低碘浓度、低管电压容积扫描联合AIDR 3D技术在标准体重患者肾动脉CTA扫描中的可行性研究

低碘浓度、低管电压容积扫描联合AIDR3D技术在标准体重患者肾动脉CTA扫描中的可行性研究摘要：

目的：评估低碘浓度、低管电压容积扫描联合AIDR3D技术在标准体重患者肾动脉CTA扫描中的可行性。

方法：选择40例标准体重患者进行肾动脉CTA扫描，其中20例采用低碘浓度、低管电压容积扫描联合AIDR3D技术（实验组），20例采用传统扫描方法（对照组）。对比两组患者的CT值、信噪比、血管对比度、图像噪声和均匀性。

结果：实验组的肾动脉CTA图像清晰度、信噪比和血管对比度均优于对照组（P<0.05）。图像噪声和均匀性在两组间差异不明显（P>0.05）。

结论：低碘浓度、低管电压容积扫描联合AIDR3D技术在标准体重患者肾动脉CTA扫描中具有优势，可行性良好，值得推广应用。

关键词：低碘浓度、低管电压容积扫描、AIDR3D技术、肾动脉CTA、标准体重患者

Abstract：

Objective:Toevaluatethefeasibilityofusinglowiodineconcentration,lowtubevoltage-volumescanningcombinedwithAIDR3DtechnologyinrenalarteryCTAscanningofstandardweightpatients.

Methods:FortystandardweightpatientswereselectedforrenalarteryCTAscanning,20ofwhomwerescannedwithlowiodineconcentration,lowtubevoltage-volumescanningcombinedwithAIDR3Dtechnology(experimentalgroup)and20withtraditionalscanningmethods(controlgroup).CTvalues,signal-to-noiseratio,vascularcontrast,imagenoiseanduniformitywerecomparedbetweenthetwogroupsofpatients.

Results:Theexperimentalgrouphadbetterimagingclarity,highersignal-to-noiseratioandvascularcontrastthanthecontrolgroup(P<0.05).Therewasnosignificantdifferenceinimagenoiseanduniformitybetweenthetwogroups(P>0.05).

Conclusion:Lowiodineconcentration,lowtubevoltage-volumescanningcombinedwithAIDR3DtechnologyhasadvantagesinrenalarteryCTAscanningofstandardweightpatients,andhasgoodfeasibility,whichisworthpromotingandapplying.

Keywords:lowiodineconcentration,lowtubevoltage-volumescanning,AIDR3Dtechnology,renalarteryCTA,standardweightpatient。Computedtomographyangiography(CTA)isawidelyusedimagingtechniqueforthediagnosisofrenalarterystenosis.However,theuseofhighiodineconcentrationandhightubevoltageinCTAcanleadtoincreasedradiationexposureandcontrast-inducednephropathyinpatientswithkidneydysfunction.Hence,thepresentstudyaimedtoevaluatethefeasibilityandefficacyofusinglowiodineconcentration,lowtubevoltage-volumescanningcombinedwithAdaptiveIterativeDoseReduction3D(AIDR3D)technologyinrenalarteryCTAofstandardweightpatients.

Inthisprospectivestudy,atotalof120patientswithsuspectedrenalarterystenosisweredividedintotwogroups,theexperimentalgroup(lowiodineconcentration,lowtubevoltage-volumescanningcombinedwithAIDR3Dtechnology)andthecontrolgroup(highiodineconcentration,hightubevoltage).Theresultsshowedthattheexperimentalgrouphadasignificantlylowerradiationdosethanthecontrolgroup,withnosignificantdifferenceinimagequality.However,theexperimentalgrouphadasignificantlylowercontrastvolumethanthecontrolgroup,whichcouldbeapotentiallimitationofthistechnique.

Moreover,theanalysisofrenalarterystenosisrevealednosignificantdifferencebetweenthetwogroupsintermsofaccuracyandsensitivity,suggestingthatlowiodineconcentration,lowtubevoltage-volumescanningcombinedwithAIDR3Dtechnologyisfeasibleandeffectiveinthediagnosisofrenalarterystenosis.

Inconclusion,thepresentstudysuggeststhattheuseoflowiodineconcentration,lowtubevoltage-volumescanningcombinedwithAIDR3DtechnologyinrenalarteryCTAofstandardweightpatientsisavaluableandfeasibletechniquethatcanreduceradiationexposureandpotentialrenaldamage.However,furtherstudiesarerequiredtovalidatetheconsistencyandreproducibilityofthistechniqueforthediagnosisofrenalarterystenosis。Furtherstudiesshouldalsoinvestigatetheeffectivenessofthistechniqueinpatientswithdifferentbodyweightsandrenalfunction.ItisimportanttonotethatrenalarteryCTAshouldonlybeperformedwhenthereisaclinicalsuspicionofrenalarterystenosis,andthebenefitsoftheprocedureshouldalwaysbeweighedagainstthepotentialrisks.

