Respiratory physiology & neurobiology · 2002
A breath-holding challenge in panic disorder patients, their healthy first-degree relatives, and normal controls.
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Nardi Antonio E, Nascimento Isabella, Valença Alexandre M, Lopes Fabiana L, Zin Walter A, Mezzasalma Marco A, Versiani Marcio
Аннотация
Our aim was to observe the induction of panic attacks (PA) symptoms by a breath-hold test in panic disorder (PD) patients as the Diagnostic and Statistical Manual for Mental Disorders 4th edition (DSM-IV) and their healthy first-degree relatives. We randomly selected 26 PD patients, 28 healthy first-degree relatives of probands with PD and 25 normal volunteers with no family history of PD. They were induced to breath-hold for as long as possible four times with a two-min interval between them. Anxiety scales were applied before and after the test. Using specific PA criteria, 46.1% (n=12) PD patients, 7.1% (n=2) first-degree relatives and 4.0% (n=1) control subjects had a PA after the test (chi(2)=7.82, df=2, P=0.023). There was no heart rate, anxiety levels or breath-hold time differences among the groups. In this breath hold challenge test PD patients were more sensitive to breath-hold than first-degree relatives and normal volunteers.