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Blood Cells Mol Dis. 2010 Dec 15;45(4):289-92. doi: 10.1016/j.bcmd.2010.08.001. Epub 2010 Sep 15.

Strong association between a new marker of hemolysis and glomerulopathy in sickle cell anemia.

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Service d'Hématologie Biologique, Hôpital Tenon, Assistance Publique-Hôpitaux de Paris, F-75020, Paris, France.


To perform a precise evaluation of the hemolytic status of patients with sickle cell anemia (SCA), advanced red blood cell parameters provided by the last generation analyzers were investigated in a series of SCA patients. The search for precise markers of hemolysis was performed to identify if patients so exposed develop organic complications related to a postulated hemolysis-linked endothelial dysfunction. Red blood cell survival was evaluated by the ratio between mature red blood cell (RBC) and reticulocyte (RET) hemoglobin (RBC-Hb/RET-Hb). In comparison with serum lactate dehydrogenase (LDH) and total bilirubin, the log (RBC-Hb/RET-Hb) was identified as the most discriminant hematological parameter to evaluate hemolysis. Furthermore, by combining this parameter with LDH, we defined a composite variable, which we called CVar, that is highly correlated with albuminuria and might constitute a powerful new marker of risk for this complication.

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