Effects of hydroalcoholic extract from aerial parts of the sterile stems of Stachys inflata on myocardial infarct size in rats
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Abstract
Recently a potent anti-inflammatory effect of hydroalcoholic extract of the aerial parts of the sterile stems of Stachys inflata has been reported. This study examined whether hydroalcoholic extract isolated from aerial parts of non-flowering stems of Stachys inflata (standardized to contain 4.5% caffeic acid derivatives) reduce myocardial infarct size arising from coronary artery occlusion (30min) and reperfusion (2 h) in anaesthetized rats. In addition, the extract was also tested on the incidence and severity of ischaemic arrhythmias. Infusion of the extract (1.35 µg/kg/min) 5 min before coronary artery ligation and for the duration of the ischaemic (30 min) and reperfusion (2 h) periods resulted in a marked (p