Intoxication induced by unsymmetrical dimethylhydrazine : characteristics and mechanism of its acute and chronic injuries

OBJECTIVE: To investigate the characteristics and mechanism of the acute and chronic injuries induced by unsymmetrical dimethylhydrazine (UDMH)

Bibliographische Detailangaben
Veröffentlicht in:Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue. - 1998. - 16(2004), 12 vom: 07. Dez., Seite 740-2
1. Verfasser: Yue, Mao-xing (VerfasserIn)
Weitere Verfasser: Peng, Rui-yun, Wang, Zheng-guo, Wang, De-wen, Yang, Zhi-huan, Yang, He-ming, Su, Qun, Xia, Ya-dong, Gao, Ya-bing, Cui, Xue-mei, Li, Jian-zhong, Li, Yan
Format: Aufsatz
Sprache:Chinese
Veröffentlicht: 2004
Zugriff auf das übergeordnete Werk:Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue
Schlagworte:English Abstract Journal Article Research Support, Non-U.S. Gov't Dimethylhydrazines dimazine 4WPQ90N53J
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245 1 0 |a Intoxication induced by unsymmetrical dimethylhydrazine  |b characteristics and mechanism of its acute and chronic injuries 
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500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a OBJECTIVE: To investigate the characteristics and mechanism of the acute and chronic injuries induced by unsymmetrical dimethylhydrazine (UDMH) 
520 |a METHODS: A total of 128 male rats were randomly divided into four groups: UDMH intoxication acute response group and chronic response group, and corresponding control groups. UDMH was administrated through inhalation at the concentration of 8x10(-4)g/m(3) for 15 minutes. Animals of each group were sacrificed at 3, 6, 12, 24, 48 and 72 hours respectively after the intoxication. Pathologic changes and blood gas were examined. Chronic injuries and pathologic changes were also observed 1 year after the intoxication 
520 |a RESULTS: Major pathological changes in the intoxication group were cerebral edema, degeneration and necrosis of neuron, enlargement and hemorrhage of capillary. Damages of different degree were found in liver, kidney, lung, heart, spleen, stomach, intestine, thymus, blood, bone marrow. Pallium ischemia was also found in the intoxicated rats 1 year after the intoxication, including ischemia damage of neuron in cerebral cortex, hemorrhage and focal liquefaction of thalamus and medulla conducting bind, dissociation, rupture, not uniform circuitry in conducting fibers 
520 |a CONCLUSION: Our study reveals the basic pathological induced by intoxication of UDMH. The most severe stage of the injury appears 2-6 hours after intoxication. Long term investigation reveals pallium ischemia, thalamus hemorrhage and liquefaction in the medulla oblongata 1 year after the intoxication with UDMH. All the changes are significant 
650 4 |a English Abstract 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a dimazine  |2 NLM 
650 7 |a 4WPQ90N53J  |2 NLM 
700 1 |a Peng, Rui-yun  |e verfasserin  |4 aut 
700 1 |a Wang, Zheng-guo  |e verfasserin  |4 aut 
700 1 |a Wang, De-wen  |e verfasserin  |4 aut 
700 1 |a Yang, Zhi-huan  |e verfasserin  |4 aut 
700 1 |a Yang, He-ming  |e verfasserin  |4 aut 
700 1 |a Su, Qun  |e verfasserin  |4 aut 
700 1 |a Xia, Ya-dong  |e verfasserin  |4 aut 
700 1 |a Gao, Ya-bing  |e verfasserin  |4 aut 
700 1 |a Cui, Xue-mei  |e verfasserin  |4 aut 
700 1 |a Li, Jian-zhong  |e verfasserin  |4 aut 
700 1 |a Li, Yan  |e verfasserin  |4 aut 
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