Table 1: Advantages and disadvantages of various techniques.
ASA [16] | Surgical myectomy [16] | RFA [17-19] | |
Advantages |
• Less invasive • Avoidance of sternotomy • Shorter hospital stay • Lower risk of stroke |
• Ability to treat other concomitant conditions • Lower risk of Complete heart block |
• Less invasive • Avoidance of sternotomy • Shorter hospital stay • Lower risk of stroke • Lower risk of CHB • Lower risk of BBB |
Disadvantages |
• Requires suitable coronary anatomy • High rate of bundle branch block • High rate of CHB • Potentially arrhythmogenic |
• Open heart surgery with bypass • High cost • High rate of LBBB • Limited availability of expertise • Side effects of surgeries |
• High cost • Limited data due to minimal amount of trials |