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박기남(Ki Nam Park),곽병수(Byeng Su Kwak),강승식(Seong Sik Kang),최시완(Si Wan Choi),최용석(Yong Suk Choi),김백수(Baeg Su Kim),전은석(Eun Seok Jeon),박종훈(Chong Hun Park),김응중(Eung Joong Kim),이영(Young Lee),조문준(Moon June Cho) 대한내과학회 1994 대한내과학회지 Vol.47 No.2
About twenty-five percent of primary heart tumors are malignant. We experienced a case of synovial sarcoma. A 48-year-old man was admitted to CNUH with Dyspnea on exertion and chest pain. Preoperative diagnosis of the cardiac tumor was made on the basis of 2-dimensional echocardiography. A cardiac synovial sarcoma was resected unsuccessfully, Pathologic diagnosis was synovial sarcoma. The patient was recommended to have combined multimodality treatment including postoperative chemotherapy regimen and Radiotherapy. He was dead 12 months after resection because of heart failure.
박기남(Ki-Nam Park),정규환(Gyu-Hwan Jung),이훈영(Hoon-Young Lee) 한국인터넷전자상거래학회 2012 인터넷전자상거래연구 Vol.12 No.3
We suggested new extended Technology Acceptance Model(TAM) and test various theoretical research hypotheses relating to mobile application. This study examined the acceptance factors of mobile applications focused on external variables such as the perceived risk and two-side network effects, the characteristics of mobile media, user innovation and social influence. The proposed model was empirically tested using data collected from a survey of mobile application users. The results of hypothesis testing are as follows. First, the characteristics of mobile media positively influence perceived ease of use and usefulness of mobile application users. Second, perceived risk negatively influences on perceived usefulness and value attitude of mobile application users. Third, two-sided network effects negatively influence on perceived purchase risk. Fourth, perceived purchase risk was negatively influenced by social influence. The results of study will provide practical implications on the mobile application
성대 주입술과 리도카인 주입술을 통해 치료한 난치성 근긴장성 발성장애
안유영,정준영,박기남,이승원,An, You Young,Jeong, Jun Yeong,Park, Ki Nam,Lee, Seung Won 대한후두음성언어의학회 2021 대한후두음성언어의학회지 Vol.32 No.2
Muscle tension dysphonia (MTD) is a voice disorder characterized by excessive tension of the laryngeal muscles during phonation. Voice therapy is the gold standard of treatment for MTD. However, patients with MTD do not always respond to voice therapy. Multidisciplinary approaches have been attempted to treat intractable MTD such as lidocaine instillation, lidocaine injection to recurrent laryngeal nerve, botox injection and excision of false ventricle using CO<sub>2</sub> laser. Recently, injection laryngoplasty is suggested that assists in more efficient phonation and voice therapy to MTD patients. A patient with intractable MTD underwent lidocaine injection and injection laryngoplasty showed improved voice quality and remained stable until postoperative 3 months without any complications.
사례기반예측시스템의 정확한 예측을 위한 최적 결합 사례개수결정방법에 관한 연구
이훈영(Hoon Young Lee),박기남(Ki Nam Lee) 한국경영학회 1998 經營學硏究 Vol.27 No.5
A case-based forecasting system has been used to predict the outcome of current problem using those of past analogous cases. However, the effectiveness of its forecasting depends on the three factors: (1)accurate measure of similarity, (2)appropriate determination of the number of cases to combine, and (3)appropriate weighting of similar cases when combining them to produce a forecast. Among these three, determining the number of cases to combine is the most critical to the accuracy of forecasting. In this paper, we thus focused on the second, though briefly addressing these all three factors. We suggested several methods to determine the number of cases to combine, such as (1)fixed number combining methods, (2)optimal spanning methods, and (3)mathematical programming model using similarity distribution. A simulation study was conducted to test their effectiveness for accurate forecasting. It proved mathematical programming model using similarity distribution the best among the suggested.
