Published online before print July 11, 2005, doi: 10.1161/CIRCULATIONAHA.104.519876
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(Circulation. 2005;112:357-363.)
© 2005 American Heart Association, Inc.
Heart Failure |
Statin Therapy May Be Associated With Lower Mortality in Patients With Diastolic Heart Failure
A Preliminary Report
From the Cardiology Section, Wake Forest University School of Medicine, Winston-Salem, NC.
Correspondence to William C. Little, MD, Cardiology Section, Wake Forest University School of Medicine, Medical Center Blvd, Winston-Salem, NC 27157-1045. E-mail wlittle{at}wfubmc.edu
Received November 5, 2004; revision received March 3, 2005; accepted March 17, 2005.
Background— No therapy has been shown to improve survival in heart failure (HF) with a normal ejection fraction (EF). There are plausible reasons to hypothesize that statins may be of benefit in HF with a normal EF.
Methods and Results— We evaluated 137 patients with HF and an EF 
0.50. The effect of treatment received at study entry on survival was determined. During a follow-up of 21±12 months, 20 deaths were observed. Treatment with an ACE inhibitor or receptor blocker, ß-blocker, or calcium blocker had no significant effect on survival. In contrast, treatment with a statin was associated with a substantial improvement in survival (relative risk of death [95% CI] 0.22 [0.07 to 0.64]; P=0.006). Patients receiving statins had higher baseline LDL cholesterol than those not receiving statins (153±45 versus 98±33 mg/dL, P<0.01). After statin therapy, LDL cholesterol levels fell to a similar level (101±32 mg/dL) as in patients not receiving statins (98±33 mg/dL). After adjustment for differences in baseline clinical variables between groups (hypertension, diabetes, coronary artery disease, and serum creatinine), statin therapy was associated with lower mortality (adjusted relative risk of death [95% CI] 0.20 [0.06 to 0.62]; P=0.005). Similarly, after propensity matching, statin therapy was associated with improved survival (log-rank 6.12; P=0.013) and a trend toward improved survival without cardiovascular hospitalization (log-rank 3.02; P=0.082).
Conclusions— Statin therapy may be associated with improved survival in patients with HF and a normal EF.
Key Words: heart failure • diastole • statins • survival
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