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Overestimation of aortic valve gradient measured by Doppler echocardiography in patients with aortic stenosis
Author(s) -
Sakthi Chellammal,
Yee Henry,
Kotlewski Adam
Publication year - 2005
Publication title -
catheterization and cardiovascular interventions
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.988
H-Index - 116
eISSN - 1522-726X
pISSN - 1522-1946
DOI - 10.1002/ccd.20324
Subject(s) - medicine , cardiology , cardiac catheterization , doppler echocardiography , stenosis , aortic valve , pressure gradient , doppler effect , aortic valve stenosis , population , ventricular pressure , hemodynamics , radiology , blood pressure , diastole , physics , environmental health , astronomy , mechanics
We describe a series of patients with suspected aortic stenosis who were noted to have a significant aortic valve gradient by Doppler echocardiography but only a minimal gradient during cardiac catheterization. Although the pressure recovery phenomenon partially explained this discrepancy, a difference still persisted, particularly in peak gradients. The overestimation occurred at much lower cardiac catheterization gradients than previously reported. Since many of our patients were noted to be hypertensive, this discrepancy might be more apparent in this patient population. © 2005 Wiley‐Liss, Inc.