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Q Are phobic anxiety and depression associated with ventricular arrhythmia?
Prospective cohort study.
Duke Medical Centre, North Carolina, USA; enrolment April 1999 to June 2002.
940 adults (aged 29–90 years) with coronary artery disease (prior heart attack or revascularisation procedure, or ⩾75% stenosis of one coronary artery) attending hospital for diagnostic cardiac catheterisation. Exclusions: abnormal sinus rhythm at baseline; myocardial infarction or revascularisation procedure in the previous month; major non-affective psychiatric disorder; communication difficulties.
Phobic anxiety was assessed using the Crown-Crisp phobic anxiety subscale. To assess the effect of phobic anxiety as a predictor of outcome, participants in the middle of …
For correspondence: Lana L Watkins, Department of Psychiatry and Behavioral Sciences, Box 3119, Duke Medical Centre, Durham, NC 27710, USA;
Source of funding: National Institutes of Health, USA.