Limb defects in homozygous α-thalassemia: Report of three cases Academic Article uri icon

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abstract

  • Homozygosity for the South-Asian alpha-thalassemia (--SEA/) deletion is a serious hematological condition that results, in most cases, in intrauterine or postnatal death due to anemia and severe hypoxia of prenatal onset. A relationship between congenital abnormalities and intra-uterine hypoxia has been postulated. However, since homozygosity for the (--SEA/) deletion is most common in underdeveloped countries where detailed autopsies are lacking, the incidence of congenital abnormalities among these babies has not been well delineated. We report on three newborn infants, homozygous for the (--SEA/) deletion, who were born with limb defects. We postulate that this combination is the result of prenatal hypoxia which may affect other fetal body organs. This should be taken into consideration when prenatal treatment of affected fetuses, with intrauterine blood transfusion, is suggested.

authors

  • Chitayat, David
  • Silver, Meredith M
  • O'Brien, Karel
  • Wyatt, Phil
  • Waye, John
  • Chiu, David HK
  • Babul, Riyana
  • Thomas, Micki

publication date

  • January 20, 1997