• Huma Arshad Cheema, Hassan Suleman Malik, Arit Parkash, and Zafar Fayyaz.
• Department of Gastroenterology, Hepatology and Nutrition, The Children Hospital and Institute of Child Health, Lahore.
• J Coll Physicians Surg Pak. 2016 Jun 1; 26 (6): 498-502.

ObjectiveTo determine the frequency, presentation and outcome of various inherited metabolic diseases in children presenting in a tertiary care hospital, Lahore, Pakistan.Study DesignAn observational study.Place And Duration Of StudyGastroenterology, Hepatology and Nutrition Department of The Children Hospital and Institute of Child Health, Lahore, from January 2011 to October 2014.MethodologyAll children aged < 14 years with high suspicion of a metabolic disorder were inducted. Routine and radiological investigation were carried out at the study place. Comprehensive diagnostic testing of particular metabolic disorder was sent abroad. Those with a specific metabolic disorder were included in the study while those with normal metabolic work-up were excluded. All data was collected on preformed proforma.ResultsAtotal of 239 patients were enrolled. Nineteen different types of inherited metabolic disorders were diagnosed in 180 patients; age ranged from 8 days to 14 years. Consanguinity was positive in 175 (97%) among the parents of the affected children, with previously affected siblings in 64 (35.5%). The most frequent disorders were inherited disorders of carbohydrate metabolism (92, 51%), lipid storage disease (59, 32.7%), organic acidemia and energy defects (18, 10%), amino acid disorder (6, 3.3%), and miscellaneous (4, 2.2%). Fifty-eight (32.2%) presented with acute metabolic crisis, 28 (15.5%) patients presented with early onset liver failure, and 24 (13.3%) with mental retardation. Out of these, 16 (8.8%) expired.ConclusionGlycogen storage disorders being the commonest followed by Gaucher disease and Galactosemia. The associated complications resulted in high morbidity and mortality.

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