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http://dx.doi.org/10.17946/JRST.2017.40.2.01

Rate of Transformation and Normal Range about Cardiac Size and Cardiothoracic Ratio According to Patient Position and Age at Chest Radiography of Korean Adult Man  

Joo, Young-Cheol (Department of Radiology, Samsung Medical Center)
Lim, Cheong-Hwan (Department of Radiological Science, Hanseo University)
Kim, Yun-Min (Department of Radiotechnology, Wonkwang Health Science University)
Jung, Hong-Ryang (Department of Radiological Science, Hanseo University)
Hong, Dong-Hee (Department of Radiological Science, Far East University)
Publication Information
Journal of radiological science and technology / v.40, no.2, 2017 , pp. 179-186 More about this Journal
Abstract
Purpose of this study is present the normal range of cardiac size and cardiothoracic ratio according to patient position(chest PA and AP) and age of Korean adult male on digital chest X - ray, And to propose a mutually compatible conversion rate. 1,024 males were eligible for this study, among 1,300 normal chest patients who underwent chest PA and low-dose CT examinations on the same day at the 'S' Hospital Health Examination Center in Seoul From January to December 2014. CS and CTR were measured by Danzer (1919). The mean difference between CS and CTR was statistically significant (p<0.01) in Chest PA (CS 135.48 mm, CTR 43.99%) and Chest AP image (CS 155.96 mm, CTR 51.75%). There was no statistically significant difference between left and right heart in chest PA and AP images (p>0.05). CS showed statistically significant difference between Chest PA (p>0. 05) and Chest AP (p<0.05). The thorax size and CTR were statistically significant (p<0.01) in both age and chest PA and AP. Result of this study, On Chest AP image CS was magnified 15%, CTR was magnified 17% compare with Chest PA image. CS and CTR were about 10% difference by changing posture at all ages.
Keywords
Digital radiograph system; Chest PA; Chest AP; Cardiac size; Cardiothoracic ratio;
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