Age
Item
patients age 18 or greater.
boolean
C0001779 (UMLS CUI [1])
Paroxysmal atrial fibrillation Severe | Persistent atrial fibrillation Severe
Item
"high burden" of paroxysmal atrial fibrillation or persistent atrial fibrillation
boolean
C0235480 (UMLS CUI [1,1])
C0205082 (UMLS CUI [1,2])
C2585653 (UMLS CUI [2,1])
C0205082 (UMLS CUI [2,2])
Indication Ablation for atrial fibrillation | ATRIAL FIBRILLATION SYMPTOMATIC | Anti-Arrhythmia Agents Quantity Unresponsive to Treatment
Item
candidates for af ablation based on af that is symptomatic and refractory to at least one antiarrhythmic medication.
boolean
C3146298 (UMLS CUI [1,1])
C2702800 (UMLS CUI [1,2])
C0741283 (UMLS CUI [2])
C0003195 (UMLS CUI [3,1])
C1265611 (UMLS CUI [3,2])
C0205269 (UMLS CUI [3,3])
Atrial Fibrillation Episode Quantity | Electrocardiography | Holter Electrocardiography
Item
at least one episode of af must have been documented by ecg or holter within 12 months of randomization in the trial.
boolean
C0004238 (UMLS CUI [1,1])
C0332189 (UMLS CUI [1,2])
C1265611 (UMLS CUI [1,3])
C1623258 (UMLS CUI [2])
C0013801 (UMLS CUI [3])
Anticoagulation Therapy | Warfarin
Item
continuous anticoagulation with warfarin (inr 2-3) for >4 weeks prior to the ablation.
boolean
C0003281 (UMLS CUI [1])
C0043031 (UMLS CUI [2])
Informed Consent
Item
patients must be able and willing to provide written informed consent to participate in the clinical trial.
boolean
C0021430 (UMLS CUI [1])
Chronic atrial fibrillation
Item
chronic atrial fibrillation.
boolean
C0694539 (UMLS CUI [1])
Atrial Fibrillation Secondary to Cause Reversible
Item
patients with af felt to be secondary to an obvious reversible cause.
boolean
C0004238 (UMLS CUI [1,1])
C0175668 (UMLS CUI [1,2])
C0015127 (UMLS CUI [1,3])
C0205343 (UMLS CUI [1,4])
Anticoagulation Therapy Inadequate
Item
inadequate anticoagulation as defined in the inclusion criteria.
boolean
C0003281 (UMLS CUI [1,1])
C0205412 (UMLS CUI [1,2])
Thrombus of left atrium | Transesophageal echocardiography with contrast Spontaneous
Item
left atrial thrombus or spontaneous echo contrast on tee prior to procedure.
boolean
C3532827 (UMLS CUI [1])
C2585900 (UMLS CUI [2,1])
C0205359 (UMLS CUI [2,2])
Medical contraindication Anticoagulation Therapy Systemic | Medical contraindication Heparin | Medical contraindication Coumadin
Item
contraindications to systemic anticoagulation with heparin or coumadin.
boolean
C1301624 (UMLS CUI [1,1])
C0003281 (UMLS CUI [1,2])
C0205373 (UMLS CUI [1,3])
C1301624 (UMLS CUI [2,1])
C0019134 (UMLS CUI [2,2])
C1301624 (UMLS CUI [3,1])
C0699129 (UMLS CUI [3,2])
ablation for atrial fibrillation
Item
previously undergone atrial fibrillation ablation.
boolean
C2702800 (UMLS CUI [1])
Left atrium size
Item
left atrial size > 55 mm.
boolean
C1269894 (UMLS CUI [1,1])
C0456389 (UMLS CUI [1,2])
Pregnancy | Pregnancy Possible
Item
patients who are or may potentially be pregnant
boolean
C0032961 (UMLS CUI [1])
C0032961 (UMLS CUI [2,1])
C0332149 (UMLS CUI [2,2])