Predicting Acute Kidney Injury After Coronary Artery Bypass Graft

Status Completed

Clinical Trial Summary

Acute kidney injury after cardiac surgery is a major complication after cardiac surgery and has been reported to be associated with adverse outcome. There have been many studies reporting risk factor of acute kidney injury after cardiac surgery, but the influence of perioperative variables related to anesthesia and perioperative medication has not been evaluated fully. The investigators attempt to evaluate the influence of perioperative clinical variables including preoperative medication, preoperative albumin level, uric acid concentration, anesthesia technique, use of hydroxyethyl starch, blood glucose level, intraoperative medication, perioperative cardiac function (systolic and diastolic function) and hemodynamic variables during surgery on the incidence of acute kidney injury after coronary artery bypass graft.

Clinical Trial Description

Acute kidney injury (AKI) after cardiac surgery is a major complication after cardiac surgery and has been reported to be associated with adverse outcome. There have been many studies reporting risk factor of acute kidney injury after cardiac surgery, but the influence of perioperative variables related to anesthesia and perioperative medication has not been evaluated fully. The investigators attempt to evaluate the influence of preoperative medication, preoperative albumin level, uric acid concentration, NL ratio, anesthesia technique, use of hydroxyethyl starch, blood glucose level, intraoperative medication, perioperative cardiac function (systolic and diastolic) and hemodynamic variables during surgery on the incidence of acute kidney injury after coronary artery bypass graft. Preoperative and postoperative diastolic dysfunction may be associated with postoperative AKI. In addition, preoperative neutrophil-lymphocyte ratio (NLR) which has been reported to be a marked for systemic inflammation and was associated with prognosis in cardiac patients undergoing coronary artery bypass graft or percutaneous coronary intervention. This preoperative or immediate postoperative NLR might be able to predict AKI after coronary artery bypass surgery. ;

Study Design

Observational Model: Cohort, Time Perspective: Retrospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02081261
Study type	Observational
Source	Samsung Medical Center
Contact
Status	Completed
Phase	N/A
Start date	January 2014
Completion date	February 2016

View Details

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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.