常見例句雙語例句The most common causes are aortic or pulmonic valve regurgitation.最常見的原因是主動脈瓣或肺動脈瓣反流。Methods The surgical indications, procedures, therapeutic effects and follow-up results of 78 children with mitral valve regurgitation undergoing mitral valvuloplasty were analysed.方法 對接受二尖瓣成形術(shù)治療的78例二尖瓣反流患兒的手術(shù)指征、手術(shù)方式、療效及隨訪結(jié)果進行分析。xuebao.shsmu.edu.cnValve regurgitation is a condition in which valves don't close tightly, allowing blood to flow backward across the valve. Symptoms include shortness of breath, fatigue and heart palpitations.瓣膜回流是由于瓣膜關(guān)閉不全,致使血液通過瓣膜回流,癥狀包括呼吸短促、疲勞和心悸。 返回 valve regurgitation