Laboratory Diagnosis of Hemoglobinopathies and Thalassemia
Hemoglobinopathies and thalassemias are among the most common genetic diseases, with 7 percent of the world’s population carrying a hemoglobin mutation. Due to relatively recent migration, North American countries are now home to a large number of patients with thalassemia. Among these disorders, sickle cell syndromes and thalassemias constitute major public health problems.
Most laboratories use a combination of high-performance liquid chromatography (HPLC), capillary electrophoresis, molecular analysis, and mass spectrometry to diagnose thalassemias. Definite identification of hemoglobinopathies can be achieved by a stepwise alogrithmic approach that includes a detailed clinical history, HPLC, and molecular analysis. This presentation will review the pathophysiology, pertinent clinical and laboratory findings, and recent advances in the field.
