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Unusual Presentation Chronic Pulmonary Embolism due to Calcified Right Ventricular Mass
현여경,조윤형,이부현,박형복 한국심초음파학회 2011 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.19 No.2
Cardiac calcified amorphous tumors (CATs) can arise in all four chambers of the heart. Cardiac CATs can cause diverse symptoms according to their locations, and mass or embolic effects. Pulmonary emboli arising from cardiac CATs have been reported, but the true incidence is unknown due to their rarity. Herein we report a rare case with diffuse CATs in the right ventricle which caused a calcific pulmonary embolism and right-sided heart failure. Echocardiography, chest non-contrast computed tomography,and cardiac magnetic resonance imaging helped us diagnose the CATs. We recommend the usefulness of a multimodality imaging approach to characterize intracardiac masses and their complications accurately.
하동대,여경현,이동근 釜山大學校生産技術硏究所 1996 生産技術硏究所論文集 Vol.51 No.-
초기 선형설계 단계에서 우수한 선형을 신속하고 정확하게 도출하는 것은 매우 중요하다. 본 연구에서는 기준선의 횡단면 면적곡선과 DWL형상 및 선수미 형상의 체계적인 변화를 통하여 우수한 선형을 신속하고 정확하게 도출하는 방법을 연구하였다. In the initial step of ship design, it is necessary to find out an excellent hull form. So this paper introduces a systematic hull form variation method which generates a new hull form by varying the sectional area curve and design waterline and bow, stern profile based on a mother ship. Finally the applicability and usefulness of the new method are demonstrated.
신종 인플루엔자 A (H1N1) 감염으로 입원한 성인 폐렴 환자의 임상양상
한창훈 ( Chang Hoon Han ),현여경 ( Yu Kyung Hyun ),최유리 ( Yu Ri Choi ),성나영 ( Na Young Sung ),박윤선 ( Yoon Seon Park ),이꽃실 ( Kkot Sil Lee ),정재호 ( Jae Ho Chung ) 대한결핵 및 호흡기학회 2010 Tuberculosis and Respiratory Diseases Vol.69 No.1
Background: A novel 2009 influenza A (H1N1) virus emerged and disseminated to all over the world. There are few reports on the clinical characteristics of patients with complications. We describe the clinical features of pneumonia in adult patients hospitalized, who have novel influenza infection. Methods: There were 43 adult patients enrolled into the study with pneumonia of 528 hospitalized patients confirmed influenza A (H1N1) virus infection by real-time reverse transcriptase polymerase chain reaction testing, between 24 August 2009 and 31 January 2010. The clinical data of patients with pneumonia were collected retrospectively. Results: There were 22 of 43 (51.2%) influenza patients with pneumonia that had higher risk factors for complications. Compared to 28 patients with influenza A (H1N1) viral pneumonia and 15 patients, who had isolated bacteria from cultures, those with mixed viral and bacterial pneumonia were significantly more likely to have unilobar consolidations on chest radiographs (53.3 vs. 10.7%, p<0.01) and higher scores of pneumonia severity index (PSI; 90 [66~100] vs. 53 [28~90], p=0.04). Six patients required mechanical ventilation support in an Intensive Care Unit and were more likely to have dyspnea (83.3 vs. 29.3%, p=0.02) and low levels of PaO2 (48.3 [37.0~70.5] vs 64.0 [60.0~74.5] mm Hg, p=0.02) and high levels of pneumonia severity index (PSI) score (108.0 [74.5~142.8] vs. 56.0 [40.5~91.0], p=0.03). Conclusion: The majority of pneumonia patients infected with novel influenza improved. Chest radiographic findings of unilobar consolidations suggest that mixed pneumonia is more likely. Initial dyspnea, hypoxemia, and high levels of PSI score are associated with undergoing mechanical ventilation support.
혈액투석환자에서 십이지장벽의 이물질을 내시경으로 제거한 후 발생한 후복막 출혈
이민경 ( Min Kyung Lee ),현여경 ( Yu Kyung Hyun ),김윤지 ( Yoon Ji Kim ),윤수영 ( Soo Young Yoon ),조준희 ( Joon Hee Joh ),이종인 ( Jong In Lee ),조재희 ( Jae Hee Cho ),김희만 ( Hee Man Kim ) 대한소화기학회 2011 대한소화기학회지 Vol.58 No.4
Fish bones are often ingested accidently. Most of them passes out through the gastrointestinal tract safely, but serious complications, such as perforation, abscess, obstruction, and bleeding in the gastrointestinal tract, can occur. An ingested fish bone can be easily removed by endoscopy, and surgery is rarely required. However, there may be complications related to the endoscopic procedure including mucosal laceration, bleeding, fever, and perforation. Here, we report a case of retroperitoneal hemorrhage developed after endoscopic removal of a fish bone stuck in the duodenal wall, and then resolved spontaneously by conservative care. (Korean J Gastroenterol 2011;58:212-216)