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The inherited diseases of hemoglobin are an emerging global health burden
1Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, Headington, Oxford, United Kingdom. liz.rose@imm.ox.ac.uk
Insights
Severe inherited hemoglobin disorders affect over 300,000 children annually, primarily in low-income nations. Improved healthcare increases survival, creating a growing global health challenge requiring international collaboration.
Area of Science:
- Hematology
- Global Health
- Genetics
Background:
- Over 300,000 children yearly are born with severe inherited hemoglobin disorders.
- Approximately 80% of these births occur in low- and middle-income countries (LMICs).
- Improved public health measures lead to increased survival of affected infants, presenting a growing global health burden.
Purpose of the Study:
- To highlight the increasing global health burden of severe inherited hemoglobin disorders.
- To underscore the lack of diagnostic and management facilities in many countries.
- To emphasize the need for data on disease frequency, clinical course, and mortality.
Main Methods:
- This study is a review of the current global health landscape concerning inherited hemoglobin disorders.
- It synthesizes estimated birth rates and epidemiological trends.
- It identifies gaps in healthcare infrastructure and data availability.
Main Results:
- Severe inherited hemoglobin disorders represent a significant and growing global health challenge.
- There is a critical lack of diagnostic and management resources in high-burden countries.
- Accurate data on the prevalence, clinical outcomes, and mortality of these disorders are largely unavailable.
Conclusions:
- Concerted action from the international hematology community, health organizations, and funding agencies is essential.
- Addressing the data gaps and improving healthcare infrastructure in LMICs is crucial.
- Increased awareness and investment are needed to manage the rising burden of these diseases.
Abstract:
It is estimated that in excess of 300,000 children are born each year with a severe inherited disorder of hemoglobin and that approximately 80% of these births occur in low- or middle-income countries. As these countries go through an epidemiologic transition, with a reduction in childhood and infant mortality due to improved public health measures, babies who would have previously died of these diseases before they were recognized are now surviving to present for diagnosis and treatment. Hence, they are presenting an increasing global health burden. Because of their uneven distribution in high-frequency populations, reflecting their complex population genetics, the true magnitude of this burden is still unknown. In many poor countries there are virtually no facilities for the diagnosis and management of these conditions, and even in richer countries there are limited data about their frequency, clinical course, or mortality. Without this information, it will be impossible to persuade governments about the increasing importance of these diseases. The situation will only be improved by concerted action on the part of the hematology community of the richer countries together with input from the major international health organizations and funding agencies.
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