웹 서비스품질이 사이버 브랜드자산의 구축에 미치는 영향에 관한 연구
이훈영(Hoon Young Lee),박기남(Ki Nam Park) 한국마케팅학회 2000 마케팅연구 Vol.15 No.1
본 연구는 브랜드자산에 관한 기존연구들 고찰하여 지금까지 정의되지 않았던 사이버브랜드 자산의 개념을 새롭게 정의하고 그 구성 요소들을 구성하였다, 또한 웹 서비스라는 용어에 관한 학문적 정의를 내리고 웹 서비스의 품질을 구성하는 구성요소로 정보서비스 품질차원과 광고서비스 품질차원을 정의하였다.정의된 웹 서비스 품질차원들을 바탕으로 사이버 브랜드자산의 구성요소들에 미치는 영향을 실증 분석한 결과 웹 서비스품질이 대부분의 사이버 브랜드자산의 구성요소들에 유의한 영향을 미치는 것으로 나타났다. 이 연구의 결과는 향후 대규모 광고를 수행할 수 없는 중소규모 사이트들의 사이버 브랜딩전략의 수립에 실질적인 시사점을 제공할 수 있을 것으로 기대한다.
심실내 전도장애 환자에서의 99mTc-RBC Gated Blood-Pool Scintigraphy 을 통한 Phase Image Analysis
이강욱(Kang Wook Lee),곽병수(Byeng Su Kwak),최시완(Si Wan Choi),강승식(Seung Sik Kang),박기남(Ki Nam Park),전은석(Eun Seok Jeon),박종훈(Chong Hun Park) 대한핵의학회 1994 핵의학 분자영상 Vol.28 No.1
N/A It is known that the normal His-Purkinje system provides for nearly synchronous activation of right (RV) and left (LV) ventricles. When His-Purkinje conduction is abnorrnal, the resulting sequenee of ventricular contraction must be correspondingly abnormal. These abnormal mechanical consequences were difficult to demonstrate because of the complexity and the rapidity of its events. To determine the relationship of the phase changes and the abnormalities of ventricular conduction, we performed phase image analysis of Tc-RBC gated bJood pool scintigrams in patients with intraventricular conduction disturbances (24 complete left bundle branch block (C-LBBB), 15 complete right bundle branch block (C-RBBB), 13 Wolff-Parkinson-White syndrome (WPW), 10 controls). The results were as follows; 1) The ejection fraction (EF), peak ejection rate (PER), and peak filling rate (PFR) of LV in gated blood pool scintigraphy (GBPS) were significantly lower in patients with C-LBBB than in controls (44.4 +- 13.9% vs 69.9 +- 4.2%, 2.48 +- 0.98 vs 3.51 +- 0,62, 1.76 +- 0.71 vs 3.38 +- 0.92, respectively, p<0.05). 2) In the phase angle analysis of LV, Standard deviation (SD), width of half maximum of phase angle (FWHM), and range of phase angle were significantly increased in patients with C-LBBB than in controls (20.6+ 18.1 vs S.6+ I.8, 22. 5+ 9.2 vs 16.0+ 3.9, 95.7+ 31.7 vs 51.3+5.4, respectively, p< 0.05). 3) There was no significant difference in EF, PER, PFR between patients with the WolffParkinson-White syndrome and controls. 4) Standard deviation and range of phase angle were significantly higher in patients with WPW syndrome than in controls (10.6+2.6 vs 8.6+1.8, p<0.05, 69.8+11.7 vs 51.3+5 4, p < 0.001, respectively), however, there was no difference between the two groups in full width of half maxirnurn. 5) Phase image analysis revealed relatively uniform phase across the both ventriles in patients with normal conduction, but markedly delayed phase in the left ventricle of patients with LBBB. 6) ln 13 cases of WPW syndrome, the site of preexcitation could be localized in 10 cases (77%) by phase image analysis. Therefore, it can be concluded that phase irnage analysis can provide an accurate noninvasive method to detect the mechanical consequences of a wide variety of abnormal