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Year : 2019  |  Volume : 9  |  Issue : 1  |  Page : 37-41

To determine the prevalence of glucose-6-phosphate dehydrogenase deficiency using a novel water-soluble tetrazolium-8 formazan method' for neonatal screening in region of Himachal Pradesh, India

Department of Pediatrics, Dr. Rajendra Prasad Government Medical College, Kangra, Himachal Pradesh, India

Correspondence Address:
Seema Sharma
House No. 23, Block-B, Type-V, Dr. Rajendra Prasad Government Medical College, Tanda, Kangra, Himachal Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/AIHB.AIHB_11_18

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Background: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most significant enzyme defect in India with an incidence ranging from 2% to 27.9% in different communities. Prolonged neonatal jaundice and haemolytic crisis are known to occur in children with G6PD deficiency. Hence, screening of a population for G6PD deficiency is paramount. A Novel water soluble tetrazolium-8 (WST-8) Formazan Method has been used in this study for in-field mass-screening of G6PD in the region of Himachal Pradesh, India. Materials and Methods: In this prospective study, 5652 neonates were screened to assay G6PD activity using WST8/1-methoxy phenazine methosulphate method within the first 48 h of life. Orange colour at the end of the procedure indicated normal G6PD activity while pink or colourless appearance indicated G6PD deficiency. Results: After the screening of 5652 neonates, the prevalence of G6PD deficiency was 12.4%. 45 newborns (6%) had a severe G6PD deficiency. Males were more affected than females (70:30). Furthermore, males had higher prevalence of deficiency than females (64% [n = 29] and 16% [n = 16]). Conclusions: G6PD deficiency assessment by the method used for population screening in the study was easy to do and quite simple. Following this, the high prevalence of this deficiency was noted in Himachal Pradesh. This study highlights the need to do neonatal screening of G6PD deficiency in population so that untowards complications like haemolytic crisis, complications due to neonatal jaundice can be avoided.

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