2020
A Data-Driven Approach to Defining the Volume-Outcome Relationship in Lung Transplantation
Godfrey E, Frankel W, Rana A, Liao K, Loor G, Suarez E. A Data-Driven Approach to Defining the Volume-Outcome Relationship in Lung Transplantation. The Journal Of Heart And Lung Transplantation 2020, 39: s364. DOI: 10.1016/j.healun.2020.01.445.Peer-Reviewed Original ResearchHigh-volume centersStratum-specific likelihood ratiosLung transplantationVolume centersVolume strataLung transplant centersOrgan Sharing databaseExtended criteria donorsVolume-outcome relationshipEx vivo perfusionMajority of transplantsLTx casesLTx centersLung transplantIschemic timeFinal cohortOlder recipientsPrimary outcomeSharing databaseSubstantial morbidityTransplant centersRecipient outcomesYear mortalityPatient survivalUnited NetworkData-Driven Volume Thresholds Predictive of Improved Outcomes after Orthotopic Heart Transplantation
Frankel W, Godfrey E, Suarez E, Rana A, Shafii A, Loor G, Liao K. Data-Driven Volume Thresholds Predictive of Improved Outcomes after Orthotopic Heart Transplantation. The Journal Of Heart And Lung Transplantation 2020, 39: s363. DOI: 10.1016/j.healun.2020.01.441.Peer-Reviewed Original ResearchOrthotopic heart transplantationHigh-volume centersStratum-specific likelihood ratio (SSLR) analysisVolume centersHeart transplantationVolume strataImproved outcomesIntra-aortic balloon pumpImproved early outcomePost-transplant dialysisOrgan Sharing databaseLow-volume centersYears of ageLow-volume counterpartsComplex surgical careHalf of recipientsOHT casesPreoperative characteristicsPostoperative outcomesBalloon pumpFinal cohortPrimary outcomeSharing databaseMedication usageEarly mortality
2018
Perioperative Risk Profiles and Volume-Outcome Relationships in Proximal Thoracic Aortic Surgery
Mori M, Shioda K, Wang X, Mangi AA, Yun JJ, Darr U, Elefteriades JA, Geirsson A. Perioperative Risk Profiles and Volume-Outcome Relationships in Proximal Thoracic Aortic Surgery. The Annals Of Thoracic Surgery 2018, 106: 1095-1104. PMID: 29969620, DOI: 10.1016/j.athoracsur.2018.05.081.Peer-Reviewed Original ResearchConceptsAortic surgical proceduresOperative mortalityPatient risk profileVolume-outcome relationshipAortic aneurysmRisk profileElective casesVolume strataSurgical proceduresMortality rateLow operative mortality rateProximal thoracic aortic surgeryLogistic regressionAnnual center volumePerioperative risk profileHigh operative mortalityOperative mortality rateThoracic aortic surgeryRisk of mortalityAnnual case volumeMultiple logistic regressionObserved mortality rateAortic surgeryBaseline characteristicsCenter volume
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