2023
Safety and performance of a novel implantable sensor in the inferior vena cava under acute and chronic intravascular volume modulation
Sheridan W, Wetterling F, Testani J, Borlaug B, Fudim M, Damman K, Gray A, Gaines P, Poloczek M, Madden S, Tucker J, Buxo T, Gaul R, Corcoran L, Sweeney F, Burkhoff D. Safety and performance of a novel implantable sensor in the inferior vena cava under acute and chronic intravascular volume modulation. European Journal Of Heart Failure 2023, 25: 754-763. PMID: 36891760, DOI: 10.1002/ejhf.2822.Peer-Reviewed Original Research
2022
Changes in inferior vena cava area represent a more sensitive metric than changes in filling pressures during experimental manipulation of intravascular volume and tone
Ivey‐Miranda J, Wetterling F, Gaul R, Sheridan S, Asher JL, Rao VS, Maulion C, Mahoney D, Mebazaa A, Gray AP, Burkhoff D, Cowie MR, Cox ZL, Butler J, Fudim M, McDonald K, Damman K, Borlaug BA, Testani JM. Changes in inferior vena cava area represent a more sensitive metric than changes in filling pressures during experimental manipulation of intravascular volume and tone. European Journal Of Heart Failure 2022, 24: 455-462. PMID: 34837447, PMCID: PMC9306514, DOI: 10.1002/ejhf.2395.Peer-Reviewed Original ResearchConceptsInferior vena cavaCardiac filling pressuresPulmonary artery pressureIntravascular volumeFilling pressureArtery pressureVolume statusVascular toneCardiac functionCross-sectional areaLeft-sided cardiac filling pressuresIVC cross-sectional areaHeart failure hospitalizationRight heart catheterizationChronic HFFailure hospitalizationHeart catheterizationCardiac dysfunctionVenous conduitsColloid infusionVena cavaVenous systemRapid pacingIVC areaVolume loading
2021
Renal negative pressure treatment as a novel therapy for heart failure-induced renal dysfunction
Rao VS, Maulion C, Asher JL, Ivey-Miranda J, Cox ZL, Moreno-Villagomez J, Mahoney D, Turner JM, Wilson FP, Wilcox CS, Testani J. Renal negative pressure treatment as a novel therapy for heart failure-induced renal dysfunction. AJP Regulatory Integrative And Comparative Physiology 2021, 321: r588-r594. PMID: 34405731, DOI: 10.1152/ajpregu.00115.2021.Peer-Reviewed Original ResearchConceptsRenal plasma flowGlomerular filtration rateCongestive HFTubular pressureHeart failure hospitalizationPara-aminohippurate clearanceCentral venous pressureHigh fractional excretionNegative pressure therapyUrinary collecting systemNegative pressure treatmentSimilar diuresisFailure hospitalizationRenal dysfunctionCardiac tamponadeIothalamate clearanceFractional excretionRenal parametersKidney functionRenal congestionRenal responseRight kidneyVenous pressurePressure therapyControl kidneys
2020
Prediction and measurement of diuretic responsiveness after oral administration of furosemide to healthy dogs and dogs with congestive heart failure
Loughran KA, Larouche‐Lebel É, Huh T, Testani JM, Rao VS, Oyama MA. Prediction and measurement of diuretic responsiveness after oral administration of furosemide to healthy dogs and dogs with congestive heart failure. Journal Of Veterinary Internal Medicine 2020, 34: 2253-2264. PMID: 33125814, PMCID: PMC7694836, DOI: 10.1111/jvim.15952.Peer-Reviewed Original ResearchConceptsCongestive heart failureSpot urine samplesDiuretic responsivenessHeart failureHealthy dogsOral administrationUrine samplesCumulative urine volumeUrinary Na excretionProspective interventional studyUrine sodiumNa excretionUrine volumeInterventional studyUvolClinical importanceHuman patientsClinical settingDogsFurosemideCharacteristic curveResponsivenessAdministrationMinutesPatientsFirst-in-Human Experience With Peritoneal Direct Sodium Removal Using a Zero-Sodium Solution
