2025
Multiphysics Simulations of a Bioprinted Pulsatile Fontan Conduit.
Hu Z, Herrmann J, Schwarz E, Gerosa F, Emuna N, Humphrey J, Feinberg A, Hsia T, Skylar-Scott M, Marsden A. Multiphysics Simulations of a Bioprinted Pulsatile Fontan Conduit. Journal Of Biomechanical Engineering 2025, 147 PMID: 40172060, DOI: 10.1115/1.4068319.Peer-Reviewed Original ResearchConceptsSuperior vena cavaInferior vena cavaIncreased cardiac outputCardiac outputVena cavaElevated central venous pressureConduit performanceCongenital heart patientsCentral venous pressureDiminished cardiac outputFluid-structure interactionMultiphysics computational frameworkFontan surgeryFontan circulationFontan physiologyFontan conduitPalliative procedureLumped parameter networkPulmonary arteryCardiomyocyte contractilityValve placementMyocardial contractilityVenous pressureFontanVenous circulationThe Human Proximal Pulmonary Artery Plays a Critical Role in Regulating Cardiopulmonary Function in Health and Disease
Manning E, Lee S, Ashadujjaman M, De Man R, Cai Z, Adams T, Raredon M, Ramachandra A, Cavinato C, Heerdt P, Singh I, Choudhary G, Yan X, Bellini C, Tellides G, Humphrey J, Kaminski N. The Human Proximal Pulmonary Artery Plays a Critical Role in Regulating Cardiopulmonary Function in Health and Disease. American Journal Of Respiratory And Critical Care Medicine 2025, 211: a2891-a2891. DOI: 10.1164/ajrccm.2025.211.abstracts.a2891.Peer-Reviewed Original ResearchNovel Hemodynamic Markers and Kidney Function in Patients with Acute Decompensated Heart Failure
Tuttle M, Banlengchit R, Tighiouart H, Testani J, Moises A, Oka T, Ferguson K, Sarnak H, Harding C, Kiernan M, Sarnak M, McCallum W. Novel Hemodynamic Markers and Kidney Function in Patients with Acute Decompensated Heart Failure. Kidney360 2025, 6: 728-738. PMID: 40440457, PMCID: PMC12136642, DOI: 10.34067/kid.0000000703.Peer-Reviewed Original ResearchPulmonary artery pulsatility indexAcute decompensated heart failureAortic pulsatility indexDecompensated heart failureBaseline eGFREGFR slopePulmonary arteryPulsatility indexHeart failureLower pulmonary artery pulsatility indexKidney functionPatients admitted with acute decompensated heart failureMedian follow-up timeMultivariate Cox proportional hazards modelHemodynamic markersArtery pulsatility indexRisk of dialysisFollow-up timeLeft ventricular functionFollow-up periodCox proportional hazards modelsAssociated with higher hazardsProportional hazards modelUnique patient admissionsQuaternary medical center
2024
Mechanical clot disruption during pulmonary thromboembolectomy is safe: A propensity score-matched analysis
Thomas S, Deshmukh A, Mojibian H, Marino A, Lozada J, Cornman-Homonoff J. Mechanical clot disruption during pulmonary thromboembolectomy is safe: A propensity score-matched analysis. Clinical Imaging 2024, 118: 110381. PMID: 39637758, DOI: 10.1016/j.clinimag.2024.110381.Peer-Reviewed Original ResearchPulmonary thromboembolectomyPulmonary emboliPulmonary arteryRight pulmonary arteryLeft pulmonary arteryPulmonary artery pressureAdministration of anticoagulantsDuration of hospitalizationMechanical clot disruptionPropensity-score matchingSPESI scorePulmonary vasculatureArterial pressureClinical effectsOrganized thrombusThromboembolectomyPropensity-scoreClot disruptionInclusion criteriaPatientsMortality rateRisk categoriesCompare groupsStudy periodArteryRight Ventricular Pressure Waveform Analysis—Clinical Relevance and Future Directions
