Aims: Despite previous surveys regarding device implantation rates in heart failure (HF), insight into the real-world management with devices is scarce. Therefore, we investigated device implantation rates in HF with reduced left ventricular ejection fraction (LVEF) in 34 Dutch centres. Methods and results: A cross-sectional outpatient registry was conducted in 6666 patients with LVEF < 50% and with information about device implantation available [74 (66–81) years of age; 64% male]. Patients were classified into conventional pacemakers (PM, n = 562), implantable cardioverter defibrillators (ICD, n = 1165), and cardiac resynchronization therapy with defibrillator function (CRT-D, n = 885) or pacemaker function only (CRT-P, n = 248), or no device (n = 3806). Centres were divided into ICD-implanting and CRT-implanting and referral centres. Overall, 17.5% had an ICD, 13.3% CRT-D, 3.7% CRT-P, and 8.4% PM. Of those with LVEF ≤ 30%, 42.5% had ICD or CRT-D therapy. A large variation in implantation rates existed between centres: 3–51% for ICD therapy, 0.3–44% for CRT-D therapy, 0–11% for CRT-P therapy, and 0–25% PM therapy. Implantation centres showed higher implantation rates of ICD, CRT-D, and CRT-P compared with referral centres [36% vs. 25% for defibrillators (ICD or CRT-D) and 17% vs. 9% for CRT devices (CRT-D or CRT-P), respectively, P < 0.001], independently of other factors. A large number of clinical factors were predictive for device usage. Among other, LVEF < 40% and male sex were independent positive predictors for ICD/CRT-D use [odds ratio (OR) = 3.33, P < 0.001; OR = 1.87, P = 0.019, respectively]. Older age was independently associated with less ICD/CRT-D (OR = 0.96 per year, P < 0.001) and more CRT-P/PM use (OR = 1.03 per year, P = 0.006). Conclusions: In this large Dutch HF registry, less than half of the patients with reduced LVEF received an ICD or CRT, even if LVEF was ≤30%, and a large variation between centres existed. Patients from implantation centres had more often ICD or CRT. More uniformity regarding guideline-based use of device therapy in clinical practice is needed.

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Keywords Cardiac resynchronization therapy, Electrical device therapy, Heart failure, Implantable cardioverter defibrillator, Real-world heart failure management
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Journal ESC Heart Failure
Raafs, A.G. (Anne G.), Linssen, G.C.M, Brugts, J.J, Erol-Yilmaz, A. (Ayten), Plomp, J. (Jacobus), Smits, J.P.P. (Jeroen P.P.), … Brunner-LaRocca, H.-P. (Hans-Peter). (2020). Contemporary use of devices in chronic heart failure in the Netherlands. ESC Heart Failure. doi:10.1002/ehf2.12740