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  • Title: Effects of cicletanine on haemodynamics, arrhythmias and extent of necrosis during coronary ligation in rabbits.
    Author: Burton T, Chakrabarty S, Fluck DS, Flores NA, Sheridan DJ.
    Journal: Br J Pharmacol; 1992 Dec; 107(4):1135-9. PubMed ID: 1467835.
    Abstract:
    1. The effects of cicletanine on arrhythmias, haemodynamics and extent of necrosis during myocardial ischaemia were investigated in rabbits subjected to coronary ligation. 2. Cicletanine increased cardiac output prior to coronary occlusion (P < 0.01) but had no other significant haemodynamic effects at this time and did not significantly alter heart rate, blood pressure or cardiac output during 30 min of ischaemia or 30 min of reperfusion. 3. Ventricular fibrillation and mortality were greater in control (65% and 60% respectively) than treated animals (15.4% and 15.4%, P < 0.01). 4. The extent of myocardial necrosis expressed as a percentage of the area at risk was also reduced by cicletanine from 61 +/- 8% in controls to 37 +/- 6% (P < 0.05). 5. These findings indicate that cicletanine attenuates arrhythmias and preserves myocardium in the early phase of ischaemia and this effect appears to be independent of an established antihypertensive action.
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