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      • KCI등재

        흉요추 및 요추 골절의 추체 압박 및 후만 변형 측정

        손광현,정남수,전창훈 대한척추외과학회 2010 대한척추외과학회지 Vol.17 No.3

        Study Design: A retrospective radiologic study. Objectives: We wanted to compare the compression ratio and kyphosis of thoracolumbar and lumbar fractures according to the radiologic measuring methods and we wanted to analyze their relationship with the stability of fracture. Summary of the Literature Review: There are several methods for measuring the compression ratio and kyphotic angle in thoracolumbar fractures, but no definitive measurements and no different values according to the stability have been established. Materials and Methods: From July 2002 to August 2008, the plain films, CT, MRI and medical records of thoracolumbar and lumbar fracture were reviewed. The compression ratio and kyphotic angle were calculated by several different formulas with using the lateral view of the plain X-ray film, the sagittal reconstruction image of CT and the sagittal image of MRI and the results were compared. Each subject was classified according to both McAfee’s classification and the TLISS classification. Results: Two hundred forty eight vertebral bodies of 205 thoracolumbar fracture patients were analyzed. The compression ratio according to formula 1, which was calculated as 1-anterior vertebral height/posterior vertebral height, was significantly correlated with Cobb’s angle and the local kyphotic angle. There was no significant difference between the Cobb’s angle calculated using the lateral X-ray and that using the sagittal view of CT; however, it was significantly less using the sagittal MRI view. The unstable fractures according to McAfee’s classification showed a significantly higher compression ratio and kyphotic angle compared to those of the stable fractures. Conclusions: The compression ratio formula 1 was most significantly correlated with the kyphotic deformity. The unstable fractures showed a mean compression ratio higher than 30%, a mean Cobb’s angle of 15° and local kyphotic angle of 18°. The sagittally reconstructed CT was a useful measuring method for the evaluation of kyphotic deformity, and it was more accurate than that of the plain film. 연구계획: 후향적 방사선학 연구목적: 흉요추 및 요추 골절에서 측정 방법에 따른 압박률 및 후만각의 차이를 비교하고 골절 안정성과의 상관관계를 분석하고자 하였다. 선행문헌의 요약: 흉요추부 골절에서 압박률과 후만각을 측정하는 여러가지 방법들이 있으나 아직 통일되어 추천되는 방법은 없고, 최근의 흉요추부및 요추골절의 분류에 따른 안정성 여부와의 관계에 대한 연구가 부족하다. 대상 및 방법: 2002년 7월부터 2008년 8월까지 흉요추부 또는 요추의 급성 척추 골절로 진단된 환자들의 단순 방사선 사진과 전산화 단층촬영, 자기공명영상과 의무기록을 분석하고, 여러 가지 측정 방법에 의해 압박률, 후만각을 각각 계산하였다. McAfee 분류 및 thoracolumbar injury severity score(TLISS) 각각에 따른 골절 안정성과의 상관 관계를 분석하였다. 결과: 총 205명 환자의 골절 척추체 248예를 분석하였다. 측면 단순 방사선 검사상 후방 추체 높이에 대한 전방 추체 높이의 비를 계산한 압박률 측정방법 1에서 압박률이 가장 크게 계산되었고, Cobb’s 각도나 국소 후만각과 가장 높은 상관관계를 나타냈다. 시상면 자기공명영상 검사에서는 Cobb’s 각도가 의미 있게 작게 측정되었다. McAfee분류 및 TLISS에 따른 분류에서 안정성 골절보다 불안정성 골절에서 압박률과 후만 변형이 크게 나타났다. 결론: 흉요추 및 요추 골절의 추체 압박률 측정 방법 중 후방 추체 높이에 대한 전방 추체 높이의 비를 계산한 압박률 측정 방법 1이 후만 변형과 가장 높은 상관 관계를 보였다. 불안정성 골절은 측정 방법에 상관없이 30% 이상의 압박률을 보였으며, Cobb’s 각도 15°, 국소 후만각 18°이상을 나타냈다. 시상면 재건 전산화 단층촬영에서 Cobb’s 각도 및 국소 후만각은 단순 방사선 사진에서의 값과 통계적 차이가 없었고 측정 오차가 작았다.

