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Comparison of Predictive Parameters between the Video Head Impulse Test and Caloric Test
한준,백승원,양희준,박상유,이지현,서영준 대한평형의학회 2020 Research in Vestibular Science Vol.19 No.2
Objectives: The aim of this paper was to determine if a correlation exists between video head impulse test (vHIT) and electronystagmography with caloric test (ENG). More specifically, comparison of covert and overt value from vHIT test with cold and warm stimulation value from ENG test.Methods: Retrospective study of our single institue from the period of January 2015 to January 2017 enrolled 91 patients. Patients were divided into 3 groups by their diagnosis of either vestibular neuritis (VN), Meniere disease, or sudden sensorineural loss with vertigo accordingly. Each of the patients’ both ENG and vHIT data were recorded and parameters were evaluated.Results: VN group was the only group to show a significant correlation between canal paresis (CP) with covert and overt saccades. Further analysis was done in the VN group and result showed covert saccade showing a larger area under the receiver operation characteristic curve value (0.77) compared to overt saccades (0.70), implying that covert saccade is a more accurate parameter for the predic-tion of the CP value. Furthermore, a positive correlation was seen between the gain value and the cold caloric stimulation value as well as between warm caloric stimulation value. Conclusions: The value of our study lies in the fact that we have attempted to find a correlation between different parameters of 2 different vestibular tests. We concluded that the evaluation of overt nystagmus by the bedside head thrust test is inappropriate for predicting CP, and a vHIT is required to accurately evaluate vestibular function.
Proximal Femoral Geometry as Fracture Risk Factor in Female Patients with Osteoporotic Hip Fracture
한준,한명훈 대한골대사학회 2016 대한골대사학회지 Vol.23 No.3
Background: Proximal femoral geometry may be a risk factor of osteoporotic hip fractures. However, there existed great differences among studies depending on race, sex and age of subjects. The purpose of the present study is to analyze proximal femoral geometry and bone mineral density (BMD) in the osteoporotic hip fracture patients. Furthermore, we investigated proximal femoral geometric parameters affecting fractures, and whether the geometric parameters could be an independent risk factor of fractures regardless of BMD. Methods: This study was conducted on 197 women aged 65 years or more who were hospitalized with osteoporotic hip fracture (femur neck fractures ; 84, intertrochanteric fractures; 113). Control group included 551 women who visited to check osteoporosis. Femur BMD and proximal femoral geometry for all subjects were measured using dual energy X-ray absorptiometry (DXA), and compared between the control and fracture groups. Besides, proximal femoral geometric parameters associated with fractures were statistically analyzed. Results: There were statistically significant differences in the age and weight, cross-sectional area (CSA)/length/width of the femoral neck and BMD of the proximal femur between fracture group and control group. BMD of the proximal femur in the control group was higher than in the fracture group. For the femoral neck fractures group, the odds ratio (OR) for fractures decrease in the CSA and neck length (NL) of the femur increased by 1.97 times and 1.73 times respectively, regardless of BMD. The OR for fractures increase in the femoral neck width increased by 1.53 times. In the intertrochanteric fracture group, the OR for fractures increase in the femoral neck width increased by 1.45 times regardless of BMD. Conclusions: We found that an increase of the femoral neck width could be a proximal femoral geometric parameter which plays important roles as a risk factor for fracture independently of BMD.
한준,박세정,임영국,홍용택,김훈남 대한미용성형외과학회 2007 Archives of Aesthetic Plastic Surgery Vol.13 No.2
The hypertrophic labia minora presents many problems in both cosmetic and functional aspects. Local irritation, problems of personal hygiene during menses or after bowel movements, interference with sexual intercourse, and discomfort during cycling, walking, or sitting are generally accepted as indications for surgical reduction. We preserved the natural contour and anatomy of the labia minora by simply reducing its most prominent part (anterior two thirds) width through bilateral deepithelialization and primary closure of the edges with preservation of the neurovascular supply to the edges. This method is very simple and straightforward technique only the most prominent part of the tissue removed without morphologic alteration and minimal aesthetic and functional morbidity. Six patients have undergone this aesthetic procedure with excellent results without specific complications. This new technique is very simple and effective wound healing methods and can greatly enhance the patient`s confidence.