Document Detail


Sickle-cell disease in Brazzaville, Congo: genetical, hematological, biochemical and clinical aspects.
MedLine Citation:
PMID:  10436298     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Clinical, hematological and molecular features of 116 unrelated sickle-cell anemia patients from Brazzaville were investigated. The mean age of the patients was 9.4 +/- 5.3 years. 232 beta(s)-chromosomes were haplotyped and almost all sickle cell anemia patients (91%) were homozygous for the Bantu haplotype. All hematological indices were similar for males and females. Mean hemoglobin (Hb) concentration was 6.6 +/- 1.4 g/dl. Fetal Hb (HbF) levels were from 1 to 28%, with a mean of 8.8 +/- 5.8%. There was a curvilinear relationship between %HbF and age suggesting that HbF level had a selective effect on the survival of patients. This effect was sex dependent. The (-alpha(3.7)) gene frequency was 0.45 and was not affected by stratification for age. Hematological characteristics of patients with (-alpha/alphaalpha, -alpha/-alpha) and without (alphaalpha/alphaalpha) the -alpha(3.7) alpha-thal-2 deletion showed trends similar to those reported in Jamaican and US sickle cell anemia patients. Hyperbilirubinemia (>38 micromol/l) was common and high lactic dehydrogenase (LDH) concentrations were recorded. Bilirubin concentrations for males and females were similar whereas those for LDH concentration were not. Hepatomegaly and splenomegaly were common. Splenomegaly was strongly associated with the -alpha(3.7) alpha-thal-2 deletion. These clinical and hematological observations indicate a more severe form of hemolytic disease in Congolese SS patients.
Authors:
R Mouélé; V Boukila; V Fourcade; J Feingold; F Galactéros
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta haematologica     Volume:  101     ISSN:  0001-5792     ISO Abbreviation:  Acta Haematol.     Publication Date:  1999  
Date Detail:
Created Date:  1999-08-20     Completed Date:  1999-08-20     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0141053     Medline TA:  Acta Haematol     Country:  SWITZERLAND    
Other Details:
Languages:  eng     Pagination:  178-84     Citation Subset:  IM    
Affiliation:
Unité de Recherche en Génétique Moléculaire et Hématologie, INSERM U91, Hôpital Henri-Mondor AP. HP, Créteil, France.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Age Distribution
Anemia, Sickle Cell / blood,  epidemiology*,  genetics*,  metabolism
Bilirubin / blood
Child
Child, Preschool
Congo / epidemiology
Female
Fetal Hemoglobin / metabolism
Gene Deletion
Genotype
Globins / genetics
Haplotypes
Hematologic Tests
Homozygote
Humans
Infant
L-Lactate Dehydrogenase / blood
Male
Multigene Family / genetics
Chemical
Reg. No./Substance:
635-65-4/Bilirubin; 9004-22-2/Globins; 9034-63-3/Fetal Hemoglobin; EC 1.1.1.27/L-Lactate Dehydrogenase
Comments/Corrections
Comment In:
Acta Haematol. 2000;103(2):122-3   [PMID:  10838458 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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