Background: The right ventricular (RV) function is an important prognostic marker of asymptomatic aortic stenosis (AS). However, previous publications have not addressed the additive value of conventional RV parameters over left heart parameters. Whether three-dimensional echocardiography (3DE)-derived RV ejection fraction (RVEF) has prognostic utility independent of 3DE derived left heart parameters is also unknown. We investigated the prognostic utility of 3DE RVEF in patients with asymptomatic AS.Methods: We retrospectively selected 392 asymptomatic AS patients. RVEF, left ventricular ejection fraction (LVEF) and left atrial volumes (LAVs) were measured using 3DE datasets. We determined the association of those parameters, as well as of aortic valve replacement (AVR), and Charlson's comorbidity index with cardiac events. We also analyzed whether RVEF has incremental value over two-dimensional echocardiography (2DE) RV parameters.Results: During a median follow-up of 27 months, 57 patients developed cardiac events, and 68 patients received AVR. Univariate Cox proportional hazard analysis revealed that RVEF was associated with cardiac events (p < 0.001). Multivariate analysis revealed that RVEF was significantly associated with cardiac events (p < 0.001) even after adjusting for AVR, Charlson's comorbidity index, LVEF, LAV, E/e', and indexed aortic valve area (iAVA). An incremental value of RVEF over left heart parameters was also demonstrated using a nested regression model. Classification and regression-tree analysis selected RVEF first with a cut-off value of 41%. RVEF had incremental value over iAVA, LVEF, and 2DE conventional RV parameters for its association with future outcomes.Conclusions: 3DE RVEF had significant prognostic value even after adjusting for comorbidities, left heart parameters, and conventional 2DE RV parameters in asymptomatic aortic stenosis.
机构:
Osped Riabilitat Alta Specializzazione, Cardiol Riabilitat, Motta Di Livenza, ItalyOsped Riabilitat Alta Specializzazione, Cardiol Riabilitat, Motta Di Livenza, Italy
Antonini-Canterin, Francesco
Di Nora, Concetta
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Azienda Sanit Univ Integrata Trieste, Cardiol Dept, Trieste, ItalyOsped Riabilitat Alta Specializzazione, Cardiol Riabilitat, Motta Di Livenza, Italy
Di Nora, Concetta
Cervesato, Eugenio
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ARC Osped Pordenone, Cardiol Dept, Pordenone, ItalyOsped Riabilitat Alta Specializzazione, Cardiol Riabilitat, Motta Di Livenza, Italy
Cervesato, Eugenio
Zito, Concetta
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Univ Messina, Cardiol Dept, Messina, ItalyOsped Riabilitat Alta Specializzazione, Cardiol Riabilitat, Motta Di Livenza, Italy
Zito, Concetta
Carerj, Scipione
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Univ Messina, Cardiol Dept, Messina, ItalyOsped Riabilitat Alta Specializzazione, Cardiol Riabilitat, Motta Di Livenza, Italy
Carerj, Scipione
Ravasel, Andreea
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Emergency Inst Cardiovasc Dis Prof CC Iliescu, Bucharest, RomaniaOsped Riabilitat Alta Specializzazione, Cardiol Riabilitat, Motta Di Livenza, Italy
Ravasel, Andreea
Cosei, Iulian
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Emergency Inst Cardiovasc Dis Prof CC Iliescu, Bucharest, RomaniaOsped Riabilitat Alta Specializzazione, Cardiol Riabilitat, Motta Di Livenza, Italy
Cosei, Iulian
Popescu, Andreea Catarina
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Elias Emergency Hosp, Cardiol Dept, Bucharest, Romania
Univ Med & Pharm Carol Davila, Bucharest, RomaniaOsped Riabilitat Alta Specializzazione, Cardiol Riabilitat, Motta Di Livenza, Italy
Popescu, Andreea Catarina
Popescu, Bogdan Alexandru
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Emergency Inst Cardiovasc Dis Prof CC Iliescu, Bucharest, Romania
Univ Med & Pharm Carol Davila, Bucharest, RomaniaOsped Riabilitat Alta Specializzazione, Cardiol Riabilitat, Motta Di Livenza, Italy
Popescu, Bogdan Alexandru
ECHOCARDIOGRAPHY-A JOURNAL OF CARDIOVASCULAR ULTRASOUND AND ALLIED TECHNIQUES,
2018,
35
(12):
: 1909
-
1914
机构:
Univ Occupat & Environm Hlth, Sch Med, Dept Internal Med 2, Kitakyushu, Fukuoka, JapanUniv Occupat & Environm Hlth, Sch Med, Dept Internal Med 2, Kitakyushu, Fukuoka, Japan
Nagata, Yasufumi
Izumo, Masaki
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机构:
St Marianna Univ, Sch Med, Dept Cardiol, Kawasaki, Kanagawa, JapanUniv Occupat & Environm Hlth, Sch Med, Dept Internal Med 2, Kitakyushu, Fukuoka, Japan
Izumo, Masaki
Akashi, Yoshihiro J.
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机构:
St Marianna Univ, Sch Med, Dept Cardiol, Kawasaki, Kanagawa, JapanUniv Occupat & Environm Hlth, Sch Med, Dept Internal Med 2, Kitakyushu, Fukuoka, Japan
Akashi, Yoshihiro J.
Lin, Fen-Chiung
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机构:
Chang Gung Mem Hosp, Linkou Med Ctr, Div Cardiol, Taoyuan, TaiwanUniv Occupat & Environm Hlth, Sch Med, Dept Internal Med 2, Kitakyushu, Fukuoka, Japan
Lin, Fen-Chiung
Otsuji, Yutaka
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Univ Occupat & Environm Hlth, Sch Med, Dept Internal Med 2, Kitakyushu, Fukuoka, JapanUniv Occupat & Environm Hlth, Sch Med, Dept Internal Med 2, Kitakyushu, Fukuoka, Japan