期刊
BRITISH JOURNAL OF HAEMATOLOGY
卷 139, 期 1, 页码 3-13出版社
WILEY
DOI: 10.1111/j.1365-2141.2007.06740.x
关键词
beta-thalassaemia; sickle cell anaemia; thrombin generation; platelet activation; nitric oxide
类别
资金
- NCRR NIH HHS [RR17059, RR00046] Funding Source: Medline
- NHLBI NIH HHS [HL7076] Funding Source: Medline
Thalassaemia and sickle cell disease (SCD) represent the most common forms of hereditary haemolytic anaemia and result from a partial or complete lack of synthesis of one of the major alpha- or beta-globin chains of haemoglobin A or from a single amino acid mutation (beta(6Glu -> Val)) of the beta-globin chain respectively. Although they have different pathophysiologies, patients with these conditions manifest both biochemical and clinical evidence of hypercoagulability. While the frequency of various thrombotic complications may vary in beta-thalassaemia and homozygous SCD [sickle cell anaemia (SCA)], patients with both diseases manifest decreased levels of natural anticoagulant proteins, as well as increased markers of thrombin generation and platelet activation. The abnormal phospholipid membrane assymetry present in the red blood cells of beta-thalassaemia and SCA patients, with resultant phosphatidylserine exposure appears to play a significant role in the aetiology of the observed hypercoagulable state. This review presents the available data on the aetiology and clinical manifestations of the coagulation and platelet activation that exist in both beta-thalassaemia and SCA, as well as the potential therapeutic implications resulting from this hypercoagulability.
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