We need a trial on applying cardiac resynchronization therapy in patients with seere mitral regurgitation and to do immediate and long-term follow-up.
We need a trial on applying cardiac resynchronization therapy in patients with seere mitral regurgitation and to do immediate and long-term follow-up.
“我们需要进行相关研究，对严重二尖瓣返流病人进行复心律治疗，观察近期和远期疗效。”