Abstract

Context: Hyperbilirubinemia due to glucose 6 phosphate dehydrogenase(G6PD) deficiency can cause permanent neurological damage and death in neonates.Screening for the enzyme enables timely diagnosis and treatment in cases of G6PD relatedkernicterus. Knowledge of patient G6PD status is also important in treatment of malaria, adisease endemic in Pakistan. World Health Organization recommends mandatoryuse ofprimaquine for radical cure and eradication of malaria. Since, Primaquine, causes hemolysisin G6PD deficient cases, widespread adoption of the drug is viewed with caution. Aims: Thisstudy assessed frequency of G6PD deficiency in Pakistani noenates and examines the need forits screening based on local disease prevalence and malaria endemicity. Settings and Design:A cross sectional study was carried at Hematology Department, Army Medical College (NUST),in collaboration with Military Hospital, Rawalpindi, Pakistan.(January - August, 2011). Methodsand Material: The frequency of G6PD deficiency in newborn population was determined byquantitative (spectrophotometric) method. Cord blood (2.5 ml blood in K3EDTA bottle) sampleswere obtained from 240 newborns (male: female 1.2:1) after informed consent from parents.Statistical analysis used: Data obtained was analyzed using SPSS Windows version 17.Results: Frequency of G6PD deficient cases was 4.2%. Among the ten G6PD deficient patients,six had severe enzyme deficiency (<10% enzyme activity). Conclusions: The local prevalenceof G6PD deficiency and its potential complications qualify it as a disease that must be screenedfor. Also, prior knowledge of patient G6PD status enables the physician to revert to modifiedtreatment regimen for malaria only in enzyme deficient cases and not otherwise.

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