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한국어판 PADUA 강박척도 : 신뢰도와 타당도 Reliability and Validity
박제민,김명정,김성곤,박재흥,강철중,김병철,전명호,김재형,양구범 釜山大學校 醫科大學 精神科學敎室 1998 釜山精神醫學 Vol.7 No.-
This study reports the psychometric peroperties and factorial structure of a Korean version of the Padua Inventory (PI) in clinical (35 patients withobsessive-compulsive disorder and 66 with other psychiatric disorders) and non-clinical (458 including 120 undergraduate medical students) samples. The PI total and subscales showed good internal consistency, convergent and known-group validity. Test-retest reliability with interval of one year was superior to that of obsessive-compulsive subscale of SCL-90R. PI scores of non-clinical sample were lower than those reported in western countries, apart from Dutch sample. Principal component analysis on data from whole sample suggested four-factor solutions, which was comparable to that found in other versions of the PI developed in the western cultures. Items asking urges or worries of breaking or stealing things were separated from the factor 'urges and worries of losing control over motor behavior'. Factor analysis on data from non-clinical sample revealed five-factor solution: being contaminated, checking behaviors, doubting, worries of disasters, and ruminations. The first two factors were very same as the western reports, the other three were comparable to 'impaired control over mental activities', but 'urges and worries of losing control over motor behavior' was not extracted as a separate factor in this study. Needs for cross-cultural study including other Asian countries arise to confirm lower PI scores and different factor structures in this sample reflects Korean-specific or Asian-specific culture.
( Yoon Je Cho ),( Kee Hyung Rhyu ),( Young Soo Chun ),( Hyun Gon Gwak ) 대한고관절학회 2022 Hip and Pelvis Vol.34 No.4
Purpose: The purpose of this study was to examine the clinical outcomes and efficacy of hip resurfacing arthroplasty (HRA) in patients with osteonecrosis of the femoral head after the failure of porous tantalum rod insertion without rod removal. Materials and Methods: Conversion to hip resurfacing arthroplasty was performed in 10 patients (11 hips) with a mean period of 14.9 months after the primary surgery. The mean follow-up period was 73.7 months. Analysis of pre and postoperative range of motion (ROM), University of California at Los Angeles (UCLA) activity score, modified Harris hip score, and visual analog scale (VAS) pain score was performed. Radiographic analysis of component loosening and osteolysis was performed. Results: The postoperative ROM showed significant improvement (P<0.05), excluding flexion contracture. The modified Harris hip score showed improvement from 65.82 to 96.18, the UCLA score showed improvement from 4.18 to 8.00, and the VAS pain score was reduced from 6.09 to 1.80. All scores showed statistically significant improvement (P<0.05). No component loosening or osteolysis was detected by radiographic analysis. Conclusion: Satisfactory results were obtained from conversion hip resurfacing arthroplasty after failure of porous tantalum rod insertion without rod removal. The findings of this study demonstrate the advantages of HRA, including no risk of trochanteric fracture and no bone loss around the tantalum rod. In addition, the remaining porous tantalum rod provided mechanical support, which reduced the potential risk of femoral neck fracture or loosening. This technique can be regarded as a favorable treatment option.
Hwang, Hyung Sik,Moon, Jae Gon,Kim, Chang Hyun,Oh, Sae-Moon,Song, Joon-Ho,Jeong, Je Hoon The Korean Neurosurgical Society 2013 Journal of Korean neurosurgical society Vol.54 No.5
Objective : The objective of this study was to investigate changes in the posterior cranial fossa in patients with symptomatic Chiari malformation type I (CMI) compared to a control group. Methods : We retrospectively reviewed clinical and radiological data from 12 symptomatic patients with CMI and 24 healthy control subjects. The structures of the brain and skull base were investigated using magnetic resonance imaging. Results : The length of the clivus had significantly decreased in the CMI group than in the control group (p=0.000). The angle between the clivus and the McRae line (p<0.024), as the angle between the supraocciput and the McRae line (p<0.021), and the angle between the tentorium and a line connecting the internal occipital protuberance to the opisthion (p<0.009) were significantly larger in the CMI group than in the control group. The mean vertical length of the cerebellar hemisphere (p<0.003) and the mean length of the coronal and sagittal superoinferior aspects of the cerebellum (p<0.05) were longer in the CMI group than in the control group, while the mean length of the axial anteroposterior aspect of the cerebellum (p<0.001) was significantly shorter in the CMI group relative to control subjects. Conclusion : We elucidate the transformation of the posterior cranial fossa into the narrow funnel shape. The sufficient cephalocaudal extension of the craniectomy of the posterior cranial fossa has more decompression effect than other type extension of the craniectomy in CMI patients.