Heerdt P, Kheyfets V, Oakland H, Joseph P, Singh I. Right Ventricular Pressure Waveform Analysis—Clinical Relevance and Future Directions. Journal Of Cardiothoracic And Vascular Anesthesia 2024, 38: 2433-2445. PMID: 39025682, PMCID: PMC11580041, DOI: 10.1053/j.jvca.2024.06.022.Peer-Reviewed Original ResearchRight ventricular pressureRight ventricular functionVentricular pressureVentricular functionMeasuring right ventricular pressureMeasurements of right ventricular pressurePeak right ventricular pressurePulmonary artery pressureEvaluate cardiac functionPulmonary arteryStroke volume measurementsRight atriumCardiac functionDiastolic fillingSurgical patientsArterial pressureClinical valueDemonstrating utilityVolume measurementsMeasurements of pressurePressure waveformAccurate surrogateContinuous measurement of pressurePhysiological factorsEchocardiographyStiffening of the human proximal pulmonary artery with increasing age
Manning E, Mishall P, Ramachandra A, Hassab A, Lamy J, Peters D, Murphy T, Heerdt P, Singh I, Downie S, Choudhary G, Tellides G, Humphrey J. Stiffening of the human proximal pulmonary artery with increasing age. Physiological Reports 2024, 12: e16090. PMID: 38884325, PMCID: PMC11181131, DOI: 10.14814/phy2.16090.Peer-Reviewed Original ResearchConceptsProximal pulmonary arteriesPulmonary arteryAge-related stiffeningRight ventricular ejection fractionVentricular ejection fractionMean wall thicknessEjection fractionNo significant differenceSystemic circulationLuminal caliberDiffusing capacityArterial stiffeningIncreasing ageSignificant differenceDistensionArteryWall thicknessAdverse effectsWall strainVessel diameterCyclic biaxial strainOrgan donorsAgeMicrostructural remodelingPulmonary Angiography: Arteriovenous Malformation and Pseudoaneurysm
Luhar A, Pollak J. Pulmonary Angiography: Arteriovenous Malformation and Pseudoaneurysm. 2024, 311-324. DOI: 10.1007/978-3-031-52546-9_25.Peer-Reviewed Original ResearchPulmonary arteriovenous malformationsRight-to-left shuntHereditary hemorrhagic telangiectasiaTransient ischemic attackChest painSize of pulmonary arteriovenous malformationsAssociated with hereditary hemorrhagic telangiectasiaDegree of right-to-left shuntingTreatment of pulmonary arteriovenous malformationsAssociated with paradoxical emboliIntrapulmonary right-to-left shuntFeeding artery diameterPulmonary artery pseudoaneurysmLocal mass effectBrain abscessPeripheral emboliIntrapulmonary hemorrhageArteriovenous malformationsHemorrhagic telangiectasiaSymptomatic hypoxemiaPulmonary arterySerious complicationsEndovascular treatmentArtery pseudoaneurysmParadoxical emboliRemodeling of Murine Branch Pulmonary Arteries Under Chronic Hypoxia and Short-Term Normoxic Recovery.
