Left atrial remodelling in patients with myocardial infarction complicated by heart failure, left ventricular dysfunction, or both: the VALIANT Echo Study

被引:110
作者
Meris, Alessandra [1 ]
Amigoni, Maria [1 ]
Uno, Hajime [2 ]
Thune, Jens Jakob [1 ]
Verma, Anil [1 ]
Kober, Lars [3 ]
Bourgoun, Mikhail [1 ]
McMurray, John J. [4 ]
Velazquez, Eric J. [5 ]
Maggioni, Aldo P. [6 ]
Ghali, Jalal [7 ]
Arnold, J. Malcolm O. [8 ]
Zelenkofske, Steven [9 ]
Pfeffer, Marc A. [1 ]
Solomon, Scott D. [1 ]
机构
[1] Brigham & Womens Hosp, Div Cardiovasc, Boston, MA 02115 USA
[2] Harvard Univ, Sch Publ Hlth, Boston, MA 02115 USA
[3] Univ Copenhagen, Rigshosp, DK-2100 Copenhagen, Denmark
[4] Univ Glasgow, Western Infirm, Glasgow G11 6NT, Lanark, Scotland
[5] Duke Univ, Med Ctr, Durham, NC USA
[6] ANMCO Res Ctr, Florence, Italy
[7] Cardiac Ctr Louisiana, Shreveport, LA USA
[8] London Hlth Sci Ctr, E London, ON, Canada
[9] Novartis Pharmaceut, E Hanover, NJ USA
关键词
MITRAL DECELERATION TIME; DOPPLER-ECHOCARDIOGRAPHY; PROGNOSTIC-SIGNIFICANCE; REGURGITATION; SIZE; VALSARTAN; VOLUME; DISEASE; QUANTIFICATION; POPULATION;
D O I
10.1093/eurheartj/ehn499
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
To assess the relationship between left atrial (LA) size and outcome after high-risk myocardial infarction (MI) and to study dynamic changes in LA size during long-term follow-up. The VALIANT Echocardiography study prospectively enrolled 610 patients with left ventricular (LV) dysfunction, heart failure (HF), or both following MI. We assessed LA volume indexed to body surface area (LAVi) at baseline, 1 month, and 20 months after MI. Baseline LAVi was an independent predictor of all-cause death or HF hospitalization (P = 0.004). In patients who survived to 20 months, LAVi increased a mean of 3.00 +/- 7.08 mL/m(2) from baseline. Hypertension, lower estimated glomerular filtration rate, and LV mass were the only baseline independent predictors of LA remodelling. Changes in LA size were related to worsening in MR and increasing in LV volumes. LA enlargement during the first month was significantly greater in patients who subsequently died or were hospitalized for HF than in patients without events. Baseline LA size is an independent predictor of death or HF hospitalization following high-risk MI. Moreover, LA remodelling during the first month after infarction is associated with adverse outcome.
引用
收藏
页码:56 / 65
页数:10
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