“…9 Followup in observational studies does not exceed 5 years, while many patients live more than a decade after device implantation. [10][11][12][13][14][15] Therefore, the aim of the present study was to provide an overview of the long-term clinical outcome of ICD and CRT-D recipients in a large cohort outside the setting of a clinical trial. Clinical outcome includes all-cause mortality, device therapy, device replacements, and device-related complications.…”