2024
Right 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 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 factorsEchocardiographyThree-dimensional (3D) Right Ventricular Surface Strain Computed From 3D Echocardiography Correlates With RVEF and Reveals Differences in Deformation Based on Severity of Pulmonary Arterial Hypertension Symptoms
Oakland H, Bellumkonda L, Sugeng L, Joseph P, Izzi D, Zalik F, McCabe S, Raza A, Amendola R, Heerdt P, Singh I, Hunter K. Three-dimensional (3D) Right Ventricular Surface Strain Computed From 3D Echocardiography Correlates With RVEF and Reveals Differences in Deformation Based on Severity of Pulmonary Arterial Hypertension Symptoms. 2024, a7381-a7381. DOI: 10.1164/ajrccm-conference.2024.209.1_meetingabstracts.a7381.Peer-Reviewed Original Research
2023
Comprehensive Investigation of Latent Pulmonary Vascular Disease An Important Exercise for a Novel HFpEF Phenotype ∗
Oakland H, Shah S. Comprehensive Investigation of Latent Pulmonary Vascular Disease An Important Exercise for a Novel HFpEF Phenotype ∗. JACC Heart Failure 2023, 11: 1439-1442. PMID: 37480882, DOI: 10.1016/j.jchf.2023.05.032.Peer-Reviewed Original ResearchIntegrating Right Ventricular Pressure Waveform Analysis With Two-Point Volume Measurement for Quantification of Systolic and Diastolic Function: Experimental Validation and Clinical Application
Heerdt P, Martin-Flores M, Oakland H, Joseph P, Singh I. Integrating Right Ventricular Pressure Waveform Analysis With Two-Point Volume Measurement for Quantification of Systolic and Diastolic Function: Experimental Validation and Clinical Application. Journal Of Cardiothoracic And Vascular Anesthesia 2023, 37: 1929-1937. PMID: 37422337, PMCID: PMC10529383, DOI: 10.1053/j.jvca.2023.06.011.Peer-Reviewed Original ResearchConceptsRight heart catheterizationHeart catheterizationDiastolic functionRV volumesBeat measuresDiagnostic right heart catheterizationReference standardRight ventricular contractilityEnd-diastolic pressurePressure waveform analysisEnd-systolic elastancePotential clinical utilityClinical applicationRV volume measurementsVolume measurementsRV contractilityRV systolicVentricular contractilityRV pressureBland-Altman analysisClinical utilityAnesthetized swineNitric oxideExperimental modelContractilityResponse to letter to the editor “noninvasive determinants of pulmonary hypertension in interstitial lung disease”
Joseph P, Savarimuthu S, Oakland H, Cullinan M, Heerdt P, Singh I. Response to letter to the editor “noninvasive determinants of pulmonary hypertension in interstitial lung disease”. Pulmonary Circulation 2023, 13: e12238. PMID: 37180828, PMCID: PMC10166920, DOI: 10.1002/pul2.12238.Peer-Reviewed Original ResearchNoninvasive determinants of pulmonary hypertension in interstitial lung disease
Joseph P, Savarimuthu S, Zhao J, Yan X, Oakland H, Cullinan M, Heerdt P, Singh I. Noninvasive determinants of pulmonary hypertension in interstitial lung disease. Pulmonary Circulation 2023, 13: e12197. PMID: 36814586, PMCID: PMC9939578, DOI: 10.1002/pul2.12197.Peer-Reviewed Original ResearchInterstitial lung diseaseFVC/DLCO ratioPH-ILDRight heart catheterizationPulmonary hypertensionHeart catheterizationILD patientsLung diseaseDiagnostic right heart catheterizationRight ventricular systolic pressurePulmonary vascular capacitanceVentricular systolic pressureCharacteristic curve analysisMaximum oxygen uptakeExertional capacityNoninvasive determinantsSystolic pressureVascular capacitancePhysiologic evaluationPatientsNoninvasive variablesMultivariate analysisMmHgDiagnostic standardPotential initiation
2022
Reply to Grignola and Trujillo
