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Utilization of a pressure sensor guidewire to measure bileaflet mechanical valve gradients: Hemodynamic and echocardiographic sequelae
Author(s) -
Doorey Andrew J.,
Gakhal Mandip,
Pasquale Michael J.
Publication year - 2006
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.20675
Subject(s) - medicine , cardiology , hemodynamics , aortic valve , catheter , mitral valve , angioplasty , radiology
Suspected prosthetic valve dysfunction is a difficult clinical problem, because of the high risk of repeat valvular surgery. Echocardiographic measurements of prosthetic valvular dysfunction can be misleading, especially with bileaflet valves. Direct measurement of trans‐valvular gradients is problematic because of potentially serious catheter entrapment issues. We report a case in which a high‐fidelity pressure sensor angioplasty guidewire was used to cross prosthetic mitral and aortic valves in a patient, with hemodynamic and echocardiographic assessment. This technique was safe and effective, refuting the inaccurate non‐invasive tests that over‐estimated the aortic valvular gradient. © 2006 Wiley‐Liss, Inc.