, Volume 13, Issue 3, pp 321-324

Tandem mass spectrometry: A new method for acylcarnitine profiling with potential for neonatal screening for inborn errors of metabolism

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A method for analysis of acylcarnitines in blood at physiological concentrations has been developed. Preliminary results from umbilical cord blood and neonatal blood spotted onto Guthrie cards are encouraging. This method will detect up to at least eight inherited metabolic disorders which exhibit diagnostic acylcarnitine profiles, including medium-chain acyl-CoA dehydrogenase deficiency. The speed and simplicity of the method permit automation with existing technology, and could enable routine neonatal screening to be carried out in an efficient and cost-effective manner.