Added Value of 18 FDG Pet-scanner in Diagnosis and Management of Subclinical Rejection in Kidney Transplant Patients

The renal biopsy (RB) represents the gold-standard for the diagnosis of acute renal transplant rejection (AR), and allows early verification of a so-called "subclinical" rejection, ie without any clinical or biological abnormality detectable in a stable kidney transplant patient. The RB also makes it possible to certify a strictly normal renal histology and thus to motivate the withdrawal of corticosteroid therapy. It is this 3-month post-transplant protocol RB protocol that has been effective since 2007 at the CHU Liège. However, RB is an invasive procedure, contraindicated in patients taking anticoagulants, and carrying a significant risk of complications. The potential complications associated with RB motivate the identification and validation of other diagnostic means. In the present project, the investigators propose to study the relevance of positron emission tomography (PET), coupled with conventional tomography (CT), after intravenous injection of 18-fluoro-deoxy-glucose (18FDG) in the overall protocol of the renal transplant patient at 3 months post-transplant to: (i) allow protocol renal biopsy only in patients with suspicion of an acute rejection (ii) be a decision maker for withdrawal from corticosteroids in the absence of rejection In practice, the investigators suggest performing 18FDG PET / CT imaging on the day of the surveillance biopsy, which is systematically performed in all kidney transplant patients at University Hospital of Liège 3 months after trans…

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Antoine Bouquegneau  ·  +32473353321  ·  antoine.bouquegneau@gmail.com

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