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