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Amplatzer<sup>®</sup> 혈관폐색장치를 이용한 거대 폐동정맥기형 색전술 1예
정기환,이승화,신철,김제형,Jung, Ki Hwan,Lee, Seung Hwa,Shin, Chol,Kim, Je Hyeong 대한결핵및호흡기학회 2009 Tuberculosis and Respiratory Diseases Vol.67 No.1
Pulmonary arteriovenous malformation (PAVM) is a rare pulmonary vascular anomaly due to an abnormal communication between the pulmonary artery and vein. The most common presenting symptom is a dyspnea on exertion related to this right-to-left shunt. If left untreated, PAVM has been known to result in serious complications. Incomplete pulmonary capillary network can be the cause of cerebral abscesses and other noninfectious neurological complications, such as stroke and transient ischemic attacks due to paradoxic embolism Transcatheter embolotherapy, using coils or balloons, has replaced surgical resection as the treatment of choice for PAVM. However, the risk of device embolization has limited the use of coil embolotherapy, while the size of PAVM is huge. Recently, Amplatzer$^{(R)}$ Vascular Plug has been proposed as an alternative endovascular occlusion device for arteriovenous malformation. We report a case of 81-year-old male patient with a giant PAVM, which was successfully treated by transcatheter embolotherapy using the Amplatzer$^{(R)}$ Vascular Plug. 폐동정맥기형은 드문 폐혈관 질환으로 출혈, 뇌농양, 기이 색전증(paradoxical embolism)에 의한 여러 신경학적 합병증의 발생 위험을 증가시켜 치료를 요한다. 과거에는 수술적으로 제거했으나, 최근에는 주로 코일 및 풍선 등의 다양한 색전물질을 이용한 경피적 색전술을 시행하여 치료하는 추세이다. 거대 폐동정맥기형의 경우에는 색전술 시행 과정에서 코일이 전신 순환으로 빠져 나가 장치 색전증 등의 합병증을 일으킬 위험이 높다. 저자들은 호흡곤란을 주소로 내원한 81세 남자 환자에게서, 지속되는 저산소혈증의 원인으로 거대 폐동정맥기형을 진단하고, Amplatzer$^{(R)}$ 혈관폐색장치를 이용한 경피적 색전술로 치료한 1예를 경험하였기에, 문헌 고찰과 함께 보고하는 바이다.
정기환 ( Ki Hwan Jung ),이승화 ( Seung Hwa Lee ),이주한 ( Ju Han Lee ),조원민 ( Won Min Jo ),신철 ( Chol Shin ),김제형 ( Je Hyeong Kim ) 대한결핵 및 호흡기학회 2010 Tuberculosis and Respiratory Diseases Vol.68 No.6
Intralobar pulmonary sequestration is a rare congenital lung anomaly. It is defined as a portion of nonfunctioning lung parenchyma that receives its blood supply from an anomalous systemic artery. Patients often present with chronic or recurrent pneumonia. A chest radiograph may show a cystic lesion with air-fluid levels in the lung base. A high index of suspicion is needed for a diagnosis. Surgical removal of a symptomatic intralobar pulmonary sequestration is generally the treatment of choice. Identifying the aberrant artery is a difficult problem when resecting a pulmonary sequestration. The thoracic and abdominal aortas are the most common origins for the abnormal blood supply. However, arterial supply from the celiac artery is quite rare. We present a case of intralobar pulmonary sequestration with the blood supply originating from the celiac artery.
PDA 사용방법의 e-Learning 교육을 위 한 Flash 컨텐츠의 설계
정기환 ( Ki-hwan Jung ),전인오 ( In-oh Jeon ),양해술 ( Hea-sool Yang ) 한국정보처리학회 2005 한국정보처리학회 학술대회논문집 Vol.12 No.2
정보화시대로 시대의 빠른 변화에 발맞추어 개인정보관리의 중요성과 휴대용 멀티미디어 기기의 보급이 높아짐에 따라 점차 PDA와 PDA폰에 보급률이 높아지기 시작하였다. 그러나 기초적인 교육자료의 부족으로 인해 고성능에 값비싼 많은 단말기들을 제대로 활용하지 못하는 사람들이 많다. 본 논문에서는 Flash강좌와 사용자의 수준에 따라 여러 변수에 대응하는 분류와 설계 간단하게 구현된 것을 분석하고 설계한다..
