LUIZ ESTEVAM IANHEZ

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  • article 12 Citação(ões) na Scopus
    Non-Human Leukocyte Antigen Antibodies Reactive with Endothelial Cells Could Be Involved in Early Loss of Renal Allografts
    (2011) RONDA, C.; BORBA, S. C. P.; FERREIRA, S. C. P.; GLOTZ, D.; IANHEZ, L. E.; RODRIGUES, H.; VIGGIANI, C. S.; NAHAS, W.; DAVID-NETO, E.; CASTRO, M. C. R.; DAISA, S. R. David; KALIL, J.; PANAJOTOPOULOS, N.
    Preformed donor-specific human leukocyte antigen (HLA) antibodies have been associated with allograft dysfunction and failure. However, recipients of HLA-identical kidneys can develop acute humoral rejection, implicating putative pathogenic antibodies that are directed against non-HLA antigens. We investigated the presence of endothelial cell reactive antibodies in 11 patients who experienced early loss of their transplanted kidneys owing to humoral rejection and 1 loss from renal venal thrombosis. We examined the potential efficacy of intravenous immunoglobulin to block the binding of these antibodies, as previously suggested for anti-HLA antibodies.
  • article 44 Citação(ões) na Scopus
    Protective Effect of N-acetylcysteine on Early Outcomes of Deceased Renal Transplantation
    (2011) DANILOVIC, A.; LUCON, A. M.; SROUGI, M.; SHIMIZU, M. H. M.; IANHEZ, L. E.; NAHAS, W. C.; SEGURO, A. C.
    We investigated the effects of the antioxidant N-acetylcysteine (NAC) on early outcomes of deceased donor renal transplantation. Between April 2005 and June 2008, adult primary graft recipients of deceased renal donors were assigned to treatment (n = 38) or control (n = 36) groups and evaluated for 90 days and one year after renal transplantation. The treatment group received NAC orally (600 mg twice daily) from day 0 to 7 postoperatively. Renal function was determined by serum creatinine, MDRD and Cockcroft-Gault estimated GFR (eGFR), delayed graft function (DGF) and dialysis free Kaplan-Meier estimate curve. Serum levels of thiobarbituric acid reactive substances (TBARS), were employed as markers of oxidative stress. The NAC group displayed a lower mean serum creatinine during the first 90 days (P = .026) and at 1 year after transplantation (P = .005). Furthermore, the NAC group showed a higher mean eGFR throughout the first 90 days and at 1 year. DGF was lower among the NAC group (P = .017) and these recipients required fewer days of dialysis (P = .012). Oxidative stress was significantly attenuated with NAC (P < .001). Our results suggested that NAC enhanced early outcomes of deceased donor renal transplantation by attenuating oxidative stress.