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The role of opioid and histaminergic system in morphine induced emesis was investigated in dogs. Morphine (25 micrograms, icv) consistently evoked emesis with an average latency of 195 +/- 29 sec which was fully accounted for by an action on the chemoreceptor trigger zone (CTZ) as its ablation
Twenty-six patients being treated with 5-fluorouracil-adriamycin-cyclophosphamide (FAC), or vincristine-adriamycin-cyclophosphamide (VAC) chemotherapy completed a randomized, double-blind, cross-over study in which the antiemetic activity of thiethylperazine (6.5 mg p.o. every 8 h X 5 days) was
Despite the lack of evidence of the ability to suppress gastric acid secretion in dogs, ranitidine (RT) is often used to control clinical signs in dogs with acute vomiting even if the way it happens it is still largely unknown. The aim of this study was thus to evaluate the therapeutic effect of
OBJECTIVE
The mechanisms leading to the high incidence of postoperative vomiting (POV) after gynaecological laparoscopic surgery are still unknown. The effectiveness of POV-prophylaxis using H1 + H2-receptor antagonists has been demonstrated, suggesting a role for histamine in the pathogenesis of
Staphylococcal enterotoxins (SEs) produced by Staphylococcus aureus are known as causative agents of emetic food poisoning. We previously demonstrated that SEA binds with submucosal mast cells and evokes mast cell degranulation in a small emetic house musk shrew model. Notably, primates have been
1. In unanaesthetized dogs, the emetic action of histamine was studied after its injection into the cerebral venricles through chronically implanted cannulae in order to elucidate the role of the chemoreceptor trigger zone (CT-zone), situated in the area postrema, for this emesis.2. On injection
The effects of diphenhydramine, domperidone, ondansetron, and diphenidol on cisplatin-induced pica (i.e., kaolin ingestion) in rats as the measure analogous to emesis in other species were examined. Ondansetron (2 mg/kg) and diphenidol (30 mg/kg) inhibited kaolin intake induced by cisplatin (10
BACKGROUND
Aprepitant blocks the emetic effects of substance P. Scopolamine antagonizes muscarinic type 1 and histamine type 1 receptors. This study compares monotherapy and multimodal therapy by looking at complete response, nausea, vomiting, and rescue medication in patients at high risk for
Heartburn and acid reflux increase the severity of nausea and vomiting of pregnancy, and may lead to more serious medical conditions. The fetal safety of histamine 2 (H2) blockers, the most common antireflux medication, during pregnancy needs to be determined. The aim herein is to determine the
Mackerel fillets associated with an outbreak of scombrotoxicosis have been analysed for their contents of cadaverine, histamine, putrescine, spermidine, spermine and tyramine, and fed to informed, healthy volunteers of both sexes under medical supervision. Of the 86 fillets examined, 30 rapidly
The levels of histamine (HA) and tele-methylhistamine (t-MH) were determined in five brain regions of Suncus murinus (suncus) and the effects of motion stimulus or drugs influencing the turnover of these amines were studied to elucidate the role of histamine in motion sickness. Shaking the animals
1 The protective effects of the intracerebroventicular (i.c.v.) administration of the H1-receptor antagonist, mepyramine and the H2-receptor antagonists, burimamide and metiamide on centrally induced histamine-emesis were studied in unanaesthetized dogs. 2 The PD50 values of intraventricular