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RISS 인기검색어
- 검색키워드
- 저자 : 임창영 ( Im Chang Yeong ) (검색결과 18 건)
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임창영,김요한,Im, Chang-Yeong,Kim, Yo-Han 대한흉부심장혈관외과학회 1993 Journal of Chest Surgery (J Chest Surg) Vol.26 No.10
Effrctive analgesia after elective thoracotomy can be provided by continuous extrapleural intercostal nerve block.This study was designed to prove the effectiveness of continuous extrapleural intercostal nerve block. Twenty patients undergoing elective thoracotomy were randomized into two groups. Group I received lumbar epidural block[N=10] and group II received continuous extrapleural intercostal nerve block[N=10]. Postoperative pain relief was assessed on Numeric Rating Scale[NRS] and recovery of pulmonary function was assessed by coparison of preoperatrive and postoperative FVC[Forced Vital Capacity], FEV1[Forced expiratory Volume in 1 second], VC[Vital Capacity]. Arterial blood gas analysis[ABGA], vital signs and amount of additive analgesics were compared also. No significant difference was observed between the groups concerning these parameters mentioned above. Systemic complications, such as urinary retention[2/10] and weakness of lower extremity[2/10], occurred in group I but no complication occurred in group II. We conclude that continuous extrapleural intercostal nerve block is as effective as epidural block in pain relief and restoration of pulmonary mechanics with fewer comlications. Also because of it`s ease and safetiness, this must be considered as a substitute of epidural block in routine use for thoracotomy pain relief.
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임창영,유회성,Im, Chang-Yeong,Yu, Hoe-Seong 대한흉부심장혈관외과학회 1993 Journal of Chest Surgery (J Chest Surg) Vol.26 No.1
Simultaneous bilateral bleb resection was done through bilateral transaxillary thoracotomy in 10 patients with spontaneous pneumothorax during the period from May 1991 to Novemver 1992 in whom bilateral bulla or bleb was detected with using simple chest X-ray and chest CT scanning. To compare the effectiveness of bilateral transaxillary thoracotomy, we investigated 10 unilateral transaxillary thoracotomy patients with spontaneous pneumothorax and two clinical reports from other institutes which dealt the results of bilateral bleb or bulla resection through median sternotomy also. In bilateral transaxillary thoracotomy group,mean operation time was 115 minute,mean intraoperative bleeding was 329 cc, mean postoperative hospital stay was 7.5 days. Postoperative ABGA[Arterial Blood Gas Analysis] was in normal range and postoperative recovery rates of FVC[Forced Vital Capacity], FEV1[Forced Expiratory Volume at 1 second], TV[Tidal Volume] were 84.3%, 93.4%, 88.7%,respectively. In median sternotomy group,mean operation time was 129 minute,mean intraoperative bleeding was 490 cc, mean postoperative hospital stay was 12.4 days. Postoperative ABGA was in normal range and postoperative recovery rates of FVC, FEV1 were 97.3%, 97.4%, respectively. In unilateral transaxillary thoracotomy group, postoperative ABGA was in normal range also and postoperative recovery rates of FVC, FEV1, TV were 91.6%, 99.0%, 96.0%,respectively. In conclusion, simultaneous bilateral bleb resection through bilateral transaxillary thoracotomy should be considered in pneumothorax patients with bilateral bleb or bulla because of cost-effectiveness[reducing hospital days] and better cosmetic result without any impairment in recovery of respiratory function.
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임창영,김요한,유회성,Im, Chang-Yeong,Kim, Yo-Han,Yu, Hoe-Seong 대한흉부심장혈관외과학회 1993 Journal of Chest Surgery (J Chest Surg) Vol.26 No.4
The pedicled omental flap has been used for treatment of various kind of complications in thoraxcic surgery. Its property of promoting neovascularization , immunilogic properties that limiting the spread of infection, providing soft tissue coverage are very effective in treatment esophageal fistulas. Also, congenital broncho-esophageal fistula [ BEF ] is a rare disease entity which was reported about 100 cases around the world. We experienced 27 years old female patient with Braimbridge type I congenital BEF. We performed division of BEF using stapler and pericardial patch coverage of esophageal side with concomittent left lower lobectomy. This patient was complicated with postoperative esophageal leakage with empyema thoracis. We have successfully managed these problems with re-thoracotomy and re-closure of esophageal fistula using Right Gastroepiploic Artery based pedicled omental flap wrapping around the esophageal anastomosis site. It is felt that pedicled omental flap is a very effective method to manage esophageal complication such as postoperative esophageal leakage.
