Table 4 Complications of OPOTTMIS for simple CHD.

Operation relative (approximately 5%)

Occulder migration; Residual shunt; Bleeding; Arthythmia (Conduction block, Atrial fibrillation); Hemolysis; Blood thrombus; Air embolus; Infection; Hemopneumothorax; Pericardial tamponade; Death.

TEE relative (approximately 1 ~ 3%)

Serious: Death; Esophagus and gastric perforation; Upper gastrointestinal hemorrhage; Arthythmia; Aspiration pneumonitis.

Mild: Temporary air duct compression; Ventilation restriction; Descending aorta compression.