Arrhythmias & electrophysiologyCross-sectional study

Insights into adherence to medication and lifestyle recommendations in an international cohort of patients with catecholaminergic polymorphic ventricular tachycardia

EuropacePublished

  • Cross-sectional study
  • online multilingual survey
  • international

Authors' conclusion

The significant rate of non-adherence associated with concerns regarding CPVT-related medication, emphasizes the potential for improving therapy adherence by targeted patient education.

Study context

Population
Patients with catecholaminergic polymorphic VT (catecholaminergic polymorphic ventricular tachycardia (CPVT)), international cohort200 prescribed medication
Participants
218 patients
Outcome
Self-reported non-adherence to medication (Medication Adherence Rating Scale (MARS)) and lifestyle recommendations

Main finding

As reported in the abstract

Non-adherence
Non-adherent to medication
30 (15%)
Exercising more than recommended
19 (13.4%)
Female sex associated with non-adherence
OR 3.7 (1.3-12.0), P = 0.019 (95% CI)
Flecainide monotherapy vs combination therapy associated with non-adherence
OR 6.8 (1.6-31.0), P = 0.010 (95% CI)
Higher concerns about CPVT medication associated with non-adherence
OR 1.2 (1.1-1.3), P < 0.001 (95% CI)

Observational data: associations, not effects.

Further findings

Syncope, aborted cardiac arrest or appropriate ICD shock after diagnosis

Patients with event
34 (17%)

Original publication

Insights into adherence to medication and lifestyle recommendations in an international cohort of patients with catecholaminergic polymorphic ventricular tachycardia. Europace. Published 13 February 2024. doi:10.1093/europace/euae044

Summarised from the published abstract; every number is checked against it