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종격동에 발생한 Castleman`s Disease 1례 보고
임창영,김광택,김형묵,Im, Chang-Yeong,Kim, Gwang-Taek,Kim, Hyeong-Muk 대한흉부심장혈관외과학회 1988 Journal of Chest Surgery (J Chest Surg) Vol.21 No.3
Castleman`s disease is a rare disease entity of unknown etiology, with the characteristics of large, well marginated benign lymph node hyperplastic mass. This disease occurs predominantly in the mediastinum but also occurred in other areas of the body usually where lymph nodes are normally found. They have been divided into two histologic types: the hyaline vascular lesion which comprises over 90% of the cases; the plasma cell lesions, which was characterized by large follicle with plasma cell and systemic manifestation, such as fever, anemia elevated ESR, hypergammaglobulinemia, hypoalbuminemia. This disease have behaved in a benign fashion and complete surgical excision is the choice of treatment. We experienced a case of Castleman`s disease which was treated by surgical resection through the thoracotomy, and has good postoperative and follow up result. We report a case of the Castleman`s disease with its review.
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심내막염 환자의 동종대동맥편을 이용한 대동맥 근부 치환술 - 1례 보고 -
임창영,이헌재,Im, Chang-Yeong,Lee, Heon-Jae 대한흉부심장혈관외과학회 1997 Journal of Chest Surgery (J Chest Surg) Vol.30 No.8
세균성 심내막염에 의한 대동맥판 폐쇄부전의 수술치료에 있어서, 우수한 혈역학적 기능과 염증에 대한 높은 저항력 때문에 동종대동맥판을 사용한 수술이 우선적으로 고려되고 있다. 수술방법중에서 대동 맥근부 치환술이 관상동맥하 부착법에 비하여 술 후 대동맥관 폐쇄부전이 적게 발생하는 장점을 갖는다. 46세의 남자가 세균성 심내막염에 의한 급성 대동백판 폐쇄부전 및 심부전으로 내원하였다. 내과적 치료에 반응하지 않고 심부전이 점차 심해져서 20 m동종대동맥편을 이용한 대동맥근부 치환수술을 응급으로 시행하였다. 수술소견상 우관상판첨에 구멍이 나 있었고 좌, 우관상판첨사이의 교련에 심한 석회화가 있었다. 수술후 환자는 순조로이 회복되었고 심초음파검사상 이식된 동종동맥 판의 폐쇄부전소견 은 발견되지 않았다. 염증소견들도 술 후 8주간의 항생제투여로 소실되었다. 약물치료로 조절되지 않는 세균성 심내막염에 의한 급성 대동맥판 폐쇄부전을 동종동맥 판을 사용한 대동맥근부 치환수술로써 성 공적으로 치료하였다. Aortic valve replacement with aortic allograft has been considered a treatment of choice for aortic valve disease secondary to bacterial endocarditis because of its good homodynamic performance and higher resistance to infection. The aortic root replacement technique might be superior to the subcoronary allograft implantation technique with regard to aortic regurgitation. A 46 yea,rs old male patient had acute aortic regurgitation with progressing heart failure secondary to acute bacterial endocarditis. The patient underwent emergent aortic root replacement using 20 mm aortic allograft. At operation, right coronary cusp perforation and heavy calcification of commissure between right and left coronary cusp were observed. The patient recovered well and postoperative echocardiography demonstrated no aortic regurgitation. Inflammatory signs were subsided after 8 weeks of antibiotics therapy. Medically uncontrolled acute bacterial endocarditis was treated successfully by aortic root replacement using aortic homograft.
