ENHANCED ARRHYTHMOGENICITY OF FREON-113 BY HYPOXIA IN THE PERFUSED RAT-HEART

被引:1
|
作者
KAWAKAMI, T
TAKANO, T
ARAKI, R
机构
[1] TOKYO MED & DENT UNIV,FAC MED,DEPT PUBL HLTH & ENVIRONM SCI,1-5-45 YUSHIMA,TOKYO 113,JAPAN
[2] SAITAMA MED SCH,MOROYAMA,SAITAMA 35004,JAPAN
关键词
D O I
10.1177/074823379000600310
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
The interaction of Freon 113 (1,1,2-trichloro-1,2,2-trifluoroethane) and hypoxia on the heart conduction system was studied using electrocardiogram monitoring of isolated perfused rat hearts. Freon 113 (0.2 mM) alone elicited significant atrioventricular conduction delay (p < 0.05) and heart rate decrease (p < 0.01), which were significantly enhanced by hypoxia (75% oxygen decrease), for instance, resulting in 2:1 AV block. The data suggest that arrhythmogenicity of Freon 113 on the heart conduction system may be enhanced synergistically by hypoxia.
引用
收藏
页码:493 / 498
页数:6
相关论文
共 50 条
  • [1] CYCLIC NUCLEOTIDE LEVELS IN PERFUSED RAT-HEART SUBJECTED TO HYPOXIA
    NESHER, R
    ROBINSON, WF
    GIBB, L
    BISHOP, SP
    KRUGER, FA
    EXPERIENTIA, 1977, 33 (02): : 215 - 217
  • [2] ALANINE AND SUCCINATE ACCUMULATION IN THE PERFUSED RAT-HEART DURING HYPOXIA
    FREMINET, A
    LECLERC, L
    POYART, C
    HUEL, C
    GENTIL, M
    JOURNAL DE PHYSIOLOGIE, 1980, 76 (02): : 113 - 117
  • [3] EFFECTS OF HYPOXIA ON INTERMEDIARY METABOLISM OF THE ISOLATED AND PERFUSED RAT-HEART
    LECLERC, L
    PIERRE, M
    POULLET, A
    HUEL, C
    FREMINET, A
    JOURNAL DE PHYSIOLOGIE, 1978, 74 (07): : A35 - A36
  • [4] BIOCHEMICAL RESPONSES TO HYPOXIA IN CORONARY EFFLUENT (ISOLATED AND PERFUSED RAT-HEART)
    TEISSEIRE, B
    MARTIN, JL
    DUVELLEROY, M
    TEISSEIRE, L
    JOURNAL DE PHYSIOLOGIE, 1978, 74 (07): : A47 - A47
  • [5] RB+ TRANSPORT IN PERFUSED RAT-HEART DURING HYPOXIA AND REOXYGENATION
    GRINWALD, PM
    JOURNAL OF MOLECULAR AND CELLULAR CARDIOLOGY, 1987, 19 (11) : R9 - R9
  • [6] THE ISOLATED PERFUSED RAT-HEART - A MODEL FOR STUDYING MYOCARDIAL HYPOXIA OR ISCHEMIA
    DELEIRIS, J
    HARDING, DP
    PESTRE, S
    BASIC RESEARCH IN CARDIOLOGY, 1984, 79 (03) : 313 - 321
  • [7] MITOCHONDRIAL RESPIRATION FOLLOWING ACUTE-HYPOXIA IN THE PERFUSED RAT-HEART
    FULLER, EO
    GOLDBERG, DI
    STARNES, JW
    SACKS, LM
    DELIVORIAPAPADOPOULOS, M
    JOURNAL OF MOLECULAR AND CELLULAR CARDIOLOGY, 1985, 17 (01) : 71 - 81
  • [8] PSEUDOKETOGENESIS IN THE PERFUSED RAT-HEART
    FINK, G
    DESROCHERS, S
    DESROSIERS, C
    GARNEAU, M
    DAVID, F
    DALOZE, T
    LANDAU, BR
    BRUNENGRABER, H
    JOURNAL OF BIOLOGICAL CHEMISTRY, 1988, 263 (34) : 18036 - 18042
  • [9] PERINATAL CHANGES IN GLYCOLYTIC FUNCTION IN RESPONSE TO HYPOXIA IN INCUBATED OR PERFUSED RAT-HEART
    HOERTER, JA
    OPIE, LH
    BIOLOGY OF THE NEONATE, 1978, 33 (3-4): : 144 - 161
  • [10] EFFECT OF HYPOXIA ON ENDOTHELIAL MORPHOLOGY AND INTERENDOTHELIAL JUNCTIONS IN THE ISOLATED PERFUSED RAT-HEART
    WARD, BJ
    FIRTH, JA
    JOURNAL OF MOLECULAR AND CELLULAR CARDIOLOGY, 1989, 21 (12) : 1337 - 1347