{"title":"大鼠对乙醇性心动过速耐受性的研究进展。","authors":"L A Pohorecky, J T Peterson, J A Carpenter","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Development of tolerance to ethanol was examined using heart rate as a measure. Ethanol-treated rats were infused IG with 8-11 g/kg/day (in 3 divided doses), control rats received similar infusions of either equicaloric dextrin-maltose or water (equivolumetric) for a period of 17 days. On days 1, 5, 9, 13 and 17 of treatment heart rate was recorded before and at 10, 20 and 30 minutes after injection of a challenge dose of 2 g/kg ethanol, dextrin-maltose or water. The tachycardia produced by ethanol increased with days of chronic treatment to a maximum on the 9th day of treatment. Significant tolerance to the tachycardia was evident only on the 17th day of treatment. Neither control showed significant changes in heart rate.</p>","PeriodicalId":7671,"journal":{"name":"Alcohol and drug research","volume":"6 6","pages":"431-9"},"PeriodicalIF":0.0000,"publicationDate":"1985-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Development of tolerance to ethanol-induced tachycardia in rats.\",\"authors\":\"L A Pohorecky, J T Peterson, J A Carpenter\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Development of tolerance to ethanol was examined using heart rate as a measure. Ethanol-treated rats were infused IG with 8-11 g/kg/day (in 3 divided doses), control rats received similar infusions of either equicaloric dextrin-maltose or water (equivolumetric) for a period of 17 days. On days 1, 5, 9, 13 and 17 of treatment heart rate was recorded before and at 10, 20 and 30 minutes after injection of a challenge dose of 2 g/kg ethanol, dextrin-maltose or water. The tachycardia produced by ethanol increased with days of chronic treatment to a maximum on the 9th day of treatment. Significant tolerance to the tachycardia was evident only on the 17th day of treatment. Neither control showed significant changes in heart rate.</p>\",\"PeriodicalId\":7671,\"journal\":{\"name\":\"Alcohol and drug research\",\"volume\":\"6 6\",\"pages\":\"431-9\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1985-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Alcohol and drug research\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Alcohol and drug research","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Development of tolerance to ethanol-induced tachycardia in rats.
Development of tolerance to ethanol was examined using heart rate as a measure. Ethanol-treated rats were infused IG with 8-11 g/kg/day (in 3 divided doses), control rats received similar infusions of either equicaloric dextrin-maltose or water (equivolumetric) for a period of 17 days. On days 1, 5, 9, 13 and 17 of treatment heart rate was recorded before and at 10, 20 and 30 minutes after injection of a challenge dose of 2 g/kg ethanol, dextrin-maltose or water. The tachycardia produced by ethanol increased with days of chronic treatment to a maximum on the 9th day of treatment. Significant tolerance to the tachycardia was evident only on the 17th day of treatment. Neither control showed significant changes in heart rate.
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