{"title":"临床研究中失血量的测量。","authors":"P A Flordal","doi":"10.1097/00003643-199703001-00007","DOIUrl":null,"url":null,"abstract":"<p><p>Direct measurement of blood loss has poor reliability and poor validity. A formula is proposed for how blood loss may be calculated from pre- and post-operative haemoglobin, taking the influence of any blood transfusions into account.</p>","PeriodicalId":11873,"journal":{"name":"European journal of anaesthesiology. Supplement","volume":"14 ","pages":"35-7"},"PeriodicalIF":0.0000,"publicationDate":"1997-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"29","resultStr":"{\"title\":\"Measurement of blood loss in clinical studies.\",\"authors\":\"P A Flordal\",\"doi\":\"10.1097/00003643-199703001-00007\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Direct measurement of blood loss has poor reliability and poor validity. A formula is proposed for how blood loss may be calculated from pre- and post-operative haemoglobin, taking the influence of any blood transfusions into account.</p>\",\"PeriodicalId\":11873,\"journal\":{\"name\":\"European journal of anaesthesiology. Supplement\",\"volume\":\"14 \",\"pages\":\"35-7\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1997-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"29\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"European journal of anaesthesiology. Supplement\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1097/00003643-199703001-00007\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"European journal of anaesthesiology. Supplement","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1097/00003643-199703001-00007","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Direct measurement of blood loss has poor reliability and poor validity. A formula is proposed for how blood loss may be calculated from pre- and post-operative haemoglobin, taking the influence of any blood transfusions into account.
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