2024
Increased Spironolactone Dosing in Acute Heart Failure Alters Potassium Homeostasis but Does Not Enhance Decongestion
Natov P, Ivey-Miranda J, Cox Z, Rao V, Butler J, Konstam M, Kiernan M, Kapur N, Testani J. Increased Spironolactone Dosing in Acute Heart Failure Alters Potassium Homeostasis but Does Not Enhance Decongestion. Journal Of Cardiac Failure 2024, 30: 1522-1526. PMID: 38986838, DOI: 10.1016/j.cardfail.2024.06.008.Peer-Reviewed Original ResearchBaseline serum potassiumAcute heart failureSerum potassiumSpironolactone treatmentTreatment armsHeart failureBaseline serum potassium levelsNatriuretic peptide levelsTreated with spironolactoneSerum potassium levelsSpironolactone-treated patientsNet fluid lossRenal potassium handlingPost hoc analysisEnhance decongestionSpironolactone dosePotassium wastingUrine outputClinical congestionTreatment startPotassium handlingPotassium replacementPotassium supplementationPharmacodynamic effectsSurrogate marker
2023
Randomized controlled trial of urinE chemiStry guided aCute heArt faiLure treATmEnt (ESCALATE): Rationale and design
Cox Z, Siddiqi H, Stevenson L, Bales B, Han J, Hart K, Imhoff B, Ivey-Miranda J, Jenkins C, Lindenfeld J, Shotwell M, Miller K, Ooi H, Rao V, Schlendorf K, Self W, Siew E, Storrow A, Walsh R, Wrenn J, Testani J, Collins S. Randomized controlled trial of urinE chemiStry guided aCute heArt faiLure treATmEnt (ESCALATE): Rationale and design. American Heart Journal 2023, 265: 121-131. PMID: 37544492, PMCID: PMC10592235, DOI: 10.1016/j.ahj.2023.07.014.Peer-Reviewed Original ResearchAcute decompensated heart failureUrine chemistryDiuretic strategyIntravenous diuresisUsual careAcute heartHeart failureClinical trialsGlobal clinical statusKey exclusion criteriaUsual care strategyAcute heart failureDecompensated heart failureRandomized clinical trialsKey inclusion criteriaMultiple clinical trialsPaucity of evidenceDiuretic dosingDiuretic therapyPrimary outcomePatient's symptomsClinical statusTreatment trialsValvular stenosisClinical stateThe importance of forward flow and venous congestion in diuretic response in acute heart failure: Insights from the ESCAPE trial
Eder M, Griffin M, Moreno-Villagomez J, Bellumkonda L, Maulion C, Asher J, Wilson F, Cox Z, Ivey-Miranda J, Rao V, Butler J, Borlaug B, McCallum W, Ramos-Mastache D, Testani J. The importance of forward flow and venous congestion in diuretic response in acute heart failure: Insights from the ESCAPE trial. International Journal Of Cardiology 2023, 381: 57-61. PMID: 37023862, DOI: 10.1016/j.ijcard.2023.04.002.Peer-Reviewed Original ResearchConceptsRight atrial pressureDiuretic efficiencyRight atrial areaDiuretic responseVenous congestionHeart failureCardio-renal interactionsLoop diuretic doseAcute heart failureRenal perfusion pressureLow cardiac outputMean arterial pressureRight ventricular systolicCongestive heart failureVentricular ejection fractionNet fluid outputForward flowDiuretic doseDiuretic resistanceTTE parametersCardiac indexVentricular systolicArterial pressureAtrial pressureEjection fraction
2021
Compensatory 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 volunteers
2017
007 Acute Tubular Injury is Not a Major Mechanism for Worsening Renal Function in Patients Treated for Acute Heart Failure
Hodson D, Jackson K, Ahmad T, Rao V, Mahoney D, Tarleton C, Chunara Z, Thomas D, Chen M, Jacoby D, Riello R, Testani J. 007 Acute Tubular Injury is Not a Major Mechanism for Worsening Renal Function in Patients Treated for Acute Heart Failure. Journal Of Cardiac Failure 2017, 23: s6. DOI: 10.1016/j.cardfail.2017.07.010.Peer-Reviewed Original Research