Prognostic importance of a restrictive transmitral filling pattern in patients with symptomatic congestive heart failure and atrial fibrillation - 11/08/11
, Jacob Eifer Møller, MD, DmSci b, Jesper Kjaergaard, MD, PhD b, Dilek Akkan, MD b, Christian Hassager, MD, DmSci b, Christian Torp-Pedersen, MD, DmSci a, Lars Køber, MD, DmSci bon behalf of the EchoCardiography and Heart Outcome Study (ECHOS) investigators
Résumé |
Background |
Restrictive diastolic filling pattern is associated with increased mortality in patients with myocardial infarction and heart failure. Most studies have excluded patients with atrial fibrillation. The aim of the present study was to assess the prognostic value of a restrictive filling pattern in patients with atrial fibrillation.
Methods |
Doppler echocardiography including pulsed wave Doppler assessment of transmitral flow was performed in 880 patients with a clinical diagnosis of heart failure on hospital admission. Filling was considered restrictive when the mitral deceleration time ≤140 milliseconds.
Results |
On admission, 337 (39%) of the patients had atrial fibrillation. Among patients in atrial fibrillation, 170 (50%) had a restrictive filling; and in patients in sinus rhythm, 256 (47%) had restrictive filling (P = .34). During follow-up of median 6.7 years (range 5.3-7.8), 564 patients died (64%). Mortality was significantly higher in patients with a restrictive filling pattern irrespective of atrial fibrillation or sinus rhythm (P < .001). In a multivariable model only including patients in atrial fibrillation, a restrictive filling pattern remained a significant predictor of all-cause mortality (hazard ratio 1.79, 95% CI 1.24-2.58, P =.002).
Conclusions |
In a heterogeneous population hospitalized for symptomatic heart failure, a restrictive transmitral filling pattern during hospitalization is an ominous prognostic sign also in patients presenting with atrial fibrillation.
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Vol 158 - N° 6
P. 983-988 - décembre 2009 Retour au numéro
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