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방정현,김호경,이두연,Bang, Jeong-Hyeon,Kim, Ho-Gyeong,Lee, Du-Yeon 대한흉부심장혈관외과학회 1991 Journal of Chest Surgery (J Chest Surg) Vol.24 No.4
Postemetic rupture of the esophagus is an intrathoracic catastrophe which is universally fatal if untreated immediately. We have experienced one case of Boerhaave`s syndrome at the Thoracic & Cardiovascular Surgery Yonsei University College of Medicine. He was 56 years old male who complained severe chest-pain, dyspnea with sudden vomiting after alcohol. Esophagogram showed barium leakage through rupture site on lower esophagus into left thoracic cavity. He had taken repair of the rupture site of lower esophagus and wrapping it with the body of the stomach wall because of relatively clean rupture margin even though 48 hours following the rupture. He has been uneventful in post-operative courses & he discharged with good conditions.
고양이의 절제된 폐단면에 histoacryl 의 폐쇄효과에 대한 실험적 연구
이두연,오중환,방정현,Lee, Du-Yeon,O, Jung-Hwan,Bang, Jeong-Hyeon 대한흉부심장혈관외과학회 1990 Journal of Chest Surgery (J Chest Surg) Vol.23 No.2
Segmental resection or wedge resection of the lung and direct cutting across of bronchi frequently results in postoperative airleaks or bronchopleural fistula in some cases. Many methods have been devised to handle air leak problems by oversuturing the raw edges, the application of pleural onlay flaps, the use of cautery or tissue adhesives, but these still has not solved the problem of air leaking from raw surfaces of the lung with only partial successful we have tried the use of histoacryl to closure the raw surface of the resected lung and compared it’s results with of the closure with chromic catgut sutures in cats from May 1989 to Jan. 1990 at the department of the thoracic and cardiovascular surgery, Yonsei University, College of Medicine. Ninety lobe of the lungs were used in this study and forty nine of which have been divided segmentally and closed with histoacryl on the raw surfaces. Forty one of which have been divided segmentally and closed with sutures using chromic catgut for control. There were air leakages in twelve cases among 49 cases with applying histoacryl and airleak were in two cases among 12 cases with reapply histoacryl, But there were air leak in two cases among 41 cases with sutures using chromic catgut and airleak were in one case among with resutures using chromic catgut.
경부 갑상선의 유두상 미세암과 동반된 원발성 이소성 종격동내 갑상선종
홍사민,봉진구,방정현<SUP>1<.SUP>,신미정<SUP>2<.SUP>,김현옥<SUP>3<.SUP>,Sa Min Hong,M.D.,Jin Gu Bong,M.D.,Cheong Hyun Bang,M.D.<SUP>1<.SUP>,Mi Jeong Shin,M.D.<SUP>2<.SUP> and Hyun Ok Kim,M.D.<SUP>3<.SUP> 대한갑상선-내분비외과학회 2006 The Koreran journal of Endocrine Surgery Vol.6 No.1
True primary mediastinal ectopic goiters are quite rare, and they occur in less than 1% of all goiters. We report here on a case in which a primary mediastinal ectopic goiter was accompanied with papillary microcarcinoma of the cervical thyroid. The mediastinal ectopic goiter was not connected to the cervical thyroid and its blood was supplied from intrathoracic vessels, which necessitated a thoracotomy or sternotomy for removal rather than a standard cervical collar incision. We performed total thyroidectomy for the papillary microcarcinoma of the cervical thyroid gland and transsternal removal for the mediastinal goiter; this resulted in a favorable outcome. (Korean J Endocrine Surg 2006;6:50-54)
이두연 ( Doo Yun Lee ),방정현 ( Jung Hyun Bang ),김호경 ( Ho Kyung Kim ),김상진 ( Sang Jin Kim ) 대한외상학회 1990 大韓外傷學會誌 Vol.3 No.1
The diaphragmatic rupture is very rare disease which have to be repaired with emergency operative procedures. But this diaphragmatic rupture could not be detected in early period because of emergency care of other critical combined injuries in some cases. We had experienced 2 cases who had the delayed repair of diaphragm, 9 months, and 10 years after primary treatment of major lesions due to car accident in the Department of Thoracic and Cardiovascular surgery Yonsei University Collge of medicine recently. The two cases are uneventful in postoperative courses 4 months and 1 years after the repair of ruptured diaphragm.
