, 72 hour and 168 hour following its administration in order to study the efficacy of the MMC-CH as a drug delivery system. There were minimal toxicities in born marrow, liver, and gastrointestinal system after intraperitoneal MMC-CH administration. The data of this study suggested that MMC-CH may have a somewhat more beneficial effect than surgery alone when administered in optimal dose and schedules, but the MMC concentration of the peritoneal fluid was not sufficient to eradicate remnant cancer cells, and effective duration of maintenance was only below 24 hours in the peritoneal fluid and plasma.
Developing Bond Markets for Sustainable Growth of East Asia
Kyeong-Hoon Kang 서울대학교 경제연구소 2007 Seoul journal of economics Vol.20 No.1
Though corporate bond markets can play important roles for East Asia's sustainable growth, it is very difficult to build a well-functioning corporate bond market. One of the reasons for the difficulty is that the hurdles to be overcome are closely related each other, resulting in a chicken or egg problem. This paper shows that the chicken or egg problem may come from externalities in corporate bond markets and analyzes the interaction of the externalities: dynamic externality and static network externality. Some policy implications are drawn from the results.