2021
DOI: 10.3390/jcm10092004
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Cardiac Autonomic Response to Active Standing in Calcific Aortic Valve Stenosis

Abstract: Aortic stenosis is a progressive heart valve disorder characterized by calcification of the leaflets. Heart rate variability (HRV) analysis has been proposed for assessing the heart response to autonomic activity, which is documented to be altered in different cardiac diseases. The objective of the study was to evaluate changes of HRV in patients with aortic stenosis by an active standing challenge. Twenty-two volunteers without alterations in the aortic valve (NAV) and twenty-five patients diagnosed with mode… Show more

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Cited by 8 publications
(19 citation statements)
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“…The number of participants recruited in the present study was similar to several relevant previous studies [ 14 , 63 , 64 ]. Our sample is relatively small, due to the very strict inclusion and exclusion criteria, which may restrict the generalization of our findings but on the other hand may improve the internal validity of the results.…”
Section: Discussionsupporting
confidence: 70%
“…The number of participants recruited in the present study was similar to several relevant previous studies [ 14 , 63 , 64 ]. Our sample is relatively small, due to the very strict inclusion and exclusion criteria, which may restrict the generalization of our findings but on the other hand may improve the internal validity of the results.…”
Section: Discussionsupporting
confidence: 70%
“…En otro estudio publicado en el año 2021 [35] De acuerdo con el análisis de regresión lineal múltiple, el RRmedio fue un factor asociado con las diferencias pNN20 y RMSSD; y al mismo tiempo tanto el RRmedio como si se tenía la condición de EVA fueron factores independientes asociados con las diferencias LFn, HFn y 1.…”
Section: Vfc Y Evaunclassified
“…Además, los registros de ECG que habían sido utilizados en dichos estudios eran en general registros Holter de 24 h, excepto en [36], [39], [35] y [40]. En este último los registros fueron separados por su longitud, por lo que las interpretaciones de los resultados no podían atribuirse únicamente a cambios en la actividad autonómica; es decir, que los pacientes presentaban diferencias con relación al estrés, ciclos circadianos y la actividad física, entre otros factores, que no son controlados en los estudios ambulatorios como el Holter.…”
Section: Recapitulaciónunclassified
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