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

University of Michigan100 enrolled

Overview

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

Study Type

OBSERVATIONAL

Enrollment

100

Conditions

Cardiac Surgical Procedures

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

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.

Locations (1)

Cardiovascular Center - University of Michigan

Ann Arbor, Michigan, United States

Outcomes

Primary Outcomes

Acute kidney injury - Lassnigg grade-minimal

Based on change in creatinine

Time frame: 2nd postoperative day

Data from ClinicalTrials.gov

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