Trajectories of Patient-Reported Health Status in Patients with an Implantable Cardioverter Defibrillator

To date, no study has assessed the course of patient-reported health status in patients with an implantable cardioverter defibrillator (ICD). Studying health status trajectories and their baseline determinants would permit the identification of patients at risk for poor health outcomes after ICD implantation. A combined cohort of 1,222 patients with an ICD (79% men; age = 61.4 [11.2] years) completed the 12-Item Short-Form Health Survey at baseline and 2 to 3 months and 12 to 14 months after implantation. Latent class analyses were used to identify trajectories and predictors of health status over time. Most health status trajectories showed a stable pattern after short-term follow-up, with differences between trajectories being mainly related to differences in absolute levels of health status. Seven trajectories were identified for physical health status. Being unemployed, symptomatic heart failure, ICD shock, psychotropic medication, negative affectivity, and type D personality were identified as independent determinants of poorer physical health status. For mental health status, 6 trajectories were identified. Younger age, low educational level, symptomatic heart failure, renal failure, no use of ACE inhibitors, psychotropic medication, negative affectivity, and type D personality were identified as independent determinants of poorer mental health status. In conclusion, the population with an ICD seems to be heterogeneous in terms of patient-reported physical and mental health status. Patients with an ICD who present with poor health status and a distressed personality profile should be timely identified and monitored as they may benefit from cardiac rehabilitation in combination with behavioral intervention.

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