➤ Before Liwen procedure, wecould see three septal perforators of the left anterior descending coronaryartery on CTA➤ Two weeks after the procedure, CTA showed thatthe three septal perforators had beendisappeared by our ablation
Efficacy➤ 15 patients have received 6-monthfollow-up,LVOT PG at rest decreased from 88 to11 mmHg and LVOT PG at provocation from 117 to 25 mmHg.➤ Maximum septal thickness from 25 to14 mm.