Revisiting and Implementing the Weber and Ventilatory Functional Classifications in Heart Failure by Cardiopulmonary Imaging Phenotyping.
Aged
Cardiac Output
/ physiology
Diagnostic Imaging
/ methods
Echocardiography
/ methods
Exercise
/ physiology
Female
Heart Failure
/ classification
Humans
Lung
/ physiopathology
Male
Middle Aged
Oxygen Consumption
Prognosis
Pulmonary Ventilation
/ physiology
Rest
/ physiology
Retrospective Studies
Ventricular Function, Left
/ physiology
VE/VCO2 slope
exercise gas exchange
peak VO2
Journal
Journal of the American Heart Association
ISSN: 2047-9980
Titre abrégé: J Am Heart Assoc
Pays: England
ID NLM: 101580524
Informations de publication
Date de publication:
02 2021
02 2021
Historique:
pubmed:
23
2
2021
medline:
15
10
2021
entrez:
22
2
2021
Statut:
ppublish
Résumé
Background In heart failure, the exercise gas exchange Weber (A to D) and ventilatory classifications (VC-1 to VC-4) historically define disease severity and prognosis. However, their applications in the modern heart failure population of any left ventricular ejection fraction combined with hemodynamics are undefined. We aimed at revisiting and implementing these classifications by cardiopulmonary exercise testing imaging. Methods and Results 269 patients with heart failure with reduced (n=105), mid-range (n=88) and preserved (n=76) ejection fraction underwent cardiopulmonary exercise testing imaging, primarily assessing the cardiac output (CO), mitral regurgitation, and mean pulmonary arterial pressure (mPAP)/CO slope. Within both classes, a progressively lower exercise CO, higher mPAP/CO slopes, and mitral regurgitation (
Identifiants
pubmed: 33615821
doi: 10.1161/JAHA.120.018822
pmc: PMC8174289
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
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