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현용인,강재규,정현태,도종웅 대한신경외과학회 1993 Journal of Korean neurosurgical society Vol.22 No.1
Stroke in infant was relatively rare. But recently, development of diagnostic tools and infantile intensive care unit were introduced So, early detection and follow up study were easily performed and the motality of infant stroke was improved The pathophysiologic factor was multiple such as Structural, development and physiological aspects of brain circulation and cardiorespiratory perinatal accidents which are the cause of several neuropathology. So, preventable secondary factors such as perinatal asphyxia. respiratory manipulation during daily care should be removed thus mortality and morbidity were decreased. Therefore, the anthors analysized 16 patient, with stork whom age were younger less than 1 year for searching of preventable secondary factors.
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현용인,정현태,강재규,도종웅 대한신경외과학회 1993 Journal of Korean neurosurgical society Vol.22 No.1
The simultaneous occurence of one or more intracranial aneurysm and an intracranial arteriovenous malformation(AVM) in a patient is unusual. Four cases of intracranial aneurysm associated with cerebral arteriovenous malformation(AVM) were found in a total of 67 patients with cerebral malformation(AVM). The site of aneurysm was related anatomically to the arterial supplying arteriovenous malformation(AVM) in 3 cases and the bleeding source was aneurysmal rupture in all four cases (100%) . It is generally accepted that aneurysm is caused by hemodynamic stress result from the presence of an arteriovenous malformation(AVM). The management of the unusual problem is controversial which are surgical obliteration of both vascular lesion in one stage(2 cases) and surgical obliteration of both vascular lesion in two stages(1 case) were accomplinished with good surgical result
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현용인,도종웅,강재규,정현태 대한신경외과학회 1993 Journal of Korean neurosurgical society Vol.22 No.1
Bifucation of the internal carotid artery aneurysms are rare. But they are paticulary difficult to treat surgically because of perforating arteries surrounding and adherent to the aneurysm. In this series, fourteen patients with bifucation of internal carotid artery aneurysms were treated with direct surgery. Tweleve patients of these were treated with clipping, two were treated with coating 57% of the patients had a good or excellent result and there was a 7% mortality.
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김용인,정갑석,장호중,김정묵,정석현 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.1
The purpose of this study was to examine the relationship between participation in leisure sport activities of leisure satisfaction. To accomplish this research purpose, there were two research questions; Firstly, Is there difference on leisure satisfaction according to the participation in leisure sport activities?, Secondly Will the degree of participation in leasure sport activities influence the leisure satisfaction? The population for this study was participants in Leisure sports activity program located in Seoul. The final 227 responses (participation 163, non-participation 114), collected by cluster random selecting method, were used in the data analysis procedure. The items for measuring leisure satisfaction were largely based on Lee(1992)s study, and the degree of participation in leisure sport activities was measured by the period and frequence of participation. To analyze the final data (277), the reliability analysis, analysis of covariance, multiple classification analysis, and multiple regression analysis were used. The conclusions for this study were as followings; Firstly, leisure satisfaction is partially different by participation yes or no of the leisure sports activity. That is, leisure satisfaction is higher participation of leisure sports activity than non-participation Secondly, leisure satisfaction is partially influence by the participation of degree of leisure sports. That is, period and frequence are influence on leisure satisfaction.
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A new combination for Saxifraga octopetala (Saxifragaceae) and its phylogenetic relationship
김용인,조성현,김보윤,이정훈,강대현,김순옥,Roman V. Doudkin,김영동 한국식물분류학회 2015 식물 분류학회지 Vol.45 No.4
This study was conducted to address the taxonomic status of the Korean endemic species Saxifraga octopetala, which is sometimes considered conspecific to Micranthes manchuriensis. Extensive molecular phy- logenetic analysis using nrITS sequences as well as morphological examination of type specimens of the two species were undertaken to ascertain the phylogenetic position and species delimitation of S. octopetala. In the resulting nrITS trees, a total of 65 accessions representing S. octopetala grouped together and nested within the Micranthes clade, exhibiting a close relationship with M. nelsoniana and M. manchuriensis. Multiple accessions of M. manchuriensis collected from China and Russia also formed a clade, showing a sister group relationship with M. nelsoniana var. pacifica and M. fusca. The ambiguous species entity of S. octopetala is thought to have originated from Nakai's misinterpretation of Wilford's collection (type specimens of M. manchuriensis), which is a complex collection including an inflorescence of M. nelsoniana. In spite of apparent morphological similarity between S. octopetala and M. manchuriensis, they differ in the presence and absence of underground stolons. The distinct position of S. octopetala within the Micranthes clade on the nrITS tree suggests that it should retain species status in Micranthes. Thus a new combination (Micranthes octopetala) is proposed.
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