Objective:The aim of this systematic review and meta-analysis was to provide evidence that biomarkers of large artery atherosclerosis,including arterial stenosis and greater carotid intima-media thickness(cIMT),may se...Objective:The aim of this systematic review and meta-analysis was to provide evidence that biomarkers of large artery atherosclerosis,including arterial stenosis and greater carotid intima-media thickness(cIMT),may serve as clinical markers of subclinical haemorrhage-prone cerebral small vessel disease,reflected by cerebral microbleeds(CMBs).Methods:We searched PubMed,MEDLINE,Web of Science,EMBASE and the Cochrane Library to identify relevant studies published before 1 July 2016.The association between arterial stenosis and CMBs was estimated by the OR and 95%CI.The association of cIMT and CMBs was calculated using the standardised mean difference(SMD).Heterogeneity and publication bias were explored.Results:8 studies including a total of 7160 participants were pooled in the meta-analysis.6 of the included studies were cross-sectional,except that 2 were prospective.We found a significant association between arterial stenosis>50%and the presence of CMBs(OR 1.95,95%CI 1.13 to 3.36,I2=56.1%).A fixed-effects model suggested that patients with CMBs were more likely to have a greater cIMT(SMD 0.20,95%CI 0.11 to 0.28,I2=24.7%).Conclusions:This systematic review and metaanalysis found that there is a relationship between large artery atherosclerosis and CMBs.Future studies are needed to confirm the impact of atherosclerosis on the CMBs,which may have potential therapeutic implications.展开更多
基金the National Natural Science Foundation of China(grant number 81471206)the Beijing Natural Science Foundation(grant number 7152121).
文摘Objective:The aim of this systematic review and meta-analysis was to provide evidence that biomarkers of large artery atherosclerosis,including arterial stenosis and greater carotid intima-media thickness(cIMT),may serve as clinical markers of subclinical haemorrhage-prone cerebral small vessel disease,reflected by cerebral microbleeds(CMBs).Methods:We searched PubMed,MEDLINE,Web of Science,EMBASE and the Cochrane Library to identify relevant studies published before 1 July 2016.The association between arterial stenosis and CMBs was estimated by the OR and 95%CI.The association of cIMT and CMBs was calculated using the standardised mean difference(SMD).Heterogeneity and publication bias were explored.Results:8 studies including a total of 7160 participants were pooled in the meta-analysis.6 of the included studies were cross-sectional,except that 2 were prospective.We found a significant association between arterial stenosis>50%and the presence of CMBs(OR 1.95,95%CI 1.13 to 3.36,I2=56.1%).A fixed-effects model suggested that patients with CMBs were more likely to have a greater cIMT(SMD 0.20,95%CI 0.11 to 0.28,I2=24.7%).Conclusions:This systematic review and metaanalysis found that there is a relationship between large artery atherosclerosis and CMBs.Future studies are needed to confirm the impact of atherosclerosis on the CMBs,which may have potential therapeutic implications.
