scholarly journals Antibiotic Dosing in Chronic Kidney Disease

Author(s):  
N. D. Bunyatyan ◽  
V. I. Petrov ◽  
O. V. Shatalova ◽  
A. V. Ponomareva ◽  
A. Yu. Ryazanova ◽  
...  

Infectious process is an important cause of morbidity and mortality among patients with chronic kidney disease. Prescription of antibacterial drugs should take into account the pharmacokinetic parameters of the medicine and the individual characteristics of the patient. Adequate antibiotic dosing is crucial for positive treatment outcome and minimisation of side effects. The aim of the study was to analyse scientific literature on factors affecting the dosing of antibacterials in patients with chronic kidney disease. Since most antibacterial medicines are eliminated by the kidneys, a decrease in glomerular filtration rate or kidney function should be followed by the dose adjustment in order to prevent the medicine accumulation and reduce the risk of side effects. Antibiotic dosing in such patients should be accompanied by kidney function assessment and be adjusted to ensure effective and safe treatment, as well as prevention of bacterial resistance. The review provides data on the dosing of some antibiotic groups (beta-lactams, aminoglycosides, fluoroquinolones) at different creatinine clearance rates. Extrarenal excretion of medicines does not usually require the dose adjustment in patients with chronic kidney disease.

2021 ◽  
Vol 8 (11) ◽  
pp. 263
Author(s):  
So-Yeon Gim ◽  
Woo-Jin Song ◽  
Hwa-Young Youn

In human medicine, doses of levetiracetam (LEV) are individualized for patients with epilepsy, depending on the status of the patient’s renal function. However, there are not reports on the individualized dosing of LEV for small animals. The aim of this study is to investigate whether a dose adjustment of LEV is needed in dogs with chronic kidney disease (CKD). Patient databases were searched, and 37 dogs with seizures or epilepsy were retrospectively included in this study. Based on pre-existing CKD, patients were divided into a CKD group (n = 20) and a non-CKD group (n = 17). We collected kidney panels before and after LEV treatment. Side-effects were monitored for 1 month after the start of LEV administration. In the CKD group, more dogs developed adverse effects (85%) than in the non-CKD group (52.94%). After LEV administration, an increase in blood urea nitrogen and/or serum creatinine was more often reported in the CKD group than it was in the non-CKD group. Our data indicate that in dogs with seizures or epilepsy with pre-existing CKD, an LEV dose-adjustment is needed. During LEV treatment, CKD patients should be monitored for side-effects and may require laboratory evaluation of renal function.


Bone Research ◽  
2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Guillaume Courbon ◽  
Connor Francis ◽  
Claire Gerber ◽  
Samantha Neuburg ◽  
Xueyan Wang ◽  
...  

AbstractBone-produced fibroblast growth factor 23 (FGF23) increases in response to inflammation and iron deficiency and contributes to cardiovascular mortality in chronic kidney disease (CKD). Neutrophil gelatinase-associated lipocalin (NGAL or lipocalin 2; LCN2 the murine homolog) is a pro-inflammatory and iron-shuttling molecule that is secreted in response to kidney injury and may promote CKD progression. We investigated bone FGF23 regulation by circulating LCN2. At 23 weeks, Col4a3KO mice showed impaired kidney function, increased levels of kidney and serum LCN2, increased bone and serum FGF23, anemia, and left ventricular hypertrophy (LVH). Deletion of Lcn2 in CKD mice did not improve kidney function or anemia but prevented the development of LVH and improved survival in association with marked reductions in serum FGF23. Lcn2 deletion specifically prevented FGF23 elevations in response to inflammation, but not iron deficiency or phosphate, and administration of LCN2 increased serum FGF23 in healthy and CKD mice by stimulating Fgf23 transcription via activation of cAMP-mediated signaling in bone cells. These results show that kidney-produced LCN2 is an important mediator of increased FGF23 production by bone in response to inflammation and in CKD. LCN2 inhibition might represent a potential therapeutic approach to lower FGF23 and improve outcomes in CKD.


Author(s):  
Yuko Katayama ◽  
Jun Sugama ◽  
Tomohisa Suzuki ◽  
Yoshimasa Ishimura ◽  
Akihiro Kobayashi ◽  
...  

Abstract Background Inhibiting enteropeptidase, a gut serine protease regulating protein digestion, suppresses food intake and ameliorates obesity and diabetes in mice. However, the effects of enteropeptidase inhibition on the kidney parameters are largely unknown. Here, we evaluated the chronic effects of an enteropeptidase inhibitor, SCO-792, on kidney function, albuminuria, and kidney pathology in spontaneously hypercholesterolaemic (SHC) rats, a rat chronic kidney disease (CKD) model. Methods SCO-792, an orally available enteropeptidase inhibitor, was administered (0.03% and 0.06% (w/w) in the diet) for five weeks to 20-week-old SHC rats showing albuminuria and progressive decline in glomerular filtration rate (GFR). The effects of SCO-792 and the contribution of amino acids to these effects were evaluated. Results SCO-792 increased the faecal protein content, indicating that SCO-792 inhibited enteropeptidase in SHC rats. Chronic treatment with SCO-792 prevented GFR decline and suppressed albuminuria. Moreover, SCO-792 improved glomerulosclerosis and kidney fibrosis. Pair feeding with SCO-792 (0.06%) was less effective in preventing GFR decline, albuminuria, and renal histological damage than SCO-792 treatment, indicating the enteropeptidase-inhibition-dependent therapeutic effects of SCO-792. SCO-792 did not affect the renal plasma flow, suggesting that its effect on GFR was mediated by an improvement in filtration fraction. Moreover, SCO-792 increased hydrogen sulphide production capacity, which has a role in tissue protection. Finally, methionine and cysteine supplementation to the diet abrogated SCO-792-induced therapeutic effects on albuminuria. Conclusions SCO-792-mediated inhibition of enteropeptidase potently prevented GFR decline, albuminuria, and kidney fibrosis; hence, it may have therapeutic potential against CKD.


