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  • Title: CKD-EPI equation: A suitable Glomerular Filtration Rate estimate for drug dosing in HIV-infected patients.
    Author: Gagneux-Brunon A, Botelho-Nevers E, Delanaye P, Lucht F, Frésard A, Cazorla C, Guglielminotti C, Fafin C, Mariat C, Moranne O.
    Journal: Med Mal Infect; 2017 Jun; 47(4):266-270. PubMed ID: 28499765.
    Abstract:
    OBJECTIVES: To evaluate concordance between glomerular filtration rate (GFR) estimates (Cockcroft and Gault, modification of diet in renal diseases, chronic kidney disease epidemiology study group equations) for drug dosing in HIV-infected patients. PATIENTS AND METHODS: We performed a monocentric study. GFR was measured using the gold standard method (plasma clearance of iohexol) in 230 HIV-infected patients. Concordance rate was evaluated between measured GFR (mGFR) and estimated GFR (eGFR) for different GFR categories (GFR>90 mL/min, GFR<90 mL/min, GFR>70 mL/min, and GFR<70 mL/min). MDRD and CKD-EPI were used with and without indexation to body surface area (BSA). RESULTS: Mean age was 48±10 years, mean mGFR was 101±26 mL/min. Concordance between mGFR and eGFR estimated with CG, CKD-EPI (indexed and not indexed to BSA), or MDRD equations (not indexed to BSA) was similar (73%, 73%, 74%, and 73% respectively) for a breakpoint value of 90 mL/min for GFR. At this value, the concordance rate between mGFR and MDRD indexed to BSA was significantly lower (65%, P<0.05). Using 70 mL/min of GFR as the breakpoint value, all equations had similar concordance rates with mGFR (with or without indexation to BSA). CONCLUSION: CKD-EPI equation has the same concordance with GFR and with CG when used for drug dosing.
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