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김형묵,임창영,Kim, Hyeong-Muk,Im, Chang-Yeong 대한흉부심장혈관외과학회 1986 Journal of Chest Surgery (J Chest Surg) Vol.19 No.1
Augmentin is a formulation of amoxycillin trihydrate and potassium clavulanate, a fused beta-lactam molecule produced by the fermentation of Streptomyces clavuligerus. Most clinically important resistance is due to the production by bacteria of antibiotic destroying enzymes. In the case of penicillins and cephalosporins these enzymes are termed beta-lactamase as they destroy the beta-lectern ring of these antibiotics, completely inactivating them. The presence of clavulanic acid extends the spectrum of amoxycillin to include bet On clinical study of the intravenous Augmentin in the field of thoracic and cardiovascular surgical cases, we selected randomly 30 patients, 21 male and 9 female, age from 13 to 72, in the period from April to December 1985. Among the total 30 patients, 22 were preoperatively infected [11 thoracic empyema, 5 lobar pneumonia, 2 lung abscess, 2 bronchiectasis, one acute pyelonephritis with ureter stone and one rheumatic carditis], and 8 were not infected preoperatively [Table 1, 2]. Of the preoperatively infected group, 11 cases [50%] were culture positive [4 staphylococcus, 3 pseudomonas, 2 Serratia group, and one E. coli], and preoperatively non-infected group [8 cases] revealed expectedly negative findings on bacterial culture. All of the culture positive bacteria were sensitive to Augmentin on disc culture sensitivity test except one case of E. coli. Daily doses of intravenous Augmentin were 2.-1-6.0gm divided in 2-5 injections. Every injection administered [1.2gm at Augmentin dissolved in 20ml distilled water] slowly for more than 20 minutes. Duration of injection was variable according to the clinical conditions from minimum 5 to maximum 31 days. The results of antibiotic treatment with Augmentin and some other antibiotic combinations pre- and postoperatively were subgrouped as EXCELLENT, EFFECTIVE, and FAILURE. Clinical criteria of the therapeutic result were symptomatic, objective and laboratory improvement. 8 cases were excellent, 13 effective, and one failure among the preoperatively infected group, and all 8 cases of the preoperatively non-infected group were effective as pro;hylactive antibiotic therapy. Overall effective ratio was 97% in both subgroup. There was no side effect clinically and laboratory study including liver and kidney function test during and after the I.V. administration of Augmentin. Oral swallow tablets which were administered after discharge from hospital also revealed good effects with some degree of gastrointestinal trouble.
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인터넷상에서 실시간 3차원 경관시뮬레이션 시스템의 설계 및 구현
김병수,이지형,임창영,Kim, Byeong-Su,Lee, Ji-Hyeong,Im, Chang-Yeong 한국정보처리학회 1999 정보처리논문지 Vol.6 No.7
최근의 시뮬레이션 도구들은 새로 발표된 여러 가지 3차원 구현 기술들을 접목하여 제한된 2차원 화면 속에서 3차원 요소들을 효율적으로 구현 시켜 나가고 있는 추세이다. 본 논문에서는 이러한 현재의 기술적 상황에 기초를 둔 경관 시뮬레이션 도구를 구현하였으며, 자연과의 조화를 통한 인간의 보다 향상된 생활환경을 구상하여 설계할 수 있도록 고려하였다. 응용된 기술로는 인터넷을 기반으로 하는 가상현실구현에 대한 3차원상의 표준으로 주목받고 있는 VRML(Virtual Reality Modeling Language)과 자비를 연계한 EAI(External Authoring Interface)를 적용하였다. Recent simulation tools combine the 3-dimensional graphic technique to implement the 3D visualization of the objects in the 2-Dimensional computer display. In this paper, a sight simulation tool is implemented using the recent 3D techniques. The proposed sight simulator can be applied to improve the human environment with the harmony of the nature. The system is consisted of modules for topography, object, and navigation. A sight database for the sight elements(objects) is implemented using Java. Combined with Java, VRML, which is considered as the standard for 3D virtual reality in the Internet is used to implement EAI(External Authoring Interface). EAI allows the users to communicate with a VRML scene.
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