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Inflammatory milieu in contrast-induced nephropathy: a prospective single-center study

Authors Oweis AO, Alshelleh SA, Daoud AK, Smadi MM, Alzoubi KH

Received 22 April 2018

Accepted for publication 8 June 2018

Published 13 August 2018 Volume 2018:11 Pages 211—215


Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Andrew Yee

Peer reviewer comments 2

Editor who approved publication: Professor Pravin Singhal

Ashraf O Oweis,1 Sameeha A Alshelleh,2 Ammar K Daoud,1 Mahmoud M Smadi,3 Karem H Alzoubi4

1Department of Internal Medicine, Jordan University of Science and Technology, Irbid, Jordan; 2Department of Internal Medicine, the University of Jordan, Amman, Jordan; 3Department of Mathematics and Statistics, Jordan University of Science and Technology, Irbid, Jordan; 4Department of Clinical Pharmacy, Jordan University of Science and Technology, Irbid, Jordan

Background: Acute kidney injury (AKI) caused by contrast exposure is a common problem, which may cause a significant increase in patients in-hospital stay and therefore the cost of treatment. This study was conducted to evaluate the role of inflammation, inflammatory markers in predicting contrast induced nephropathy (CIN). This is a prospective study that was carried out in a major tertiary referral hospital in Jordan. 
Methods: Clinical data, blood and urine samples were collected from all patients admitted to the cardiology unit. All patients who agreed to participate in the study had creatinine level analysis 48–72 hours after the procedure. The CIN was defined as an increase in serum creatinine by 25% or 44 μmol/L from the baseline within 48–72 hours after the contrast administration. Patients with stage 4, 5 renal failure, patients on dialysis, and patients with recent intravenous contrast use, active infection or cancer were excluded from the study.
Results: Of the total 202 patients, 30 (14.8%) developed CIN. The incidence rate was 21.1% among females and 12.4% among males. In the multivariate analysis, beside eGFR, diuretics, and alkaline phosphatase, IL-33 was significantly associated with CIN, while the other cytokines did not to show this an association.
Conclusion: Serum level of IL-33 was a significant predictor for development of CIN. Good clinical judgment and high serum levels of IL-33 may stratify patients into low and high risk for CIN.

Keywords: acute kidney injury, contrast, cytokines, cardiac catheterization

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