Heart 2007;93:298-302
REVIEW
Low-gradient aortic valve stenosis: value and limitations of dobutamine stress testing
Department of Cardiology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
Correspondence to:
Dr Javier Bermejo
Department of Cardiology, Hospital General Universitario Gregorio Marañón, Dr Esquerdo 46, 28007 Madrid, Spain; javbermejo{at}jet.es
Aortic valve stenosis has already reached endemic proportions in Western countries. As the prognosis of low-flow aortic valve stenosis under medical treatment is dismal, surgery is recommended in most patients. Preoperative dobutamine stress testing may help to assess surgical risk, but there is no strong scientific evidence to deny surgery based exclusively on the results of this test. The problems associated with clinical decision making in this condition are reviewed.
Abbreviations: EOA, effective orifice area; GOA, geometric orifice area
Keywords: aortic valve stenosis; dobutamine
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