{"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}
引用次数: 29
Abstract
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.