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Veterinary Research Forum، جلد ۵، شماره ۳، صفحات ۱۹۳-۱۹۹
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عنوان انگلیسی Cardiovascular effects of Adonis aestivalis in anesthetized sheep
چکیده انگلیسی مقاله Adonis aestivalis (summer pheasant-eye) is an annual plant with a crimson flower, distributed in southern Europe and Asia. The plant has large buttercup-like blossoms and soft, fern-like leaves. It blooms in spring and is often found as a weed in cereal fields. Like other Adonis spp., the plant produces cardiac glycosides. It is used in remedies for mild weakness of the heart, especially when accompanied by nervous complaints. Cardiovascular and toxic effects of a hydroalcoholic extract from the aerial parts of A. aestivalis were investigated in sheep and mice. Six male sheep were anesthetized with sodium pentobarbital and arterial blood pressure was measured with a transducer connected to the left femoral artery. Heart rate and electrocardiogram (ECG) were registered from lead base-apex ECG derivatives connected to a Powerlab recorder. Three successive equal doses (75 mg kg-1) of the hydroalcoholic extract of A. aestivalis intravenously administered to anesthetized sheep. Adonis aestivalis extract induced a significant bradycardia and hypotension in sheep. Various ECG abnormalities in sheep included sinus arrhythmia, shortened and depressed S-T interval, and absence of P wave and flattened or inverted T wave. In addition, ventricular arrhythmias, bradyarrhythmias, atrioventricular block, ventricular premature beats, ventricular tachycardia and ventricular fibrillation have also been observed. The acute intraperitoneal toxicity (LD50) of the extract in mice was 2150 mg kg-1. In conclusion, bradycardia and ECG alterations induced by the extract could explain the justification of traditional use of the of Adonis aestivalis in treating cardiovascular insufficiency.
کلیدواژه‌های انگلیسی مقاله Adonis aestivalis,Cardiac Arrhythmias,Electrocardiogram,LD50
نویسندگان مقاله مسعود مهام |
department of clinical sciences, faculty of veterinary medicine, urmia university, urmia, iran
سازمان اصلی تایید شده: دانشگاه ارومیه (Urmia university)

فرشید صراف زاده رضایی | sarrafzadeh rezaei
department of clinical sciences, faculty of veterinary medicine, urmia university, urmia, iran
سازمان اصلی تایید شده: دانشگاه ارومیه (Urmia university)

نشانی اینترنتی http://vrf.iranjournals.ir/article_6622_1e354cc605098ccbd32f143fc2be3d40.pdf
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