Ryan T, Burwash I, Lu J, Otto C, Graham M, Verrier E, Spiess B D
Department of Anesthesiology, University of Washington Medical Center, Seattle, USA.
J Cardiothorac Vasc Anesth. 1996 Apr;10(3):323-8. doi: 10.1016/s1053-0770(96)80091-7.
To study the reproducibility of and agreement between perioperative transesophageal echocardiographic (TEE) and radionuclide (RN) assessment of ventricular volumes and ejection fraction (EF).
A prospective, blinded comparison of two methods of measurement.
A surgical intensive care unit in a university hospital.
Patients after coronary artery bypass surgery.
Left ventricular volumes and ejection fraction were simultaneously measured by radionuclide ventriculography and transesophageal echocardiography. Two sets of measurements were made in rapid succession with a third set after an interval.
Reproducibilities of EF and ventricular volumes by TEE and RN were similar. At each set of measurements, the bias for radionuclide EF and TEE Simpson's rule EF, 0.03 +/- 0.05, 0 +/- 0.06, -0.01 +/- 0.07, respectively, for radionuclide EF and TEE area length EF 0.01 +/- 0.05, -0.01 +/- 0.05, -0.03 +/- 0.08, respectively, were significantly less than for radionuclide EF and TEE FAC 0.07 +/- 0.05, 0.05 +/- 0.05, 0.03 +/- 0.09. Poor agreement was observed between RNTD-EDV, and both of the TEE EDV measurements.
EF measured by TEE area length and Simpson's rule method are as reproducible as TEE FAC and are more accurate estimates of RN EF. Poor agreement between methods of measuring end-diastolic volume was observed.
研究围手术期经食管超声心动图（TEE）与放射性核素（RN）评估心室容积和射血分数（EF）的可重复性及一致性。
两种测量方法的前瞻性、盲法比较。
大学医院的外科重症监护病房。
冠状动脉搭桥手术后的患者。
通过放射性核素心室造影和经食管超声心动图同时测量左心室容积和射血分数。快速连续进行两组测量，间隔一段时间后进行第三组测量。
TEE和RN测量EF及心室容积的可重复性相似。在每组测量中，放射性核素EF与TEE Simpson法则EF的偏差分别为0.03±0.05、0±0.06、-0.01±0.07，放射性核素EF与TEE面积长度EF的偏差分别为0.01±0.05、-0.01±0.05、-0.03±0.08，均显著小于放射性核素EF与TEE FAC的偏差0.07±0.05、0.05±0.05、0.03±0.09。观察到RNTD-EDV与TEE的两种EDV测量值之间一致性较差。
通过TEE面积长度法和Simpson法则测量的EF与TEE FAC一样具有可重复性，并且是对RN EF更准确的估计。观察到测量舒张末期容积的方法之间一致性较差。
