光谱CT联合低对比剂量个性化方案在下肢CTA中的应用研究
Application of spectral CT combined with a low-contrast dose personalized protocol in lower extremity CTA
LI Xin，HUANG Guangyi， YANG Peng， YANG Xuri，WU Ling，LU Xiaoling(Department of Medical Imaging，Nanxishan Hospital of GuangxiZhuang AutonomousRegion，Guilin541OO2，Guangxi，China)
【Abstract】ObjectiveTo explore thefeasibilityofreplacing theconventional dose protocol witha dual-layer detector spectral CT(DLCT)combinedwithalow-contrastdosepersonalized injection protocol inlower extremity CTangiography (CTA)，andtoevaluate its imagequalityMethodsA prospective，randomized，controlleddesign wasemployed inthis study，enrolling64patientswithclinicallysuspected lower extremityatherosclerosis from June2O23 toNovember 2024(2 patients were excluded，leavingafinal sampleof 62 patients).Theparticipantswererandomlydivided intocontrol group ( n=30 ......
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