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  • Title: Clinical profile of sickle cell trait.
    Author: Kar BC.
    Journal: J Assoc Physicians India; 2002 Nov; 50():1368-71. PubMed ID: 12583463.
    Abstract:
    OBJECTIVES: Although sickle cell trait is considered a harmless condition in ordinary circumstances, a large number of pathological conditions have been attributed to it often without a scientific basis. Many patients visit this centre with various complaints and on testing are found to be sickle cell trait. Hence it was thought necessary to analyse these cases to find out the nature of their ailments. METHODS: Two hundred cases of sickle cell trait diagnosed by sickling test and hemoglobin electrophoresis on CAM, and 150 age and sex matched control cases with normal hemoglobin phenotype from a survey were studied. Hemoglobin estimation was done in all by cyanmethemoglobin method. Besides history and clinical examination other relevant investigations were done as necessary to arrive at the diagnosis. Seven cases of sickle cell trait were asymptomatic while the rest were suffering from different conditions. 51% of sickle cell trait and 86% of control cases had mild to severe anaemia which improved with iron therapy in trait cases. Hepatomegaly (11% vs 4.6%), epistaxis (5% vs 0.66%) and cholelithiasis (3% vs 0%) was seen in significantly more number in sickle cell traits than the control cases. Splenomegaly and midsystolic murmurs were present in higher percent of cases but was not statistically significant. There was one case of epilepsy with multiple small infarcts in the brain and another with focal fits with epileptogenic focus in the left cerebral hemisphere where no other cause could be found except sickle cell trait. CONCLUSION: The ailments of sickle cell trait cases are like persons with normal hemoglobin. Anaemia is not more frequent and can improve with iron therapy. However, hepatomegaly, epistaxis, cholelythiasis are seen more frequently and minor cerebral infarcts probably can occur in sickle cell trait. These require more elaborate studies to decide their pathogensis.
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