It is suggested that salivary alpha-amylase (sAA) may be a marker of sympathoadrenal medullary system activity. Thus, it can be a possible relationship sAA and anxiety disorders. The aim of this study is to investigate sAA in children and adolescents with anxiety disorders and healthy controls. Thirty drug-free youths, aged 8-16 years, who were diagnosed as any anxiety disorders and 36 healthy controls with similar socio-demographic characteristics were included in this study. The sAA was found to be significantly increased in anxiety group compared to control group. However, there was no correlation between sAA and any anxiety scores of the scales. Present study suggested that anxiety disorders in youths may be associated with increased autonomic activity. (C) 2015 Elsevier Ireland Ltd. All rights reserved.
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Univ Fed Goias, Hlth Sci Special Unit, Jatai, Go, Brazil
Univ Estadual Campinas, Piracicaba Dent Sch, Dept Pediat Dent, Sao Paulo, BrazilUniv Fed Goias, Hlth Sci Special Unit, Jatai, Go, Brazil
Lucas, Barbara de Lima
Barbosa, Tais de Souza
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Univ Fed Juiz de Fora, Inst Life Sci, Dept Dent, Governador Valadares, MG, Brazil
Univ Estadual Campinas, Piracicaba Dent Sch, Dept Pediat Dent, Sao Paulo, BrazilUniv Fed Goias, Hlth Sci Special Unit, Jatai, Go, Brazil
Barbosa, Tais de Souza
Castelo, Paula Midori
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Fed Univ Sao Paulo UNIFESP, Dept Pharmaceut Sci, Sao Paulo, Brazil
Univ Estadual Campinas, Piracicaba Dent Sch, Dept Pediat Dent, Sao Paulo, BrazilUniv Fed Goias, Hlth Sci Special Unit, Jatai, Go, Brazil
Castelo, Paula Midori
Duarte Gaviao, Maria Beatriz
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Univ Estadual Campinas, Piracicaba Dent Sch, Dept Pediat Dent, Sao Paulo, BrazilUniv Fed Goias, Hlth Sci Special Unit, Jatai, Go, Brazil