Ramachandra A, Jiang B, Jennings I, Manning E, Humphrey J. Remodeling of Murine Branch Pulmonary Arteries Under Chronic Hypoxia and Short-Term Normoxic Recovery. Journal Of Biomechanical Engineering 2024, 146 PMID: 38421341, DOI: 10.1115/1.4064967.Peer-Reviewed Original ResearchWeeks of hypoxiaBranch pulmonary arteriesWeeks of normoxic recoveryPulmonary arteryEndothelial cell responsesSmooth muscleChronic hypoxiaNormoxic recoveryPulmonary arterial remodelingCell responsesProximal pulmonary arteriesLongitudinal changesHypoxia-induced changesC57BL/6J micePulmonary pathologyThin collagen fibersArterial remodelingBiaxial mechanicsCircumferential stressEnergy storageNormal valuesHypoxiaWeeksVascular adaptationFraction of cytoplasmA Systematic Comparison of Normal Structure and Function of the Greater Thoracic Vessels
Ramachandra A, Cavinato C, Humphrey J. A Systematic Comparison of Normal Structure and Function of the Greater Thoracic Vessels. Annals Of Biomedical Engineering 2024, 52: 958-966. PMID: 38227167, DOI: 10.1007/s10439-023-03432-6.Peer-Reviewed Original ResearchThoracic vesselsVena cavaThoracic aortaCongenital heart surgeryRight pulmonary arterySuperior vena cavaInferior vena cavaRight subclavian arteryThoracic inferior vena cavaWild-type miceAscending thoracic aortaDescending thoracic aortaPulmonary arterySubclavian arteryHeart surgerySurgical interventionVasoactive responsesVenous circulationThoracicCavaNormal structureAortaArteryBiomechanical propertiesVascular system
2023
Pulmonary artery wave intensity analysis in a pig model of lung resection
KEAST T, GLASS A, MCCALL P, SHELLEY B, HEERDT P. Pulmonary artery wave intensity analysis in a pig model of lung resection. Journal Of Cardiothoracic And Vascular Anesthesia 2023, 37: 9-10. DOI: 10.1053/j.jvca.2023.08.023.Peer-Reviewed Original ResearchForward compression waveBackward compression waveWave intensity analysisControl subjectsLung resectionPulmonary arteryPig modelSystolic timeCardiovascular MRIInvasive haemodynamic dataPulmonary artery pressureRight ventricular functionProximal pulmonary arteriesMain pulmonary arteryPost-operative patientsRight ventricular contractionWave reflection indicesMann-Whitney testIncreased afterloadLabChart softwareArtery pressureHaemodynamic effectsRV functionUpper lobectomyVentricular functionAge-related Changes in Structure, Function, and Transcriptomics of the Human Proximal Pulmonary Artery
Manning E, Ramachandra A, Cavinato C, Schupp J, Justet A, Lee P, Heerdt P, Singh I, Murphy T, Gill T, Tellides G, Kaminski N, Humphrey J. Age-related Changes in Structure, Function, and Transcriptomics of the Human Proximal Pulmonary Artery. 2023, a4656-a4656. DOI: 10.1164/ajrccm-conference.2023.207.1_meetingabstracts.a4656.Peer-Reviewed Original ResearchPulmonary Hypertension-related Changes in Structure and Function of the Human Proximal Pulmonary Artery
Manning E, Ramachandra A, Cavinato C, Lee P, Heerdt P, Singh I, Tellides G, Kaminski N, Humphrey J. Pulmonary Hypertension-related Changes in Structure and Function of the Human Proximal Pulmonary Artery. 2023, a6133-a6133. DOI: 10.1164/ajrccm-conference.2023.207.1_meetingabstracts.a6133.Peer-Reviewed Original Research
2022
Vascular pathobiology of pulmonary hypertension
Gallardo-Vara E, Ntokou A, Dave J, Jovin D, Saddouk F, Greif D. Vascular pathobiology of pulmonary hypertension. The Journal Of Heart And Lung Transplantation 2022, 42: 544-552. PMID: 36604291, PMCID: PMC10121751, DOI: 10.1016/j.healun.2022.12.012.Peer-Reviewed Original ResearchConceptsPulmonary hypertensionCell typesSmooth muscle cell proliferationEndothelial cell dysfunctionMuscle cell proliferationKruppel-like factor 4Extracellular matrix remodelingHypoxia-inducible factorBox proteinBlood pressurePulmonary arteryInflammatory cellsPulmonary vasculatureMain cell typesVascular pathogenesisVasoactive moleculesCell dysfunctionClinical impactVascular pathobiologyPathological remodelingIntercellular crosstalkLethal diseaseMesenchymal transitionMatrix remodelingGrowth factorDiseases of the pulmonary arteries: imaging appearances and pearls
Cortopassi IO, Gosangi B, Asch D, Bader AS, Gange CP, Rubinowitz AN. Diseases of the pulmonary arteries: imaging appearances and pearls. Clinical Imaging 2022, 91: 111-125. PMID: 36067656, DOI: 10.1016/j.clinimag.2022.08.018.Peer-Reviewed Educational MaterialsConceptsContrast-enhanced chest CTChest X-rayPulmonary arteryEnlarged pulmonary arteryPulmonary vascular pathologyPulmonary artery anatomyEveryday clinical practiceAsymptomatic patientsImaging findingsPulmonary vasculatureArtery anatomyChest CTUrgent treatmentMediastinal structuresVascular pathologyArteryClinical practicePhysiologic dataEntire thoraxVessel wallPatientsDetailed evaluationPathologyWide spectrumQuantification of flowCompromised Cardiopulmonary Function in Fibulin-5 Deficient Mice.