Rao VS, Turner JM, Griffin M, Mahoney D, Asher J, Jeon S, Yoo PS, Boutagy N, Feher A, Sinusas A, Wilson FP, Finkelstein F, Testani JM. First-in-Human Experience With Peritoneal Direct Sodium Removal Using a Zero-Sodium Solution. Circulation 2020, 141: 1043-1053. PMID: 31910658, PMCID: PMC7331276, DOI: 10.1161/circulationaha.119.043062.Peer-Reviewed Original ResearchConceptsStandard PD solutionExperimental heart failureHeart failurePD solutionsAdverse eventsPeritoneal dialysisSignificant discomfortSodium removalEnd-stage renal diseaseEnd pointElevated right atrial pressureMaintenance of euvolemiaPrimary end pointSecondary end pointsRight atrial pressureHuman proofLoss of responseSolute removalPorcine experimentsAtrial pressureRenal diseaseLoop diureticsSerum electrolytesHuman studiesPeritoneal membrane
2019
Cardiomyocyte d-dopachrome tautomerase protects against heart failure
Ma Y, Su KN, Pfau D, Rao VS, Wu X, Hu X, Leng L, Du X, Piecychna M, Bedi K, Campbell SG, Eichmann A, Testani JM, Margulies KB, Bucala R, Young LH. Cardiomyocyte d-dopachrome tautomerase protects against heart failure. JCI Insight 2019, 4: e128900. PMID: 31484822, PMCID: PMC6777911, DOI: 10.1172/jci.insight.128900.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalciumCardiomegalyCytokinesDisease Models, AnimalEchocardiographyGene DeletionGene ExpressionGenetic Predisposition to DiseaseHeart FailureHumansIntramolecular OxidoreductasesMaleMAP Kinase Kinase KinasesMiceMice, Inbred C57BLMice, KnockoutMyocytes, CardiacRecombinant ProteinsSignal TransductionTranscriptomeVascular Endothelial Growth Factor AConceptsTransverse aortic constrictionHeart failureRecombinant DDTConnective tissue growth factor expressionTissue growth factor expressionMore interstitial fibrosisAdvanced heart failureCardiac pressure overloadExperimental heart failureCardiac contractile dysfunctionLittermate control miceSmad-2 activationGrowth factor expressionSarcoplasmic reticulum calcium ATPaseMacrophage migration inhibitory factor (MIF) familyReticulum calcium ATPasePulmonary edemaCardiac dilatationContractile dysfunctionControl miceInterstitial fibrosisPressure overloadAntifibrotic actionAortic constrictionLow VEGFAge associated non-linear regulation of redox homeostasis in the anucleate platelet: Implications for CVD risk patients
Jain K, Tyagi T, Patell K, Xie Y, Kadado AJ, Lee SH, Yarovinsky T, Du J, Hwang J, Martin KA, Testani J, Ionescu CN, Hwa J. Age associated non-linear regulation of redox homeostasis in the anucleate platelet: Implications for CVD risk patients. EBioMedicine 2019, 44: 28-40. PMID: 31130473, PMCID: PMC6604369, DOI: 10.1016/j.ebiom.2019.05.022.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAge FactorsAgedAged, 80 and overAgingAnimalsAntioxidantsApoptosisBiomarkersBlood PlateletsCardiovascular DiseasesComorbidityDisease Models, AnimalFemaleHomeostasisHumansMaleMiceMiddle AgedOxidation-ReductionOxidative StressPlatelet ActivationPlatelet AdhesivenessReactive Oxygen SpeciesRisk AssessmentRisk FactorsConceptsRisk patientsMouse studiesPlatelet phenotypeMajor adverse cardiovascular eventsHigh cardiovascular risk patientsAdaptive increaseAdverse cardiovascular eventsCentral pathophysiological roleCVD risk patientsCardiovascular risk patientsAggressive antiplatelet therapyEffect of comorbidityAge group 40Young healthy subjectsAntiplatelet therapyCardiovascular eventsYear age cohortAdvanced ageCVD patientsGroup 40Healthy subjectsPathophysiological roleElderly populationCardiovascular pathologyPatients
2010
Glucagon-Like Peptide-1 Increases Myocardial Glucose Uptake via p38&agr; MAP Kinase-Mediated, Nitric Oxide-Dependent Mechanisms in Conscious Dogs With Dilated Cardiomyopathy
Bhashyam S, Fields AV, Patterson B, Testani JM, Chen L, Shen YT, Shannon RP. Glucagon-Like Peptide-1 Increases Myocardial Glucose Uptake via p38&agr; MAP Kinase-Mediated, Nitric Oxide-Dependent Mechanisms in Conscious Dogs With Dilated Cardiomyopathy. Circulation Heart Failure 2010, 3: 512-521. PMID: 20466848, PMCID: PMC3075465, DOI: 10.1161/circheartfailure.109.900282.Peer-Reviewed Original ResearchAnalysis of VarianceAnimalsBlood GlucoseCardiomyopathy, DilatedConsciousnessDisease Models, AnimalDogsFemaleGlucagon-Like Peptide 1Glucagon-Like Peptide-1 ReceptorGlucose Transporter Type 4HemodynamicsMaleMitochondria, HeartMyocardiumNitric Oxide SynthaseP38 Mitogen-Activated Protein KinasesProbabilityRandom AllocationReceptors, GlucagonSignal TransductionVentricular Function, Left