Left atrial function in acute transient left ventricular ischemia produced during percutaneous transluminal coronary angioplasty of the left anterior descending coronary artery

Details

Serval ID
serval:BIB_D86A538DEA5F
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Left atrial function in acute transient left ventricular ischemia produced during percutaneous transluminal coronary angioplasty of the left anterior descending coronary artery
Journal
American Journal of Cardiology
Author(s)
Sigwart  U., Grbic  M., Goy  J. J., Kappenberger  L.
ISSN
0002-9149 (Print)
Publication state
Published
Issued date
02/1990
Volume
65
Number
5
Pages
282-6
Notes
Journal Article --- Old month value: Feb 1
Abstract
Left atrial (LA) function was studied in 32 patients during percutaneous transluminal coronary angioplasty of the proximal left anterior descending artery with a dual micromanometer positioned transseptally in the left atrium and in the left ventricle. In 10 patients LA and left ventricular (LV) cineangiography was performed 30 minutes before percutaneous transluminal coronary angioplasty and 30 seconds after the occlusion of the left anterior descending coronary artery. Thirty seconds after left anterior descending occlusion, LV peak systolic pressure decreased from 135 +/- 12 to 106 +/- 9 mm Hg (p less than 0.05) and LV maximum dP/dt decreased from 1,634 +/- 136 to 1,137 +/- 127 mm Hg/s (p less than 0.01). Simultaneously, LA mean pressure increased from 11 +/- 2 to 29 +/- 1 mm Hg (p 177 +/- 13 to 381 +/- 21 mm Hg (p less than 0.001). There was a difference between LV end-diastolic pressure and LA mean pressure of 1.5 mm Hg at rest and 7.8 mm Hg during ischemia and LA pulse pressure increased from 16 +/- 3 to 26 +/- 3 mm Hg (p less than 0.05) together with increase of LA A and V waves peak pressure. LV stroke volume index decreased from 46 +/- 5 to 43 +/- 3 ml/m2 (difference not significant). The LA maximal volume increased from 18 +/- 2 to 29 +/- 3 ml/m2 (p less than 0.001). LA volume before LA contraction increased from 29 +/- 2 to 54 +/- 3 ml/m2 (p less than 0.001).(ABSTRACT TRUNCATED AT 250 WORDS)
Keywords
Adult *Angioplasty, Transluminal, Percutaneous Coronary *Atrial Function Cardiac Volume/physiology Cineangiography Coronary Disease/*physiopathology Female Humans Male Manometry Middle Aged Myocardial Contraction/physiology Stroke Volume/physiology
Pubmed
Web of science
Create date
15/02/2008 11:29
Last modification date
20/08/2019 15:57
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