Esophageal cooling for protection during left atrial ablation : a systematic review and meta-analysis - Leung, Lisa W. M. (St George's University Hospitals NHS Foundation Trust, St. George's, University of London. Department of Cardiology) ; Gallagher, Mark M. (St George's University Hospitals NHS Foundation Trust, St. George's, University of London. Department of Cardiology) ; Santangeli, Pasquale (University of Pennsylvania. Perelman School of Medicine) ; Tschabrunn, Cory (University of Pennsylvania. Perelman School of Medicine) ; Guerra Ramos, José María (Institut d'Investigació Biomèdica Sant Pau) ; Campos, Bieito (Institut d'Investigació Biomèdica Sant Pau) ; Hayat, Jamal (St George's University Hospitals NHS Foundation Trust, St. George's, University of London. Department of Gastroenterology) ; Atem, Folefac (UT Southwestern Medical Center. Department of Neurology and Neurotherapeutics) ; Mickelsen, Steven (University of Iowa Carver College of Medicine. Department of Internal Medicine) ; Kulstad, Erik (UT Southwestern Medical Center. Department of Emergency Medicine) ; Universitat Autònoma de Barcelona