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Meta-Analysis
. 2023 Feb;45(1):17-25.
doi: 10.1007/s11096-022-01513-5. Epub 2022 Nov 11.

Effects of statin use on primary patency, mortality, and limb loss in patients undergoing lower-limb arterial angioplasty: a systematic review and meta-analysis

Stela Karine Braun  1   2 , Daiane Wagner Jorge  3 , Geovani Bortolanza  4 , João Batista Teixeira da Rocha  3
Affiliations
Meta-Analysis

Effects of statin use on primary patency, mortality, and limb loss in patients undergoing lower-limb arterial angioplasty: a systematic review and meta-analysis

Stela Karine Braun et al. Int J Clin Pharm. 2023 Feb.

Abstract

Backgroud: Peripheral arterial disease can progress to critical limb ischemia, which requires revascularization. The endovascular approach is associated with a lower long-term patency due to restenosis resulting from neointimal hyperplasia. Statins offer significant advantages in patients undergoing percutaneous interventions. However, there are few studies on statin therapy associated with improved clinical outcomes after endovascular treatment in this patients.

Aim: This systematic review and meta-analysis examined the effects of statins (in comparison with no statin) on outcomes of lower-limb arterial angioplasty by evaluating patency, amputation and mortality.

Method: We searched MEDLINE, Academic Search Premier and CINAHL using a predetermined search strategy from inception to September 21, 2022. Study selection (first by title and abstract and then by full text) and data extraction was conducted by two independent reviewers. Risk of bias was assessed using the Newcastle-Ottawa Scale. According to data availability, we conducted meta-analysis using RevMan v.5.4.

Results: The search identified 841 relevant articles and included 10 studies with 43,543 patients. Statin use in patients before undergoing lower-limb arterial angioplasty was associated with improved primary patency at 12 (12.57%, 95% confidence interval [CI] 6.86-18.28, p < 0.0001) and 24 months (7.19%, 95% CI 1.02-13.37, p = 0.02), decreased mortality in 39% at 12 months (relative risk (RR): 0.61, 95% CI 0.55-0.74, p < 0.00001) and decreased limb loss in 23% in the studied patients (RR: 0.77, 95% CI 0.65-0.91, p = 0.003).

Conclusion: Statin therapy before the procedure was associated with significantly improved patency and overall survival and decreased limb loss after lower-limb arterial angioplasty.

Keywords: Amputation; Endovascular procedure; HMG-CoA reductase inhibitors; Lower-limb; Mortality; Statins; Vascular patency.

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