2011
Echocardiographic Markers of Elevated Pulmonary Pressure and Left Ventricular Diastolic Dysfunction Are Associated With Exercise Intolerance in Adults and Adolescents With Homozygous Sickle Cell Anemia in the United States and United Kingdom
Sachdev V, Kato G, Gibbs J, Barst R, Machado R, Nouraie M, Hassell K, Little J, Schraufnagel D, Krishnamurti L, Novelli E, Girgis R, Morris C, Rosenzweig E, Badesch D, Lanzkron S, Castro O, Taylor J, Hannoush H, Goldsmith J, Gladwin M, Gordeuk V. Echocardiographic Markers of Elevated Pulmonary Pressure and Left Ventricular Diastolic Dysfunction Are Associated With Exercise Intolerance in Adults and Adolescents With Homozygous Sickle Cell Anemia in the United States and United Kingdom. Circulation 2011, 124: 1452-1460. PMID: 21900080, PMCID: PMC3183314, DOI: 10.1161/circulationaha.111.032920.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAnemia, Sickle CellChildEchocardiographyExercise TestExercise ToleranceFamilial Primary Pulmonary HypertensionFemaleHomozygoteHumansHypertension, PulmonaryMaleMiddle AgedMultivariate AnalysisPredictive Value of TestsProspective StudiesPulmonary ArteryTricuspid Valve InsufficiencyUnited KingdomUnited StatesVentricular Dysfunction, LeftYoung AdultConceptsTricuspid regurgitation velocitySickle cell diseaseSickle cell anemiaVentricular diastolic dysfunctionDiastolic dysfunctionCell diseaseCell anemiaPulmonary hypertensionExercise capacityWalk distanceElevated pulmonary artery systolic pressurePulmonary artery systolic pressureSystolic pulmonary artery pressureHomozygous sickle cell anemiaPulmonary pressure elevationLV diastolic dysfunctionLV filling pressurePoor exercise capacityPulmonary artery pressureElevated pulmonary pressuresLong-term outcomesHomozygous hemoglobin SBlood urea nitrogenArtery pressureEchocardiographic markers
2006
Elevation of tricuspid regurgitant jet velocity, a marker for pulmonary hypertension in children with sickle cell disease
Ambrusko S, Gunawardena S, Sakara A, Windsor B, Lanford L, Michelson P, Krishnamurti L. Elevation of tricuspid regurgitant jet velocity, a marker for pulmonary hypertension in children with sickle cell disease. Pediatric Blood & Cancer 2006, 47: 907-913. PMID: 16496290, DOI: 10.1002/pbc.20791.Peer-Reviewed Original ResearchConceptsElevated tricuspid regurgitant velocityTricuspid regurgitant velocitySickle cell diseaseAcute chest syndromePulmonary hypertensionCerebrovascular diseaseVasoocclusive crisisSCD patientsReticulocyte countCell diseaseType of SCDTricuspid regurgitant jet velocityLife-threatening complicationsObstructive sleep apneaPediatric SCD patientsRegurgitant jet velocityElevated reticulocyte countSignificant differencesNumber of echocardiogramsChest syndromeEchocardiographic evidenceOutpatient echocardiogramMean hemoglobinClinical characteristicsHydroxyurea therapy