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Surgical correction of complex cyanotic cardiac malformations (청색증성 복잡심기형의 교정수술)

  • 김종환
    • Journal of Chest Surgery
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    • v.16 no.1
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    • pp.18-29
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    • 1983
  • Thirty-two patients with a cyanotic cardiac malformations having more complex intracardiac defects than ones in a tetralogy of Fallot underwent complete intracardiac repairs in a-full-year period from July 1981 to June 1982. Twenty-two patients [68.8%] died within 30 days after surgery: Transposition of the great arteries, seven of 10 patients; Double-outlet right ventricle, four of 6 patients; Tricuspid atresia, four of 6 patients; Single ventricle, all of 4 patients; Pulmonary atresia, two of 3 patients; Double-outlet left ventricle, none of 2 patients; and Truncus arteriosus, one of a single patient. All deaths occurred with a low cardiac output syndrome or a failed off-bypass, and they were almost always accompanied with other grave postoperative complications. The complex intracardiac anatomy itself was one of the risk factors by making a complete intracardiac repair of the defects difficult in a small heart. The reconstruction of the right ventricular outflow carried a difficulty in balancing an adequate relief of the obstruction with an avoidance of making too much pulmonary valvular insufficiency as well. On the other hand, the presence of an elevated pulmonary arterial pressure and a high pulmonary vascular resistance was also the factors affecting the postoperative surviv als. The importance of detailed knowledge of intracardiac anatomy and hemodynamics from the careful preoperative evaluation of the patient was discussed along with the necessity of technical refinement of the correction.

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Bilateral Alternating Bell's Palsy Treated with Stellate Ganglion Block -A case report- (양측 교대형 안면신경 마비의 치험 -증례 보고-)

  • Woo, Young-Cheol;Koo, Gill-Hoi
    • The Korean Journal of Pain
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    • v.11 no.2
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    • pp.326-331
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    • 1998
  • Facial nerve paralysis is a common pain clinical diagnosis. But ipsilateral or contralateral recurrent facial paralysis is found in about 2.6~19.5% of facial paralysis and especially bilateral facial paralysis is rare. While idiopathic facial paralysis is the most common diagnosis, a comprehensive evaluation must be completed prior to this diagnosis in patients with bilateral facial paralysis. A representative case of bilateral alternating facial paralysis treated with stellate ganglion block (SGB) is presented. A 57 years old male patient who had the onset of a right facial paralysis 7 months ago visited pain clinic. Five months after the onset of right facial paralysis, as it was improving, he developed a left facial paralysis. He had history of hypertension, diabetus mellitus and pain episode on mastoid process before facial paralysis developed. Electrical test showed incomplete neuropathy on both side and computed tomography (CT) scan was normal. He was treated with SGB, physical theraphy and aspirin medication. After 25 times SGB, he was recovered almost completely.

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A Feature of Producing the Symptom Complex Related to Pain and Discomfort by the Experimental Isometric Unilateral Canine Biting in Adult Females within Normal Masticatory Function (정상 성인 여성에 있어 실험적 견치부 등척성편측교합에 의한 동통성 증상 발현 현상)

  • Lee, Jeong Yeon;Shin, Geum Baek
    • Journal of Oral Medicine and Pain
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    • v.12 no.1
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    • pp.53-61
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    • 1987
  • In order to evaluate the effect of unilateral tooth clenching, the author observed a feature of producing the symptom complex related to pain and discomfort by the isometric unilateral canine biting under force of 5kg(FS) in Korean 31 adult females within normal masticatory function who were divided into the bilateral, the right and the left group according to their habitual sides of mastication, and analyzed the observed data statistically. The obtained results were as follows: 1. The duration of the isometric unilateral canine biting maintained before the occurrence of symptom complex related to pain and discomfort 66.72 seconds at right side and 39.50 seconds at left side in a group of subjects with bilateral habitual mastication. And the difference of the duration between of unilateral biting side was almost significant (P<0.05). 2. The most frequent region of occurrence of symptom complex related to pain and discomfort by the isometric unilateral canine biting was the contralateral superficial masseter muscle in a group of subjects with bilateral habitual mastication.

