1. Doppler‐Detected Valve Movement in Aortic Stenosis: A Predictor of Adverse Outcome
- Author
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Ren, Xiushui, Banki, Nader M, Shaw, Richard E, McNulty, Edward J, Williams, Sherry C, Pencina, Michael, and Schiller, Nelson B
- Subjects
Biomedical and Clinical Sciences ,Cardiovascular Medicine and Haematology ,Clinical Sciences ,Clinical Research ,Cardiovascular ,Aged ,Analysis of Variance ,Aortic Valve ,Aortic Valve Stenosis ,Blood Flow Velocity ,Echocardiography ,Doppler ,Female ,Heart Auscultation ,Heart Failure ,Heart Valve Prosthesis ,Humans ,Male ,Retrospective Studies ,Severity of Illness Index ,Cardiorespiratory Medicine and Haematology ,Cardiovascular System & Hematology ,Cardiovascular medicine and haematology - Abstract
BackgroundThe absence of auscultatory aortic valve closure sound is associated with severe aortic stenosis. The absence of Doppler-derived aortic opening (Aop ) or closing (Acl ) may be a sign of advanced severe aortic stenosis.HypothesisAbsent Doppler-detected Aop or Acl transient is indicative of very severe aortic stenosis and is associated with adverse outcome.MethodsA total of 118 consecutive patients with moderate (n = 63) or severe aortic stenosis (n = 55) were included. Aop and Acl signals were identified in a blinded fashion by continuous-wave Doppler. Patients with and without Aop and Acl were compared using χ(2) test for dichotomous variables and analysis of variance for continuous variables. The associations of Aop and Acl with aortic valve replacement were determined.ResultsAop or Acl were absent in 22 of 118 patients. The absence of Aop or Acl was associated with echocardiographic parameters of severe aortic stenosis. The absence of Aop or Acl was associated with incident aortic valve replacement (36.4% vs 7.3%, respectively, P < 0.001). Even in patients with aortic valve area
- Published
- 2014