Diagnostic Accuracy of Doppler Resistive Indices for Early Diagnosis of Acute Kidney Injury .
Diagnostic Accuracy of Renal, Carotid, and Aortic Doppler Resistive Indices for Early Diagnosis of Acute Kidney Injury Following Cardiopulmonary Bypass Surgery.
1 other identifier
observational
100
1 country
1
Brief Summary
To determine if ultrasound measurement of renal and carotid arterial resistive indices are associated with post-cardiac surgery acute kidney injury.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Oct 2015
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
October 1, 2015
CompletedFirst Submitted
Initial submission to the registry
October 17, 2015
CompletedFirst Posted
Study publicly available on registry
October 20, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 25, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
April 25, 2024
CompletedNovember 12, 2024
November 1, 2024
8.6 years
October 17, 2015
November 9, 2024
Conditions
Outcome Measures
Primary Outcomes (1)
Acute kidney injury - Lassnigg grade-minimal
Based on change in creatinine
2nd postoperative day
Eligibility Criteria
Adult patients undergoing cardiac surgery
You may qualify if:
- adult patients \>= 18 years
- undergoing cardiac surgery with cardiopulmonary bypass and transesophageal echocardiography (TEE) probe placement
You may not qualify if:
- chronic kidney diseases (estimated GFR \< 60 ml/min/1.73m2)
- prior carotid endarterectomy
- known carotid artery stenosis of 50% or greater
- dissection or aneurysm involving renal or carotid arteries
- scheduled aortic or aortic valve surgery
- heart transplant
- intraaortic balloon pump, ventricular assist device, or exctracorporeal membrane oxygenation support.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Cardiovascular Center - University of Michigan
Ann Arbor, Michigan, 48109, United States
Study Officials
- PRINCIPAL INVESTIGATOR
Milo Engoren
University of Michigan
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
October 17, 2015
First Posted
October 20, 2015
Study Start
October 1, 2015
Primary Completion
April 25, 2024
Study Completion
April 25, 2024
Last Updated
November 12, 2024
Record last verified: 2024-11