本文關鍵詞：寶石能譜CT腎動脈造影中使用低劑量對比劑的可行性研究，由筆耕文化傳播整理發(fā)布。

揚州大學碩士學位論文 能圖圖像質(zhì)量評分差異有統(tǒng)計學意義 x2 7．436，P 0．024 。 差異均有統(tǒng)計學意義。與A組比，B組51keV單能圖左側腎動脈、右側腎動脈CT值分 異無統(tǒng)計學意義 x2 O．682，P 0．409 。 【結論】①寶石能譜CT行腎動脈CTA檢查時，，51keV的單能圖可改善圖像質(zhì)量。 減輕檢查者的經(jīng)濟負擔、降低對CIN潛在的風險。 【關鍵詞】體層攝影術，x線計算機，血管造影術，腎動脈 姜倫寶石能譜CT腎動脈造影中使用低劑量對比劑的可行性研究 3 一 Abstract ordertoreducethe riskof [Objective]In contrast-induced study potential nephropathy,this the oflowdosecontrastmediuminrenal CT investigatedfeasibility arteryangiographyusing CT． spectral [Methods]30volunteerswere dividedinto2 and therewere15 randomly groups AB ，and volunteersineach were6malesand9femalesin meanWas43．9 A，the group．There group age ±9．7 mean was63．O±9．0andthemeanBMlwas22．3±3．0 years，theweigh Kg Kg／m2．There were7malesand8femalesin meanwas44．8±10．3 mean B，the group age years，theweigh Was andthemeanBMIWas arterial volunteersunderwent 65．1±6．5Kg 22．6±2．1Kg／m2．All CT SCanSwitha dual and140 phasespectralimaging singletube，rapid kVp 80kVp kVp GSISCan Stuberotation switchingtechnique．Theparametersincluded：helical，0．8 time，40mm detector DFOV．Thenon-ioniccontrastmediaIohexol factor：O．985：1，35cm coverage，pitch with atarateof4．0ml second median 320mgl／m1 Wasinjectedpowerinjector per through cubitalveininthetwo doseof1．5 Wasusedin thedoseof0．8m groups．The ml／kg groupA，and Wasusedin B．Volunteersinthetwo weretreatedwith30mlsalineflush．The 1／kg group groups arterial were 5safterthe of aortareached100HUonthe phase triggered densitydescending scan． monitoring monochromaticsetWasselectedfor thebestCNR ①An for optimal image obtaining desce

  本文關鍵詞：寶石能譜CT腎動脈造影中使用低劑量對比劑的可行性研究，由筆耕文化傳播整理發(fā)布。