High incidence of (ultra)low oesophageal temperatures during cryoballoon pulmonary vein isolation for atrial fibrillatio
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Neth Heart J (2020) 28:662–669 https://doi.org/10.1007/s12471-020-01493-z
High incidence of (ultra)low oesophageal temperatures during cryoballoon pulmonary vein isolation for atrial fibrillation M. M. D. Molenaar Y. J. Stevenhagen
· T. Hesselink · M. F. Scholten · K. Kraaier · D. E. Bouman · M. Brusse-Keizer · P. F. H. M. van Dessel · B. ten Haken · J. G. Grandjean · J. M. van Opstal
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Accepted: 8 September 2020 / Published online: 10 November 2020 © The Author(s) 2020
Abstract Background Low oesophageal temperatures (OTs) during cryoballoon pulmonary vein isolation (PVI) have been associated with complications. This study assessed the incidence of low OT in clinical practice during cryoballoon PVI and verified possible predictive values for low OT. Methods Consecutive patients who underwent PVI using the second-generation cryoballoon were retrospectively included. The distance from the oesophagus to the different pulmonary veins (PVs) (OP distance), body mass index (BMI), sex, age, balloon temperature and application time were studied as potential predictors of low OTs. Computed tomography was performed before the procedure to determine the OP distance. OT was measured using an oesophageal temperature probe. Applications were ended prematurely if the OT reached
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