This is a prospective, multi-center and objective performance criteria study to evaluate the effectiveness and safety of the NoYA™ Radiofrequency Interatrial Shunt System for the treatment of chronic heart failure with elevated left atrial pressure. Patients with chronic heart failure with elevated left atrial pressure who meet study eligibility criteria will be enrolled and undergo radiofrequency ablation of the interatrial procedure with NoYA™ Radiofrequency Interatrial Shunt System (Noya Medtech) after signing the informed consent. The follow-up will be conducted at discharge, 1 month, 3 months, 6 months, and 12 months after the operation.
A Prospective, Multiple Center, and Objective Performance Criteria Study to Evaluate the NoYA™ Radiofrequency Interatrial Shunt System manufactured by NoYA Medtech (Hangzhou) Co., Ltd. for the Treatment of Chronic Heart Failure with Elevated Left Atrial Pressure.