Statins in the Treatment of Chronic Heart Failure: A Systematic Review
Author Information
Author(s): van der Harst Pim, Voors Adriaan A, van Gilst Wiek H, Böhm Michael, van Veldhuisen Dirk J
Primary Institution: University Medical Center Groningen
Hypothesis
What evidence is available as to whether it is beneficial for patients with heart failure to have low cholesterol, and what evidence is there that prescribing statins helps these patients?
Conclusion
The effect of statin therapy in chronic heart failure patients remains to be established due to their systematic exclusion from clinical trials.
Supporting Evidence
- 47 randomized controlled trials on statins excluded CHF patients.
- Lower cholesterol levels were associated with increased mortality in CHF patients.
- 18 studies suggested favorable outcomes for statins in CHF, but were not randomized controlled trials.
Takeaway
This study looked at whether statins help people with heart failure, but found that most studies didn't include these patients, so we don't really know if they work for them.
Methodology
Three systematic literature searches were conducted to assess the evidence supporting the prescription of statins in CHF.
Potential Biases
The studies may be biased due to the characteristics of patients who were prescribed statins and the timing of the studies relative to other treatments.
Limitations
The study is limited by the exclusion of CHF patients from most statin trials and potential publication bias in the studies reviewed.
Participant Demographics
The majority of CHF patients studied were older adults, with many over 65 years of age.
Statistical Information
P-Value
0.01
Confidence Interval
95% CI 0.63–0.90
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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