Aim: To determine the risk factors related to hemorrhagic transformation in Chinese patients with acute ischemic stroke treated with intravenous thrombolysis. Methods: Studies published in different languages were retrieved by systematically searching PubMed, EMBASE, Vip, CNKI, and WanFang Data from the establishment of the library to December 31, 2018, as well as manually examining the references of the original articles. The outcome measures of efficacy covered risk factors. Safety evaluation was measured by relative ratio of complications. Results: A total of 36 studies involving 5597 participants were covered in this meta-analysis. The results indicated that age [WMD = 2.44, 95% CI (1.39,3.48)], male [OR = 1.21, 95% CI (1.02, 1.44)], diabetes [OR = 2.05, 95%CI (1.72,2.44)], atrial fibrillation [OR = 2.85, 95%CI (2.40, 3.39)], previous stroke [OR = 1.8, 95%CI (1.33, 2.44)], onset to treatment time (OTT) [WMD = 3.74, 95%CI (2.91, 4.58)], National Institute of Health stroke scale scores (NIHSS) [WMD = 4.17, 95% CI (3.37, 4.97)], infarct size [WMD = 4.11, 95% CI (3.15, 5.37)], ischemic signs of computed tomography (CT) [OR = 3.49, 95%CI (2.47, 4.93)] were associated with increased risk of hemorrhagic transformation after intravenous thrombolysis. Conclusion: The systematic review showed that male, age, diabetes, NIHSS, OTT, atrial fibrillation, post stroke, infarct size, and ischemic signs of CT were significantly correlated with hemorrhagic transformation (HT). PROSPERO Registration number: CRD42019127499.
IntroductionDespite the continuous improvement in modern medical treatment, stroke is still a leading cause of death and disability worldwide. How to effectively improve the survival rate and reduce disability in patients who had a stroke has become the focus of many investigations. Recent findings concerning the benefits of glibenclamide as a neuroprotective drug have initiated a new area for prospective studies on the effects of sulfonylureas. Given the high mortality and disability associated with stroke, it is essential to weigh the benefits of neuroprotective drugs against their safety. Therefore, the objective of the current study is to conduct a systematic review using meta-analysis to assess the benefits and safety of glibenclamide as a neuroprotective drug.Methods and analysisThis study will analyse randomised clinical trials (RCTs) and observational studies published up to 31 December 2020 and include direct or indirect evidence. Studies will be retrieved by searching PubMed, EMBASE, Web of Science, the Cochrane Library and China National Knowledge Infrastructure (CNKI) and WanFang Databases. The outcomes of this study will be mortality, scores from the Modified Rankin Scale and the occurrence of hypoglycaemic events. The risk of bias will be assessed using the Cochrane risk of bias assessment instrument for RCTs. A random-effect/fixed-effect model will be used to summarise the estimates of the mean difference/risk ratio using a 95% CI.Ethics and disseminationThis meta-analysis is a secondary research project, which is based on previously published data. Therefore, ethical approval and informed consent were not required for this meta-analysis. The results of this study will be submitted to a peer-reviewed journal for publication.PROSPERO registration numberCRD42020144674.
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