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OpenTrials
Completed

NCT Number: NCT02580292

Diagnostic Accuracy of Doppler Resistive Indices for Early Diagnosis of Acute Kidney Injury .

To determine if ultrasound measurement of renal and carotid arterial resistive indices are associated with post-cardiac surgery acute kidney injury.

Completed

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Key information

Conditions

Cardiac Surgical Procedures

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Cardiovascular Center - University of Michigan

Ann Arbor, Michigan, 48109, United States

About this study

To determine if ultrasound measurement of renal and carotid arterial resistive indices are associated with post-cardiac surgery acute kidney injury.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • adult patients >= 18 years
  • undergoing cardiac surgery with cardiopulmonary bypass and transesophageal echocardiography (TEE) probe placement

Exclusion criteria

  • 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.

Treatment and study plan

Primary outcomes

  1. Acute kidney injury - Lassnigg grade-minimal

    Time frame: 2nd postoperative day

    Based on change in creatinine

Sponsors and collaborators

Lead sponsor

University of Michigan

Other

Registry information

Official study title

Diagnostic Accuracy of Renal, Carotid, and Aortic Doppler Resistive Indices for Early Diagnosis of Acute Kidney Injury Following Cardiopulmonary Bypass Surgery.

Important dates

Study start
2015
Primary completion
2024
Study completion
2024
First posted
Oct 20, 2015
Registry last updated
Nov 12, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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