Same day discharge can be performed safely after atrial fibrillation catheter ablation using a wide-footprint lattice-tip dual-energy system

Figures

• 

  Figure 1. Days to discharge. Percentage of patients being discharged on the same day (day 0, navy), patients with 1 overnight stay (day 1, dark blue) and patients with a prolonged hospital stay (2–7 days, light blue) in the investigational arm and the control arm. No patients in the trial stayed for more than 7 days after the index ablation. The investigational Sphere-9 lattice-tip dual-energy catheter with Affera Mapping and Ablation System is shown on the left. The control system consisting of a multielectrode mapping catheter separate catheter for radiofrequency ablation (Thermocool Smarttouch Surround Flow) is shown on the right.

• 

  Figure 2. Timing of procedure- and device-related SAEs within 30 days stratified by discharge date. Timing of procedure- and device-related serious adverse events (SAEs) within the first 30 days post-ablation in the investigational arm (left) and control arm (right) based on their discharge schedule. SAEs that are related to the procedure or device are depicted in bold, events that are possibly related are not bolded. Days of rehospitalization are depicted in italic blue. No events occurred after day 9 post-procedure.

• 

  Figure 3. Statistically significant predictors of same day discharge. Percentage of patients being discharged the same day based on (A) the hour of the day that the procedure ended, and (B) the total procedure time (defined as skin-to-skin-time) in both arms combined. Candidate variables for predictors of same-day discharge were: randomization arm, age, sex, race, CHA2DS2-VASc score, left ventricular ejection fraction, left atrial diameter, body mass index, history of congestive heart failure, history of coronary artery disease, diabetes mellitus, hypertension, history of myocardial infarction, history of obstructive sleep apnea, renal disease, history of stroke/transient ischemic attack, skin-to-skin procedure time, total ablation energy application time, total fluid delivered by ablation catheters, time from first diagnosis of persistent AF, time of day the ablation procedure ended. Site was used as a random effect in the linear regression model.