H2 receptor antagonists and anaesthesia

H2 Receptor Antagonists

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Release of histamine by H2-receptor antagonists?

Effects of intracerebroventricular injection of histamine and H1, H2 receptor antagonists on electrocardiographic parameters in broiler chickens

The aim of this study was to assess the effects of exogenous histamine and H1 and H2 central receptorson electrocardiographic (ECG) parameters, heart rate and mean electrical axis in broiler chickens. For thispurpose, Ross broiler chickens (750-800 g weight) received intracerebroventricularly (ICV) histamine.Moreover, to determine the receptors involved in histamine-induced alterations in ECG c...

EFFECTS OF CHOLECYSTOKININ RECEPTOR ANTAGONISTS ON MORPHINE- AND COCAINEINDUCED HYPOTHERMIA

The effects of cholecystokinin (CCK) receptor antagonists on hypothermia induced by cocaine or morphine have been studied in mice. In the present work, subcutaneous (SC) injection of cocaine (50-150 mg/kg) or morphine (125-500 mg/kg) induced hypothermia in mice. Administration of CCKA receptor antagonist MK-329 (0.5-1.5 mg/kg), CCKB receptor antagonist L-365, 260 (0.5-1.5 mgl kg) and CCK r...

Effects of administration of histamine and its H1, H2, and H3 receptor antagonists into the primary somatosensory cortex on inflammatory pain in rats

  Objective(s): The present study investigated the effects of microinjection of histamine and histamine H1, H2, and H3 receptor antagonists, chlorpheniramine, ranitidine and thioperamide, respectively into the primary somatosensory cortex (PSC) on inflammatory pain.   Material and Methods: Two stainless steel guide canulas were bilaterally implanted into the PSC of anaesthetized rats. Inf...