Direct Ablation for Atrial Fibrillation from the Emergency Department

From the Emergency Department Directly to Ablation of Atrial Fibrillation - Study - The "EMERGE-Cryo-Study"

Not applicable Interventional Asklepios proresearch · NCT05294445

This study tests if giving immediate catheter ablation to patients with recent atrial fibrillation in the emergency department can lead to better health outcomes and fewer hospital visits compared to standard care.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment350 (estimated)
Ages18 Years to 85 Years
SexAll
SponsorAsklepios proresearch Industry-sponsored
Locations13 sites (Bad Nauheim and 12 other locations)
Trial IDNCT05294445 on ClinicalTrials.gov

What this trial studies

This study investigates the effectiveness of immediate catheter ablation for patients with recent-onset paroxysmal or persistent atrial fibrillation (AF) who present to the emergency department. It is a prospective, two-arm, randomized, open-label study that aims to determine if early intervention can improve outcomes and reduce hospitalizations associated with AF. The study will compare the outcomes of patients receiving ablation therapy directly from the emergency department to those receiving standard care. The goal is to address the rising prevalence and healthcare costs associated with AF by providing timely treatment.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older with documented recent-onset paroxysmal or persistent atrial fibrillation who present to the emergency department.

Not a fit: Patients with a history of persistent AF lasting more than six months or those with significant heart valve issues may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly reduce hospitalizations and improve the quality of life for patients with atrial fibrillation.

How similar studies have performed: Previous studies have shown that catheter ablation is effective for AF treatment, but this specific approach of immediate ablation from the emergency department is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Documented, paroxysmal or persistent AF (longest AF episode \< 6-month duration). Any ECG documentation of AF (12 lead ECG, Holter ECG or mobile ECG monitoring) needs to be presented.
* Recent-onset AF (≤ 1 year prior to enrolment)
* Presenting at the emergency department or outpatient clinic within the last 2 weeks because of AF, including patients with spontaneous conversion in sinus rhythm (with prior AF documentation)
* Age ≥ 18 years
* Subject is able and willing to give informed consent

Exclusion Criteria

* Pers. AF \> 6 Mon (one episode)
* LA-Diameter \> 60mm
* Severe mitral stenosis or regurgitation, prior mitral valve reconstruction or replacement
* Any previous left atrial ablation
* Ongoing continuous AAD therapy with Amiodarone at baseline
* History of failed continuous AAD therapy with \> 1 agent. Exceptions are Beta blocker, Verapamil or "pill in the pocket"-therapy.
* Any condition or disease, which is contraindication for AF ablation, up to the assessment of the investigator
* Any condition or disease, which is a contraindication for antiarrhythmic drug treatment, up to the assessment of the investigator
* Known intra-cardiac thrombus formation under continuous oral anticoagulation (defined as intake \>4 weeks)
* Any contraindication for oral anticoagulation
* Any untreated or uncontrolled hyperthyroidism or other reversible causes for AF like alcoholism
* Pregnant or breastfeeding woman or woman of childbearing potential not on adequate birth control
* Active systemic infection
* Co-Existence of non PV-dependent atrial Tachycardia
* Indication for implantation of ICD or pacemaker

Where this trial is running

Bad Nauheim and 12 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Atrial FibrillationAblation
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.