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Are Patients at Risk for Developing Panic Disorder After an Emergency Department Visit With Noncardiac Chest Pain?
Guillaume Foldes-Busque1, Marie-France de Lafontaine1, Stéphane Turcotte2
1School of Psychology, Université Laval, Québec, QC, Canada; Research Centre of the Chaudière-Appalaches Integrated Center for Health and Social Services, Lévis, QC, Canada; Research Centre of the Quebec Heart and Lung Institute, Québec, QC, Canada.
Background:
Panic disorder (PD) is common in emergency department (ED) patients with noncardiac chest pain (NCCP). The literature suggests that initially PD-free patients may be at increased risk of developing PD in the months or years following an ED visit.
Objectives:
This study aims to determine the incidence of PD in the 2 years following an ED visit with NCCP and to identify predictors of incident PD.
Methods:
This study was conducted using a longitudinal, observational design. Five hundred eighty-five patients with NCCP (without PD) were recruited in two EDs. They underwent an interview and completed a series of questionnaires assessing anxiety disorders, perceived social support, psychological distress, anxiety sensitivity, comorbidities, and stressful life events. PD was assessed 6 months, 1 year, and 2 years after the initial interview.
Results:
PD incidence was 11.1% (95% confidence interval: 8.7-13.9) in the two years following the baseline assessment. Anxiety sensitivity (odds ratio = 1.08; 95% confidence interval: 1.04-1.11; P < .001) and stress related to life events (odds ratio = 1.14; 95% confidence interval: 1.06-1.24; P = .001) significantly predicted incident PD.
Conclusions:
Patients with NCCP are at high risk for developing PD in the 2 years following an ED visit with NCCP. Anxiety sensitivity and stress related to life events may be promising clinical targets for preventive interventions.
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