2020
Impact of Preoperative Lymphopenia on Survival Following Left Ventricular Assist Device Placement
Stawiarski K, Agboola O, Park J, Geirsson A, Jacoby D, Bellumkonda L, Ahmad T, Chou J, Lee F, Mangi A, Bonde P. Impact of Preoperative Lymphopenia on Survival Following Left Ventricular Assist Device Placement. ASAIO Journal 2020, 67: 650-657. PMID: 33074860, DOI: 10.1097/mat.0000000000001289.Peer-Reviewed Original ResearchConceptsAbsolute lymphocyte countCause mortalityLymphopenia groupLeft ventricular assist device patientsVentricular assist device patientsVentricular assist device placementCox proportional hazards modelImpact of lymphopeniaHeart failure populationKaplan-Meier plotsFurther clinical investigationProportional hazards modelLog-rank statisticsDurable LVADPreoperative lymphopeniaLVAD placementLymphocyte countLymphopenic patientsDevice patientsSingle centerPoor outcomePrognostic implicationsALC levelsFailure populationStudy populationEvaluation of Case Volumes of a Heart Transplant Program and Short-term Outcomes After Changes in the United Network for Organ Sharing Donor Heart Allocation System
Mori M, Wilson L, Ali A, Ahmad T, Anwer M, Jacoby D, Geirsson A, Krumholz HM. Evaluation of Case Volumes of a Heart Transplant Program and Short-term Outcomes After Changes in the United Network for Organ Sharing Donor Heart Allocation System. JAMA Network Open 2020, 3: e2017513. PMID: 32945877, PMCID: PMC7501535, DOI: 10.1001/jamanetworkopen.2020.17513.Peer-Reviewed Original ResearchConceptsYale-New Haven HospitalHeart transplant programShort-term outcomesHeart transplantHeart transplant volumeNew Haven HospitalDonor heartsPatient selectionRecipient selectionTransplant programsTransplant volumeWaiting listCase volumeDonor heart allocation systemPre-post cohort studyConservative patient selectionUnused donor heartsHeart allocation systemHigher median numberCirculatory assist devicesCohort studyPatient characteristicsMore patientsSingle centerCenter volumeBlood Conservation Strategy at Time of Left Ventricular Assist Device Placement Improves Survival
Stawiarski K, Agboola O, Park J, Mangi A, Geirsson A, Lee F, Jacoby D, Bellumkonda L, Ahmad T, Chou J, Testani J, Chen M, McCloskey G, Bonde P. Blood Conservation Strategy at Time of Left Ventricular Assist Device Placement Improves Survival. The Journal Of Heart And Lung Transplantation 2020, 39: s151. DOI: 10.1016/j.healun.2020.01.1086.Peer-Reviewed Original ResearchVentricular assist device placementBlood conservationLeft ventricular assist device placementBCS groupDevice placementAnti-platelet useLarger ventricular sizeLiberal transfusion strategyStandardized transfusion protocolTime of LVADLength of hospitalBlood conservation strategiesUnits of PRBCsLiberal groupCirculatory support devicesDevice use ratesExcessive transfusionICU stayTransfusion protocolCommon complicationHeart failureLVAD patientsTransfusion strategyTransfusion triggerSingle center
2019
LVAD Survival May Be Predicted by Preoperative Lymphopenia
Stawiarski K, Agboola O, Jacoby D, Bellumkonda L, Sugeng L, Ahmad T, Chen M, McCloskey G, Geirsson A, Anwar M, Bonde P. LVAD Survival May Be Predicted by Preoperative Lymphopenia. The Journal Of Heart And Lung Transplantation 2019, 38: s63-s64. DOI: 10.1016/j.healun.2019.01.142.Peer-Reviewed Original ResearchAbsolute lymphocyte countCause mortalityLVAD patientsImmune modulator therapyImpact of lymphopeniaImportant prognostic indicatorCells/μL.Kaplan-Meir plotsLog-rank statisticsPhysiologic stress responseLVAD survivalPreoperative lymphopeniaSplanchnic congestionCox modellingLymphocyte countLymphocyte levelsLymphopenic patientsUnadjusted survivalWorse survivalHeart failurePrognostic roleSerum sodiumSingle centerPatient groupLVAD therapyChloride Homeostasis in End Stage Heart Failure and LVAD Recipients
Stawiarski K, Agboola O, Jacoby D, Bellumkonda L, Ahmad T, Sugeng L, Chen M, McCloskey G, Geirsson A, Anwar M, Bonde P. Chloride Homeostasis in End Stage Heart Failure and LVAD Recipients. The Journal Of Heart And Lung Transplantation 2019, 38: s382-s383. DOI: 10.1016/j.healun.2019.01.974.Peer-Reviewed Original ResearchSerum chloride levelsChloride homeostasisLVAD patientsHeart failureLVAD therapyEnd-stage heart failureCardio-renal axisChronic heart failureStage heart failureChloride levelsLong-term survivalKaplan-Meir plotsLog-rank statisticsL riseCause mortalityLVAD recipientsWorse survivalSingle centerNeurohormonal responsesPrognostic implicationsPrognostic valueLVAD implantsRetrospective analysisGroup ACox model