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一般认为喷血分数(EF)不能可靠地反映二尖瓣关闭不全病人的左室功能,左室功能障碍者,EF可在正常范围,对此种病人常需行侵入性检查测心室收缩指标。作者设想前向心搏出量(前向 SV)与舒张末期左室容积(EDV)的比值,即前向喷血分数(前向 EF),可能是反映二尖瓣关闭不全病人左室功能的一项有用指标。因为它反映左室向主动脉排血的能力,而传统的 EF 则反映左室向主动脉和左房排血的能力。本研究观察了54例 EF 正常的二尖瓣关闭不全病人的前向 EF,并与其它心功能指标比较,以验证上述推测。方法:54例经心导管和心血管造影证实的中至重度慢性单纯性二尖瓣关闭不全病人,男31人,女
Is generally believed that the spurt score (EF) can not reliably reflect the left ventricular function in patients with mitral regurgitation, left ventricular dysfunction, EF can be in the normal range, such patients often require invasive detection of ventricular contractility index. The authors hypothesize that the ratio of anterior stroke volume (SV) to left ventricular end-diastolic volume (EDV), anterior ejection fraction (EF), may be a function of left ventricular function in patients with mitral regurgitation A useful indicator Because it reflects the ability of the left ventricle to aorta discharge, while the traditional EF reflects the ability of the left ventricle to the left aorta and left atrium. In this study, 54 patients with normal EF of mitral regurgitation in patients with forward EF, and with other cardiac function indicators to verify the above speculation. Methods: 54 patients with moderate to severe chronic simple mitral regurgitation confirmed by cardiac catheterization and cardiovascular angiography, 31 males and 32 females