Journal of the Korean Society of Radiology (한국방사선학회논문지)

The Korean Society of Radiology (한국방사선학회)
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A Study on Selection of Optimal Imaging Diagnostic Device for Cerebral Angiography: Focusing on MRA, CTA, and DSA Imaging Diagnosis Devices

뇌혈관 검사 시 최적의 영상 진단장치 선정에 관한 연구: MRA, CTA, DSA, 영상 진단장치 중심으로

  • Byun, Jung-Su (Department of Radiological Science, Cheongju University) ;
  • Goo, Eun-Hoe (Department of Radiological Science, Cheongju University)
  • 변정수 (청주대학교 방사선학과) ;
  • 구은회 (청주대학교 방사선학과)
  • Received : 2017.10.16
  • Accepted : 2017.12.31
  • Published : 2017.12.31
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Abstract

The objective of this study was to find the optimum test device for the cerebral blood vessels by comparing and analyzing the SNR and CNR methods for images of three devices (i.e., MRA, CTA, and DSA). The study targeted 90 patients who underwent cerebral angiography from November 2016 to May 2017. The measuring parts were measured by using Rt MCA, Lt MCA, and ACA Image J. The results of quantitative analysis showed that the mean SNR of MRA, the CNR of MRA, the signal strength of MRA, the mean SNR of CTA, the CNR of CTA, the signal strength of CTA, the SNR of DSA, the CNR of DSA, and the signal strength of DSA were evaluated as 254.87, 178.13, 326.81, 74.75, 62.2, 356.66, 26.85, 25.89, and 4400.69, respectively (p<0.05). As a result, both SNR and CNR methods measured it in the order of MRA>CTA>DSA. Statistical significance was determined by using ANOVA analysis at p<0.05 and Bonferroni method was used as a post-hoc analysis SPSS. In conclusion, the results of this study revealed that the optimum imaging devices were MRA, CTA, and DSA after evaluating randomly selected patients with cerebrovascular disease.

뇌혈관을 관찰할 수 있는 영상 진단장치 중 MRA, CTA, DSA 3장비 영상에 관한 SNR과 CNR을 비교, 분석하여 뇌혈관 검사 시 최적의 검사기기를 알아보고자 하였다. 2016년 11월부터 2017년 5월까지 뇌혈관 진단 검사를 받은 환자 90명을 대상으로 하였고, 측정부위는 Rt MCA, Lt MCA, ACA Image J를 이용하여 측정 하였다. 정량적 분석 결과 MRA의 평균 SNR은 254.87 CNR은 178.13, 신호강도는 326.81, CTA의 평균 SNR은 74.75, CNR은 62.2, 신호강도는 356.66, DSA의 SNR은 26.85, CNR은 25.89, 신호강도는 4400.69로 평가되었다(p<0.05). 결과적으로 SNR과 CNR 모두에서 MRA>CTA>DSA 순으로 측정 되었다. 유의성 평가 방법으로 SPSS 통계 분석 프로그램을 이용하여 ANOVA 분석을 하였고, 사후분석으로 bonferroni method를 사용하여 p<0.05 일 때 유의한 것으로 판단하였다. 결론적으로 본 실험에서 뇌혈관 질환 환자를 무작위로 선정하여 평가하였을 때 최적의 영상진단 장비로 MRA, CTA, DSA의 결과를 얻었다.

Keywords

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