經(jīng)頸靜脈肝內(nèi)門體分流術(shù)治療肝硬化伴食管胃靜脈曲張破裂出血患者術(shù)后生存預(yù)測模型的建立和驗證

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Abstract：ObjectiveToinvestigate theriskfactors forsurvival aftertransjugular intrahepaticportosystemicshunt（TPS）in patientswithlivercirrosisandesophagogastricvaricealbleeding（EGVB），andtoestablishapredictivemodelforsurvivalafter TIPS.MethodsClinicaldatawerecollctedfrom352patientswithlivercirhosisandEGVBwhounderwentTIPSinDepartment ofGastroenterologyAfiliatedDumTowerHospitalofNanjing UniversityMedicalSchool，fromJanuaryO15toDecember2018， and the patients were randomly divided into training group （ n=248 ）andvalidation group （ n=104 ）at a ratio of 7：3 . The Cox regresionanalysiswasusedtoidentifytheindependentriskfactorsforsurvivalafterTIPS，andanomogrampredictivemodelwas established.Theindexofconcordance（C-index）andthereceiveroperatingcharacteristic（ROC）curve wereusedtossesste discriminatoryabilityofthemodelandthecalibratiocurveasusedtossstepredictivevalueoftemodel.Teindepedent samples t testwasusedforcomparisonofnormallydistributedcontinuousdatabetween two groups，andtheWilcoxonrank-sumtestwas usedforcomparisonofnon-noalldisriutedcontiuousdatabetweetwgroups；thechisquaretestwasusedforcomparisonof categoricaldatabetweentwogroups.TeKaplan-Meieranalysiswasusedtocalculatecumulativesurvivalrate.ResultsFortepatints in the training group，the 1-，3-，and 5-year cumulative survival rates were 91.1 % 79.5% ，and 77.0% ，respectively. The multivariate Cox regression analysis showed that age （hazard ratio [HR]=1.047 ，95 % confidence interval ?CI?：1.032-1.092，P<0.001） ，MELD score （HR=1.127，95%CI： 1.003—1.268， P =0.045），and serum sodium（Na）（ HR =0.928， 95%CI： 0.878—0.981， P =0.008）were independentinfluencingfactorsforsurvival，andapredictivemodelandanomogramwereestablishedbasedonthesefactors.The predictivemodelhadaC-idexofO.76OinthetraininggroupandO.757inthevalidationgroup.Inthetraining groupthenomogamhad an area under the ROC curve of O.8O7，O.788，and O.787，respectively，in predicting 1-，3- ，and 5-year cumulative survival rates. The calibrationcureshowedrelativelyhighconsistencybetweetheresultspredictedbythenomogramandtheactualresultsConclusionA nomogrammodelisestablishedbasedonage，MELDscore，andNaforpredictingsurvivalafterTSinpatientswithliverciosisnd EGVB，and this model has good discriminatory ability and accuracy.

KeyWords：Liver Cirrosis；Esophagealand Gastric Varices；PortasystemicShunt，Transjugular Intraepatic；Prognosis; Nomograms

Research funding：National Natural ScienceFoundation ofChina（82370628）

門靜脈高壓癥是肝硬化的主要并發(fā)癥之一，包括腹水、肝性腦?。℉E）和出血。（剩余11389字）