CDMA망의 핸드오프패턴을 이용한 지하철 네비게이션 시스템
정기환 ( Ki-hwan Jung ),이하용 ( Ha-yong Lee ),양해술 ( Hae-sool Yang ) 한국정보처리학회 2007 한국정보처리학회 학술대회논문집 Vol.14 No.1
수도권에서 가장 신뢰받고 많이 이용되어지는 대중교통 지하철이라는 대중교통 자원을 훨씬 더 효율적으로 이용할 수 있도록 광범위한 특정 사용자층을 대상으로 한다는 것에 연구의 큰 효율성과 차별성을 가지고 있다. 이미 이전에 관련기반에 대한 특허 있어서는 많은 부분 특허출원이 되고 연구되었지만 상업화에 대한 뚜렷한 성과가 없고, 기술적인 구현에 있어서도 좀 더 보강하여 상업화와 기술적인 구현에 대한 가이드라인을 제시하였다.
동종 조혈모세포이식 후 비분류성 간질성 폐렴으로 사망한
정기환 ( Ki Hwan Jung ),성화정 ( Hwa Jung Sung ),이주한 ( Ju Han Lee ),한정호 ( Joung Ho Han ),신철 ( Chol Shin ),박형주 ( Hyung Joo Park ),김제형 ( Je Hyeong Kim ) 대한결핵 및 호흡기학회 2009 Tuberculosis and Respiratory Diseases Vol.66 No.2
Despite the improvements in supportive care, early and late hematopoietic stem cell transplantation-related complications still remain a significant cause of morbidity and mortality. Pulmonary complications occur in 40∼60% of patients who undergo allogeneic hematopoietic stem cell transplantation. Late-onset noninfectious pulmonary complications can occur months and even years after transplantation. Interstital lung disease has also been reported to be a late post-transplant complication. Exposure to cytotoxic drugs and/or irradiation has been implicated as a cause of pulmonary toxicity including pulmonary fibrosis. We report a case of an 18-year-old female with non-classifiable interstitial pneumonia that manifested eight and a half years after allogeneic hematopoietic stem cell transplantation. The condition worsened rapidly and the patient eventually died.
정기환 ( Ki Hwan Jung ),허규영 ( Gyu Young Hur ),정혜철 ( Hye Cheol Jeong ),이승룡 ( Sung Yong Lee ),이상엽 ( Sang Yeub Lee ),김제형 ( Je Hyeong Kim ),신철 ( Chol Shin ) 대한내과학회 2006 대한내과학회지 Vol.71 No.5
Chemical pneumonitis usually occurs after occupational exposure and inhalation of various noxious gases, fumes and chemical compounds. There have been reports of different clinical cases after inhalation of many organic acids, but chemical pneumonitis after nitric acid inhalation has rarely been reported, especially in Korea. Nitric acid is a strong acid that`s commonly used in the industrial field and its respiratory exposure can cause diverse reactions, including pulmonary edema. We experienced a 34 year-old patient who had an excessive cough and dyspnea after an acute massive exposure to nitric acid fumes at his workplace, where they refined and polished the metals. He was tachypneic and the arterial blood gas analysis showed hypoxemia on hospital admission. The chest radiograph showed patchy consolidation and diffuse interstitial opacities on whole lung fields. Five days later after conservative management that included an oxygen supply in the intensive care unit, his symptoms were improved and the hypoxemia was corrected. At the 8th day, the chest radiograph became normal.(Korean J Med 71:562-566, 2006)