2021
Mechanisms of Hypoxia-Induced Pulmonary Arterial Stiffening in Mice Revealed by a Functional Genetics Assay of Structural, Functional, and Transcriptomic Data
Manning EP, Ramachandra AB, Schupp JC, Cavinato C, Raredon MSB, Bärnthaler T, Cosme C, Singh I, Tellides G, Kaminski N, Humphrey JD. Mechanisms of Hypoxia-Induced Pulmonary Arterial Stiffening in Mice Revealed by a Functional Genetics Assay of Structural, Functional, and Transcriptomic Data. Frontiers In Physiology 2021, 12: 726253. PMID: 34594238, PMCID: PMC8478173, DOI: 10.3389/fphys.2021.726253.Peer-Reviewed Original ResearchPulmonary arteryAdult male C57BL/6J miceElevated pulmonary arterial pressureChronic cardiopulmonary conditionsPulmonary arterial pressureMale C57BL/6J miceElastic pulmonary arteriesArterial pulse wave velocityPulse wave velocityPotential therapeutic targetPulmonary arterial stiffeningSmooth muscle cell phenotypeMuscle cell phenotypeSpecific transcriptomic changesArterial pressureArterial stiffeningHypoxic miceCardiopulmonary conditionsPulmonary circulationC57BL/6J miceSustained hypoxiaTherapeutic targetClinical importanceEndothelial proliferationArteryImpact of right ventricular work and pulmonary arterial compliance on peak exercise oxygen uptake in idiopathic pulmonary arterial hypertension
Messina CMS, Ferreira EVM, Singh I, Fonseca AXC, Ramos RP, Nery LE, Systrom DM, Oliveira RKF, Ota-Arakaki JS. Impact of right ventricular work and pulmonary arterial compliance on peak exercise oxygen uptake in idiopathic pulmonary arterial hypertension. International Journal Of Cardiology 2021, 331: 230-235. PMID: 33545265, DOI: 10.1016/j.ijcard.2021.01.027.Peer-Reviewed Original ResearchConceptsRV stroke work indexPulmonary arterial hypertensionRight heart catheterizationExercise right heart catheterizationIdiopathic pulmonary arterial hypertensionIdiopathic PAHCardiac outputPA complianceArterial hypertensionRight ventricularDynes/s/Mean pulmonary arterial pressurePeak exercise oxygen uptakePeak stroke volume indexPA wedge pressurePeak cardiac indexPulmonary vascular resistanceStroke volume indexStroke work indexCardiopulmonary exercise testingPulmonary arterial pressurePulmonary arterial complianceRight ventricular workAge-adjusted multivariate modelExercise oxygen uptake
2020
A 50-Year-Old Woman With Limited Scleroderma Presenting With Shortness of Breath
Walia A, Singh I, Ryu C, Lutchmansingh DD. A 50-Year-Old Woman With Limited Scleroderma Presenting With Shortness of Breath. CHEST Journal 2020, 158: e37-e40. PMID: 32654737, PMCID: PMC8097629, DOI: 10.1016/j.chest.2020.02.041.Peer-Reviewed Original ResearchConceptsInterstitial lung diseasePulmonary arterial pressurePulmonary arterial hypertensionArterial hypertensionMycophenolate mofetilLimited sclerodermaArterial pressureCalculated pulmonary vascular resistanceMean pulmonary arterial pressureSevere pulmonary arterial hypertensionStable interstitial lung diseasePulmonary arterial wedge pressureLow-dose prednisonePulmonary vascular resistanceRight heart catheterizationRight atrial pressureLower extremity edemaRight ventricular pressureChronic shortnessCardiac indexChest painHeart catheterizationSick contactsVascular resistanceWedge pressure