Effect of Dexmedetomidine on Postoperative Renal Function in Infective

Status Recruiting

Clinical Trial Summary

Acute kidney injury is major complication after open heart surgery. The cause of acute kidney injury following open heart surgery is related to activation of sympathetic nervous system, decrease of renal blood flow, ischemia-reperfusion injury and systemic inflammatory response.

Infective endocarditis patients undergoing open heart surgery have systemic inflammatory response associated with infective endocarditis. And the inflammatory response can be aggravated by cardiopulmonary bypass. The incidence of acute kidney injury following open heart surgery due to infective endocarditis was 50% in a previous report. And this acute kidney injury was related to the poor outcome and high mortality. Thus, the preventive method to protect kidney function will be needed in the patients with infective endocarditis undergoing open heart surgery.

Dexmedetomidine is a selective α2-agonist and has sedative, analgesic, and CNS depressive effect. And several experimental study demonstrated the renal protective effect. Intraoperative dexmedetomidine administration can reduce the amount of anesthetics needed and suppress the sympathetic response resulted by surgical stimulation. And dexmedetomidine was reported to reduce the level of serum cortisol, epinephrine and norepinephrine during the operation. Thus, these effects of dexmedetomidine can be expected to reduce the incidence of acute kidney injury.

Therefore, the investigators hypothesized that dexmedetomidine has renal protective effect and this effect might be related to the suppression of inflammatory response. Thus, the investigators will evaluate the incidence of acute kidney injury and the incidence of major adverse kidney events (MAKE) after open heart surgery due to infective endocarditis and the level of inflammatory mediators.

The primary end point of this study is the incidence of acute kidney injury after open heart surgery due to infective endocarditis. And secondary end point is the incidence of MAKE, the level of cystatin C which is related to the renal function, the level of inflammatory mediator and the postoperative morbidities.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02698930
Study type	Interventional
Source	Yonsei University
Contact
Status	Recruiting
Phase	N/A
Start date	August 2016
Completion date	October 2020

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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.

Effect of Dexmedetomidine on Postoperative Renal Function in Infective Endocarditis Patients Undergoing Open Heart Surgery

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms