Key result
Pulmonary vein isolation using the second-generation 28-mm cryoballoon resulted in esophageal thermal lesions in 12% of patients, all of which were in the healing process on repeat endoscopy.
Population
50 patients with drug-refractory paroxysmal atrial fibrillation or short-standing persistent atrial…
Design
Cohort
Follow-up
2±1 days for initial EGD, 4±2 days for repeat EGD
Authors
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Esophageal lesions with cryoballoon PVI may warrant temperature monitoring; leaves open optimal safety cutoffs.
Observational (n=50)
The use of the second-generation 28-mm cryoballoon for pulmonary vein isolation is associated with a 12% incidence of esophageal thermal lesions, highlighting the potential need for an esophageal temperature safety cutoff.
Metzner et al. (2013) conducted an observational in Drug-refractory paroxysmal atrial fibrillation or short-standing persistent atrial fibrillation (n=50). Second-generation 28-mm cryoballoon was evaluated on Incidence of esophageal thermal lesions (ETLs). Pulmonary vein isolation using the second-generation 28-mm cryoballoon resulted in esophageal thermal lesions in 12% of patients, all of which were in the healing process on repeat endoscopy.
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