Abstract:【Objective】To systematically evaluate the difference between invasive blood pressure and non-invasive blood pressure monitoring in critically ill children. 【Methods】We used online resources of PubMed, The Cochrane Library, EMbase, VlP, WanFang Data, CNKI database to search and collect clinical randomized controlled studies of invasive blood pressure and non-invasive blood pressure monitoring in critically ill children. The search time range was from January 1, 2000 to December 31, 2020. Two researchers independently screened the literature, extracted data, and evaluated the risk of bias in the included studies, and then used Revman5.3 software for Meta-analysis. 【Results】A total of 16 original documents were included. In all studies, case selection, inspection methods, reference standards, case procedures and progress showed that the overall quality of the literature was high. The results of Meta-analysis were as follows: systolic blood pressure's WMD=-0.32 mmHg, 95%CI=-0.59~-0.06, the difference was statistically significant (P<0.05), which indicated that the invasive method for systolic blood pressure was higher than the noninvasive method for critically ill children. On the other hand, diastolic blood pressure's WMD=0mmHg, 95%CI= -0.25~0.26, the difference was not statistically significant (P>0.05).The mean arterial pressure WMD=-0.16 mmHg, 95%CI=-0.40~0.09. The difference is not statistically significant (P>0.05).【Conclusion】Invasive blood pressure can reflect the blood pressure of critically ill children in a timely manner, but it need more samples and studies to confirm the result.
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