Glucose-6-phosphate dehydrogenase deficiency in Tunisian jaundiced neonates

被引:5
作者
Dabboubi, Rym [1 ]
Amri, Yessine [1 ]
Hamdi, Soumaya [1 ]
Jouini, Hamida [2 ]
Sahli, Chaima [1 ]
Fredj, Sondess Hadj [1 ]
Ben Salem, Kamel [3 ]
ElhoudaToumi, Nour [2 ]
Messaoud, Taieb [1 ]
机构
[1] Bechir Hamza Childrens Hosp, Biochem Lab, Tunis, Tunisia
[2] Bechir Hamza Childrens Hosp, Hematol Lab, Tunis, Tunisia
[3] Univ Monastir, Fac Med Monastir, Dept Community Med, Monastir, Tunisia
关键词
G6PD deficiency; neonate; jaundice; mutations; HYPERBILIRUBINEMIA; PREVALENCE; PROVINCE; GENOTYPE;
D O I
10.1684/abc.2020.1558
中图分类号
R446 [实验室诊断]; R-33 [实验医学、医学实验];
学科分类号
1001 ;
摘要
Background and objectives: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most common human enzymopathy worldwide associated with hemolysis as well as neonatal jaundice, kernicterus, and even death. The goal of this study is to determinate the prevalence of G6PD deficiency in icteric neonates and to investigate its biochemical, hematological and molecular characteristics, Patients and methods: This cross sectional study was carried out on 154 icteric newborns admitted to the Bechir Hainza Children's Hospital in Tunisia. Laboratory evaluations included complete blood count, total serum bilirubin level (TSB), and erythrocyte G6PD activity. The G6PD activity was determined using a quantitative assay, which allowed us to divide the total population into two groups: normal and deficient population. The common G6PD Tunisian mutations (GdA and GdMed) were determined using the amplification refractory mutation system (ARMS-PCR) method. Results: The prevalence of G6PD deficiency among total population (154 icteric newborns) was 18.83%. Male neonates showed a higher incidence of G6PD deficiency of 11.03% compared to females (7.79%), There was no statistical difference between the two groups (normal and deficient), in relation to the sex, peak TSB level, age at peak TSB, hemoglobin level, and hematocrit. However, there was a significant difference in gestational age. In the deficient group, 48.28% neonates presented the peak TSB level between 3 to 7 days and 55% of the cases show a peak TSB level greater than 250 pfmol/L. The G6PD G202A variant was found in 41.37% of cases. Conclusion: This study shows a higher prevalence of G6PD deficiency in icteric newborns of Tunisia (18.83%). This emphasizes the necessity of neonatal screening for G6PD deficiency to prevent the exposure of these newborns to known hemolytic agents and, subsequently,to prevent kernicterus or other serious complications.
引用
收藏
页码:411 / 416
页数:6
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