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Beta-blocker therapy in elderly patients with renal dysfunction and heart failure

Journal of Geriatric Cardiology 2021年第1期18卷 20-29页

作者： Juan Martínez-Milla Marcelino Cortés García Julia Anna Palfy Mikel Taibo Urquía Marta López Castillo ana devesa arbiol ana Lucía Rivero Monteagudo María Luisa Martín Mariscal Inés Jiménez-Varas Sem Briongos Figuero Juan Antonio Franco-Pelaéz JoséTuñón Department of Cardiology Hospital Universitario Fundación Jiménez Díaz-Quirónsalud Centro Nacional de Investigaciones Cardiovasculares MadridSpain Department of Cardiology Hospital Central de Asturias Department of Cardiology Hospital Universitario Ruber-Quirónsalud Department of Cardiology Hospital Universitario Infanta Leonor Department of Endocrinology Hospital Clínico San Carlos Universidad Autónoma de Madrid CIBERCV MadridSpain

OBJECTIVE To assess the role of beta-blockers(BB)in patients with chronic kidney disease(CKD)aged≥75 *** AND RESULTS From January 2008 to July 2014,we included 390 consecutive patients≥75 years of age with ejection fraction≤35%and glomerular filtration rate(GFR)≤60 m L/min per 1.73 m^*** analyzed the relationship between treatment with BB and mortality or cardiovascular *** mean age of our population was 82.6±4.1 *** ejection fraction was 27.9%±6.5%.GFR was 60-45 m L/min per 1.73 m^2 in 50.3%of patients,45-30 m L/min per 1.73 m^2 in 37.4%,and<30 m L/min per 1.73 m^2 in 12.3%.At the conclusion of follow-up,67.4%of patients were receiving *** median follow-up was28.04(IR:19.41-36.67)*** the study period,211 patients(54.1%)died and 257(65.9%)had a major cardiovascular event(death or hospitalization for heart failure).BB use was significantly associated with a reduced risk of death(HR=0.51,95%CI:0.35-0.74;P<0.001).Patients receiving BB consistently showed a reduced risk of death across the different stages of CKD:stage IIIa(GFR=30-45 m L/min per 1.73 m^2;HR=0.47,95%CI:0.26-0.86,P<0.0001),stage IIIb(GFR 30-45 m L/min per 1.73 m^2;HR=0.55,95%CI:0.26-1.06,P=0.007),and stages IV and V(GFR<30 m L/min per 1.73 m~2;HR=0.29,95%CI:0.11-0.76;P=0.047).CONCLUSIONS The use of BB in elderly patients with HFr EF and renal impairment was associated with a better *** of BB should be encouraged when possible.

关键词： CKD GFR Beta-blocker therapy in elderly patients with renal dysfunction and heart failure

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Kinetic and morphology study of alginate-vineyard pruning waste biocomposite vs. non modified vineyard pruning waste for dye removal

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Journal of Environmental Sciences 2015年第12期27卷 158-167页

作者： Xanel Vecino Rosa devesa-Rey Salvador Villagrasa Jose M.Cruz ana B.Moldes Chemical Engineering Department School of Industrial Engineering (EEI)University of VigoCampus As Lagoas-Marcosende Defense University Center Naval AcademyUniversity of Vigo Materials Engineering Department School of Industrial Engineering (EEI)University of VigoCampus As Lagoas-Marcosende

In this work a comparative bioadsorption study between a biocomposite consisting of hydrolysed vineyard pruning waste entrapped in calcium alginate spheres and non entrapped vineyard residue was carried *** have demonstrated that the biocomposite based on lignocellulose-calcium alginate spheres removed 77.3% of dyes,while non entrapped lignocellulose eliminated only removed 27.8% of colour *** experimental data were fitted to several kinetic models（pseudo-first order,pseudo-second order,Chien-Clayton model,intraparticle diffusion model and Bangham model）; being pseudo-second order the kinetic model that better described the adsorption of dyes onto both *** addition,a morphological study（roughness and shape） of alginate-vineyard biocomposite was established under extreme conditions,observing significant differences between hydrated and dehydrated alginate-vineyard *** techniques used to carry out this morphological study consisted of scanning electron microscopy（SEM）,perfilometry and 3D surface analysis.

关键词： Immobilized alginate-vineyard Dyes Kinetic studies Roughness Spherical shape

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