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Published on: December 7, 2016
Strategies for basic laboratory diagnostics of the hemoglobinopathies in multi-ethnic societies: interpretation of
1Hemoglobinopathies Laboratory, Human and Clinical Genetics Department, Leiden University Medical Center, Leiden, The Netherlands.
Insights
Multi-ethnic migrations increase hemoglobinopathies globally. This review details essential laboratory diagnostics and informed carrier counseling for managing these blood disorders in nonendemic regions.
Area of Science:
- Hematology
- Genetics
- Epidemiology
Background:
- Global migration patterns have altered the epidemiology of hemoglobinopathies, leading to increased incidence in nonendemic areas.
- The rise of hemoglobinopathies in new regions necessitates improved diagnostic capabilities and primary prevention strategies.
- Healthcare providers in nonendemic areas often lack awareness of hemoglobinopathy management, highlighting the need for laboratory support.
Purpose of the Study:
- To review and outline essential laboratory diagnostic technologies for hemoglobinopathy carriers.
- To provide guidance on the correct diagnosis, interpretation of results, and informed counseling for carriers.
- To emphasize the critical role of hematology laboratories in managing hemoglobinopathies in nonendemic settings.
Main Methods:
- Review of current literature on hemoglobinopathy diagnostics.
- Summary of essential technologies for basic and specialized carrier diagnostics.
- Discussion of result interpretation and associated challenges.
Main Results:
- Well-organized laboratories can effectively diagnose and inform carriers about genetic risks and prevention.
- Basic and specialized diagnostics are crucial for treating anemic carriers and preventing severe conditions.
- Hematology labs play a vital role in educating healthcare providers and the public.
Conclusions:
- Effective carrier diagnostics and informed counseling are key to managing hemoglobinopathies in nonendemic areas.
- Hematology laboratories are central to primary prevention efforts and ensuring optimal patient care.
- Integrated diagnostic and healthcare strategies are essential for addressing the evolving landscape of hemoglobinopathies.
Abstract:
The consistent multi-ethnic migrations of the last decades have considerably changed the epidemiology of the hemoglobinopathies. Healthy carriers of these conditions are present today in many nonendemic parts of the world, and severely affected children are now born where these diseases were previously rare or unknown. Improving the competence in carrier diagnostics at the laboratory level is one of the first concerns when introducing management and primary prevention of the severe conditions in nonendemic areas. This review describes how and when carriers should be correctly diagnosed and informed. The essential technologies needed for basic carrier diagnostics in different situations are summarized in some detail, and interpretation of the results and a number of related problems are discussed. The role of the hematology laboratory is essential, particularly in nonendemic areas where the first line of health care is often insufficiently aware of hemoglobinopathy management. Carriers living in nonendemic areas can be appropriately diagnosed and informed regarding genetic risk and prevention by well-organized laboratories. Both basic and specialized diagnostics are needed for the correct treatment for the anemic carriers, for primary prevention in couples at risk and for state-of-the art care of severely affected patients.
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