Persistent Exertional Intolerance After COVID-19 Insights From Invasive Cardiopulmonary Exercise Testing
Singh I, Joseph P, Heerdt PM, Cullinan M, Lutchmansingh DD, Gulati M, Possick JD, Systrom DM, Waxman AB. Persistent Exertional Intolerance After COVID-19 Insights From Invasive Cardiopulmonary Exercise Testing. CHEST Journal 2021, 161: 54-63. PMID: 34389297, PMCID: PMC8354807, DOI: 10.1016/j.chest.2021.08.010.Peer-Reviewed Original ResearchConceptsInvasive cardiopulmonary exercise testingCardiopulmonary exercise testingCardiopulmonary diseaseExercise testingControl participantsPeak VOExertional limitationCOVID-19Greater ventilatory inefficiencyPeak cardiac indexSex-matched control participantsCohort of patientsSystemic oxygen extractionDead space ventilationOnly mild symptomsExertional intoleranceCardiac indexPulmonary hemodynamicsAcute infectionVentilatory inefficiencyExercise intolerancePathophysiologic mechanismsMild symptomsHyperventilatory responseOxygen extractionQuantification of Arterial and Venous Morphologic Markers in Pulmonary Arterial Hypertension Using CT Imaging
Rahaghi FN, Nardelli P, Harder E, Singh I, Sánchez-Ferrero GV, Ross JC, San José Estépar R, Ash SY, Hunsaker AR, Maron BA, Leopold JA, Waxman AB, San José Estépar R, Washko GR. Quantification of Arterial and Venous Morphologic Markers in Pulmonary Arterial Hypertension Using CT Imaging. CHEST Journal 2021, 160: 2220-2231. PMID: 34270966, PMCID: PMC8692106, DOI: 10.1016/j.chest.2021.06.069.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedFemaleHumansMaleMiddle AgedPulmonary Arterial HypertensionPulmonary ArteryPulmonary VeinsRespiratory Function TestsRetrospective StudiesTomography, X-Ray ComputedConceptsExercise pulmonary hypertensionPulmonary arterial hypertensionControl subjectsPulmonary hypertensionSmall vessel volumeArterial hypertensionPulmonary arteryPulmonary vasculatureVascular tortuosityVascular volumeArterial volumePrecapillary pulmonary hypertensionCohort of patientsPulmonary vascular volumeVenous manifestationsThromboembolic diseaseCT angiogramArterial tortuosityHypertensionCT scanVessel volumeHeterogeneous diseasePatientsStudy designArtery