Glucose-6-Phosphate Dehydrogenase Deficiency and Haemolytic Disease of the Newborn in Israel

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Abstract
Communities with very high frequencies of enzyme deficiency and those in which it was very rare did not differ significantly in the frequency of severe neonatal jaundice not due to iso-immunization. However, in one investigated sample of Iraqi Jews the number of enzyme-deficient cases among the jaundiced infants was significantly higher than expected from the gene frequency, suggesting that some cases of haemolytic disease of newborn due to enzyme deficiency did occur in this group. With one exception all the cases were mild and did not require exchange transfusions. The overall results suggest that although a few such cases may occur in this country, glucose-6-phosphate dehydrogenase deficiency cannot be con-sidered an important etiological factor in the causation of severe hemolytic neonatal jaundice in Israel, in spite of the existence of population groups with a very high frequency of the enzyme deficiency. The possible causes of differences between the findings in Israel and those reported from Greece, Sardinia and Malaya are discussed;.