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Foetal haemoglobin in Nigerian children with sickle cell anaemia. Effect on haematological parameters and clinical
O J Fatunde1, A B Scott-Emuakpor
1Department of Child Health, University of Benin Teaching Hospital, Nigeria.
Insights
Higher fetal hemoglobin (HbF) levels in children with sickle cell anemia (SCA) correlate with fewer transfusions and hospitalizations. This study examined 86 children aged 5-16 years.
Area of Science:
- Hematology
- Pediatrics
- Genetics
Background:
- Sickle cell anemia (SCA) is a genetic blood disorder.
- Fetal hemoglobin (HbF) can ameliorate SCA symptoms.
- Understanding HbF's role in SCA is crucial for treatment.
Purpose of the Study:
- To examine the relationship between fetal hemoglobin (HbF) levels and clinical/hematological parameters in children with SCA.
- To investigate the impact of HbF on disease severity and physical development.
Main Methods:
- Studied 86 children aged 5-16 years with SCA.
- Measured HbF levels and correlated them with clinical data.
- Analyzed associations with blood transfusions, hospital admissions, and physical development.
Main Results:
- Mean HbF level was 6.8 +/- 3.6%.
- Higher HbF levels significantly correlated with fewer blood transfusions and hospital admissions.
- Higher HbF levels were associated with increased hepatomegaly.
- A trend towards better physical development and more normal hemograms was observed with higher HbF, but not statistically significant.
Conclusions:
- Elevated HbF levels show a protective effect in pediatric SCA patients.
- HbF may mitigate disease severity, reducing transfusion and hospitalization needs.
- Further research into HbF-boosting therapies for SCA is warranted.
Abstract:
The relationship of foetal haemoglobin (HbF) to several clinical and haematological parameters in 86 children aged 5 to 16 years who had sickle cell anaemia (SCA) has been examined. The mean HbF level was 6.8 +/- 3.6%. Higher HbF values were significantly associated with fewer blood transfusions, fewer hospital admissions and higher rate of hepatomegaly. A trend for children with higher HbF levels to have better physical development and a more normal haemogram was also noted though this was not statistically significant.