2019 ◽  
Vol 75 (3) ◽  
pp. 517-521
Author(s):  
Ryon J Cobb ◽  
Roland J Thorpe ◽  
Keith C Norris

Abstract Background With advancing age, there is an increase in the time of and number of experiences with psychosocial stressors that may lead to the initiation and/or progression of chronic kidney disease (CKD). Our study tests whether one type of experience, everyday discrimination, predicts kidney function among middle and older adults. Methods The data were from 10 973 respondents (ages 52–100) in the 2006/2008 Health and Retirement Study, an ongoing biennial nationally representative survey of older adults in the United States. Estimated glomerular filtration rate (eGFR) derives from the Chronic Kidney Disease Epidemiology Collaboration equation. Our indicator of everyday discrimination is drawn from self-reports from respondents. Ordinary Least Squared regression (OLS) models with robust standard errors are applied to test hypotheses regarding the link between everyday discrimination and kidney function. Results Everyday discrimination was associated with poorer kidney function among respondents in our study. Respondents with higher everyday discrimination scores had lower eGFR after adjusting for demographic characteristics (B = −1.35, p < .05), and while attenuated, remained significant (B = −0.79, p < .05) after further adjustments for clinical, health behavior, and socioeconomic covariates. Conclusions Our study suggests everyday discrimination is independently associated with lower eGFR. These findings highlight the importance of psychosocial factors in predicting insufficiency in kidney function among middle-aged and older adults.


2016 ◽  
Vol 2016 ◽  
pp. 1-6 ◽  
Author(s):  
Akiko Takenouchi ◽  
Ayaka Tsuboi ◽  
Miki Kurata ◽  
Keisuke Fukuo ◽  
Tsutomu Kazumi

Background/Aims. Subclinical atherosclerosis and long-term glycemic variability have been reported to predict incident chronic kidney disease (CKD) in the general population. However, these associations have not been investigated in patients with type 2 diabetes with preserved kidney function.Methods. We prospectively followed up 162 patients with type 2 diabetes (mean age, 62.3 years; 53.6% men) and assessed whether carotid intima-media thickness (IMT) measured by B-mode ultrasound and visit-to-visit HbA1c variability are associated with deterioration of CKD (incident CKD defined as estimated GFR [eGFR] < 60 mL/min/1.73 m2and progression of CKD stages) over a median follow-up of 6.0 years. At baseline, 25 patients (15.4%) had CKD. Cox proportional hazards regression models were used for identifying associated factors of CKD deterioration.Results.Estimated GFR decreased from75.8±16.3to67.4±18.2 mL/min/1.73 m2(p<0.01). Of 162 patients, 32 developed CKD and 8 made a progression of CKD stages. Multivariate Cox regression analysis revealed that carotid IMT (HR: 4.0, 95% CI: 1.1–14.226.7, andp=0.03) and coefficient of variation of HbA1c (HR: 1.12, 95%: 1.04–1.21, andp=0.003) were predictors of deterioration of CKD independently of age, mean HbA1c, urinary albumin/creatinine ratio, baseline eGFR, uric acid, and leucocyte count.Conclusions.Subclinical atherosclerosis and long-term glycemic variability predict deterioration of chronic kidney disease (as defined by incident or worsening CKD) in type 2 diabetic patients with preserved kidney function.


2010 ◽  
Vol 299 (5) ◽  
pp. F1026-F1039 ◽  
Author(s):  
Rusty Kelley ◽  
Eric S. Werdin ◽  
Andrew T. Bruce ◽  
Sumana Choudhury ◽  
Shay M. Wallace ◽  
...  

Established chronic kidney disease (CKD) may be identified by severely impaired renal filtration that ultimately leads to the need for dialysis or kidney transplant. Dialysis addresses only some of the sequelae of CKD, and a significant gap persists between patients needing transplant and available organs, providing impetus for development of new CKD treatment modalities. Some postulate that CKD develops from a progressive imbalance between tissue damage and the kidney's intrinsic repair and regeneration processes. In this study we evaluated the effect of kidney cells, delivered orthotopically by intraparenchymal injection to rodents 4–7 wk after CKD was established by two-step 5/6 renal mass reduction (NX), on the regeneration of kidney function and architecture as assessed by physiological, tissue, and molecular markers. A proof of concept for the model, cell delivery, and systemic effect was demonstrated with a heterogeneous population of renal cells (UNFX) that contained cells from all major compartments of the kidney. Tubular cells are known contributors to kidney regeneration in situ following acute injury. Initially tested as a control, a tubular cell-enriched subpopulation of UNFX (B2) surprisingly outperformed UNFX. Two independent studies (3 and 6 mo in duration) with B2 confirmed that B2 significantly extended survival and improved renal filtration (serum creatinine and blood urea nitrogen). The specificity of B2 effects was verified by direct comparison to cell-free vehicle controls and an equivalent dose of non-B2 cells. Quantitative histological evaluation of kidneys at 6 mo after treatment confirmed that B2 treatment reduced severity of kidney tissue pathology. Treatment-associated reduction of transforming growth factor (TGF)-β1, plasminogen activator inhibitor (PAI)-1, and fibronectin (FN) provided evidence that B2 cells attenuated canonical pathways of profibrotic extracellular matrix production.


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