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Forest plot of the included studies concerning on the composite adverse events. Composite adverse events include death, stroke, transient ischaemic attack, cardiac tamponade, groin complications, worsening heart failure, pulmonary vein stenosis, atrial oesophageal fistula, cardiogenic shock, oesophageal ulcer, pericardial effusion, myocardial infarction, pulmonary oedema, vascular access complications, haematoma, and major bleeding.
