<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>15759</id><no>TRAC-AF-GEN2</no><status>Open</status><title>Tracking Results of Ablation and LAA Management to Combat AF Registry &#xD;
(TRAC-AF Registry)  &#xD;
</title><secondary_protocol_no> Pro00022311</secondary_protocol_no><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Observational</treatment_type><disease_site>Atrial fibrillation</disease_site><PI>Nissen, Alexander</PI><institution>Medstar Washington Hospital Center : Kate Mahoney</institution><management_group>MCRN - Cardiac Surgery</management_group><item><contact_id>13443</contact_id><item_description>Kate Mahoney</item_description><js_safe_str>Kate Mahoney</js_safe_str><email>Katharine.E.Mahoney@medstar.net</email></item></protocol><sipVersion>2026.1.0 Build 16</sipVersion><copyright> &lt;a href="https://advarra.com" target="_blank"&gt;&amp;copy; 2026 Advarra, Inc.&lt;/a&gt; </copyright></protocol_summary>