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  • Title: Therapeutic Approach for Recurrent Focal Segmental Glomerulosclerosis in Pediatric Renal Transplant Recipients: A Single-Center Experience.
    Author: Torres DD, Fontò G, Guastamacchia L, Santangelo L, Carbone V, Piscopo G, Spadaccino F, Ranieri E, Netti GS, Giordano M.
    Journal: Blood Purif; 2022; 51(10):847-856. PubMed ID: 35093944.
    Abstract:
    INTRODUCTION: Recurrence of focal segmental glomerulosclerosis (FSGS) after kidney transplantation (KTx) develops in 40% of patients, leading to graft loss in half of cases. Extracorporeal apheretic treatments, combined with immunosuppressive drugs, seem to be the most promising therapies, but at now limited reports are available, mainly in pediatric patients. OBJECTIVE: We aimed to assess the efficacy of immunoadsorption (IA) to treat recurrent FSGS in pediatric patients. METHODS: We report a case series of 4 pediatric patients (aged 4-12 years) followed at our institution for early recurrent FSGS after KTx. FSGS recurrence was treated with early and intensive apheretic treatments IA. RESULTS: After IA initiation, a partial remission (PR) of proteinuria at 24-month follow-up was achieved only in 1 patient. The others showed a mild reduction of nephrotic proteinuria, without PR, but gained a significant improvement in clinical signs of nephrotic syndrome (reduction of edema, increased serum albumin, and total protein levels). After a median follow-up of 38 (22-48) months, renal function was almost stable over time in all patients, except one who returned to hemodialysis after 22 months. No severe IA-related complications occurred. CONCLUSIONS: According to our clinical experience, IA revealed as a safe and effective therapy to treat patients with recurrent FSGS after KTx and it could maintain stable renal function in 75% of patients.
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