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임철수,류정호,엄명도,황진우,김예은 한국대기환경학회 2004 한국대기환경학회지 Vol.20 No.2
Diesel engines which emit a lot of PM and NOx have been known as a main air polluter. Especially, diesel particulate matters (DPM) including black smoke are hazardous air pollutants to human health and environment. The nations retaining advanced engine technologies have reinforced emission regulations. To meet these regulations diesel engine manufacturers have developed low-emission diesel engines, aftertreatment equipments, alternative fuel technologies and so on. In this study, particle number concentrations characteristics according to particle size and engine driving conditions were analyzed when these low-emission technologies were applied. There was a tendency of increasing particle number concentrations from heavy-duty diesel engines with increasing engine rpm and load rate. In the cases of CDPF (Catalytic Diesel Particulate Filter), CNG (Compressed Natural Gas) engine and ULSD (Ultra Low Sulfur Diesel) more than 99% of particle number concentration were removed.
고위험군의 원발성 전신성 유전분증 1례 보고 및 조혈모세포이식에 대한 문헌고찰
심준,박수정,엄현석,김기영,박은정,강인중,조병식,이안희,한치화 대한조혈모세포이식학회 2001 대한조혈모세포이식학회지 Vol.6 No.2
저자 등은 클론성 형질세포질환과 동반된 젊은 연령의 원발성 전신성 유전분증 환자를 진단하였기에 다발성 골수종과의 감별 진단, 치료 , 예후 및 고용량 항암화학요법과 조혈모세포이식에 관하여 문헌고찰과 함께 보고하는 바이다. Primary systemic amyloidosis (AL) is a rapidly fatal disorder related to plasma cell dyscrasia. Conventional dose of melphalan, which prolongs the duration of survival by about 10 months, does not improve the functions of impaired organs in most cases. The high dose chemotherapy followed by autologous hematopoietic stem cell rescue for AL, in spite of its high treatment-related mortality, is a new approach to achieve high response rate and better survival. We experienced a 35-year old man with AL(involving heart, liver, stomach, kidneys, peripheral nerve, and rectum) who did not respond to the standard schedule of melphalan plus prednisone and had rapidly fatal course with organ failure. Hence, we evaluate its availability by reviewing the recent reports of high dose chemotherapy in AL.
Lee, Soo Jung,Kang, Byung Woog,Moon, Joon Ho,Chae, Yee Soo,Kim, Jong Gwang,Jung, Joo Seop,Cho, Goon-Jae,Jo, Deog-Yeon,Kim, Yeo Kyeoung,Kim, Hyeoung Joon,Ryoo, Hun-Mo,Eom, Hyeon Seok,Le, Sang Min,Joo, S. Karger AG 2012 Acta haematologica Vol.127 No.2
<P>Abstract</P><P>This study compared the results of allogeneic peripheral blood stem cell transplantation (PBSCT) from unrelated and related donors in 142 consecutive patients with acute myeloid leukemia (AML). The cumulative incidence of acute graft-versus-host disease (GVHD) was 37.6% in the related PBSCT group and 53.7% in the unrelated PBSCT group. The cumulative incidence of extensive chronic GVHD was also higher in the unrelated PBSCT group (19.5%) than in the related PBSCT group (8.9%). The overall survival rate at 4 years was 62.4 ± 5.4 and 53.8 ± 1.2% (p = 0.535) in the related and unrelated PBSCT group, respectively. In a multivariate analysis, unrelated PBSCT was identified as a risk factor for the development of extensive chronic GVHD (hazard ratio = 3.019, p = 0.027). Unfavorable cytogenetics and the disease status at the time of transplantation were found to be related to overall survival. In the case of high-risk AML, the survival rate and relapse incidence were significantly better in the matched unrelated PBSCT group (p = 0.047 and 0.039, respectively). In conclusion, the allogeneic PBSCT outcomes for AML were comparable in the matched related and matched unrelated groups. Nonetheless, for high-risk AML patients, matched unrelated PBSCT was found to be preferable to matched related PBSCT.</P><P>Copyright © 2011 S. Karger AG, Basel</P>
고정희 ( Jung Hee Koh ),엄중섭 ( Jung Seop Eom ),김정섭 ( Jung Sub Kim ),송상헌 ( Sang Heon Song ),곽임수 ( Im Soo Kwak ),성은영 ( Eun Young Seong ) 대한신장학회 2011 Kidney Research and Clinical Practice Vol.30 No.1
Emphysematous pyelonephritis is an unusual, severe gas-forming infection of renal parenchyma and its surrounding areas. It is a rare cause of septic pulmonary embolism. We report on a case of emphysematous pyelonephritis complicated with renal vein thrombosis and septic pulmonary embolism with review of the literature. A 51-year-old diabetic woman was admitted to our hospital with symptoms of fever, diffuse abdominal pain and nausea. Her initial laboratory findings showed pyuria and leukocytosis. She was diagnosed with acute pyelonephritis with abscess formation on contrast enhanced abdominal CT. She was treated with antibiotics and percutaneous abscess aspiration, but progressed to emphysematous pyelonephritis complicated with renal vein thrombosis and septic pulmonary embolism. Finally she underwent the left total nephrectomy.