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The Analysis of Low Back Loading and Muscle Fatigue while Lifting an Asymmetric Load (비대칭무게중심을 지닌 물체 들기 작업시 허리부위 등근육 부하 및 피로 분석)

  • Han, Seung-Jo;Kim, Sun-Uk
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.35 no.2
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    • pp.30-36
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    • 2012
  • This study is aimed to show that an asymmetric load in the frontal plane leads to an increase in low back loading and fatigue in comparison with a symmetric load when workers lift an external weight by investigating previous studies and verifying the phenomenon with an experiment. Ten male subjects are required to lift and hold an given external load at 70cm height during 50sec, then the EMG amplitude and median frequency on bilateral low back muscle groups (Longissimus, Iliocostalis, and Multifidus) are recorded and analyzed. Independent variables are two-level load weight (13kg, 20kg) and three-level LCG (Center, 6.5cm to the right, and 13cm to the right), and dependent variables are EMG amplitude average, difference, and Fatigue Index (FI). Results show that load weight increases significantly amplitude average and FI, but LCG does significantly amplitude difference and FI significantly (P-value < 0.05). Also the correlation coefficient between amplitude difference and FI is over 0.99. These implies that trunk loading should be explained by not EMG amplitude but muscle fatigue aspect since the association between an external load and amplitude is linear, but the relationship between an external load and median frequency as muscle fatigue index is almost exponential.

Design of A Dual Band Branch Line Coupler Using a CRLH Transmission Line Structure (CRLH 전송선로 구조를 이용한 이중대역 브랜치 라인 커플러 설계)

  • Park, Min-Woo;Koo, Ja-Kyung;Lim, Jong-Sik;Jeong, Yong-Chae;Ahn, Dal
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.58 no.12
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    • pp.2462-2467
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    • 2009
  • This paper proposes a dual band branch line coupler (BLC) using a composite right/left handed (CRLH) transmission line. The existing dual band BLCs with open stubs require hundreds of line impedance for the open stub as the frequency bands approach to each other, so it has been almost impossible to realize them. However in the proposed BLC, a CRLH transmission line replaces the open stub with an extremely high line impedance so that the BLC circuit may be realized even two frequencies are close to each other. As an example, a dual band BLC operating at 1800MHz and 2300MHz (the frequency ratio is 1:1.28) is designed and measured. Open stubs with $560\Omega$ line impedance are replaced by CRLH transmission lines for realizing the dual band BLC. The measured performances prove that the dual band operation is well acceptable and the proposed design method is successful even the ratio between two frequencies is not around two nor more.

Internet Governance in the light of Human Rights (인권적 관점에서 본 인터넷 거버넌스)

  • Park, Seong Hoon
    • Review of Korean Society for Internet Information
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    • v.14 no.3
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    • pp.52-57
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    • 2013
  • Information and Communication Technologies(ICTs) have substantially enlarged both the opportunities to realize one's human rights but have also resulted in the emergence of new challenges. ICTs are so deeply embedded and cental to almost all aspects of human activity. And ICTs are assuming an increasingly central role in all aspects of human and societal development across the world. But this is especially true of the right to privacy, which faces challenges such as profiling and data mining for public(including national security) and private purposes. ICTs access is a fundamental right for all humans in the information age. So we have need for regulation based on human rights in the digital age. And governments have a responsibility to protect individuals against violations of human rights and data protection by public authorities, but also by private entities. In addition, internet governance and multi-stakeholder principle have to be stressed on all of the internet issues because internet governance is included in the principle of democracy which have bottom-up communication and equality. So it is very importance that Internet Governance Forum is the space for a meaningful discussion on public policy issues relating to the internet.

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A Case Report of Tracheal Bronchus Associated with Pulmonary Actinomycosis (폐방성균증을 동반한 기관기관지 환자 수술 치험 1예)

  • 양승인;이형렬;박준호;이민기;박순규;김건일;이창훈
    • Journal of Chest Surgery
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    • v.36 no.11
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    • pp.878-882
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    • 2003
  • Tracheal bronchus is an aberrant, accessory or ectopic bronchus arising almost invariably from the right lateral wall of the trachea and may be related to inflammatory conditions affecting the lung, including recurrent pneumonia, bronchiectasis. Recently we experienced a case of tracheal bronchus associated with pulmonary actinomycosis. The 37-year-old male patient had suffered recurrent hemoptysis and had been medicated as a presumptive diagnosis of tuberculosis, but either clinical or radiologic improvement was not seen. Right upper lobectomy was performed and pulmonary actinomycosis was confirmed by the histologic examination. Postoperatively, the patient was medicated with penicillin and ampicillin for 3 months and completely recovered without any evidence of recurrence during the 6month follow-up period.