      • De´terminant의 통사구조 분석 : A propos du GN en fonction sujet

        손광현 청주대학교 국제문제연구원 1990 國際文化硏究 Vol.7 No.-

        Nous nous proposons d'e´tudier le me´canisme syntaxique des de´terminants en francais moderne dans le cadre de la grammaire ge´ne´rative et transformationnelle. L'objet de notre e´tude consiste y¨observer les proprie´te´s syntaxiques et les relations combinatoi- res des de´terminants du GN tout particulie´rment en fonction sujet dans une phrase et y¨faire, une application du mode´le de Dubois au corpus, corpus etabli par nous-me^mes, et puis, y¨voir jusqu’ y¨quel degre´ il execute 1'ade´quation explicative. Pour ce faire, nous avons commence´ par verifier 1'hypothe´se the´orique de Dubois. Et nous avons trouve´ que cette formule permet de rendre compte des combinaisons possibles des diffe´rents de´terminants. Toutefois elle parait trop formaliste sur certains points, en particulier dans la re´e´criture du de´monstratif. D’ autre part, au niveau des e´le´ments terminaux e1le laisse une possibilite´ de choix entre le de´fini et le non de´fini, sans pre´ciser quels sont les crite´res de ce choix. De plus, elle ignore totalement le partitif. or, ce dernier proble´me parait aise´ment soluble du termes me^mes de grammaire ge´ne´rative et transformationnelle. En effect, il suffit de conciderer le trait [+comptable] ou [-comtable]. A partir de ces faits nous avons pu arriver y¨la conclusion que la re´gle de re´e´criture du de´terminant . D→ (pre´Art) +Art+ (postArt) est plus raisonnable. Et on peut considerer que les quantitatifs relatifs (beaucoup de? peu de ?)sont une forme pronominalisee dont de´pend S.P. De plus, on pourrait me^me contester 1'ade´quation de la formule de Dubois pour le cas de la relation combinatoire entre pre´article (plus de, moins de, assez de) et postarti- cle nuome´ral. Dans ces derniers cas, il s'agit done en fait de structures complexes. Il vaut donc mieux ne pas les mettre sur le me^me plan que les de´terminants simples. Mais nous remetons y¨plus tard pour une e´tude plus syste´matique les propriete´s sy- ntaxiques et les relations combinatoires du de´terminant de GN en diffe´rentes fonctions. Donc cdtte premie^re approche exigerait d'e^tre approfondie. Et il faudrait encore pouvoir re´pondre y¨la question : Y a-t-il d'autres propriete´s sp cifique des constituants du de´terminant surtout au niveau se´mantique ? C'est un des sujets y¨traiter y¨1'avenir.

      • SCOPUSKCI등재

        폐결핵 잔류병변에 대한 폐늑막 절제술 100례

        손광현,이남수,Son, Gwang-Hyeon,Lee, Nam-Su 대한흉부심장혈관외과학회 1985 Journal of Chest Surgery (J Chest Surg) Vol.18 No.1

        During the period of seven years from Jan. 1976 to Jan. 1983, one hundred cases of pulmonary tuberculous residual lesions were resected at the Department of Thoracic Surgery, Paik Hospital in Seoul, Korea. During the period of this study, 1764 patients were admitted with the diagnosis of pulmonary and/or pleural tuberculosis in the medical and surgical department as a primary or associated conditions. Among these 1764 patients, one hundred selective cases were operated. The results were as follows; l. Extents of the disease by the predominant clinical pictures were: totally destroyed lung; 18, destroyed lobe; 6, cavitary lesion with or without positive sputum; 35, bronchiectasis; 7, bronchostenosis with atelectasis; 2, empyema with or without BPF; 20, pleural thickening; 4, tuberculoma; 3, bullous cyst with tuberculosis; 5 cases, or per cent [Table 1]. 2. Male and female ratio was 1.2:1 or 55 and 45 per cent. Age distribution ranged 15 and 55 with average of 33 years [Table 2]. 3. Type of procedures were: pleuropneumonectomy; 15, pneumonectomy; 25, lobectomy; 37, bilobectomy; 6, lobectomy plus segmentectomy; 3, pleurectomy; 14 cases, or percent, Site of resections were: right; 58 and left; 42 cases, or per cent [Table 3]. 4. Incidence of complications were 10 per cent and the mortality was 4 per cent. The causes of morbidity were analyzed. The main causes of death were pulmonary insufficiency; 2, cardiac arrhythmia; 1, and hepatic insufficiency; 1 case or per cent [Table 4]. 5. Pathologic examinations of the resected pulmonary and pleuropulmonary lesions were observed by gross specimen, correlating with the pre-operative indications of the disease [Fig. 1, 2, 3, 4, 5, 6].>br> 6. Anti-tuberculous chemotherapy was done for 6 to 18 months, post-operatively, in 80 patients. Of these 49 cases were need medication for 12 months [Table 5]. Except the four operative mortality and a case of post-operative recurrent buberculosis under medication, all the other 95 cases are well in activity and free from the disease at the moment.

