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Association of postoperative covert stroke and cognitive dysfunction among elderly patients undergoing non-cardiac surgery: protocol for a prospective cohort study (PRECISION study).


ABSTRACT: INTRODUCTION:The incidence of covert stroke and cognitive dysfunction has gradually increased due to an ageing population. Recently, a prospective cohort study reported perioperative covert stroke was associated with an increased risk of postoperative cognitive dysfunction (POCD) 1?year after non-cardiac surgery. However, the mechanism remains unclear. METHODS AND ANALYSIS:This is a prospective observational trial aiming to investigate the cumulative incidence of perioperative covert stroke and test the hypothesis that perioperative covert stroke associates with POCD in elderly patients undergoing non-cardiac and non-neurological surgery. Data on risk factors, brain MRI, cognitive function evaluation and serum immune-inflammatory cytokines will be collected and analysed. ETHICS AND DISSEMINATION:Ethical approval has been granted by the Medical Ethics Committee of Beijing Tiantan Hospital, Capital Medical University (reference number: KY2017-027-02). The results of this study will be disseminated through presentations at scientific conferences and publication in scientific journals. TRIAL REGISTRATION NUMBER:NCT03081429.

SUBMITTER: Cui Q 

PROVIDER: S-EPMC6955561 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Association of postoperative covert stroke and cognitive dysfunction among elderly patients undergoing non-cardiac surgery: protocol for a prospective cohort study (PRECISION study).

Cui Qianyu Q   Wang Dexiang D   Zeng Min M   Dong Jia J   Jin Hailong H   Hu Zhengfang Z   Zhang Yuan Y   Peng Yuming Y   Han Ruquan R  

BMJ open 20200106 1


<h4>Introduction</h4>The incidence of covert stroke and cognitive dysfunction has gradually increased due to an ageing population. Recently, a prospective cohort study reported perioperative covert stroke was associated with an increased risk of postoperative cognitive dysfunction (POCD) 1 year after non-cardiac surgery. However, the mechanism remains unclear.<h4>Methods and analysis</h4>This is a prospective observational trial aiming to investigate the cumulative incidence of perioperative cov  ...[more]

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