양원모(Yang, Won-Mo),방정현(Bang, Jeong-Hyeon) 대한교통학회 2007 대한교통학회 학술대회지 Vol.56 No.-
DSRC(Dedicated Short Range Communications)란 주파수 대역이 5.8GHz인 단거리 전용통신 기술로 우리나라, 일본, 미국, 유럽등 많은 나라에서 ITS분야에 활발히 이용하고 있으며, 특히 일본에서는 ETCS등 ITS 각 분야의 표준 기술로 채택되어 활용되고 있으며 우리나라는 현재 한국도로공사의 ETCS의 표준 규격으로 채택되어 상용화단계에 이르렀다. 이러한 DSRC는 그 특성상 전자결제 이외에도 사용가능한 용도가 다양하다. 본 논문은 교통정보를 DSRC를 이용하여 차량의 단말장치(PDA)에 실시간으로 교통정보를 제공하고 단말장치의 H/W ID를 활용하여 구간소통정보를 보정하는 방법에 대한 연구이다. 교통관리서버는 노변에 설치된 기지국(RSE : Road Side Equipment)을 통해 교통정보를 DSRC 통신방식으로 주행중인 차량에게 전송한다. 차량내 DSRC 통신모듈인 OBU(Onboard Unit 또는 OBE)는 해당 정보를 수신 받아 단말장치에게 전송하고 단말장치의 교통정보제공 S/W는 화면에 정보를 그림 및 문자로 표시하고 TTS(Text To Sound)엔진을 통해 음성으로 안내한다. 교통정보가 수신되면 교통정보제공 S/W는 PDA의 H/W ID를 교통관리서버로 전송한다. 서버는 이 정보를 교통정보수집용 데이터베이스에 기록되며, 해당 이력정보를 이용하여 구간소통정보를 산출 할 수 있다. Dedicated Short Range Communications(DSRC) is a block of spectrum in the 5.8GHz band. DSRC is the useful technology of ITS Service. Japan operates ETCS, VICS by DSRC technology and DSRC technology is used ETCS Standard in Korea. There are many kind of utilization of DSRC in ITS. This is a study for traffic information service and collection with DSRC. Traffic management server service traffic information to driving vehicle by RSE(Road Side Equipment). OBU(Onboard Unit) in vehicle send the information to PDA(Personal Digital Assistant). Client S/W show the information to driver by text, pictogram, sound and return PDA H/W ID to OBU. Server make section traffic information by the PDA H/W ID information.
나찬영,이영탁,김웅한,정철현,정윤섭,방정현,김욱성,이섭,한재진,정도현,정일상,박중원,박영관,홍승록,문현수,Na, Chan-Young,Lee, Young-Tak,Kim, Woong-Han,Chung, Chul-Hyun,Jung, Yoon-Seop,Bang, Jeong-Hyin,Kim, Wook-Seong,Lee, Sub,Han, Jae-Jin,Chung, D 대한흉부심장혈관외과학회 1996 Journal of Chest Surgery (J Chest Surg) Vol.29 No.11
관상동맥우회술은 인공심폐기 및 심근보호의 안정성으로 인공심폐기사용하에 시행하는 것이 보편화된방법이다. 그러나, 좌전행지 및 우관상동맥에 병소가 위치하는 경우는 인공심폐기의 사용없이 심장이 박동하는 상태에서 관상동맥우회술을 시행하는 방법도 일부에서 시행되어왔다 저자들은 좌전행지 및 대각지에 협착을보인 환자에서 인공심폐기를 사용하지 않고 성공적으로 관상동맥우회술을 시행하였기에 보고하는 바이다. Coronary artery bypass grafting without cardiopulmonary bypass is now one of accepted technique of myocardial revascularization. This technique is an alternative method for patients with lesions in the left anterior descending coronary artery and right coronary artery. We report a case of coronary artery bypass grafting without cardiopulmonary bypass or cardiac arrest.