Clinical and laboratory manifestations of congenital dyserythropoietic anemia type I in young adults

H. Shalev, Y. Kapleushnik, L. Haeskelzon, O. Degani, T. Kransnov, O. Sphilberg, A. Moser, I. Yaniv, H. Tamary

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24 Scopus citations

Abstract

Objectives: Congenital dyserythropoietic anemia (CDA) type I is a rare autosomal recessive macrocytic anemia whose natural history is not well documented. The aim of the present study was to evaluate the clinical picture of the disease in young adults. Methods: The study sample consisted of 17 patients of mean age 11.9±5.4 yr (range 18-33 yr) and one older patient (age 44 yr), all Israeli Bedouins. The degree of anemia was evaluated as well as the extent of development of gallstones and iron overload. In each subject we determined the hemochromatosis gene mutations and the uridine dyphosphate-glucoronosyltransferase (UGT-1A) gene polymorphism associated with Gilbert's syndrome. Results: The patients were found to have moderate anemia, with the women displaying lower mean hemoglobin levels than the men (8.2±0.9 g dL-1 vs. 10±1.3 g dL-t; P-0.0059). The majority of patients (59%) had received at least one blood transfusion, with the women having a significantly higher transfusion requirement. Although delayed puberty was noted, final height and weight were within normal limits, and eight patients had progeny. Biliary stones were found in three of 16 patients, two of whom were homozygous for UGT-1A gene polymorphism. None of the patients carried the common hemochromatosis gene mutation, although serum ferritin levels were moderately elevated (788±332 ng mL-1). Conclusions: CDA type I in young adults is characterized by moderate macrocytic anemia, more severe in women, and a tendency to cholelithiasis and secondary progressive iron overload. We suggest that iron overload in this patient population should be monitored and chelation therapy initiated when indicated to prevent organ damage.

Original languageEnglish
Pages (from-to)170-174
Number of pages5
JournalEuropean Journal of Haematology
Volume68
Issue number3
DOIs
StatePublished - 22 Jun 2002

Keywords

  • Congenital dyserythropoietic anemia type I
  • Gallstones
  • Gilbert's syndrome
  • Hemochromatosis
  • Young adults

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