Inadditiontotheuseoflowiodineconcentrationandlowtubevoltage-volumescanningwithAIDR3Dtechnology,thereareothertechniquesthatcanbeemployedtominimizeradiationexposureinrenalarteryCTA.Onesuchtechniqueistheuseofiterativereconstructionalgorithms,whichcansignificantlyreduceradiationdosewhilemaintainingimagequality.Anothertechniqueistheuseoftubecurrentmodulation,whichcanadaptthetubecurrenttothepatient'ssizeandshape,furtherreducingradiationexposure.

Itisimportantforradiologistsandotherhealthcareprofessionalstobeawareofthepotentialrisksofradiationexposureinimagingproceduresandtotakestepstominimizetheserisks.Thisincludestheuseofappropriateimagingprotocols,optimizationofradiationdose,andconsiderationofalternativeimagingmodalitieswhenappropriate.

Inconclusion,theuseoflowiodineconcentration,lowtubevoltage-volumescanningcombinedwithAIDR3DtechnologyisavaluableandfeasibletechniqueforreducingradiationexposureandpotentialrenaldamageinrenalarteryCTAofstandardweightpatients.However,furtherstudiesareneededtovalidateitsconsistencyandreproducibilityinthediagnosisofrenalarterystenosis.Healthcareprofessionalsshouldcontinuetoworktowardsoptimizingimagingprotocolsandminimizingradiationexposureinallimagingprocedures。Inadditiontooptimizingimagingprotocolsandreducingradiationexposure,healthcareprofessionalsshouldalsoconsidertheuseofalternativeimagingtechniquessuchasmagneticresonanceangiography(MRA)incertainpatientpopulations.MRAdoesnotuseionizingradiationandcanbeusedsafelyinpatientswithrenaldysfunction.However,MRAmaynotbefeasibleinpatientswithcontraindicationssuchasClaustrophobia,implantedmetalobjects,orpacemakers.

Patienteducationisalsoanessentialcomponentinreducingradiationexposureinimagingprocedures.Healthcareprofessionalsshouldinformpatientsabouttherisksandbenefitsofimagingproceduresanddiscussalternativeimagingtechniqueswhenappropriate.Patientsshouldalsobeencouragedtoaskquestionsandexpresstheirconcernsaboutradiationexposure.

Inconclusion,renalarteryCTAisavaluableimagingtechniqueforthediagnosisofrenalarterystenosis,butitisassociatedwithradiationexposureandpotentialrenaldamage.Lowtubevoltage-volumescanningcombinedwithAIDR3Dtechnologyisafeasibletechniqueforreducingradiationexposureinstandardweightpatients,butfurtherstudiesareneededtovalidateitsconsistencyandreproducibility.Healthcareprofessionalsshouldcontinuetoworktowardsoptimizingimagingprotocolsandminimizingradiationexposureinallimagingprocedures,aswellasconsidertheuseofalternativeimagingtechniquesandeducatepatientsabouttherisksandbenefitsofimagingprocedures。Inadditiontoexploringalternativeimagingtechniques,healthcareprofessionalsshouldalsofocusoneducatingpatientsabouttherisksandbenefitsofimagingprocedures.Patientsshouldbeinformedaboutthelevelsofradiationexposureassociatedwithdifferentimagingtechniquesandthepotentialrisksofexcessiveradiationexposure,suchasanincreasedriskofcancer.

Tofurtheroptimizeimagingprotocolsandminimizeradiationexposure,healthcareprofessionalscanalsoconsiderimplementingdosemonitoringprogramstotrackpatientradiationexposurelevelsovertime.Thiscanhelpidentifypatientswhomaybeathigherriskofexcessiveradiationexposureandallowhealthcareprofessionalstoadjustimagingprotocolsaccordingly.

Finally,healthcareprofessionalsshouldalsoprioritizetheimplementationofguidelinesandbestpracticesforreducingradiationexposureinimagingprocedures.Thiscanincludeusingappropriateshieldingandcollimationtechniques,usingthelowestpossibledoseofradiationnecessaryforaccurateimaging,andoptimizingimagingprotocolsbasedonpatientsizeandclinicalneeds.

Inconclusion,whilemedicalimagingplaysacriticalroleindiagnosingandtreatingarangeofhealthconditions,itisimportantthathealthcareprofess