2021
FGF-23 (Fibroblast Growth Factor-23) and Cardiorenal Interactions
Ivey-Miranda JB, Stewart B, Cox ZL, McCallum W, Maulion C, Gleason O, Meegan G, Amatruda JG, Moreno-Villagomez J, Mahoney D, Turner JM, Wilson FP, Estrella MM, Shlipak MG, Rao VS, Testani JM. FGF-23 (Fibroblast Growth Factor-23) and Cardiorenal Interactions. Circulation Heart Failure 2021, 14: e008385. PMID: 34689571, PMCID: PMC8782627, DOI: 10.1161/circheartfailure.121.008385.Peer-Reviewed Original ResearchConceptsFGF-23Cardiorenal interactionsHeart failureDiuretic resistanceSodium avidityNeurohormonal activationMultivariable analysisDistal tubular sodium reabsorptionLoop diuretic doseTubular sodium reabsorptionGlomerular filtration rateCardiorenal dysfunctionDiuretic doseDiuretic treatmentNT-proBNPFractional excretionDiuretic administrationSodium reabsorptionPeak diuresisFiltration rateCare centerUrine samplingAnimal modelsSerum chlorideDisease severityCompensatory post-diuretic renal sodium reabsorption is not a dominant mechanism of diuretic resistance in acute heart failure
Cox ZL, Rao VS, Ivey-Miranda JB, Moreno-Villagomez J, Mahoney D, Ponikowski P, Biegus J, Turner JM, Maulion C, Bellumkonda L, Asher JL, Parise H, Wilson PF, Ellison DH, Wilcox CS, Testani JM. Compensatory post-diuretic renal sodium reabsorption is not a dominant mechanism of diuretic resistance in acute heart failure. European Heart Journal 2021, 42: 4468-4477. PMID: 34529781, PMCID: PMC8599022, DOI: 10.1093/eurheartj/ehab620.Peer-Reviewed Original ResearchConceptsAcute decompensated heart failureSpontaneous natriuresisDiuretic resistanceHeart failureSodium reabsorptionUrine collectionSpot urine sodium concentrationsIntravenous loop diureticsNeutral sodium balanceAcute heart failureDecompensated heart failureRenal sodium reabsorptionSubgroup of patientsUrine sodium concentrationSpot urine samplesDiuretic therapySodium aviditySodium excretionUrine sodiumCreatinine ratioLoop diureticsDiuretic administrationSodium balanceNatriuresisHealthy volunteersNatriuretic Equation to Predict Loop Diuretic Response in Patients With Heart Failure
Rao VS, Ivey-Miranda JB, Cox ZL, Riello R, Griffin M, Fleming J, Soucier R, Sangkachand P, O'Brien M, LoRusso F, D'Ambrosi J, Churchwell K, Mahoney D, Bellumkonda L, Asher JL, Maulion C, Turner JM, Wilson FP, Collins SP, Testani JM. Natriuretic Equation to Predict Loop Diuretic Response in Patients With Heart Failure. Journal Of The American College Of Cardiology 2021, 77: 695-708. PMID: 33573739, PMCID: PMC8114781, DOI: 10.1016/j.jacc.2020.12.022.Peer-Reviewed Original ResearchConceptsLoop diuretic administrationDiuretic therapyNatriuretic responseDiuretic administrationSodium outputAcute decompensated heart failureDecompensated heart failureHeart failure admissionsDaily urine outputSpot urine samplesNet fluid outputNet fluid lossPathway cohortHeart failureLoop diureticsUrine outputDiuretic responseResidual congestionFluid outputTherapyCohortWeight lossAdditional studiesUrine samplesExcellent discrimination
2020
Validation of Natriuretic Response Prediction Equation in Patients with Acute Decompensated Heart Failure