Oakland HT, Joseph P, Naeije R, Elassal A, Cullinan M, Heerdt PM, Singh I. Reply to Grignola and Trujillo. Journal Of Applied Physiology 2022, 132: 219-219. PMID: 35030044, PMCID: PMC8759952, DOI: 10.1152/japplphysiol.00810.2021.Commentaries, Editorials and Letters
2021
Sex Differences and the Role of Sex Hormones in Pulmonary Hypertension
Oakland HT, Joseph P. Sex Differences and the Role of Sex Hormones in Pulmonary Hypertension. Clinics In Chest Medicine 2021, 42: 457-465. PMID: 34353451, DOI: 10.1016/j.ccm.2021.04.006.ChaptersConceptsPulmonary hypertensionProgressive pulmonary vascular remodelingRight heart failurePulmonary arterial hypertensionPulmonary vascular remodelingSex differencesArterial hypertensionHeart failureFemale sexSex hormonesVascular remodelingHypertensionFuture treatmentBeneficial effectsEventual developmentMultiple mechanismsVasoconstrictionEarlier descriptionsInflammationPathophysiologyEstrogenPrevalenceDiseaseHormoneDefining end-systolic pressure for single-beat estimation of right ventricle–pulmonary artery coupling: simple… but not really
Singh I, Oakland H, Elassal A, Heerdt PM. Defining end-systolic pressure for single-beat estimation of right ventricle–pulmonary artery coupling: simple… but not really. ERJ Open Research 2021, 7: 00219-2021. PMID: 34435035, PMCID: PMC8381254, DOI: 10.1183/23120541.00219-2021.Peer-Reviewed Original ResearchArterial load and right ventricular-vascular coupling in pulmonary hypertension
Oakland H, Joseph P, Naeije R, Elassal A, Cullinan M, Heerdt PM, Singh I. Arterial load and right ventricular-vascular coupling in pulmonary hypertension. Journal Of Applied Physiology 2021, 131: 424-433. PMID: 34043473, PMCID: PMC8325619, DOI: 10.1152/japplphysiol.00204.2021.Peer-Reviewed Original ResearchConceptsPulmonary artery hypertensionRV-PA uncouplingPulmonary vascular resistancePressure waveform analysisRight ventriclePulmonary vascular impedancePulmonary hypertensionVascular impedanceRight heart catheterization dataRight ventricular-vascular couplingRV-pulmonary arterial couplingCpc-PH groupEjection fraction patientsHeart catheterization dataRV pressure curveRV-PA couplingLeft heart diseaseVentricular-vascular couplingSex-matched controlsAfterload parametersCpc-PHIpc-PHPH-HFpEFRV afterloadArtery hypertension
2020
Diagnostic utility of sub‐maximum cardiopulmonary exercise testing in the ambulatory setting for heart failure with preserved ejection fraction
Oakland HT, Joseph P, Elassal A, Cullinan M, Heerdt PM, Singh I. Diagnostic utility of sub‐maximum cardiopulmonary exercise testing in the ambulatory setting for heart failure with preserved ejection fraction. Pulmonary Circulation 2020, 10: 1-10. PMID: 33282205, PMCID: PMC7691918, DOI: 10.1177/2045894020972273.Peer-Reviewed Original ResearchIsolated post-capillary pulmonary hypertensionPost-capillary pulmonary hypertensionCardiopulmonary exercise testRight heart catheterizationPulmonary vascular capacitanceVE/VCOPulmonary hypertensionEnd-tidal carbon dioxideEjection fractionHeart failureExercise testHeart catheterizationVascular capacitanceCombined preElevated left-sided filling pressuresLeft-sided filling pressuresGender-matched control subjectsOxygen uptake efficiency slopeCarbon dioxide slopeCardiopulmonary exercise testingPulmonary artery complianceEnd-tidal COAdjunct diagnostic toolMaximum oxygen uptakeGreater ventilatory
2014
The Effect of Short, Unplanned Hospitalizations on Older Adult Functional Status
Oakland H, Farber J. The Effect of Short, Unplanned Hospitalizations on Older Adult Functional Status. Journal Of The American Geriatrics Society 2014, 62: 788-789. PMID: 24731037, DOI: 10.1111/jgs.12761.Peer-Reviewed Original Research