2DGSTIforassessmentofleftventricularlongitudinalshrinkagefunctioninpatients withdifferentChildGPughgradeofcirrhosis / 实用放射学杂志

ABSTRACT

Objective ToMeasureofleftventricularregionalsystolicfunctioninpatientswithcirrhosisby2DGSTItechnology.To exploretheclinicalvalueofleftventricularsystolicfunctionindifferentChildGPughgradedlivercirrhosispatientsanditscorrelation withthedegreeoflivercirrhosis.Methods Toselecting60casesoflivercirrhosispatientsincirrhosisgroup.AccordingtotheChildGPugh classification,thepatientsinA,BandCgradesweredividedintoA,BandCgroups.Toselecting30outpatientswithphysicalexaminations, whoseageandgendermatchedwithcirrhosispatientsatthesameperiodasnormal/controlgroup.Measuredtheconventionalindexes, andanalysedtwoGdimensionaldynamicimagesoftwoGchamber,threeGchamber,fourGchamberviewofapical.Thedifferencesinstrain indexandrelatedparametersbetweenthecirrhosisgroupsandthenormalcontrolgroupwerecompared.Results (1)Betweenliver cirrhosisgroupandcontrolgroup,therewerestatisticaldifferencesinheartrate,interventricularseptumthicknessandleftventricular enddiastolicvolume(P＜0.05).leftventricularejectionfraction wassignificantlylowerintheChildCgroupthanintheChild A groupandtheChildBgroup(P＜0.05),andwassignificantlyhigherintheChildBgroupthanthecontrolgroup(P＜0.05).Withthe increaseofChildGPughscoreinlivercirrhosisgroup,interventricularseptumthickness,leftatrialanteroposteriordiameter,leftventricular enddiastolicdiameterandleftventricularenddiastolicvolumeweregraduallyincreasing.Therewerestatisticallysignificantdifferences betweensomegroups(P＜0.05);(2)Longitudinalsystolicpeakstrainofeachsegmentofleftventricularwallwasgenerallylowerin thelivercirrhosisgroupthanthecontrolgroup,andthestrainin bothgroupsshowedincreasingtrendfromthebasaltotheapical segments.There werestatisticallysignificantdifferences between partialsegment(P＜0.05);(3)WiththeincreaseofChildGPugh scoreincirrhosisgroup,longitudinalsystolicpeakstrainofthe leftventricularwallgraduallydecreased.ChildCgroupcomparedwithothergroups,theleftventricularlongitudinalstrainaverage valuedifferencewasstatisticallysignificant(P＜0.05).Therewerestatisticallysignificantdifferencesinpartialsegmentbetweenthe othergroups(P＜0.05).Conclusion (1)2DGSTItechnologycanbesensitiveandreliabletodetectsubGclinicalmyocardialregional systolicdysfunctioninpatientswithcirrhosis;(2)LeftventricularsystolicfunctionisnegativelycorrelatedwithChildGPughgradein patientswithlivercirrhosis.