Plasma visfatin/nicotinamide phosphoribosyltransferase (visfatin/NAMPT) concentration is not related to kidney function in elderly subjects

Author(s):  
Piotr Kocelak ◽  
Magdalena Olszanecka-Glinianowicz ◽  
Aleksander Owczarek ◽  
Maria Bozentowicz-Wikarek ◽  
Aniceta Brzozowska ◽  
...  

AbstractStudies assessing plasma visfatin/nicotinamide phosphoribosyltransferase (NAMPT) concentrations in chronic kidney disease with the ELISA method are restricted mainly to subjects with end-stage kidney disease. Therefore, little is known about to what extent glomerular filtration rate (GFR) affects the plasma levels of visfatin/NAMPT. The aim of this study was to assess the relations between circulating visfatin/NAMPT levels and estimated GFR (eGFR), independently of potential confounders such as inflammation, nutritional status, and insulin resistance in the elderly population.The analysis included 3023 elderly subjects (1076 with impaired kidney excretory function – eGFR <60 mL/min/1.73 mSimilar plasma visfatin/NAMPT levels were found in subjects with eGFR ≥60 and <60 mL/min/1.73 mThe results of our study suggest that plasma visfatin/NAMPT levels are not affected by impaired kidney excretory function in elderly subjects.

Author(s):  
Patrícia Valério ◽  
◽  
Ana Farinha ◽  

With an increased number of aged chronic kidney disease (CKD) patients, along with medical and technological advances, the options to approach end‑stage kidney disease (ESKD) have multiplied. Nephrologists should be aware that taking care of elderly patients is different from taking care of younger ones. The spectrum of choices is as wide as the functional status of these patients. For fit ones, the main goal should be to restore function as much as possible and to rehabilitate. On the other hand, for frail patients, the expectations should be realistic in terms of survival, disease trajectory and symptomatic control, because while kidney replacement therapies can prolong life, they do not cure. The issue is complex due to its multidimensional perspective, so decisions must take into account the patient’s options, respecting his/her autonomy, dignity and quality of life. This text aims to review the particularities of geriatric CKD patients’ assessment towards options to care for ESKD, in a specific population which is growing in our practice.


2020 ◽  
Vol 40 (11) ◽  
pp. 6525-6530
Author(s):  
JANOS DOCS ◽  
DANIEL BANYAI ◽  
TIBOR FLASKO ◽  
ARPAD SZANTO ◽  
GYULA KOVACS

Author(s):  
Eva Pella ◽  
Afroditi Boutou ◽  
Aristi Boulmpou ◽  
Christodoulos E Papadopoulos ◽  
Aikaterini Papagianni ◽  
...  

Abstract Chronic kidney disease (CKD), especially end-stage kidney disease (ESKD), is associated with increased risk for cardiovascular events and all-cause mortality. Exercise intolerance as well as reduced cardiovascular reserve are extremely common in patients with CKD. Cardiopulmonary exercise testing (CPET) is a non-invasive, dynamic technique that provides an integrative evaluation of cardiovascular, pulmonary, neuropsychological and metabolic function during maximal or submaximal exercise, allowing the evaluation of functional reserves of these systems. This assessment is based on the principle that system failure typically occurs when the system is under stress and, thus, CPET is currently considered to be the gold-standard for identifying exercise limitation and differentiating its causes. It has been widely used in several medical fields for risk stratification, clinical evaluation and other applications but its use in everyday practice for CKD patients is scarce. This article describes the basic principles and methodology of CPET and provides an overview of important studies that utilized CPET in patients with ESKD, in an effort to increase awareness of CPET capabilities among practicing nephrologists.


Author(s):  
Micaella Sotera Hansen ◽  
Wubshet Tesfaye ◽  
Beena Sewlal ◽  
Bharati Mehta ◽  
Kamal Sud ◽  
...  

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