Abstract:
:The laboratory diagnosis of hereditary spherocytosis (HS) is based on several screening and confirmatory tests; our algorithm includes clinical features, red blood cell morphology analysis and cryohaemolysis test, and, in case of positive screening, sodium dodecyl sulphate polyacrylamide gel electrophoresis as a diagnostic test. Using the UniCel DxH800 (Beckman Coulter) haematology analyser, we investigated automated reticulocyte parameters as HS screening tool, i.e. mean reticulocyte volume (MRV), immature reticulocyte fraction (IRF) and mean sphered cell volume (MSCV). A total of 410 samples were screened. Gel electrophoresis was applied to 159 samples that were positive for the screening tests. A total of 48 patients were diagnosed as HS, and seven were diagnosed as acquired autoimmune haemolytic anaemia (AIHA). Some other 31 anaemic conditions were also studied. From the receiver operating characteristic (ROC) curve analysis, both delta (mean cell volume (MCV)-MSCV) and MRV presented an area under the curve (AUC) of 0.98. At the diagnostic cut-off of 100 % sensitivity, MRV showed the best specificity of 88 % and a positive likelihood ratio of 8.7. The parameters IRF, MRV and MSCV discriminated HS not only from controls and other tested pathologies but also from AIHA contrary to the cryohaemolysis test. In conclusion, automated reticulocyte parameters might be helpful for haemolytic anaemia diagnostic orientation even for general laboratories. In combination with cryohaemolysis, they ensure an effective and time-saving screening for HS for more specialised laboratories.
journal_name
Ann Hematoljournal_title
Annals of hematologyauthors
Lazarova E,Pradier O,Cotton F,Gulbis Bdoi
10.1007/s00277-014-2127-8subject
Has Abstractpub_date
2014-11-01 00:00:00pages
1809-18issue
11eissn
0939-5555issn
1432-0584journal_volume
93pub_type
杂志文章abstract::Recent studies have demonstrated that direct cell-to-cell interaction is one of the microenvironment factors for transdifferentiation of adult stem cells into cardiomyocytes. We investigated whether transdifferentiation of mesenchymal stem cells (MSCs) into cardiomyocytes was dependent on developmental stages of cocul...
journal_title:Annals of hematology
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journal_title:Annals of hematology
pub_type: 临床试验,杂志文章
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journal_title:Annals of hematology
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journal_title:Annals of hematology
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更新日期:2017-05-01 00:00:00
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journal_title:Annals of hematology
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journal_title:Annals of hematology
pub_type: 杂志文章
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journal_title:Annals of hematology
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journal_title:Annals of hematology
pub_type: 杂志文章,多中心研究
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journal_title:Annals of hematology
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journal_title:Annals of hematology
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journal_title:Annals of hematology
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journal_title:Annals of hematology
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journal_title:Annals of hematology
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journal_title:Annals of hematology
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journal_title:Annals of hematology
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pub_type: 杂志文章,多中心研究
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