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1.
Ther Apher Dial ; 26(1): 37-44, 2022 Feb.
Article in English | MEDLINE | ID: mdl-34125503

ABSTRACT

Expanded hemodialysis (HDx), using medium cut-off membrane, is a novel therapy that effectively clears middle molecules (MMs). We aimed to compare HDx to hemodiafiltration (HDF) in an open randomized clinical study. Patients currently on HDF (age 18-80 years; on HDF >3 months) were randomized to switch to HDx (N = 21) or continue HDF (N = 22) with a 24-week follow-up. Pre- to post-dialysis reduction ratios (RR) and changes in pre-dialysis levels over time were evaluated for MMs and clinical biomarkers. Use of erythropoiesis-stimulating agents (ESAs) was assessed. HDx showed greater RR for YKL-40 while RR appeared similar between groups for beta2 -microglobulin, FGF-23, and free light chains. Intradialytic changes in inflammatory biomarkers (IL-6, CRP, PTX3) did not differ between therapies. Changes from baseline to 12 and 24 weeks did not differ between groups for MMs, inflammatory markers, albumin, fibrinogen, hemoglobin, PTH, and phosphorus. Use of ESAs tended to decrease in HDx arm while remaining stable in HDF arm. HDx appeared safe with similar clinical effectiveness as HDF. With fewer requirements and resource needs, HDx provides an attractive alternative to HDF.


Subject(s)
Kidney Failure, Chronic/therapy , Renal Dialysis/methods , Female , Follow-Up Studies , Hemodiafiltration/methods , Humans , Male , Middle Aged , Spain , Treatment Outcome
2.
Rev. méd. hered ; 15(3): 151-154, jul.-sept. 2004. tab
Article in Spanish | LILACS, LIPECS | ID: lil-409501

ABSTRACT

Objetivo: Determinar la prevalencia de serología positiva para helicobacter pylori en trabajadores de una refinería de zinc. Material y métodos: Se incluyeron en el estudio a los trabajadores que acudían para su control pre-vacacional entre los meses de julio a setiembre del 2003. De 501 trabajadores, se seleccionaron a 92, obteniendo un tamaño muestral de 80 personas a un nivel de confianza del 99.99 por ciento. Para el examen serológico, se utilizó la prueba de ELISA para detección cuantitativa de IgG específica contra Helicobacter pylori (GAP-IgG ELISA. Biomerica, (USA) por medio de sangre venosa de los participantes. Se consideró como positivos a valores > 20U/ml, negativos < 12.5 U/ml y sospechosos entre 12.5 y 20U/ml. Sólo 4 fueron del sexo femenino, motivo por el cual, no se hizo el estudio separando grupos por sexo. Resultados: De los 92 trabajadores, 57 (61.96 por ciento) presentaron serología positiva para Helicobacter pylori, 22 (23.91 por ciento) fueron negativos, mientras que 13 (14.13 por ciento) tuvieron un resultados dudoso (sospechoso).


Subject(s)
Humans , Male , Adult , Female , Middle Aged , Serology , Prevalence , Helicobacter pylori
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