Abstract
Objective:
The authors sought to identify characteristics associated with premorbid and postmorbid panic disorder onset in relation to heart failure (HF) onset, and examine the effect on unplanned hospital admissions.
Methods:
In a two-stage screening process, 404 HF patients admitted to three hospitals in South Australia were referred for structured psychiatric interview when any of the following four criteria were met: (a) Patient Health Questionnaire ≥10; (b) Generalized Anxiety Disorder Questionnaire ≥ 7); (c) positive response to one-item panic attack screener; (d) or evidence of suicidality.
Results:
A total of 73 referred HF patients (age 60.6 ± 13.4, 47.9% female) were classified into three groups: premorbid panic disorder (27.4%), postmorbid panic disorder (24.7%), and no panic disorder (47.9%). Postmorbid panic disorder was associated with more psychiatric admissions and longer hospital stay in the 6 months prior to the index psychiatric assessment, and also in the 6 months after the index psychiatric assessment (all p <.05 unadjusted). In sensitivity analysis, years since panic disorder onset were associated with longer cardiac length of stay (β = .34, p = .03).
Conclusions:
Panic disorder onset in relation to HF diagnosis was associated with discrete patterns of hospital admissions for cardiac and psychiatric causes.
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