Van Nostrand D, Janowitz W R, Holmes D R, Cohen H A
Cathet Cardiovasc Diagn. 1979;5(3):247-55. doi: 10.1002/ccd.1810050305.
The ability of equilibrium gated radionuclide ventriculography to detect segmental left ventricular (LV) wall motion abnormalities was determined in 26 patients undergoing cardiac catheterization. Multiple gated studies obtained in 30 degrees right anterior oblique and 45 degrees left anterior oblique projections, played back in a movie format, were compared to the corresponding LV ventriculograms. The LV wall in the two projections was divided into eight segments. Each segment was graded as normal, hypokinetic, akinetic, dyskinetic, or indeterminate. Thirteen percent of the segments in the gated images were indeterminate; 24 out of 27 of these were proximal or distal inferior wall segments. There was exact agreement in 86% of the remaining segments. The sensitivity of the radionuclide technique for detecting normal versus any abnormal wall motion was 71%, with a specificity of 99%. Equilibrium gated ventriculography is an excellent noninvasive technique for evaluating segmental LV wall motion. It is least reliable in assessing the proximal inferior wall and interventricular septum.
对26例接受心导管检查的患者进行了平衡门控放射性核素心室造影检测左心室（LV）节段性室壁运动异常的能力研究。以电影格式回放的在右前斜30度和左前斜45度投照下获得的多次门控研究结果，与相应的左心室造影图进行了比较。两个投照角度下的左心室壁被分为8个节段。每个节段被分为正常、运动减弱、运动消失、运动障碍或不确定等级。门控图像中13%的节段为不确定；其中27个节段中的24个为下壁近端或远端节段。其余节段中86%的结果完全一致。放射性核素技术检测正常与任何异常室壁运动的敏感性为71%，特异性为99%。平衡门控心室造影是评估左心室节段性室壁运动的一种优秀的非侵入性技术。在评估下壁近端和室间隔时最不可靠。
