Indian pediatrics · 2023
Inborn Errors of Metabolism Associated With Autism Among Children: A Multicenter Study from Iran.
Многоцентровое исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Moravej Hossein, Inaloo Soroor, Nahid Saman, Mazloumi Shokrollah, Nemati Hamid, Moosavian Toktam, Nasiri Jafar, Ghasemi Fariba, Alaei Mohammad Reza, Dalili Setila, Aminzadeh Majid, Katibeh Pegah, Amirhakimi Anis, Yazdani Negar, Ilkhanipoor Homa, Afshar Zhila, Hadipour Fatemeh, Hadipour Zahra
Аннотация
OBJECTIVE: This study aimed to find the common inborn errors of metabolism in Iranian patients with autism spectrum disorder.
METHODS: In this cross-sectional multicenter study, 105 children and adolescents with autism spectrum disorder from six centers in different cities of Iran were enrolled between August, 2019 and October, 2020. Metabolic screening, including measuring plasma levels of amino acids, acylcarnitines, creatine, and guani-dinoacetate, and urinary levels of organic acids, purines, and pyrimidines was performed. Other data, including age, parental consanguinity, history of seizure, developmental mile-stones, and physical examination, were also recorded.
RESULTS: An inborn error of metabolism was found in 13 (12.4%) patients. Five patients (4.8%) had cerebral creatine deficiency syndrome, 4 (3.8%) had arginine succinate aciduria, 2- methylbutyryl glycinuria, short-chain acyl-CoA dehydrogenase deficiency, and combined methylmalonic aciduria/malonic aciduria. There was a strong association between positive meta-bolic evaluation and parental consanguinity, history of seizures, microcephaly, and delayed development.
CONCLUSIONS: Our results suggest that metabolic screening should be performed in the cases of autism associated with parental consanguinity, developmental delay, and a history of seizures. The assays to be considered as a screening panel include plasma or blood amino acids, acylcarnitines, creatine and guanidinoacetate, and urinary levels of organic acids.
METHODS: In this cross-sectional multicenter study, 105 children and adolescents with autism spectrum disorder from six centers in different cities of Iran were enrolled between August, 2019 and October, 2020. Metabolic screening, including measuring plasma levels of amino acids, acylcarnitines, creatine, and guani-dinoacetate, and urinary levels of organic acids, purines, and pyrimidines was performed. Other data, including age, parental consanguinity, history of seizure, developmental mile-stones, and physical examination, were also recorded.
RESULTS: An inborn error of metabolism was found in 13 (12.4%) patients. Five patients (4.8%) had cerebral creatine deficiency syndrome, 4 (3.8%) had arginine succinate aciduria, 2- methylbutyryl glycinuria, short-chain acyl-CoA dehydrogenase deficiency, and combined methylmalonic aciduria/malonic aciduria. There was a strong association between positive meta-bolic evaluation and parental consanguinity, history of seizures, microcephaly, and delayed development.
CONCLUSIONS: Our results suggest that metabolic screening should be performed in the cases of autism associated with parental consanguinity, developmental delay, and a history of seizures. The assays to be considered as a screening panel include plasma or blood amino acids, acylcarnitines, creatine and guanidinoacetate, and urinary levels of organic acids.