Key result
Comorbidity burden in ICD patients was significantly associated with depression (P=0.003) and poorer physical health status domains (P<0.05) during the first 12 months post-implantation.
Why the study?
Is comorbidity burden associated with poorer psychological well-being and physical health status in patients with an ICD?
Cohort (n=401)
Is comorbidity burden associated with poorer psychological well-being and physical health status in patients with an ICD?
p-value: p=0.003 for depression
Higher comorbidity burden in ICD patients is a significant predictor of poorer physical health status and depression during the first year post-implantation.
Comorbidity burden may flag ICD patients for depression and physical impairment; leaves open whether comorbidity-focused interventions improve outcomes.
AIMS: Comorbidity burden has been linked to survival in patients with an implantable cardioverter-defibrillator (ICD), but no study has examined the influence on psychological well-being and health status. We examined the relationship between comorbidity burden and anxiety, depression, and health status in patients with an ICD during the first 12 months post-implantation using a prospective study design. METHODS AND RESULTS: Consecutively, implanted ICD patients (N = 401; 78% men) completed the Hospital Anxiety and Depression Scale and the Short Form Health Survey 36 (SF-36) at baseline, 3, 6, and 12 months post-implantation. Data were analysed using general linear mixed modelling repeated measures multivariable analysis of variance. The mean Charlson comorbidity index score was 3.5 (± 2.4). In adjusted analyses, comorbidity burden was significantly associated with depression (P = 0.003) and the physical health status domains of the SF-36 (Physical Functioning: P < 0.001; Role Limitations-Physical: P = 0.023; Bodily Pain: P = 0.004; and General Health: P = 0.025) but not with anxiety (P = 0.62) and the mental health status domains of the SF-36 (all P's > 0.05). Chronic heart failure, chronic obstructive pulmonary disease, cerebrovascular disease, and renal failure were the comorbidities with the most impact on depression and physical health status. CONCLUSION: Comorbidity burden was a significant predictor of poorer psychological well-being and physical health status in ICD patients during the first 12 months post-implantation. In the care and management of ICD patients, it is important to recognize the impact of comorbidity burden on patients' mood and health status, and that adjunctive intervention may be warranted to enhance well-being.
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Hoogwegt et al. (2013) conducted a cohort in Implantable cardioverter-defibrillator (ICD) patients (n=401). Comorbidity burden was evaluated on Depression, anxiety, and health status (SF-36 domains) (p=0.003 for depression). Comorbidity burden in ICD patients was significantly associated with depression (P=0.003) and poorer physical health status domains (P<0.05) during the first 12 months post-implantation.
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