Bedside TTE showed moderate TR both before and after the occluder release. On the first day after the procedure, TTE revealed enlargement of the right atrium and ventricle, severe TR, and dilation of ...

二尖瓣作为心脏的重要结构，由瓣叶、腱索（chordae tendineae，CT）和乳头肌等组成。腱索在二尖瓣的正常运作中起着关键作用，它像一根根 “小绳索”，连接着二尖瓣和三尖瓣，精准地调控着心脏跳动时瓣膜的开合，确保血液正常流动，维持心脏的正常功能。

Corticosteroid-releasing bioabsorbable stent or spacer insertion during endoscopic sinus surgery to treat chronic rhinosinusitis Interventional procedures guidance 4 March 2025 Early and locally ...