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박혜연,김종훈,박경일,황철웅,김태년,남궁준,도준형,이원로,이성윤 白中央醫療院 2005 仁濟醫學 Vol.26 No.1
Brugada syndrome is characterized by right bundle branch block morphology and ST segment elevation in the right precordial leads and a propensity to develop ventricular arrhythmias. Mutations in a cardiac sodium channel gene have been linked to this syndrome, and the ionic mechanisms responsible for the electrocardiographic phenotype are temperature-dependent. This case report describes a patient in whom a typical Brugada ECG pattern developed during fever and returned normal ECG after fever was subsided.
김종훈,남궁준,박혜연,황철웅,박경일,도준형,이성윤,이원로 白中央醫療院 2005 仁濟醫學 Vol.26 No.1
The transient left ventricular apical ballooning syndrome, also known as takotsubo cardiomyopathy is a recently described novel cardiac syndrome. This syndrome is characterized by transient asynergy of the ventricular apex or mid-ventricle in the absence of obstructive epicardial coronay artery disease. This report concerns two types of morphologic difference about left ventricular apex and mid-ventricle. In this case, we report two types of stress-induced cardiomyopathy with review of literatures.
( Hyung Joon Kim ),( Sun Young Cho ),( Woo Hee Cho ),( Do Hyun Lee ),( Do Hyoung Lim ),( Pil Won Seo ),( Mi Hyun Park ),( Wonae Lee ),( Jai Hyuen Lee ),( Doh Hyung Kim ) 대한결핵 및 호흡기학회 2013 Tuberculosis and Respiratory Diseases Vol.75 No.5
Superior vena cava syndrome (SVCS) is usually caused by extrinsic compression or invasion of the superior vena cava (SVC) by malignant tumors involving mediastinal structures. Although thymomas are well-known causes of SVCS, cases of SVCS caused by malignant thymomas protruding into adjacent vessels draining the SVC with thrombosis have been very rarely reported worldwide. We experienced a 39-year-old female patient with SVCS that developed after the direct invasion of the left brachiocephalic vein (LBCV) and SVC by an anterior mediastinal mass with a high maximum standardized uptake value on the chest computed tomography (CT) and positron emission tomography-CT. Based on these results, she underwent en bloc resection of the tumor, including removal of the involved vessels, and was eventually diagnosed as having a type B2 thymoma permeating into the LBCV and SVC. We present this case as a very rare form of SVCS caused by an invasive thymoma.
Kim, Hyung Joon,Cho, Sun Young,Cho, Woo Hee,Lee, Do Hyun,Lim, Do Hyoung,Seo, Pil Won,Park, Mi-Hyun,Lee, Wonae,Lee, Jai Hyuen,Kim, Doh Hyung The Korean Academy of Tuberculosis and Respiratory 2013 Tuberculosis and Respiratory Diseases Vol.75 No.5
Superior vena cava syndrome (SVCS) is usually caused by extrinsic compression or invasion of the superior vena cava (SVC) by malignant tumors involving mediastinal structures. Although thymomas are well-known causes of SVCS, cases of SVCS caused by malignant thymomas protruding into adjacent vessels draining the SVC with thrombosis have been very rarely reported worldwide. We experienced a 39-year-old female patient with SVCS that developed after the direct invasion of the left brachiocephalic vein (LBCV) and SVC by an anterior mediastinal mass with a high maximum standardized uptake value on the chest computed tomography (CT) and positron emission tomography-CT. Based on these results, she underwent en bloc resection of the tumor, including removal of the involved vessels, and was eventually diagnosed as having a type B2 thymoma permeating into the LBCV and SVC. We present this case as a very rare form of SVCS caused by an invasive thymoma.
전향적 연구에 의한 경주지역 주민의 Helicobacter pylori 재감염률 및 관련요인
도준형(Joon Hyung Doh),강복수(Pock Soo Kang),황태윤(Tae Yoon Hwang),이경수(Kyeong Soo Lee),김석범(Seok Beom Kim),김상규(Sang Kyu Kim),김호각(Ho Gak Kim) 대한내과학회 2002 대한내과학회지 Vol.63 No.4
Background : High prevalence of Helicobacter pylori (H. pylori) in developing countries may result in high reinfection rate after eradication therapy, but there were few studies on H. pylori reinfection, especially in community population. The aim of this study was to investigate the one -year reinfection rate of H. pylori after successful eradication therapy and the factors related to the reinfection of H. pylori in community population. Methods : 86 persons who had been confirmed as H. pylori-negative by 13C-urea breath test were included. They were ones of 181 persons treated by eradication regimen one year ago because of H. pylori-positive in serologic H. pylori antibody test and rapid urease test. The reinfection rate of H. pylori and the factors related to the reinfection of H. pylori were investigated after one-year follow-up. The subjects were confirmed as H. pylori reinfection by repetitive 13C-urea breath test and asked to answer the questionnaire regarding demographic characteristics, dyspepsia symptoms, health-related behaviors and family history. Results : The one-year reinfection rate was 18.6% in this study. The one-year reinfection rate of the subjects who aged above 50 years was 23.4% (p<0.05). The symptom score (total 5) was positively related to H. pylori reinfection (p<0.05). In multivariate logistic regression analysis, the subjective symptom score was the significant factor in predicting H. pylori positivity by 13C-urea breath test (OR=4.5, p<0.05). Conclusion : During 1 year period after successful H. pylori eradication, the reinfection rate of H. pylori was 18.6%. The subjective symptom score survey by questionnaire may be useful predictor of H. pylori reinfection in community setting.(Korean J Med 63:357-368, 2002)
도준형(Joon Hyung Doh),최정윤(Jung Yoon Choe),김재훈(Jae Hoon Kim),김창수(Chang Soo Kim),오동호(Dong Ho Oh),최병렬(Byung Reul Choi),류재근(Jae Kean Ryu),현대성(Dae Sung Hyun),김호각(Ho Gak Kim),김용진(Yong Jin Kim),김상경(Sang Gyung 대한내과학회 1999 대한내과학회지 Vol.56 No.2
Catastrophic antiphospholipid syndrome is a rare clinical syndrome characterized by acute multi-organ failure occurring in patients with antiphospholipid antibodies. It is associated with involvement of several end-organs particularly kidneys, lungs, gastrointestinal tracts and adrenal glands and presents catastrophic clinical pictures such as acute renal failure with thrombotic microangiopathy, myocardial failure, adult respiratory distress syndrome, convulsion and disseminated intravascular coagulation. Conventional treatments(e.g. intravenous heparin, steroid, immunosuppressants) were not effective, while plasmapheresis seems to be a useful therapy. We experienced a case of catastrophic primary antiphospholipid syndrome in 41-year-old woman proved by renal biopsy and immuno-serological tests. She developed acute renal failure, multiple esophageal and oral ulcers, adult respiratory distress syndrome, abnormal elevation of hepatic and pancreatic enzymes and signs of disseminated intravascular coagulation. Evidences of any other connective tissue diseases were not found. Renal biopsy revealed features of thrombotic microangiopathic nephropathy and serum antiphospholipid antibody level was elevated(34GPL). In spite of steroid, cyclophosphamide and supportive therapies, her respiratory distress was not improved.
