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Preoperative RRI and Long-term Risk for CKD

Chronic Kidney Disease Clinical Trial

Official title:
Preoperative Renal Resistive Index to Predict Long-term Development of Chronic Kidney Disease in Patients Undergoing Cardiac Surgery

Clinical Trial Summary

Renal resistive index (RRI) is calculated from ultrasonographic Doppler measurements of flow velocities in intraparenchymal renal arteries. Normal values are around 0.60, and 0.70 is considered the upper normal threshold in adults. Both preoperative and postoperative elevation of RRI has shown promise in early detection of AKI after cardiac surgery. Further, elevated RRI before coronary angiography is associated with an increased risk of cardiovascular complications up to 1 year after the procedure. The role of preoperative RRI in predicting long-term renal and cardiovascular complications after elective surgery is however not known. The aim of this study is to assess the role of preoperative RRI to predict the risk of persistent renal dysfunction as well as renal- and cardiovascular complications up to 5 years after surgery.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05577039
Study type Observational
Source Region Stockholm
Contact
Status Completed
Phase
Start date November 1, 2022
Completion date September 1, 2023
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