Doppler assessment of changes in right-sided cardiac hemodynamics after pulmonary thromboendarterectomy

Details

Serval ID
serval:BIB_12F87DC80E1A
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Doppler assessment of changes in right-sided cardiac hemodynamics after pulmonary thromboendarterectomy
Journal
American Journal of Cardiology
Author(s)
Chow  L. C., Dittrich  H. C., Hoit  B. D., Moser  K. M., Nicod  P. H.
ISSN
0002-9149 (Print)
Publication state
Published
Issued date
05/1988
Volume
61
Number
13
Pages
1092-7
Notes
Comparative Study
Journal Article
Research Support, U.S. Gov't, Non-P.H.S.
Research Support, U.S. Gov't, P.H.S. --- Old month value: May 1
Abstract
It is not known whether Doppler echocardiography can accurately follow changes in right-sided cardiac hemodynamics after a therapeutic intervention in patients with pulmonary artery (PA) hypertension. Therefore, Doppler measurements of the maximal velocity of the tricuspid regurgitant jet and the acceleration time of the PA velocity profile were obtained in 28 patients before and after pulmonary thromboendarterectomy for chronic thromboembolic PA hypertension. Doppler values were compared with hemodynamic variables obtained at cardiac catheterization. Postoperatively, decreases in mean PA pressure (50 +/- 14 to 28 +/- 8 mm Hg), transtricuspid systolic pressure difference (69 +/- 21 to 36 +/- 14 mm Hg) and Doppler measurement of the maximal velocity of the tricuspid regurgitant jet (4.1 +/- 0.7 to 2.7 +/- 0.5 m/s) were noted, while acceleration time increased (57 +/- 16 to 94 +/- 18 ms, all p less than 0.001) compared with preoperative values. For the population as a whole, the calculated systolic transtricuspid pressure difference determined from the maximal velocity of tricuspid regurgitation correlated well with the catheterization systolic transtricuspid pressure difference (r = 0.93, p less than 0.001) and the acceleration time correlated with mean PA pressure (r = -0.81, p less than 0.001). More importantly, the change in the maximal velocity of tricuspid regurgitation for postoperative patients was found to correlate with the change in catheterization systolic transtricuspid pressure difference (r = 0.82, p less than 0.001), while the change in acceleration time correlated weakly with the change in mean PA pressure (r = -0.41, p = 0.053).(ABSTRACT TRUNCATED AT 250 WORDS)
Keywords
Adult Aged Aged, 80 and over Blood Flow Velocity Blood Pressure Chronic Disease *Echocardiography *Endarterectomy Female Heart/*physiopathology *Hemodynamic Processes Humans Hypertension, Pulmonary/physiopathology/*surgery Male Middle Aged Pulmonary Artery/physiopathology/*surgery Pulmonary Valve Stenosis/physiopathology/*surgery Systole Thrombosis/physiopathology/*surgery Time Factors Tricuspid Valve Insufficiency/physiopathology Vascular Resistance
Pubmed
Web of science
Create date
25/01/2008 14:00
Last modification date
20/08/2019 12:41
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