Family history of anxiety disorders in control subjects with lactate- induced panic attacks
Abstract
The authors infused 45 control subjects with sodium lactate. Eight of 10 subjects with lactate-induced panic attacks and 26 of 35 without panic attacks were interviewed. An investigator, blind to the outcome of the infusion study, obtained family histories of 160 relatives. There was a high prevalence of anxiety disorders among first-degree relatives of subjects with panic attacks. There was no significant difference in the prevalence of mood disorders and substance abuse between first-degree relatives of subjects with (N = 45) and without (N = 115) panic attacks. The results suggest that individuals with a family history of anxiety disorders may be vulnerable to lactate- induced panic attacks.
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