Abstract
Hemolytic anemias are a group of disorders with varied clinical and molecular heterogeneity. They are characterized by decreased levels of circulating erythrocytes in blood. The pathognomic finding is a reduced red cell life span with severe anemia or, compensated hemolysis accompanied by reticulocytosis. The diagnostic workup or laboratory approach for hemolytic anemias is based on methodical step-wise testing which includes red blood cell morphology, hematological indices with increased reticulocyte count along with clinical features of hemolytic anemias. If conventional laboratory tests are unable to detect the underlying cause of hemolysis, genetic testing is recommended. Sanger sequencing along with conventional testing is the most efficient way to diagnose the underlying genetic causes, especially in thalassemias/hemoglobinopathies, if required. However, hemolytic anemias being highly heterogeneous disorders, next-generation sequencing-based screening is rapidly becoming an efficient way to decipher the etiologies where common causes have been excluded.
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Acknowledgements
The authors thank the clinical and laboratory staff involved in patient management and laboratory diagnosis. They thank the PGIMER, Chandigarh; Department of Biotechnology (Ministry of Science and Technology, Government of India), New Delhi and Indian Council for Medical Research, New Delhi for various institutional and extramural research grants.
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MJ, PS and RD have written the manuscript and all authors approve the final version of the article. RD is the gauarantor for this paper.
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The authors thank the PGIMER, Chandigarh; Department of Biotechnology (Ministry of Science and Technology, Government of India), New Delhi and Indian Council for Medical Research, New Delhi for various institutional and extramural research grants.
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Jamwal, M., Sharma, P. & Das, R. Laboratory Approach to Hemolytic Anemia. Indian J Pediatr 87, 66–74 (2020). https://doi.org/10.1007/s12098-019-03119-8
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DOI: https://doi.org/10.1007/s12098-019-03119-8