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INH 및 β-Lactam 항생제에 의해 유발된 급성간질성 신염 2예
차대룡 ( Cha Dae Lyong ),이영호 ( Lee Yeong Ho ),김선숙 ( Kim Seon Sug ),권영주 ( Kwon Yeong Ju ),조원용 ( Jo Won Yong ),김형규 ( Kim Hyeong Gyu ),원남희 ( Won Nam Hui ) 대한내과학회 1993 대한내과학회지 Vol.44 No.3
Acute Interstitial Nephritis is a common disorder characterized by a spectrum of clinical manifestations ranging from asymptomatic urinary abnormalities to acute oliguric renal failure. The histologic picture of AIN is a prominent inflammatory cell infiltrate within the renal interstitium, and major glomerular and vascular lesions are absent. In recent years, AIN has been recognized most commonly as a complication after exposure to a variety of drugs associated with newly introduced chemotherapeutic agent, especially antibiotics. Recently, we experienced of two cases of INH and β-lactam antibiotic induced acute interstitial nephritis, and β-lactam associated case presented as anuria for several days. The first case was 59 years old male who experienced acute subdural hematoma 2 months ago and developed a generalized edema and anuria after treatmeut with β-lactam antibiotics (ceradolan 3.0g/day for 7 days) to control urinary tract infection. Renal biopsy revealed an interstitial nephritis with mononuclear cell infiltration in the interstitium, renal tubular atrophy with degenerative change without any abnormal findings in the glomerulus. The second case was 59 years old male who has been suffered from bladder cancer 1 month ago and performed surgical resection and chemotherapy. He complained lower abdominal pain, fever, chilling sensation 1 week before admission. Physical examination and laboratory finding showed the picture of acute peritonitis. INH(600mg daily) was introduced for 1 week as diagnostic purpose, and he presented as a progressive azotemia and oliguria. Renal biopsy revealed the same nature as case 1, and focal deposits of eosinophil were found in electron microscope. In both cases, renal function has been recovered with conservative management including the discontinuation of the antibiotics and steroid administration.
입체각 내에서 경사각에 대한 과냉 현상에 관한 실험적 연구
성진현(Jin-Hyuen Seong),차대룡(Dae-Lyong Cha),박경주(Gyeong-Ju Bak) 산업기술교육훈련학회 2010 산업기술연구논문지 (JITR) Vol.15 No.1
Supercooling phenomena with pure water in freezing process was studied experimantally from -5℃ to 0℃. Temperature distribution and heat transfer were analyzed on the supercooling phenomena according to the initial temperature, inclined angle and temperature of cooling wall were varied. When the water was cooled from the cooling surface, a supercooling phenomena was appeared. After a while dendrictic ice grew sudenly and dense ice layer began to grow from the surface. The supercooling phenomena duration was the longer with decreasing the inclined angle and initial temperature than those of increasing the inclined angle.