Ramachandra AB, Mikush N, Sauler M, Humphrey JD, Manning EP. Compromised Cardiopulmonary Function in Fibulin-5 Deficient Mice. Journal Of Biomechanical Engineering 2022, 144 PMID: 35171214, PMCID: PMC8990734, DOI: 10.1115/1.4053873.Peer-Reviewed Original ResearchConceptsRight heart functionDeficient micePulmonary arteryHeart functionCompromised right ventricular functionFibulin-5 deficient micePulmonary arterial structureRight ventricular functionVentilation-perfusion relationshipsElastic fiber contentElastic fibersFiber dysfunctionLung compliancePulmonary healthVentricular functionCardiopulmonary functionAlveolar disruptionPulmonary pathologyLung parenchymaMurine modelMouse modelArterial structureHistological quantificationElastic laminaRight circulationSex differences and altered mitophagy in experimental pulmonary hypertension
Bazan IS, Kim SJ, Ardito TA, Zhang Y, Shan P, Sauler M, Lee P. Sex differences and altered mitophagy in experimental pulmonary hypertension. American Journal Of Physiology - Lung Cellular And Molecular Physiology 2022, 322: l761-l769. PMID: 35137625, PMCID: PMC9076415, DOI: 10.1152/ajplung.00019.2020.Peer-Reviewed Original ResearchConceptsPulmonary hypertensionPathogenesis of PHFemale-predominant diseaseRight heart failurePulmonary arterial pressureExperimental pulmonary hypertensionMitochondrial dysfunctionLung endothelial cellsSex differencesMouse lung endothelial cellsInhibition of ParkinArterial pressureHeart failurePulmonary arteryMitochondrial respiratory capacityPoor outcomeHigh prevalenceSevere diseaseAnimal modelsEndothelial cellsParkin expressionOxidative stressCell proliferationHypertensionSexCharacterization of pulmonary vascular remodeling and MicroRNA-126-targets in COPD-pulmonary hypertension
Goel K, Egersdorf N, Gill A, Cao D, Collum S, Jyothula S, Huang H, Sauler M, Lee P, Majka S, Karmouty-Quintana H, Petrache I. Characterization of pulmonary vascular remodeling and MicroRNA-126-targets in COPD-pulmonary hypertension. Respiratory Research 2022, 23: 349. PMID: 36522710, PMCID: PMC9756782, DOI: 10.1186/s12931-022-02267-4.Peer-Reviewed Original ResearchConceptsSmall pulmonary arteriesChronic cigarette smokingPulmonary vascular remodelingPulmonary hypertensionPulmonary arteryLung microvasculatureVascular remodelingEndothelial cellsCOPD-PHMiR126 expressionChronic obstructive pulmonary disease patientsObstructive pulmonary disease patientsCOPD pulmonary hypertensionPulmonary artery sizePulmonary artery remodelingPulmonary disease patientsPulmonary vascular bedPulmonary arterial wallEndothelial cell marker CD31Microvascular endothelial cellsEndothelial cell markersVessel endothelial cellsNon-COPD lungsLarge vessel endothelial cellsArtery remodeling
2021
Prognostic Significance of Pulmonary Artery to Aorta Ratio and Other CT Markers in Pulmonary Fibrosis With and Without Emphysema
