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1.
Clin Kidney J ; 12(5): 663-672, 2019 Oct.
Article in English | MEDLINE | ID: mdl-31584562

ABSTRACT

BACKGROUND: Patients with chronic kidney disease (CKD) bear a substantial burden of comorbidities leading to the prescription of multiple drugs and a risk of polypharmacy. However, data on medication use in this population are scarce. METHODS: A total of 5217 adults with an estimated glomerular filtration rate (eGFR) between 30 and 60 mL/min/1.73 m2 or an eGFR ≥60 mL/min/1.73m2 and overt proteinuria (>500 mg/day) were studied. Self-reported data on current medication use were assessed at baseline (2010-12) and after 4 years of follow-up (FU). Prevalence and risk factors associated with polypharmacy (defined as the regular use of five or more drugs per day) as well as initiation or termination of polypharmacy were evaluated using multivariable logistic regression. RESULTS: The prevalence of polypharmacy at baseline and FU was almost 80%, ranging from 62% in patients with CKD Stage G1 to 86% in those with CKD Stage G3b. The median number of different medications taken per day was eight (range 0-27). ß-blockers, angiotensin-converting enzyme inhibitors and statins were most frequently used. Increasing CKD G stage, age and body mass index, diabetes mellitus, cardiovascular disease and a history of smoking were significantly associated with both the prevalence of polypharmacy and its maintenance during FU. Diabetes mellitus was also significantly associated with the initiation of polypharmacy [odds ratio (OR) 2.46, (95% confidence interval 1.36-4.45); P = 0.003]. CONCLUSION: Medication burden in CKD patients is high. Further research appears warranted to address the implications of polypharmacy, risks of drug interactions and strategies for risk reduction in this vulnerable patient population.

3.
Am J Med ; 130(7): 833-841.e3, 2017 07.
Article in English | MEDLINE | ID: mdl-28366423

ABSTRACT

BACKGROUND: Glucagon-like peptide 1 (GLP-1) is an incretin hormone, which stimulates glucose-dependent insulin secretion from the pancreas and holds immune-regulatory properties. A marked increase of GLP-1 has been found in critically ill patients. This study was performed to elucidate the underlying mechanism and evaluate its prognostic value. METHODS: GLP-1 plasma levels were determined in 3 different patient cohorts: 1) critically ill patients admitted to our intensive care unit (n = 215); 2) patients with chronic kidney disease on hemodialysis (n = 173); and 3) a control group (no kidney disease, no acute inflammation, n = 105). In vitro experiments were performed to evaluate GLP-1 secretion in response to human serum samples from the above-described cohorts. RESULTS: Critically ill patients presented with 6.35-fold higher GLP-1 plasma level in comparison with the control group. There was a significant correlation of GLP-1 levels with markers for the severity of inflammation, but also kidney function. Patients with end-stage renal disease displayed 4.46-fold higher GLP-1 concentrations in comparison with the control group. In vitro experiments revealed a strong GLP-1-inducing potential of serum from critically ill patients, while serum from hemodialysis patients only modestly increased GLP-1 secretion. GLP-1 levels independently predicted mortality in critically ill patients and patients with end-stage renal disease. CONCLUSIONS: Chronic and acute inflammatory processes like sepsis or chronic kidney disease increase circulating GLP-1 levels. This most likely reflects a sum effect of increased GLP-1 secretion and decreased GLP-1 clearance. GLP-1 plasma levels independently predict the outcome of critically ill and end-stage renal disease patients.


Subject(s)
Critical Illness/mortality , Glucagon-Like Peptide 1/blood , Kidney Failure, Chronic/mortality , Adolescent , Adult , Aged , Aged, 80 and over , Biomarkers/blood , Critical Care , Critical Illness/therapy , Female , Glucagon-Like Peptide 1/metabolism , Humans , Kidney Failure, Chronic/blood , Kidney Failure, Chronic/therapy , Male , Middle Aged , Renal Dialysis , Sepsis/blood , Sepsis/mortality , Sepsis/therapy , Young Adult
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