Association Between the Brain Excitability & Postoperative Delirium in

Status Recruiting

Clinical Trial Summary

The purpose of this study is to explorethe brain excitability in patients undergoing heart valve replacement surgery with cardiopulmonary bypass and the correlation with postoperative delirium

Clinical Trial Description

Delirium is the most common surgical patients postoperative complications of brain dysfunction. Delirium is a kind of consciousness attention and cognitive function changes of acute brain dysfunction, with volatility and reversibility of postoperative delirium (POD), increased hospital costs and length of hospital stay and mortality rate, and can lower the quality of life, lead to long-term postoperative cognitive dysfunction and dementia. The incidence of postoperative cognitive dysfunction in patients undergoing cardiac valve replacement under cardiopulmonary bypass (CPB) can be as high as 44-53%. However, since the specific mechanism of POD is still not clear, there is still a lack of effective prevention and treatment measures. Therefore, early detection and identification are helpful for the early treatment of POD.When brain injury occurs, the levels of excitatory neurotransmitters (glutamate and aspartate) will rise in a short period of time, and the high concentration of glutamate causes excessive intracellular calcium flow, causing cellular calcium overload, and generating excitatory cytotoxic effects. And abnormal electroencephalogram (EEG) is a kind of due to brain excitability/inhibitory amino acid imbalance caused by brain excitability increased result in abnormal discharge mode, can affect cognitive awareness and activities. Increased brain excitability is harmful to the potential, should avoid to happen. At present, the relationship between brain excitability and POD is still in exploring. Therefore, it is important to clarify the correlation between brain excitability and POD in patients undergoing cardiac valve replacement under CPB for improving the pathogenesis of POD. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05001425
Study type	Observational
Source	General Hospital of Ningxia Medical University
Contact	Xinli Ni, doctor
Phone	86-951-674-3252
Email	xinlini6@nyfy.com.cn
Status	Recruiting
Phase
Start date	July 1, 2020
Completion date	December 1, 2021

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Association Between the Brain Excitability and Postoperative Delirium in Patients Undergoing Heart Valve Replacement Surgery With Cardiopulmonary Bypass

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms