Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12857/183019
Title: The right parasternal window: when Doppler-beam alignment may be life-saving in patients with aortic valve stenosis
Authors: Benfari, Giovanni 
Mantovani, Francesca
Romero-Brufau, Santiago
Setti, Martina
Rossi, Andrea
Ribichini, Flavio L
Nistri, Stefano
Clavel, Marie-Annick
Issue Date: Oct-2020
Journal: Journal of cardiovascular medicine (Hagerstown, Md.) 
Abstract: 
: The need for multiple transducer positions, especially from right parasternal windows, is consistently mentioned in the recommendations for the accurate measurement of peak velocities across a stenotic aortic valve, but yet poorly adopted.We performed a subanalysis of the largest prospective series on the right parasternal acoustic windows in patients with aortic stenosis (330 consecutive) to calculate the degree of misalignment and estimate the potential outcome implication of this often-forgotten approach.The right parasternal view was highly feasible with an average estimated misalignment from the apical view of 14 ± 16 degree; in 10 cases, an estimated misalignment >40 degree. Right parasternal assessment (vs. apical alone) provided a significant reclassification from moderate to severe or even very-severe aortic valve stenosis. Considering a wellestablished survival benefit provided by either percutaneous or surgical valve replacement in patients with severe aortic stenosis the reclassification would result in approximately 1 life-year saved for every 30-35 patients in whom parasternal view were effectively utilized.
URI: http://hdl.handle.net/20.500.12857/183019
DOI: 10.2459/JCM.0000000000000971
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