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- W862249 abstract "The hypotension and diminished myocardial function observed in sepsis and endotoxin-induced shock are difficult to overcome pharmacologically. They previously demonstrated that a down regulation of ..cap alpha../sub 1/-adrenergic receptors may contribute to the hypotension and diminished response to catecholamines seen in septic shock. They here demonstrate that the calcium channel agonist BAY k 8644 potently reverses the hypotension of experimental endotoxin (20 mg/kg Difico lipopolysaccharide) shock in rats. A dose as low as 10 ..mu..g/kg BAY k 8644 significantly elevated mean arterial pressure (MAP) in hypotensive rats. The maximum percentage increase in MAP was greater in endotoxin-treated rats compared with saline-treated controls (153% vs 120% increase respectively). BAY k 8644 also caused a dose-dependent decrease in heart rate of 37% in endotoxin-treated rats and 39% in controls. No difference in (/sup 3/H)-nitrendipine binding sites were detected comparing control and endotoxin-treated rates. These results demonstrate that calcium channel agonists might represent unique agents in pathologic states characterized by hypotension and diminished cardiac function." @default.
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- W862249 date "1986-03-05" @default.
- W862249 modified "2023-09-24" @default.
- W862249 title "Reversal of endotoxic shock with the calcium channel agonist BAY k 8644" @default.
- W862249 hasPublicationYear "1986" @default.
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