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Published on: February 4, 2021
Do statins slow the progression of aortic valve stenosis?
Christos E Tourmousoglou1, Spiros Lalos, Themistokles Psarros
1Department of Cardiothoracic Surgery, Hippocratio General Hospital, Athens, Greece. christostourmousoglou@hotmail.com <christostourmousoglou@hotmail.com>
Insights
Statins show conflicting results in slowing aortic valve stenosis progression. While some studies suggest a benefit, others show no effect, indicating more research is needed.
Area of Science:
- Cardiovascular Surgery
- Pharmacology
- Clinical Evidence Synthesis
Background:
- Aortic valve stenosis (AVS) is a progressive condition requiring effective therapeutic strategies.
- Statins are widely used for lipid management, but their role in AVS progression is debated.
Purpose of the Study:
- To evaluate the efficacy of statin therapy in slowing the progression of aortic valve stenosis.
- To synthesize the best available evidence regarding statins and AVS.
Main Methods:
- A systematic search identified 226 relevant papers, from which twelve were selected as the best evidence.
- Data from retrospective and prospective studies, including one randomized controlled trial, were analyzed.
Main Results:
- Conflicting results were observed across the twelve studies.
- Ten retrospective and one prospective study suggested statins slow hemodynamic progression.
- One retrospective and one randomized controlled trial found no effect on calcific aortic stenosis progression or regression.
Conclusions:
- Current evidence on statins for aortic valve stenosis is discrepant, with unclear links to lipid levels or other mechanisms.
- While not strong enough to alter clinical practice, ongoing large randomized controlled trials (ASTRONOMER, SEAS) will provide crucial future insights.
Abstract:
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether therapy with statins significantly slows the progression of aortic valve stenosis. Altogether 226 papers were found using the reported search, of which twelve represented the best evidence to answer the clinical question. The authors, journal, date, country of publication, patient group studied, study type, relevant outcomes and results of these papers are tabulated. The results of the reported studies provided conflicting results. There are twelve studies. Ten retrospective studies and one prospective had been promising with a slower rate of hemodynamic progression in patients taking statins. One retrospective and one randomized controlled trial did not halt the progression of calcific aortic stenosis or induce its regression. The data are discrepant as to whether this effect is related to serum lipid levels or to other effects of statins. While the data are not yet strong enough to change clinical practice, two large randomized controlled trials (ASTRONOMER and SEAS) which have recruited 272 and 1873 patients, respectively, will provide important new evidence in this area in the near future.
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