      • SCOPUSKCI등재

        혈액희석 체외순환법에 관한 임상적 관찰 -상온하 Rygg-Kyvsgaard 산화기 및 Sigmamotor pump 사용예를 중심으로-

        손광현 대한흉부심장혈관외과학회 1970 Journal of Chest Surgery (J Chest Surg) Vol.3 No.2

        Clinical perfusion data on 16 cases of cardiopulmonary bypass using Sigmamotor pump and RyggKyvsgaard Oxygenator which performed at Seoul National University Hospital during the period of Aug. 1968 to Aug. 1970 was analized. AIl cases were hemodiluted and the perfusion was carried out under the normothermic condition. The age of the patients ranged between 6 and 43 years. The b:dy weight varied between 18.3 and 54.0 kg and the body surface area between 0.78 and 1. 59$M^2$. The priming solution was consiste:I with fresh ACD blood. Hartmann solution and Mannitol. The average amount of priming was approximately 2242 ml. The average hemodilution rate was 17%. The flow rate ranged from 1.7L to 3.5L/Min/$M^2$ and averaged 2.4L/Min/$M^2$ or 78mI/Min/kg. The duration of perfusion varied from 22 to 110 min with average of 56.9 minutes. Some hemodynamic responses were observed. The arterial pressure dropped immediately after the initiation of partial perfusion and was more marked after the total perfusion foIlowed by gradual increase to the safety level. The central venous pressure reflected the reduced blood volume especially in the cases of prolonged perfusion which lasted over 60 min. In most of the cases, red blood cell count decreased and white blood ceIl count increased after the perfusion. Hemoglobin level was decreased, averaging of 12.5mg%, Hct 3.3% and platelets count of 18% postoperatively. Plasma hemoglobin increased mildly, from pre-perfusion average value of 4. 06mg% to postperfusion value of 22.5mg%. Serum potassium was 4.4mEq/L pre-operatively and was decreased to 3.7mEq/L postoperatively. Five cases showed definite hypopotassemia immediately after the operation. Sodium and chloride decreased mildly. These electrolyte changes are thought to be related with hemodilution. diuretics and reduced blood volume during and after the perfusion. Arterial blood pH value revealed minimal to moderate elevation from preperfusion average value of 7.376 to 7.461 during perfusion and then 7.365 after perfusion. The pC02 and hicarbonate showed minimal to moderately lowered values. The total CO2 was decreased. Buffer base decreased during perfusion (Av. 42.6mEq/L) and further decreased after the perfusion (Av. 40.8mEq/L). These arterial blood acid base changes suggested that the metabolic acidosis was accompanied by respiratory alkalosis during and immediately after the perfusion. Authors belived that the acidosis could more effectively be corrected with the more additional dose of bicarbonate than we used by this study. The chest tune drainage during the first 24 hours following operation was 1158 ml in average. One case (Case No. 15) showd definite bleeding tendency and it was believed that the cause might be due to the defect of heparin and protamine titration. The average urinary out put during 24 hours post-perfusion was 1291ml. One case (Case No. ]) showed definite post perfusion oliguria. As conclusion hemodilution using fresh ACD blood. Hartmann and Mannitol solution added with Bivon and high flow rate unler normothermia. was thought to amelioratc the severity of mctabolic acidosis during and after perfusion with relatively satisfactory effect on the diuresis and bleeding tendency.

