NPPB and cerebrovascular disorder: NT-pro BNP, a fractured fragment of BNP, is featured by long half-life period and easy detection compared to BNP.11 Studies have found that NT-pro BNP has important significance in cerebrovascular diseases.12,13 In this study, the level of NT-pro BNP of the observation group was significantly higher than that of the control group, which was consistent with the results of the current studies.