RT Journal Article SR Electronic T1 Medium-term systemic blood pressure after stenting of aortic coarctation: a systematic review and meta-analysis JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1464 OP 1470 DO 10.1136/heartjnl-2019-314965 VO 105 IS 19 A1 Timion A Meijs A1 Evangeline G Warmerdam A1 Martijn G Slieker A1 Gregor J Krings A1 Mirella M C Molenschot A1 Folkert J Meijboom A1 Gertjan T Sieswerda A1 Pieter A Doevendans A1 Berto J Bouma A1 Robbert J de Winter A1 Barbara J M Mulder A1 Michiel Voskuil YR 2019 UL http://heart.bmj.com/content/105/19/1464.abstract AB Objective Long-term prognosis of patients with coarctation of the aorta (CoA) is impaired due to the high prevalence of hypertension and consequent cardiovascular complications. Although stent implantation results in acute anatomical and haemodynamic benefit, limited evidence exists regarding the late clinical outcome. In this meta-analysis, we aimed to evaluate the medium-term effect of stent placement for CoA on systemic blood pressure (BP).Methods PubMed, EMBASE and Cochrane databases were searched for non-randomised cohort studies addressing systemic BP ≥12 months following CoA stenting. Meta-analysis was performed on the change in BP from baseline to last follow-up using a random-effects model. Subgroup analyses and meta-regression were conducted to identify sources of heterogeneity between studies.Results Twenty-six studies with a total of 1157 patients and a median follow-up of 26 months were included for final analysis. Meta-analysis showed a 20.3 mm Hg (95% CI 16.4 to 24.1 mm Hg; p<0.00001) reduction in systolic BP and an 8.2 mm Hg (12 studies; 95% CI 5.2 to 11.3 mm Hg; p<0.00001) reduction in diastolic BP. A concomitant decrease in the use of antihypertensive medication was observed. High systolic BP and peak systolic gradient at baseline and stenting of native CoA were associated with a greater reduction in systolic BP at follow-up.Conclusions Stent implantation for CoA is associated with a significant decline in systolic and diastolic BP during medium-term follow-up. The degree of BP reduction appears to be dependent on baseline systolic BP, baseline peak systolic gradient, and whether stenting is performed for native or recurrent CoA.