Assessment of Renal Artery Stenosis Severity by Pressure Gradient Measurements

Assessment of Renal Artery Stenosis Severity by Pressure Gradient Measurements Bernard De Bruyne, Ganesh Manoharan, Nico H. J. Pijls, Katia Verhamme, Juraj Madaric, Jozef Bartunek, Marc Vanderheyden, Guy R. Heyndrickx To define “significant” renal artery stenosis, graded stenoses were created by pro...

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Published in:Journal of the American College of Cardiology 2006-11, Vol.48 (9), p.1851-1855
Main Authors: De Bruyne, Bernard, Manoharan, Ganesh, Pijls, Nico H.J., Verhamme, Katia, Madaric, Juraj, Bartunek, Jozef, Vanderheyden, Marc, Heyndrickx, Guy R.
Format: Article
Language:English
Subjects:
Aged
Angioplasty
Blood Pressure - physiology
Cardiology
Cardiovascular disease
Catheterization - methods
Coronary vessels
Female
Flow velocity
Humans
Hypertension
Hypertension, Renovascular - diagnosis
Hypertension, Renovascular - physiopathology
Intubation
Male
Medical imaging
Patients
Plasma
Renal Artery Obstruction - diagnosis
Renal Artery Obstruction - physiopathology
Severity of Illness Index
Ultrasonography, Doppler, Color - methods
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Summary:Assessment of Renal Artery Stenosis Severity by Pressure Gradient Measurements Bernard De Bruyne, Ganesh Manoharan, Nico H. J. Pijls, Katia Verhamme, Juraj Madaric, Jozef Bartunek, Marc Vanderheyden, Guy R. Heyndrickx To define “significant” renal artery stenosis, graded stenoses were created by progressive balloon inflation after stenting of a mild renal stenosis. Stenosis was expressed as the ratio of distal pressure (Pd) to aortic pressure (Pa). Renin was measured in the aorta and in both renal veins. For a Pd/Paratio >0.90, renin did not increase. Only for Pd/Pa
ISSN:0735-1097
1558-3597
DOI:10.1016/j.jacc.2006.05.074