Contemporary Outcomes in Low-Gradient Aortic Stenosis Patients Who Underwent Dobutamine Stress Echocardiography.
Aged
Aged, 80 and over
Aortic Valve
/ diagnostic imaging
Aortic Valve Stenosis
/ diagnosis
Cardiotonic Agents
/ pharmacology
Dobutamine
/ pharmacology
Echocardiography, Stress
/ methods
Female
Follow-Up Studies
Humans
Male
Prognosis
Reproducibility of Results
Retrospective Studies
Risk Factors
Severity of Illness Index
Stroke Volume
/ physiology
Transcatheter Aortic Valve Replacement
Ventricular Function, Left
/ physiology
aortic stenosis
dobutamine stress echocardiography
flow reserve
surgical aortic valve replacement
transcatheter aortic valve replacement
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:
19 03 2019
19 03 2019
Historique:
entrez:
19
3
2019
pubmed:
19
3
2019
medline:
21
7
2020
Statut:
ppublish
Résumé
Background Detection of flow reserve ( FR ) by dobutamine stress echocardiography is used for risk stratification in low-gradient aortic stenosis ( AS ). Prognostic significance of dobutamine stress echocardiography in the transcatheter aortic valve replacement era is unclear. We aimed to assess the current relevance of FR . Methods and Results We studied 235 patients with low-gradient severe AS (rest aortic valve area ≤1.0 cm
Identifiants
pubmed: 30879370
doi: 10.1161/JAHA.118.011168
pmc: PMC6475055
doi:
Substances chimiques
Cardiotonic Agents
0
Dobutamine
3S12J47372
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e011168Commentaires et corrections
Type : CommentIn
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