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Archives of cardiovascular diseases
Volume 110, n° 8-9
pages 466-474 (août 2017)
Doi : 10.1016/j.acvd.2016.12.009
Received : 12 May 2016 ;  accepted : 15 December 2016
Relationship between exercise pressure gradient and haemodynamic progression of aortic stenosis
Relation entre l’évolution du gradient à l’exercice et la progression hémodynamique de la sténose aortique
 

Figure 1




Figure 1 : 

Scatterplot showing the absence of relationship between resting mean pressure gradient (MPG) and exercise-induced changes in MPG.


Figure 2




Figure 2 : 

Individual values of resting mean pressure gradient (MPG – A) and aortic jet velocity (Vmax – B) at baseline and follow-up.


Figure 3




Figure 3 : 

Median annualised changes in resting mean pressure gradient (MPG – A) and aortic jet velocity (Vmax – B) in patients with an exercise Δ MPG20mmHg as compared with those with an exercise Δ MPG<20mmHg in the overall study population.


Figure 4




Figure 4 : 

Median annualised changes in resting mean pressure gradient (MPG – A) and aortic jet velocity (Vmax – B) in patients with an exercise Δ MPG20mmHg as compared with those with an exercise Δ MPG<20mmHg in the subgroup of patients with moderate aortic stenosis.


Figure 5




Figure 5 : 

Showing the case of a study patient with moderate AS, with a large exercise Δ MPG at baseline and subsequent rapid progression of AS during follow-up.

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