Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics · 2011
[Selective screening of inborn errors of metabolism by using the tandem mass spectrometry: pilot study of 552 children at high risk].
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Lou Yan, Yin Na, Chen Feng-Qin, Cheng Ya-Ying, Xu Li-Jin, Dai Fang, Song Xiao-Tao
Аннотация
OBJECTIVE: To study the application of tandem mass spectrometry (MS/MS) in the selective screening of inborn errors of metabolism (IEM) in high risk children and to understand the positive rate and types of IEM.
METHODS: MS/MS was used to examine 552 blood samples from high risk cases of IEM who came from 8 hospitals in Shijiazhuang, Hebei Province.
RESULTS: Sixty-four children (11.6%) were confirmed with IEM by the MS/MS, including 33 cases of methylmalonic acidemia or propionic acidemias, 2 cases of phenylketonuria, 3 cases of carnitine palmotoyl transferase I deficiency, 1 case of long-chain acyl-CoA dehydrogenase deficiency, 2 cases of medium-chain acyl-CoA dehydrogenase deficiency, 6 cases of maple syrup urine disease, 2 cases of short-chain acyl-CoA dehydrogenase deficiency, 2 cases of glutaric acidemia type I, 2 cases of isovaleric acidemia, 2 cases of homocystinuria, 4 cases of carnitine deficiency, 1 case of tyrosinemia, 1 case of argininosuccinic aciduria, 2 cases of citrullinemia and 1 case of argininemia.
CONCLUSIONS: MS/MS can be used to screen and classify IEM.
METHODS: MS/MS was used to examine 552 blood samples from high risk cases of IEM who came from 8 hospitals in Shijiazhuang, Hebei Province.
RESULTS: Sixty-four children (11.6%) were confirmed with IEM by the MS/MS, including 33 cases of methylmalonic acidemia or propionic acidemias, 2 cases of phenylketonuria, 3 cases of carnitine palmotoyl transferase I deficiency, 1 case of long-chain acyl-CoA dehydrogenase deficiency, 2 cases of medium-chain acyl-CoA dehydrogenase deficiency, 6 cases of maple syrup urine disease, 2 cases of short-chain acyl-CoA dehydrogenase deficiency, 2 cases of glutaric acidemia type I, 2 cases of isovaleric acidemia, 2 cases of homocystinuria, 4 cases of carnitine deficiency, 1 case of tyrosinemia, 1 case of argininosuccinic aciduria, 2 cases of citrullinemia and 1 case of argininemia.
CONCLUSIONS: MS/MS can be used to screen and classify IEM.