| Advantages | 
· Simple | 
· Can be used when aortic valve is incompetent and in presence of coronary artery obstruction. | 
· Can be used in aortic insufficiency | 
| · Does not impede conduct of operation | 
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| Disadvantages | 
· Competent aortic valve needed | 
· Maldistribution to RV (8,14,15) | 
· Impedes conduct of operation | 
| · Cannot be used in coronary artery obstruction | 
· Less protection in left ventricular hypertrophy | 
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· Left SVC may be unrecognized and endanger myocardial protection | 
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· Technical challenge in some cases | 
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· Can cause rupture of coronary sinus | 
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