Zeba F, Yanning W, Melek J, Duan F, Atalay M, Jankowich M, Rounds S. Prognostic Significance of Pulmonary Artery to Aorta Ratio and Other CT Markers in Pulmonary Fibrosis With and Without Emphysema. Lung 2021, 199: 677-680. PMID: 34741227, DOI: 10.1007/s00408-021-00490-2.Peer-Reviewed Original ResearchConceptsPulmonary hypertensionPulmonary fibrosisMain pulmonary artery diameterSingle-center retrospective studyAortic diameter ratioCombined pulmonary fibrosisPulmonary artery diameterAorta ratioEchocardiographic diagnosisPulmonary arteryArtery diameterPrognostic significanceRetrospective studyPatient populationCardiac remodelingFibrosisEmphysemaCT markersSpecific markersAA ratioDiameter/MarkersSurvivalHypertensionPatientsMechanisms of Hypoxia-Induced Pulmonary Arterial Stiffening in Mice Revealed by a Functional Genetics Assay of Structural, Functional, and Transcriptomic Data
Manning EP, Ramachandra AB, Schupp JC, Cavinato C, Raredon MSB, Bärnthaler T, Cosme C, Singh I, Tellides G, Kaminski N, Humphrey JD. Mechanisms of Hypoxia-Induced Pulmonary Arterial Stiffening in Mice Revealed by a Functional Genetics Assay of Structural, Functional, and Transcriptomic Data. Frontiers In Physiology 2021, 12: 726253. PMID: 34594238, PMCID: PMC8478173, DOI: 10.3389/fphys.2021.726253.Peer-Reviewed Original ResearchPulmonary arteryAdult male C57BL/6J miceElevated pulmonary arterial pressureChronic cardiopulmonary conditionsPulmonary arterial pressureMale C57BL/6J miceElastic pulmonary arteriesArterial pulse wave velocityPulse wave velocityPotential therapeutic targetPulmonary arterial stiffeningSmooth muscle cell phenotypeMuscle cell phenotypeSpecific transcriptomic changesArterial pressureArterial stiffeningHypoxic miceCardiopulmonary conditionsPulmonary circulationC57BL/6J miceSustained hypoxiaTherapeutic targetClinical importanceEndothelial proliferationArteryLong-term Outcomes of Children Operated on for Anomalous Left Coronary Artery From the Pulmonary Artery
Thomas AS, Chan A, Alsoufi B, Vinocur JM, Kochilas L. Long-term Outcomes of Children Operated on for Anomalous Left Coronary Artery From the Pulmonary Artery. The Annals Of Thoracic Surgery 2021, 113: 1223-1230. PMID: 34419434, PMCID: PMC9012605, DOI: 10.1016/j.athoracsur.2021.07.053.Peer-Reviewed Original ResearchConceptsSevere mitral regurgitationLong-term outcomesAnomalous left coronary arteryLeft coronary arteryMitral regurgitationHospital deathCoronary reimplantationLV dysfunctionPulmonary arteryCoronary arteryMR severitySevere left ventricular dysfunctionBetter long-term survivalFavorable long-term outcomePediatric Cardiac Care ConsortiumCoronary artery reimplantationPreoperative mitral regurgitationTransplant-free survivalLeft ventricular dysfunctionSevere LV dysfunctionMitral valve operationsNational Death IndexRisk of deathOutcome of childrenLong-term survival
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