Development of Sunlight LED Bollard Based on C/GFRP Floodlight Composite
Shin, Hyung Gon,Oh, Je Ha,Byun, Dong Hae,Choi, Hyoung Chul Trans Tech Publications, Ltd. 2017 Key Engineering Materials Vol.730 No.-
<P>It is safe and light because it uses carbon/glass fiber reinforced plastics (hereinafter referred to as C/GFRP) through this technological development. Moreover, sunlight LED luminous bollard, which was harmonized with the surrounding environment with diverse colors, was developed. Luminous bollard can reduce its weight and also increase its strength by adjusting the intensity and thickness of a product customized for each usage on the basis of the characteristics of C/GFRP composite. In addition, C/GFRP and steel pipe were compared for the compression test in order to compare the objective rigidity. As a result, this study could obtain a positive result graph of luminous bollard. To develop luminous bollard, the composite development process was configured through a fixture of pullout and filament winding. Diverse colors can be applied to luminous bollard. Hence, it is possible to select a color customized for each region. It is also possible to create an aesthetic harmony with a surrounding environment through LED lamps at night. The pipe, which was 50 percent lighter than stainless and also which had excellent tensile strength, was designed to develop the bollard that has superior convenience in terms of construction, maintenance and repair.</P>
탁제형(Tak Je Hyung),김성곤(Kim Sung Gon),이정구(Lee Jeong ku) 대한공간정보학회 2021 한국지형공간정보학회 학술대회 Vol.2021 No.11
ICT 기술의 발전에 따라 공간정보 분야의 기술도 변화 중에 있어 스마트 시티 분야에서 요구되는 공간정보 기술도 큰 변화를 겪고 있다. 본 연구는 스마트시티 서비스의 현황조사를 통하여 분야별 서비스 및 서비스별 공간정보 기술을 식별하였다. 식별된 서비스 및 공간정보 기술을 분류체계를 적용하고 설문조사를 통하여 중요도 및 필요성을 도출하여 스마트시티 공간정보 표준화 조사를 수행하였다. 이에 중요도 및 필요성 조사를 수행한 결과 중요도와 필요성이 일정 부분 일치하는 것을 검증 할 수 있었으며, 결과에 따라 스마트시티 내 공간정보 기술 관련 표준화 요구조건의 순위를 도출 할 수 있었다. 본 연구는 조사된 항목을 통해 스마트시티에서 실질적으로 필요로 하는 공간정보 기술에 대한 수요를 파악하였다.
김환욱,이재원,Hyung Gon Je,Soo Hwan Choi,조건현,송현 대한흉부외과학회 2011 Journal of Chest Surgery (J Chest Surg) Vol.44 No.5
Myocardial revascularization in patients with renal insufficiency is challenging to the cardiac surgeon, irrespective of utilizing extracorporeal circulation. This study aimed to compare the number of bypass grafts and the mid-term results and to evaluate independent survival predictors in patients with renal insufficiency undergoing on-pump or off-pump myocardial revascularization. Materials and Methods: We retrospectively analyzed the data of 103 patients with renal insufficiency, who had isolated myocardial revascularization between January 1999 and January 2009. The patients were divided into two groups, the on-pump group and the off-pump group. Results: The off-pump group received a significantly greater number of distal arterial grafts than the on-pump group. However, the mean number of total grafts, the degree of complete revascularization, and survival rate of the patients were not significantly different between the two groups. Multivariate analysis showed the independent predictors for reduced mid-term survival were the number of total grafts and postoperative periodic renal replacement therapy. Off-pump myocardial revascularization does not decrease the number of bypass grafts or influence on the mid-term results for patients with renal insufficiency, compared to on-pump myocardial revascularization. Conclusion: Myocardial revascularization with a large number of total grafts has a beneficial effect on survival in patients with renal insufficiency, irrespective of utilizing extracorporeal bypass.
Spinal Schwannoma; Analysis of 40 Cases
Jeon, Jee-Ho,Hwang, Hyung-Sik,Jeong, Je-Hoon,Park, Se-Hyuk,Moon, Jae-Gon,Kim, Chang-Hyun The Korean Neurosurgical Society 2008 Journal of Korean neurosurgical society Vol.43 No.3
Objective: This study is to report our experience of 40 cases of spinal schwannoma. Methods: From 1995 to 2006, medical records were retrospectively reviewed in 40 cases of spinal schwannoma. Results: We treated 40 spinal schwannomas in 38 (22 male and 16 female) patients. The mean age was 50.2. Four cases were sited in the cervical spine, 11 cases in the thoracic spine, and 25 cases in the lumbar spine. Two patients showed recurrences. Thirty-eight cases were intradural-extramedullary type and 2 cases were extradural. Two cases (5%) including 1 recurred case had no postoperative motor improvement. Ninety-five percents of patients improved on postoperative motor grade. Conclusion: Spinal schwannoma is mostly benign and extramedullary tumor. There were 2 recurred cases (5%) that had history of previous subtotal removal at first operation and had shown worse prognosis compared with the cases without recurrence. To reduce the recurrence of spinal schannoma, total excision of tumor mass should be done.