Why the study?
Does mood disturbance increase the risk of arrhythmia events in patients after ICD implantation?
Population
176 patients undergoing implantation of an automatic internal cardioverter defibrillator, mean age 60 +/- 13…
Comparison
Higher level of mood disturbance vs Lower level of mood disturbance
Design
Cohort
Follow-up
9 months
Authors
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Mood disturbance may predict post-ICD arrhythmias; hypothesis-generating and should not yet change practice.
Does mood disturbance increase the risk of arrhythmia events in patients after ICD implantation?
Mood disturbances such as anxiety, fatigue, and confusion independently predict subsequent arrhythmia events in patients with an ICD, suggesting negative emotions are a cause rather than a consequence of arrhythmias.
Dunbar et al. (1999) studied this question.
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