The influence of alpha-thalassaemia on the haematological & clinical expression of sickle cell disease in western India.
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1998-04-30
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We evaluated the clinical and haematological features of 29 sickle cell anaemia patients with associated alpha-thalassaemia and 22 sickle cell homozygotes with a normal alpha-globin genotype from western India. The presence of alpha-thalassaemia resulted in significantly higher haemoglobin (Hb), haematocrit (HCT), red blood cells counts (RBC) and haemoglobin A2 (HbA2) levels but lower mean cell haemoglobin (MCH) and mean cell volume (MCV). The clinical presentation in these patients was also milder with fewer episodes of painful crisis, chest syndromes, infections, requirement of hospitalization and blood transfusions. However, splenomegaly was more common as compared to the patients with a normal alpha-globin genotype. It is evident from the present study that alpha-thalassaemia could be an important genetic factor modulating the clinical expression and haematological severity of sickle cell anaemia in this region.
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Mukherjee MB, Surve R, Tamankar A, Gangakhedkar RR, Ghosh K, Lu CY, Krishnamoorthy R, Colah R, Mohanty D. The influence of alpha-thalassaemia on the haematological & clinical expression of sickle cell disease in western India. Indian Journal of Medical Research. 1998 Apr; 107(): 178-81