Gleason O, Meegan G, Fleming J, Griffin M, Ivey-Miranda J, Cox Z, Rao V, Testani J. Validation of Natriuretic Response Prediction Equation in Patients with Acute Decompensated Heart Failure. Journal Of Cardiac Failure 2020, 26: s2. DOI: 10.1016/j.cardfail.2020.09.015.Peer-Reviewed Original ResearchNatriuretic responseSodium outputUrine collectionDiuretic administrationAcute decompensated heart failureIntravenous loop diuretic therapyLoop diuretic administrationLoop diuretic therapySpot urine sodiumDecompensated heart failureHeart failure admissionsRoutine clinical practiceSpot urine samplesNet fluid outputTotal sodium excretionUrine spot samplesADHF patientsDiuretic therapySodium excretionUrine sodiumHeart failureLoop diureticsUrine outputClinical practiceFluid outputMechanisms of Diuretic Resistance Study: design and rationale
Cox ZL, Fleming J, Ivey‐Miranda J, Griffin M, Mahoney D, Jackson K, Hodson DZ, Thomas D, Gomez N, Rao VS, Testani JM. Mechanisms of Diuretic Resistance Study: design and rationale. ESC Heart Failure 2020, 7: 4458-4464. PMID: 32893505, PMCID: PMC7754741, DOI: 10.1002/ehf2.12949.Peer-Reviewed Original ResearchAcute decompensated heart failureDiuretic resistanceDiuretic responseUrine collectionCombination diuretic therapyLoop diuretic administrationLoop diuretic doseLoop diuretic resistanceDecompensated heart failureProspective patient cohortPhysical exam findingsSpot urine collectionADHF hospitalizationsDiuretic doseDiuretic therapyHF outcomesBaseline bloodCommon complicationPatient characteristicsProspective cohortHeart failureLoop diureticsDiuretic administrationUrine biomarkersExam findingsEffect of Loop Diuretics on the Fractional Excretion of Urea in Decompensated Heart Failure
Cox ZL, Sury K, Rao VS, Ivey-Miranda JB, Griffin M, Mahoney D, Gomez N, Fleming JH, Inker LA, Coca SG, Turner J, Wilson FP, Testani JM. Effect of Loop Diuretics on the Fractional Excretion of Urea in Decompensated Heart Failure. Journal Of Cardiac Failure 2020, 26: 402-409. PMID: 32007554, PMCID: PMC7798124, DOI: 10.1016/j.cardfail.2020.01.019.Peer-Reviewed Original ResearchConceptsAcute kidney injuryFractional excretionHeart failureLoop diureticsDecompensated heart failureFurosemide equivalentsKidney injuryProspective cohortDiuretic administrationDiuretic responsePeak diuresisDiuretic effectFEUreaDiureticsPatientsDiagnostic superiorityHospital systemExcretionMagnitude of changeDegree of changeBaselineDistribution of changesFENaDiuresisFailure
2019
Rapid and Accurate Assessment of Diuretic Response: Validation of an Equation to Predict Diuretic Induced Sodium Output Using a Spot Urine Sample
Griffin M, Struyk G, Fleming J, Shamlian P, Wycallis E, Pattoli M, Thomas A, Stewart B, Barnett J, Gomez N, Ivey-Miranda J, Rao V, Testani J. Rapid and Accurate Assessment of Diuretic Response: Validation of an Equation to Predict Diuretic Induced Sodium Output Using a Spot Urine Sample. Journal Of Cardiac Failure 2019, 25: s52-s53. DOI: 10.1016/j.cardfail.2019.07.148.Peer-Reviewed Original ResearchPoor diuretic responseSpot urine samplesNet fluid balanceDiuretic responseSodium excretionUrine collectionDiuretic administrationSodium outputValidation cohortWeight lossUrine samplesFluid balanceCumulative sodium excretionTypes of diureticsRoutine clinical practiceNet fluid lossAssessment of responseDiuretic doseDiuretic periodDiuretic therapyBladder dysfunctionLoop diureticsSpot urineMedical recordsClinical trials