A STUDY ON THE MOVEMENTS OF THE MANDIBLE IN CLEFT LIP AND PALATE INDIVIDUALS (순, 구개열자의 하악운동에 관한 연구)

  • Hong, Sung-Joon;Suhr, Cheong-Hoon
    • The korean journal of orthodontics
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    • v.15 no.1
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    • pp.105-114
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    • 1985
  • In order to obtain the basic data of the movements of the mandible for orthodontic treatment and gnathosurgery of cleft individuals, the ranges and shapes of the movements of the mandible were measured in frontal, sagittal, and horizontal view with Saphon Visi-Trainer CII, in 19 adult cleft lip and palate individuals. The subjects included 5 BCLP, 9 UCLP, and 5 CLA patients. The measurements were compared with the values of normal individuals reported by Kang 1. Frontal view. The mean values for maximal laterotrusion were almost the same as those previously reported for the normal individuals. Mandibular deviation in maximal opening was usually toward the right, while it was mainly toward the left in normal individuals. Typical shield was formed only in the CLA group. 2. Sagittal view; The mean value for maximal protrusion was not different from that of normal group and antero-posterior deviation showed a significant difference. The angle of maximal protrusion and horizontal plane was less than that of normal group. 3. Horizontal view; The mean values for maximal laterotrusion and protrusion were not different from those of the normal group. The angle of the laterotrusion and horizontal plane was larger in the left and smaller in the right.

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A Clinical Case Report of Writer's Cramp by Only Acupuncture (서경(書痙:Writer's cramp) 환자에서 침치료로 호전된 치험 1례)

  • Hwang, Jae-Pil;Kim, Hyun-Soo;Kim, Min-Kyun;An, Soon-Sun;Hong, Seo-Young;Heo, Dong-Seok;Yoon, Il-Ji
    • Journal of Korean Medicine Rehabilitation
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    • v.18 no.3
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    • pp.211-217
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    • 2008
  • Objectives : The purpose of this study is to evaluate the clinical effect of acupuncture and electroacupuncture by meridian theory to a patient with writer's cramp. Methods : We treated this patient with only acupuncture and electroacupuncture by meridian theory. We evaluated the state of improvement by time to maintain right 2nd finger extended, Pain Disability Index(PDI). PDI was measured twice before treatment and after 19 weeks. Results and Conclusions : The subject was improved in estimation by time to maintain right 2nd finger extended, PDI. The time was from a few seconds to almost 90 minutes. PDI was from 21 to 17. According to above result, acupuncture and electroacupuncture by meridian theory were effective to improve symptoms of writer's cramp.

Classification of Elderly Men's Sole from the 2D Scanning Method

  • Kim, Nam Soon;Do, Wol Hee
    • Fashion & Textile Research Journal
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    • v.15 no.3
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    • pp.414-422
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    • 2013
  • This study identifies the foot shapes of elderly men by classifying foot types according to the shapes of sole of foot and analyzing individual characteristics. The subjects were 269 elderly men over 60 years of age. Their right feet were measured indirectly with a 2D scanner. The anthropometric measuring items consisted of 38 items that were estimated on the right foot of each subject. The 2D scan data were analyzed by various statistical methods such as factor analysis, ANOVA and cluster analysis using the statistical program SPSS 19.0. A total of 8 factors were extracted through a factor analysis and these factors represent 77.83% of total variance. The 8 factors were: ball and lateral foot protrusion, ball gradient, medial foot protrusion, anterior and posterior foot length ratio, lateral ball length, heel size, toes breadth, and foot length, that explained 77.83% of the total variance. A total of 4 clusters (as their sole type) were categorized using 8 factor scores by cluster analysis. Type 1 was classified as H-type(toes width, foot width, heel width uniform and medial malleolus and lateral malleolus almost no protrusion). Type 2 was classified as V-type(foot width and toes width, wide and heel width narrow). Type 3 was classified as A-type(foot width and heel width, wide but toes width narrow, protruded inside). Type 4 was classified as D-type(protruded outside).