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dc.contributor.authorEngland, Tim
dc.date.accessioned2020-07-15T14:38:47Z
dc.date.available2020-07-15T14:38:47Z
dc.date.issued2020-06
dc.identifier.citationJ Cereb Blood Flow Metab. 2020 Jun 14:271678X20924077. doi: 10.1177/0271678X20924077. [Epub ahead of print]en
dc.identifier.urihttps://orda.derbyhospitals.nhs.uk/handle/123456789/2242
dc.descriptionAuthor(s) pre or post print version onlyen
dc.description.abstractRemote ischaemic conditioning (RIC) is achieved by repeated transient ischaemia of a distant organ/limb and is neuroprotective in experimental ischaemic stroke. However, the optimal time and methods of administration are unclear. Systematic review identified relevant preclinical studies; two authors independently extracted data on infarct volume, neurological deficit, RIC method (administration time, site, cycle number, length of limb occlusion (dose)), species and quality. Data were analysed using random effects models; results expressed as standardised mean difference (SMD). In 57 publications incorporating 99 experiments (1406 rats, 101 mice, 14 monkeys), RIC reduced lesion volume in transient (SMD -2.0; 95% CI -2.38, -1.61; p < 0.00001) and permanent (SMD -1.54; 95% CI -2.38, -1.61; p < 0.00001) focal models of ischaemia and improved neurological deficit (SMD -1.63; 95% CI -1.97, -1.29, p < 0.00001). In meta-regression, cycle length and number, dose and limb number did not interact with infarct volume, although country and physiological monitoring during anaesthesia did. In all studies, RIC was ineffective if the dose was <10 or ≥50 min. Median study quality was 7 (range 4-9/10); Egger's test suggested publication bias (p < 0.001). RIC is most effective in experimental stroke using a dose between 10 and 45 min. Further studies using repeated dosing in animals with co-morbidities are warranted.en
dc.language.isoenen
dc.subjectIschaemic Strokeen
dc.titleA meta-analysis of remote ischaemic conditioning in experimental stroke.en
dc.typeArticleen


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