Efficacy of Statin Therapy in Pulmonary Arterial Hypertension: A Systematic Review and Meta-Analysis

M. Rysz-Górzynska, A. Gluba-Brzózka, Amirhossein Sahebkar, M.C. Serban, D.P. Mikhailidis, S. Ursoniu, P.P. Toth, V. Bittner, Gerald F. Watts, G.Y.H. Lip, J. Rysz, A.L. Catapano, M.I. Banach

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    Abstract

    Since the evidence regarding statin therapy in PAH has not been conclusive, we assessed the impact of statin therapy in PAH through a systematic review and meta-analysis of available studies. We searched selected databases up to August 1, 2015 to identify the studies investigating the effect of statin administration on PAH. Meta-analysis was performed using either a fixed-effects or random-effect model according to I 2 statistic. Meta-analysis of 8 studies with 665 patients did not suggest any significant improvement in 6-min walking distance (6MWD) by statin therapy (weighed mean difference [WMD]:-6.08 m, 95% confidence interval [CI]:-25.66, 13.50, p = 0.543; Q = 8.41, I 2 = 28.64%). Likewise, none of the other indices including pulmonary arterial pressure (WMD:-0.97 mmHg, 95%CI:-4.39, 2.44, p = 0.577; Q = 14.64, I 2 = 79.51%), right atrial pressure (WMD: 1.01 mmHg, 95%CI:-0.93, 2.96, p = 0.307; Q = 44.88, I2 = 95.54%), cardiac index (WMD: 0.05 L/min/m2, 95%CI:-0.05, 0.15, p = 0.323; Q = 3.82, I 2 = 21.42%), and pulmonary vascular resistance (WMD:-1.42 dyn∗s/cm5, 95%CI:-72.11, 69.27, p = 0.969; Q = 0.69, I2 = 0%) was significantly altered by statin therapy. In conclusion, the results of the meta-analysis did not show a statistically significant effect of statin therapy in the improvement of 6MWD, pulmonary arterial pressure, right atrial pressure, cardiac index and pulmonary vascular resistance.
    Original languageEnglish
    Pages (from-to)10
    Number of pages10
    JournalScientific Reports
    Volume6
    DOIs
    Publication statusPublished - 2016

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