Chikos P M, Figley M M, Fisher L
AJR Am J Roentgenol. 1977 Mar;128(3):375-80. doi: 10.2214/ajr.128.3.375.
Ten radiologists at three levels of training visually assessed total heart and individual chamber size in 95 adults of both sexes with well defined cardiac diagnoses. Overall accuracy was highest for total heart size (82.2% correct), followed by left ventricular size, left atrial size and right heart size 79.6%, 75.0%, and 72.8%, respectively. Right heart and left atrial enlargement had a statistically significant negative effect on visual assessment of other chambers (P less than .05). Attempts to subclassify left ventricular enlargement into hypertrophy and hypertrophy and dilatation groups proved unsuccessful. While 63% of the hypertrophy group was detected as abnormal, only 24.3% were correctly subclassified as hypertrophy. For the hypertrophy and dilatation group, the corresponding values were 82% and 70%, respectively. Oblique views were useful in assessing left ventricular size only when inexperienced observers were included in the group of evaluators (P less than .05). A statistically significant improvement in assessment of normal left ventricular size and overall left atrial size was noted with experience (P less than .01 and P less than .05, respectively).
来自三个培训水平的十名放射科医生对95名患有明确心脏诊断的成年男女的全心及各个心腔大小进行了视觉评估。全心大小的总体准确率最高（82.2%正确），其次是左心室大小、左心房大小和右心大小，分别为79.6%、75.0%和72.8%。右心和左心房增大对其他心腔的视觉评估有统计学显著的负面影响（P小于0.05）。将左心室增大细分为肥厚组和肥厚并扩张组的尝试未成功。虽然肥厚组中63%被检测为异常，但只有24.3%被正确细分为肥厚。对于肥厚并扩张组，相应的值分别为82%和70%。仅当评估人员组中包括经验不足的观察者时，斜位视图才有助于评估左心室大小（P小于0.05）。随着经验的增加，正常左心室大小和总体左心房大小的评估有统计学显著改善（分别为P小于0.01和P小于0.05）。
