Donor risk index and organ patient index as predictors of graft survival after liver transplantation. 2008

A W Avolio, and M Siciliano, and R Barbarino, and E Nure, and B E Annicchiarico, and A Gasbarrini, and S Agnes, and M Castagneto
Department of Surgery, Transplantation Service, Catholic University, A. Gemelli Hospital, Rome, Italy. alfonso.avolio@rm.unicatt.it

In liver transplantation the identification of risk factors and the risk quantification for each single case represent a field of great interest. There are donor-related and recipient-related risk factors. Donor risk index (DRI) was retrospectively calculated in 223 liver transplant cases. We did not include patients with preoperative diagnosis of hepatocarcinoma and retransplants. The cases were stratified into two classes according to the DRI (low risk, DRI<1.7, and high risk, DRI >or= 1.7). A new index, namely the organ patient index (OPI) was calculated adding the Model for End-stage Liver Disease (MELD) score to the DRI. Patients were stratified into two classes according to the OPI (low risk, OPI <or= 2.85, and high risk, OPI>2.85). The cases with low DRI (n=144) showed better survival than the cases with high DRI (n=82; P< .02). The cases with low OPI (n=173) showed better survival than cases with high OPI (n=50; P< .01). The OPI predicted outcomes better than DRI, increasing the gap in the long-term graft survival between the low- and the high-risk class. The inclusion of the MELD in the new index allowed better prediction of graft survival.

UI MeSH Term Description Entries
D011237 Predictive Value of Tests In screening and diagnostic tests, the probability that a person with a positive test is a true positive (i.e., has the disease), is referred to as the predictive value of a positive test; whereas, the predictive value of a negative test is the probability that the person with a negative test does not have the disease. Predictive value is related to the sensitivity and specificity of the test. Negative Predictive Value,Positive Predictive Value,Predictive Value Of Test,Predictive Values Of Tests,Negative Predictive Values,Positive Predictive Values,Predictive Value, Negative,Predictive Value, Positive
D006085 Graft Survival The survival of a graft in a host, the factors responsible for the survival and the changes occurring within the graft during growth in the host. Graft Survivals,Survival, Graft,Survivals, Graft
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D014019 Tissue Donors Individuals supplying living tissue, organs, cells, blood or blood components for transfer or transplantation to histocompatible recipients. Organ Donors,Donors,Ovum Donors,Semen Donors,Transplant Donors,Donor,Donor, Organ,Donor, Ovum,Donor, Semen,Donor, Tissue,Donor, Transplant,Donors, Organ,Donors, Ovum,Donors, Semen,Donors, Tissue,Donors, Transplant,Organ Donor,Ovum Donor,Semen Donor,Tissue Donor,Transplant Donor
D016031 Liver Transplantation The transference of a part of or an entire liver from one human or animal to another. Grafting, Liver,Hepatic Transplantation,Liver Transplant,Transplantation, Hepatic,Transplantation, Liver,Hepatic Transplantations,Liver Grafting,Liver Transplantations,Liver Transplants,Transplant, Liver
D018570 Risk Assessment The qualitative or quantitative estimation of the likelihood of adverse effects that may result from exposure to specified health hazards or from the absence of beneficial influences. (Last, Dictionary of Epidemiology, 1988) Assessment, Risk,Benefit-Risk Assessment,Risk Analysis,Risk-Benefit Assessment,Health Risk Assessment,Risks and Benefits,Analysis, Risk,Assessment, Benefit-Risk,Assessment, Health Risk,Assessment, Risk-Benefit,Benefit Risk Assessment,Benefit-Risk Assessments,Benefits and Risks,Health Risk Assessments,Risk Analyses,Risk Assessment, Health,Risk Assessments,Risk Benefit Assessment,Risk-Benefit Assessments
D018579 Patient Selection Criteria and standards used for the determination of the appropriateness of the inclusion of patients with specific conditions in proposed treatment plans and the criteria used for the inclusion of subjects in various clinical trials and other research protocols. Patient Recruitment,Research Subject Recruitment,Selection Criteria,Research Subject Selection,Selection for Treatment,Selection of Research Volunteers,Selection of Subjects,Criteria, Selection,Recruitment, Patient,Recruitment, Research Subject,Recruitments, Research Subject,Research Subject Recruitments,Research Subject Selections,Research Volunteers Selection,Research Volunteers Selections,Selection for Treatments,Selection, Patient,Selection, Research Subject,Selections, Research Subject,Subject Recruitment, Research,Subject Recruitments, Research,Subject Selection, Research,Subject Selections, Research,Subjects Selection,Subjects Selections,Treatment, Selection for,Treatments, Selection for,Volunteers Selection, Research

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