Effect of flosequinan on ischaemia-induced arrhythmias and on ventricular cyclic nucleotide content in the anaesthetized rat.
1. Flosequinan, milrinone, isoprenaline and forskolin given intravenously at similarly hypotensive doses have been evaluated in separate studies for their effect on ischaemia-induced arrhythmias and on ventricular cyclic nucleotide content following coronary artery ligation in the pentobarbitone anaesthetized rat. 2. Flosequinan did not affect mortality or arrhythmias following coronary artery ligation in either study and no change in ventricular cyclic nucleotide content was observed. 3. Isoprenaline caused a significant increase in mortality (P < 0.05) in both studies whereas milrinone and forskolin caused a significant increase in mortality in only one of the two studies conducted. All three agents caused significant increases in cyclic AMP which were associated with increased incidence of arrhythmias. 4. When compared at similarly hypotensive doses, flosequinan, in contrast to milrinone, isoprenaline and forskolin, did not influence ischaemia-induced arrhythmias or raise ventricular cyclic nucleotide levels in the anesthetized rat.[1]References
- Effect of flosequinan on ischaemia-induced arrhythmias and on ventricular cyclic nucleotide content in the anaesthetized rat. Jones, R.B., Frodsham, G., Dickinson, K., Foster, G.A. Br. J. Pharmacol. (1993) [Pubmed]
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