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석회화된 앞세로칸 종괴와 유사하게 보이는 갈비뼈에서 발생한 골연골종: 증례 보고
이창윤,함수연,오유환,이성호,김광택 대한영상의학회 2007 대한영상의학회지 Vol.57 No.6
단순 흉부 촬영에서 전종격동 종괴와 유사하게 보이는 왼쪽 5번째 늑골의 앞쪽 활에서 자라난 합병증을 동반하지 않은 골연골종을 보인 22세 남자 환자에 대한 증례를 경험하였기에 영상소견을 병리소견과 함께 보고하고자 한다. In this report, we present an interesting description of an osteochondroma arising from the anterior arc of the left fifth rib mimicking an anterior mediastinal mass. Surgical excision confirmed the lesion to be a non-complicated osteochondroma of the rib abutting underlying the parent bone.
자기 조절 개념을 적용한 음성치료 기법이 발성장애 환자에게 미치는 효과
이창윤,안수연,손희영 대한후두음성언어의학회 2019 대한후두음성언어의학회지 Vol.30 No.1
Background and Objectives:The goal of this study is to present a strategy for improving the self-regulation (SR) ability and facilitating the change of vocal behavior by applying voice therapy using the SR concept to the patients with vocal cord nodule and muscle tension dysphonia. Materials and Method:The subjects were 80 patients and 80 patients who were diagnosed with muscle tension dysphonia and vocal nodules. As a control group, the results were compared among patients with the same dysphonia without using SR strategies. The concept of SR before voice therapy was explained to the patients, and the treatment was divided into three stages according to the goal of voice therapy. The treatment stages consist of 1) skill acquisition, 2) habit formation, and 3) habit changes. voice therapy was performed by applying SR strategies such as goal implementation intentions and a less routine behavior. Patient’s dropout rates were measured to compare the adherence of voice therapy. Results: Significant improvement was seen in all groups receiving voice therapy. However, in the group using the SR strategy, the voice analysis results showed a relatively low dropout rate of voice therapy. In the generalization confirmation stage, patients who applied SR concept showed better results. SR strategy did no longer be necessary to maintain newly adopted vocal behavior. Conclusion:The results of this study show that SR is one of the cognitive factors that can have a significant impact on the outcome of voice therapy, and also has a positive impact on the acquisition and generalization of new skills. A better understanding of SR and the development of therapeutic strategies using it will play an important role in solving voice problems in clinical settings.
일측 성대마비 환자에 대해 음성치료와 성대주입술의 초기 치료 효과 비교 연구
이창윤,안수연,장현,손희영,Lee, Chang-Yoon,An, Soo-Youn,Chang, Hyun,Son, Hee Young 대한후두음성언어의학회 2017 대한후두음성언어의학회지 Vol.28 No.2
Background and Objectives : The purpose of this study was to classify patients with unilateral vocal fold paralysis according to their fixed location and to analysis the effects of two treatment methods by early voice therapy and injection laryngoplasty. Materials and Methods : Twenty patients who were classified as full abduction and slight abduction according to the position of paralysis were treated injection laryngoplasy, and 23 patients were treated by voice therapy. Twenty patients were treated injection laryngoplasy and 23 patients were treated voice therapy. Results were evaluated by acoustic analysis, electroglottography, cepstrum analysis before and after therapy. The voice therapy was conducted by improving the larynx movement and glottal contact, whilst removing hypertension of the supraglottic and use the breathing. Results : Significant improvement was found in the acoustic parameter, cepstrum parameter, and EGG before and after treatment in both groups. There was no significant difference between the two groups when compared before and after treatment to compare the effects of injection laryngoplasty and voice therapy. Conclusion : The initial treatments for unilateral vocal cord paralysis are injection laryngoplasty and voice therapy. however, there is no precise standard about which method should be applied first. Therefore, in this study, we tried to classify patients according to their paralysis position and then apply two methods. The results of this study suggest that voice therapy and Injection laryngoplasty at the initial stage is a very useful method to improve voice quality of vocal fold paralysis and improve laryngeal function.
이창윤,안수연,장현,손희영,Lee, Chang-Yoon,An, Soo-Youn,Chang, Hyun,Son, Hee Young 대한후두음성언어의학회 2016 대한후두음성언어의학회지 Vol.27 No.1
Background and Objectives : This study aims to conduct post-voice therapy to patients with unilateral vocal fold paralysis for vocal improvement, motility recovery and analyze the results. Materials and Methods : Voice therapy was conducted to 13 patients who had shown response to voice therapy amongst 98 patients diagnosed with unilateral vocal fold paralysis. In order to be able compare before and after perceptual, acoustic and aerodynamic evaluations were conducted after voice therapy. Also, by using dysphagia checklist, we have verified whether if the patient had dysphagia prior to voice therapy. The therapy was conducted by improving the larynx movement and glottal contact, whilst removing hypertension of the supraglottic. Results : All 13 patients who underwent voice therapy had shown improvements that are statistically significant from 4 scales excluding the S scale from auditory perception evaluation (p<0.05), with enhanced glottal contact. In acoustic evaluation, Jitter, Shimmer and NHR had shown significant improvement after voice therapy. MPT was also notably improved among aerodynamical evaluation (p<0.001). All 11 patients had with dysphagia prior to voice therapy reported to have improved swallowing functions. Conclusion : Application of adequate voice therapy to patients with unilateral vocal fold paralysis, is an effective method that might be employed in the initial phase. Especially, the voice therapy proposed in this study is expected to be useful for patients in hypertension status due to secondary compensation after initial paralysis, since it focuses on improving vocal symptoms in a calm state with the supraglottis sufficiently relaxed. Also, the therapy is expected to be effective for improving swallowing functions.
이창윤 김천과학대학 2009 김천과학대학 논문집 Vol.35 No.-
Frank Lloyd Wright placed highest value on the human being and enjoyed presenting new ideas and forms to create better environment for the human through his architecture and house design projects. While he was presenting new ideas he continued to support design for democracy which has close relationship to the new frontier spirit of America. This research is an analysis of F.L. Wright's works from the floor plan system of house project. The research began with finding out the relationship between his architecture, nature and the supporting design elements (cubism, organic, Frobel system, 9 division) mentioned above. The purpose of the research is to analyze the relationship of the spatial organization and the design elements in Frank Lloyd Wright's architectural works from the point of floor plan system and provide the valuable guide line for the development of the modem house design.
이창윤 김천과학대학 2008 김천과학대학 논문집 Vol.34 No.-
The environment friendly design consist of the characteristics of recycling, reusing items and source reduction. 1. Recycling turns materials that would otherwise become waste into valuable resources 2. Reusing items - by repairing them, donating them to charity and community groups, or selling them -also reduces waste. 3. Waste prevention, or "source reduction," means consuming and throwing away less. This Study was written as part of the trend of the furniture design which environment friendly was applied to can minimize the environmental Burden through the Resources and Energy Consumption Reduction and Cyclic Utilization within the earth Ecosystem, and proceed to the Presentation of the Possibility to solve the recent environmental problems.