 The most common heart operations in which cryosurgery may be used in this way are mitral valve repairs and coronary artery bypass grafting.During the procedure, a flexible cryoprobe is placed on or around the heart and delivers cold energy that disables tissue responsible for conducting the arrhythmia.Cryoablation has recently been used to treat low-flow vascular malformations such as venous malformations (VM) and fibroadipose vascular anomalies (FAVA).