Jing Li, Juan Zhang, Yu Shi, Horst Sievert, Cynthia C Taub, Stefan Bertog, Shengjun Ta, Lei Changhui, Ethan Senser, Jing Wang, Rui Hu, Junzhe Huang, Fangqi Ruan, Yupeng Han, Xiaojuan Li, Bo Wang, Xueli Zhao, Jiao Liu, David H Hsi, Liwen Liu
OBJECTIVE: Echocardiography-guided Percutaneous IntraMyocardial Septal Radiofrequency Ablation (PIMSRA, Liwen procedure) is a novel treatment option for hypertrophic obstructive cardiomyopathy (HOCM). The impact of PIMSRA on myocardial mechanics is unknown. METHODS: Between October 2016 and June 2019, PIMSRA and 3-dimentional speckle tracking echocardiography were performed in 82 patients. Echocardiographic imaging, qualitative and quantitative clinical assessment were completed at baseline, immediately postprocedure and 1-year follow-up...
January 27, 2023: Heart