国际放射医学核医学杂志
國際放射醫學覈醫學雜誌
국제방사의학핵의학잡지
INTERNATIONAL JOURNAL OF RADIATION MEDICINE AND NUCLEAR MEDICINE
2014年
3期
175-178
,共4页
心肌灌注显像%体层摄影术,发射型计算机,单光子%碲化镉锌%心脏专用相机
心肌灌註顯像%體層攝影術,髮射型計算機,單光子%碲化鎘鋅%心髒專用相機
심기관주현상%체층섭영술,발사형계산궤,단광자%제화력자%심장전용상궤
Myocardial perfusion imaging%Tomography,emission-computed,single-photon%Cadmium-zinc-telluride%Cardiac dedicated camera
在评估缺血性心脏病的无创性方法中,SPECT心肌灌注显像(MPI)是大家公认的显像方法,但MPI受到一些因素的影响,如组织不均一性导致的衰减、扫描时间长、辐射等。近年来出现的心脏专用碲化镉锌(CZT)相机越来越受到人们的广泛关注,该设备有先进的CZT探测器、采集方法及重建算法。心脏专用CZT相机的计数率、空间分辨率和能量分辨率较传统SPECT显著提高。该文就心脏专用CZT相机的相关临床应用进展进行综述。
在評估缺血性心髒病的無創性方法中,SPECT心肌灌註顯像(MPI)是大傢公認的顯像方法,但MPI受到一些因素的影響,如組織不均一性導緻的衰減、掃描時間長、輻射等。近年來齣現的心髒專用碲化鎘鋅(CZT)相機越來越受到人們的廣汎關註,該設備有先進的CZT探測器、採集方法及重建算法。心髒專用CZT相機的計數率、空間分辨率和能量分辨率較傳統SPECT顯著提高。該文就心髒專用CZT相機的相關臨床應用進展進行綜述。
재평고결혈성심장병적무창성방법중,SPECT심기관주현상(MPI)시대가공인적현상방법,단MPI수도일사인소적영향,여조직불균일성도치적쇠감、소묘시간장、복사등。근년래출현적심장전용제화력자(CZT)상궤월래월수도인문적엄범관주,해설비유선진적CZT탐측기、채집방법급중건산법。심장전용CZT상궤적계수솔、공간분변솔화능량분변솔교전통SPECT현저제고。해문취심장전용CZT상궤적상관림상응용진전진행종술。
Among non-invasive methods for the assessment of ischaemic heart disease, myocardial perfusion imaging (MPI) using SPECT tracers is firmly established and well-known by physician and pa-tients. However, MPI is still affected by several drawbacks such as attenuation due to non-uniform tissue, motion artefacts due to time-consuming scan and radiation exposure. The dedicated solid-state cardiac camera using cadmium zinc telluride(CZT) solid-state detectors emerged in recent years. The camera has gotten more and more attention. The camera has advanced CZT detector, acquisition and reconstruction method. The count rate, spatial resolution and energy resolution of the CZT SPECT have been enhanced significantly. This paper would review the clinical application progress of CZT SPECT.