Abstract 8809: Time Course of Appropriate ICD Therapy in Patients from the OMNI Registry: Implications for Duration of Driving Restriction.

TL;DRAbstract

Intro: AHA/HRS recommendations restrict driving in ICD patients (pts) for 6 months after implant for secondary prevention (SP) or primary prevention (PP) with an appropriate therapy (AT: antitachycardia pacing or shock) for ventricular arrhythmias (VA). Data supporting this are limited. Methods: The OMNI Registry was queried for appropriate ICD therapies for VA and assessed for the time course to first AT and appropriate shock (AS). Time to 2 nd and 3 rd AT/AS was recorded in the overall group and selected subgroups: 1) syncope (S) vs no S (NS); 2) PP vs SP. Episodes were adjudicated by a blinded events committee. Results: 2255 Pts, mean age 67 years (73 % M), mean LVEF 28 % were enrolled. Pts included both PP (74 %) and SP (26 %). S occurred in 22 % of pts prior to implant. Overall, 624/2255 pts (27.7 %) received a first AT in a mean of 13 ± 13 months post-implant. Of these, a 2 nd or 3 rd AT (AT2 or AT3, respectively) occurred in a mean of 5.4 ± 8.1 months (AT2 after AT1; 387/624; 62

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