{"title":"[恒定磁场和抗直立性运动减退对大鼠中枢血流动力学的单独和联合作用]。","authors":"R T Kazakova, A M Badakva","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The effect of a constant magnetic field on central circulation of rats was investigated during their exposure to antiorthostatic hypokinesia. Circulation parameters were measured by impedance rheoplethysmography. It was found that 3-hour exposure to a 0.4 T magnetic field did not produce a significant effect on central circulation, whereas exposure to hypokinesia caused substantial changes which included decreases of heart rate, stroke volume and cardiac output. During a combined exposure to a constant magnetic field and antiorthostatic hypokinesia, the magnetic field exerted a beneficial effect on central circulation.</p>","PeriodicalId":76078,"journal":{"name":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","volume":"25 5","pages":"48-9"},"PeriodicalIF":0.0000,"publicationDate":"1991-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[Effects of isolated and combined effects of a constant magnetic field and antiorthostatic hypokinesia on central hemodynamics in rats].\",\"authors\":\"R T Kazakova, A M Badakva\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The effect of a constant magnetic field on central circulation of rats was investigated during their exposure to antiorthostatic hypokinesia. Circulation parameters were measured by impedance rheoplethysmography. It was found that 3-hour exposure to a 0.4 T magnetic field did not produce a significant effect on central circulation, whereas exposure to hypokinesia caused substantial changes which included decreases of heart rate, stroke volume and cardiac output. During a combined exposure to a constant magnetic field and antiorthostatic hypokinesia, the magnetic field exerted a beneficial effect on central circulation.</p>\",\"PeriodicalId\":76078,\"journal\":{\"name\":\"Kosmicheskaia biologiia i aviakosmicheskaia meditsina\",\"volume\":\"25 5\",\"pages\":\"48-9\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Kosmicheskaia biologiia i aviakosmicheskaia meditsina\",\"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":"Kosmicheskaia biologiia i aviakosmicheskaia meditsina","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
[Effects of isolated and combined effects of a constant magnetic field and antiorthostatic hypokinesia on central hemodynamics in rats].
The effect of a constant magnetic field on central circulation of rats was investigated during their exposure to antiorthostatic hypokinesia. Circulation parameters were measured by impedance rheoplethysmography. It was found that 3-hour exposure to a 0.4 T magnetic field did not produce a significant effect on central circulation, whereas exposure to hypokinesia caused substantial changes which included decreases of heart rate, stroke volume and cardiac output. During a combined exposure to a constant magnetic field and antiorthostatic hypokinesia, the magnetic field exerted a beneficial effect on central circulation.
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