도윤정,김준형,박윤선,박재석,백승덕,김성자,이영현,김정란 東國大學校醫學硏究所 2003 東國醫學 Vol.10 No.2
효도균증(cryptococcosis)은 후천 면결핍증후군, 장기이식환자 등 세포매개면역 기능이 저하된 사람에서 주로 발생하고 대개는 수막염등 중추신경계의 감염으로 나타나게 되며 폐에 단독으로 감염되는 경우는 흔하지 않다. 폐효모균증이 조직학적으로 증명되는 경우는 대개 부검시 발견되고 약 20%정도에서 배양검사로 확인된다. 저자들은 내원당시 흉부 방사선 소견상 폐암으로 의심되어 개방적 폐생검을 통한 조직검사에서 폐효모균증으로 확인된 1예를 경험하였기에 문헌고찰과 함께 보고하고자 한다. Cryptococcosis occurs mainly in the patients with decreased cell-mediated immune system such as acquried immune deficiency syndrome and organ system, like meningitis. Single infection directly to the lung is unlikely. Cryptococcosis is mostly diagnosed pathologically by autopsy, where 20% is detected in the culture studios. We experienced a case of cryptococcosis by open lung biopsy in a 49 year old woman, whitch was suspected as a lung cancer in the chest radiograph, and therefore reporting the case along with the consideration.
김준형,도윤정,박윤선,김남일,김성자,유석동,이영실 東國大學校醫學硏究所 2003 東國醫學 Vol.10 No.2
갑상선 중독발증은 기존의 갑상선 기능항진증의 증상이 급격히 악화된 상태로, 매우 드물지만 조기에 치료하지 않으면 사망률이 매우 높은 질환이다. 흔히 고열, 발한, 빈맥, 위장관 증상과 함께 의식 변화 등의 중추신경계 증상이 나타나게 되며, 이러한 임상적 소견으로 조기에 진단하고 치료하는 것이 매우 중요하다. 특히 갑상선 중독발증으로 인한 뇌증은 급성 신경증 또는 혼수 등의 중추신경계 증상을 나타내는 환자들에서 감별이 필요한 질환으로서, 저자들은 의식의 변화를 동반한 갑상선 중독발증 3예를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. Thyrotoxic crisis (thyrotoxic storm) is a rare and life-threatening exacerbation of hyperthyroidism, which requires early recognition and aggressive treatment. If unrecognized, thyrotoxic crisis is highly fatal. All patients with thyrotoxic crisis presented with hyperthermia, marked tachycardia, gastrointestinal dysfunction and thyrotoxic encephalopathy. Especially, thyrotoxic encephalopathy should be considered in the complete differential diagnosis of any patient presenting with acute psycosis or coma. We experienced 3 cases of thyrotoxic crisis diagnosed by clinical manifestations, which were hyperthermia, marked tachyarrhythmia, heart failure and mental change, and treated by standard pharmacological measures.
The effect of nanotubular titanium surfaces on osteoblast differentiation.
Kim, Jae-Hyung,Cho, Kwan-Pyo,Chung, Young-Suk,Kim, Ok-Su,Chung, Sung-Soo,Lee, Kyung-Ku,Lee, Doh-Jae,Lee, Kwang-Min,Kim, Young-Joon American Scientific Publishers 2010 Journal of Nanoscience and Nanotechnology Vol.10 No.5
<P>The biological response of fetal rat calvarial cells on a TiO2 nanotubular surface (Ti-NT) was evaluated by cell viability assay, alkaline phosphatase (ALP) activity and reverse transcription polymerase chain reaction (RT-PCR) analysis. The cell viability assay showed no significant difference between the Ti-NT and smooth titanium surfaces (Ti-S). Ti-NT had better cellular responses with regard to the ALP activity and bone-associated markers, such as bone sialoprotein and osteocalcin mRNA than Ti-S. These results suggest that Ti-NT stimulate the differentiation into osteoblasts of fetal rat calvarial cells, potentially contributing to rapid osseointegration.</P>