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Fig. 2 | BMC Cardiovascular Disorders

Fig. 2

From: Going beyond classic echo in aortic stenosis: left atrial mechanics, a new marker of severity

Fig. 2

ROC analysis curves for discriminating mAS versus sAS. LA mechanics was a better discriminator of AS severity. LV-GLS vs global strain, P = 0.009; LV-GLS vs LA ɛa, P = 0.004; LV-GLS vs LA ɛe, P = 0.001; LV-GLS vs LA ɛsys, P < 0.001; global strain vs E/e’ ratio, p = 0.001; LA ɛa vs LA ɛsys, P = 0.038; LA ɛa vs E/e’ ratio, P = 0.003; LA ɛe vs E/e’ ratio, P = 0.001; LA ɛsys vs E/e’ ratio, P < 0.001; LV-GLS vs E/e’ ratio, NS; global strain vs LA ɛe, NS; global strain vs LA ɛa, NS; global strain vs LA ɛsys, NS; LA ɛa vs LA ɛe, NS; LA ɛe vs LA ɛsys, NS. LA ɛsys, left atrial systolic strain (reservoir function); LA ɛe, left atrial early diastolic strain (conduit function); LA ɛa, left atrial late diastolic strain (contractile function); LV-GLS, left ventricular global longitudinal strain; mAS, moderate aortic stenosis; sAS, severe aortic stenosis

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