      • 장기이식의 현황 및 추세 : 서울중앙병원 장기이식 프로그램 현황을 중심으로

        손광현 울산대학교 의과대학 1994 울산의대학술지 Vol.3 No.1

        우리나라의 의료환경속에서 장기이식분야는 1994년 현재까지 동양권에서 비교적 착실하게 그 실적을 진전시켜 왔다고 할 수 있다. 신장이식에 관한 한 특히, 생체신장이식의 경우 국내 33개 이식기관에서 총, 4,233 례(93년말 현재)가 실시되었으며, 말기 신장질환 환자에 대하여, 신투석에 이어 충분히 하나의 치료방법으로 확립된 분야라고 할 수 있다. 각막질환으로 인한 실명환자에 대한 각막이식의 경우는 더욱더 보편화되어 있으며, 백혈병 환자에 대한 골수이식 분야도 많이 진전되어 왔다고 본다. 이제, 우리가 당면한 장기이식의 과제는 개발단계에 있는 이식분야, 특히 간장, 췌장 및 심장이식 분야에서 그리고 아직까지는 초기 단계에 있는 폐장이식 분야에서 미국 및 구라파 여러나라의 장기이식의 이론과 실제를 우리의 것으로 현실화하고 적용하는 문제이다. 우선, 공여자(Donor) 확보를 위해서는 뇌사(Braindeath)가 확립되고 법제화되어 있어야 하나, 현재까지도 진척과정에 놓여있다. 법제화과정은 논리적으로는 의학적 이식술의 진도가 앞서가고 제도는 적절한 시기에 뒷받침되어도 무방하다는 관점이 있다. 즉, 학문적 수준이 높고, 인류와 사회에 대한 의학적 기여가 크게 인정받고 있는 선진 여러나라에서는 이식의 사회적, 윤리적 인식과 기준이 합리적으로 이해되어 있기 때문이다. 우리의 경우에는 현실적으로 장기인식에 관련된 진료비 또는 보험적용 문제라든가, 장기이식의 전문센터(기관)의 육성과 이식학회가 추진중인 장기공여제도 등이 현시점에서 잘 확립되어야 할 과제들이라고 여겨진다. 저자는 최근 2년 간의 서울중앙병원 장기이식의 국제적 동향에 맞추어 앞으로 전개해 나갈 이식의료의 방향을 파악하는데 필요한 기초자료를 삼고자 한다.

      • 原發性 縱隔洞 腫瘍 : 22例 手術治驗 A Report of 22 Cases

        孫光鉉,李南洙 인제대학교 1983 仁濟醫學 Vol.4 No.3

        原發性 縱隔洞腫瘍 大動脈瘤, 食道, 氣管 等에 發生하는 腫瘍 및 轉移性 二次腫瘍을 鑑別 除外할 경우, 그 發生頻度가 比較的 드물어서 本 報告 症例 Series의 分析에서 보면, 年間 2.8名 꼴이다. 著者들의 22 手術 治驗例에 對한 良性 및 惡性腫瘍의 特性들을 臨床的으로 觀察하였다. During the period of 8 years from August 1975 to August 1983, 22 cases of pathologically proven primary mediastinal tumors were seen at the department of thoracic surgery, Inje Medical College, Paik Hospital in Seoul, Korea. Among these 22 mediastinal tumors, 16 patients were benign tumors and 6 patients were malignant tumors. The age distribution is ranged from 3 to 50 years of age with a average of 31 years. Male to female ratio is 1.8 : 1. Incidence of the tumors by the histologic diagnosis is as follows: Benign tumors, teratodermoid; 22.7%, neurogenic tumors; 18.2%, cystic conditions; 18.2%, granuloma; 9.1%, thymoma; 4.5%, Malignant tumors, malignant thymoma; 4.5%, malignant lymphoma; 13.6%, embryonal carcinoma and malignant fibrous histiocytoma 1 case with 4.5%, respectively. Sixteen benign tumors were all resected without morbidity and mortality. Two malignant tumors of the thymic origin and fibrous histiocytoma is removed and improved(Fig. 4 and 5). Two out of three malignant lymphoma group were received chemotherapy postoperative and improved. One embryonal carcinoma was survived for 3 months after the exploratory biopsy and chemoradiotherapy (Table 4). Six representative cases were presented by the roentgenology, gross findings and microscopic findings as shown in the figure 1 to 6.

      • KCI등재

        간질의 분류법에 대한 동서의학적 문헌고찰 및 새로운 제안

        손광현,김문주,Son, Kwang-Hyun,Kim, Moon-Ju 대한예방한의학회 2010 대한예방한의학회지 Vol.14 No.2

        The major purpose of this study is to evaluate the classification of epileptic seizure types and epilepsy described in the literatures of both Western and East Asian medicine, especially based on the two criteria- a theoretical and a practical aspect of the classification systems. Currently, the 1981 classification of epileptic seizure types, and the 1989 classification of epilepsy syndromes and epilepsies which were proposed and approved by the International League Against Epilepsy(ILAE) have been generally accepted worldwide, although a variety of modifications have been consistently suggested. A large proportion of epilepsy cases cannot be easily classified as either 'focal' or 'generalized' or as either 'symptomatic' or 'idiopathic', so they fail to be precisely fallen into any of the ILAE categories. Terms and concepts used in the East Asian medicine are also inadequate to identify epileptic seizure types and epilepsy syndromes as discrete diagnostic entities because of ambiguities in definition and use. Therefore, this article suggests an alternative approach not only more helpful in understanding mechanism of epilepsy but also more easily applicable and effective in clinical value.

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