Journal of radiological science and technology (대한방사선기술학회지:방사선기술과학)

Korean Society of Radiological Science (대한방사선과학회)
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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

한국인 성인 남성의 흉부 방사선영상에서 자세와 연령에 따른 심장 크기 및 심흉비의 정상 범위와 변환율

  • 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)
  • 주영철 (삼성서울병원 영상의학과) ;
  • 임청환 (한서대학교 방사선학과) ;
  • 김연민 (원광보건대학교 방사선과) ;
  • 정홍량 (한서대학교 방사선학과) ;
  • 홍동희 (극동대학교 방사선학과)
  • Received : 2017.05.05
  • Accepted : 2017.06.01
  • Published : 2017.06.30
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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.

본 연구는 디지털 흉부 방사선 영상에서 한국인 성인 남성을 대상으로 자세(흉부 후-전과 전-후 촬영)와 연령에 따른 심장 크기 및 심흉비의 정상범위와 자세 및 연령 변화에 따른 상호 호환할 수 있는 변환율을 제시하고자 한다. 2014년 1월부터 12월까지 건강검진센터에서 같은 날에 흉부 후-전 촬영(chest PA)과 흉부 저선량 전산화단층촬영을 실시한 수진자 중 정상으로 판독된 1,300명에서 연구 목적에 적합한 남성 1,024명을 대상으로 하였다. 심장 크기(CS)와 심흉비(CTR) 측정은 Danzer의 방법을 이용하였다. 본 연구 결과, 한국 남성의 Chest PA 및 AP영상에서 CS와 CTR의 정상범위는 Chest PA의 경우 CS 135.48 mm, CTR 43.99％이었으며, Chest AP 영상에서 CS는 155.96 mm, CTR은 51.75％로 나타났다. CS와 CTR의 평균값 차이는 통계적으로 유의하였다(p<0.01). Chest PA와 AP영상에서 심장 좌 우측은 통계적으로 유의한 차이가 없었다(p>0.05). CS의 경우는 Chest PA(p>0.05)와 Chest AP(p<0.05)에서 통계적 유의성의 차이를 보였다. 흉곽크기와 CTR은 Chest PA와 AP 모두에서 연령변화에 따른 통계적으로 유의한 평균값의 차이를 보였다(p<0.01). 본 연구 결과 Chest PA보다 Chest AP영상에서 CS는 약 15%, CTR은 17% 확대되었고, 모든 연령에서 자세변화에 따른 CS와 CTR은 약 10%의 차이를 보였다.

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