The Korean Journal of Nuclear Medicine Technology (핵의학기술)
- Volume 16 Issue 1
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- Pages.62-69
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- 2012
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- 1229-9901(pISSN)
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- 2982-8406(eISSN)
Usefulness of Posture Change to Prevent Overlapping of Heart and Other Organs in Myocardial Perfusion SPECT using $^{99m}Tc$ Labeled Compound
$^{99m}Tc$ 표지화합물을 사용한 심근 관류 SPECT 검사에서 심장과 타 장기와의 중첩 방지를 위한 자세 변화의 유용성
- Lee, Dong-Hyuk (Department of Nuclear Medicine, Severance Hospital, Yonsei University Health System) ;
- Oh, Shin-Hyun (Department of Nuclear Medicine, Severance Hospital, Yonsei University Health System) ;
- Jeong, Seok (Department of Nuclear Medicine, Severance Hospital, Yonsei University Health System) ;
- Jo, Seok-Won (Department of Nuclear Medicine, Severance Hospital, Yonsei University Health System) ;
- NamKoong, Hyuk (Department of Nuclear Medicine, Severance Hospital, Yonsei University Health System) ;
- Kim, Jae-Sam (Department of Nuclear Medicine, Severance Hospital, Yonsei University Health System) ;
- Lee, Chang-Ho (Department of Nuclear Medicine, Severance Hospital, Yonsei University Health System)
- 이동혁 (연세의료원 세브란스병원 핵의학과) ;
- 오신현 (연세의료원 세브란스병원 핵의학과) ;
- 정석 (연세의료원 세브란스병원 핵의학과) ;
- 조석원 (연세의료원 세브란스병원 핵의학과) ;
- 남궁혁 (연세의료원 세브란스병원 핵의학과) ;
- 김재삼 (연세의료원 세브란스병원 핵의학과) ;
- 이창호 (연세의료원 세브란스병원 핵의학과)
- Received : 2012.02.24
- Accepted : 2012.04.06
- Published : 2012.04.28
Abstract
Purpose: The present study has an objective of effectively separating and making observations on a portion of radiopharmaceutical excreted via digestive organ to remain in the organ and invade a heart shadow. Materials and methods: When heart shadow is blocked by the organ in tests during a resting phase and a loaded phase, additional images were obtained using immobilization device. The immobilization devices were used to tilt the upper body forward from supine position. Results: In the reconstructed image for the separated case, as compared with the case where a part of organ is overlapped with heart, in terms of an overall mean value for each parameter, the end-diastolic volume increased by 2.75 mL, the end-systolic volume decreased by 3.16 mL, the left ventricle cardiac coefficient increased by 3.58%, and the area of defect region decreased by 3.58 and 3.92 cm for loading and resting phase, respectively. Conclusions: In the present study with myocardial perfusion SPECT, overlapped areas of heart and other organs could be effectively separated and visualization by the use of an immobilization device.
게이트 심근 관류 SPECT는 심근관류를 평가하고 관상동맥질환을 진단하는 비침습적인 방법으로 매우 가치가 있는 검사이다.