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1.
Transpl Int ; 36: 10749, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36891519

RESUMO

We previously reported associations between autoantibodies to the LG3 fragment of perlecan, anti-LG3, and a higher risk of delayed graft function (DGF) in kidney transplant recipients. Here, we aimed to determine whether some factors that modulate ischemia-reperfusion injury (IRI) can modify this association. We performed a retrospective cohort study in kidney transplant recipients in 2 university-affiliated centers. In 687 patients, we show that high pre-transplant anti-LG3 are associated with DGF when the kidney is transported on ice (odds ratio (OR): 1.75, 95% confidence interval 1.02-3.00), but not when placed on hypothermic perfusion pump (OR: 0.78, 95% CI 0.43-1.37). In patients with DGF, high pre-transplant anti-LG3 are associated with a higher risk of graft failure (subdistribution hazard ratio (SHR): 4.07, 95% CI: 1.80, 9.22), while this was not the case in patients with immediate graft function (SHR: 0.50, 95% CI 0.19, 1.29). High anti-LG3 levels are associated with a higher risk of DGF in kidneys exposed to cold storage, but not when hypothermic pump perfusion is used. High anti-LG3 are also associated with a higher risk of graft failure in patients who experience DGF, a clinical manifestation of severe IRI.


Assuntos
Função Retardada do Enxerto , Transplante de Rim , Humanos , Função Retardada do Enxerto/etiologia , Transplante de Rim/efeitos adversos , Estudos Retrospectivos , Rim , Perfusão , Sobrevivência de Enxerto , Fatores de Risco , Doadores de Tecidos
2.
Blood Purif ; 51(1): 75-86, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-33902049

RESUMO

INTRODUCTION: In critically ill patients requiring intermittent renal replacement therapy (RRT), the benefits of convective versus diffusive clearance remain uncertain. We conducted a systematic review and meta-analysis to determine the safety, clinical efficacy, and clearance efficiency of hemofiltration (HF) and hemodiafiltration (HDF) compared to hemodialysis (HD) in patients with acute kidney injury (AKI) receiving intermittent RRT. METHOD: We searched Medline, Embase, Cochrane Library, and PROSPERO. We included clinical trials and observational studies that reported the use of intermittent HF or HDF in adult patients with AKI. The following outcomes were included: mortality, renal recovery, clearance efficacy, intradialytic hemodynamic stability, circuit loss, and inflammation modulation. RESULTS: A total of 3,169 studies were retrieved and screened. Four randomized controlled trials and 4 observational studies were included (n: 615 patients). Compared with conventional HD, intermittent convective therapies had no effect on in-hospital mortality (relative risk, 1.23; 95% confidence interval (CI), 0.76-1.99), renal recovery at 30 days (RR, 0.98; 95% CI, 0.82-1.16), time-to-renal recovery (mean difference [MD], 0.77; 95% CI, -6.56 to 8.10), and number of dialysis sessions until renal recovery (MD, -1.34; 95% CI, -3.39 to 0.72). The overall quality of included studies was low, and dialysis parameters were suboptimal for all included studies. CONCLUSION: This meta-analysis suggests that there is no significant difference in short-term mortality and renal recovery in patients with severe AKI when treated with intermittent HF or HDF compared to conventional HD. This systematic review emphasizes the need for further trials evaluating optimal convective parameters in AKI patients treated with intermittent dialysis.


Assuntos
Injúria Renal Aguda/terapia , Terapia de Substituição Renal , Injúria Renal Aguda/mortalidade , Injúria Renal Aguda/fisiopatologia , Hemodiafiltração/efeitos adversos , Hemodiafiltração/métodos , Hemodiafiltração/mortalidade , Hemofiltração/efeitos adversos , Hemofiltração/métodos , Hemofiltração/mortalidade , Humanos , Diálise Renal/efeitos adversos , Diálise Renal/métodos , Diálise Renal/mortalidade , Terapia de Substituição Renal/efeitos adversos , Terapia de Substituição Renal/métodos , Terapia de Substituição Renal/mortalidade
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