Patients over the age of 70 constitute the fastest growing segment of the ESKD population worldwide, but most of them are not considered candidates for kidney transplantation (KT). We have developed a simple clinical screening score to identify incident elderly dialysis patients over 70 years with an acceptable long-term prognosis to identify those patients most suitable for KT evaluation. From the French national prospective registry, a logistic regression was used to develop a risk score of mortality within 3 years in a derivation cohort (years 2002-06) and validated in a separate cohort (years 2007-08). Of the 9305 patients in the derivation cohort, the points assigned for the score were: male (1pt); age (75-80); 2pts), (80-85; 5pts), 85 and over (9pts); diabetes (2pts); intermittent hemodialysis (2pt); peripheral vascular disease stage III-IV (5pts); congestive heart failure stages I-II (2pts), III-IV (4pts); dysrhythmia (2pts); chronic respiratory disease (2pts); active malignancy (5pts); severe behavioral disorder (6pts); cardiovascular disease (1pt); mobility (needs assistance for transfers (4pt), totally dependent (9pts)); BMI (21-25; 1pt), BMI (<21; 3pts); and temporary central vascular catheter (3pts). In the 7947 patient validation cohort, the probability of patients being alive within 3 years was around 70% for the lowest risk score quintile (0-6 pts) representing about 20% of incident patients. Thus, our tool identified a subgroup of patients to help nephrologists select individuals who, despite their age, could be suitable candidates for KT evaluation.
Background: Elderly patients with chronic kidney disease (CKD) frequently present comorbidities that put them at risk of polypharmacy and medication-related problems. This study aims to describe the overall medication profile of patients aged ≥75 years with advanced CKD from a multicenter French study and specifically the renally (RIMs) and potentially inappropriate-for-the-elderly medications (PIMs) that they take.Methods: This is a cross-sectional analysis of medication profiles of individuals aged ≥75 years with eGFR < 20 ml/min/1.73 m2 followed by a nephrologist, who collected their active prescriptions at the study inclusion visit. Medication profiles were first analyzed according to route of administration, therapeutic classification. Second, patients were classified according to their risk of potential medication-related problems, based on whether the prescription was a RIM or a PIM. RIMs and PIMs have been defined according to renal appropriateness guidelines and to Beer's criteria in the elderly. RIMs were subclassified by 4 types of category: (a) contraindication; (b) dose modification is recommended based on creatinine clearance (CrCl); (c) dose modification based on CrCl is not recommended but a maximum daily dose is mentioned, (d) no specific recommendations based on CrCl: "use with caution", "avoid in severe impairment", "careful monitoring of dose is required" "reduce the dose". Results:We collected 5196 individual medication prescriptions for 556 patients, for a median of 9 daily medications [7][8][9][10][11]. Antihypertensive agents, antithrombotics, and antianemics were the classes most frequently prescribed. Moreover, 77.0% of patients had at least 1 medication classified as a RIM. They accounted 31.3% of the drugs prescribed and 9.25% was contraindicated drugs. At least 1 PIM was taken by 57.6 and 45.5% of patients had at least one medication classified as RIM and PIM. The prescriptions most frequently requiring reassessment due to potential adverse effects were for proton pump inhibitors and allopurinol. The PIMs for which deprescription is especially important in this population are rilmenidine, long-term benzodiazepines, and anticholinergic drugs such as hydroxyzine.(Continued on next page) Conclusion: We showed potential drug-related problems in elderly patients with advanced CKD. Healthcare providers must reassess each medication prescribed for this population, particularly the specific medications identified here.Trial registration: NCT02910908.
These findings indicate that nephrology care should accommodate changes over time in older patients' treatment preferences and plans concerning dialysis. These changes are associated with whether, when and how these patients initiate dialysis but are not necessarily associated with post-dialysis survival.
SummaryBackground and objectives Inhibition of the renin-angiotensin-aldosterone system decreases proteinuria and slows estimated GFR decline in patients with type 2 diabetes mellitus with overt nephropathy. Serum aldosterone levels may increase during renin-angiotensin-aldosterone system blockade. The determinants and consequences of this aldosterone breakthrough remain unknown.Design, setting, participants, & measurements This study examined the incidence, determinants, and changes associated with aldosterone breakthrough in a posthoc analysis of a randomized study that compared the effect of two angiotensin II receptor blockers in patients with type 2 diabetes mellitus with overt nephropathy.Results Of 567 of 860 participants included in this posthoc analysis, 28% of participants developed aldosterone breakthrough, which was defined by an increase greater than 10% over baseline values of serum aldosterone levels after 1 year of angiotensin II receptor blocker treatment. Factors independently associated with aldosterone breakthrough at 1 year were lower serum aldosterone and potassium levels at baseline, higher decreases in sodium intake, systolic BP, and estimated GFR from baseline to 1 year, and use of losartan versus telmisartan. Aldosterone breakthrough at 6 months was not sustained at 1 year in 69% of cases, and it did not predict estimated GFR decrease and proteinuria increase between 6 months and 1 year.Conclusions Aldosterone breakthrough is a frequent event 1 year after initiating renin-angiotensin-aldosterone system blockade, particularly in participants exposed to intensive lowering of BP with sodium depletion and short-acting angiotensin II receptor blockers. Short-term serum aldosterone level increases at 6 months are not associated with negative kidney outcomes between 6 months and 1 year.
Background: Dialysis registries have reported a low take-up of home treatment. The aim of our study was to report patients' preferred treatment options for end-stage renal disease (ESRD) after information delivery, patients' characteristics by treatment preference, and the reasons for differences between treatment preference and the treatment delivered. Methods: A prospective cohort study on patients seen in our nephrology department between January 2009 and June 2011 included all patients with chronic kidney disease (GFR <20 ml/min/1.73 m2) and incident dialysis patients who received an information program about ESRD treatment options. Results: 228 patients received information delivery and either expressed a preference for a given renal replacement therapy (peritoneal dialysis, PD: 42%; hemodialysis, HD: 33%), remained undecided (20%) or expressed reluctance to undergo renal replacement therapy (5%). Multivariate analysis revealed that compared to HD preference, patients preferring PD were older (OR 1.02, 95% CI 1.0-1.04), had a lower BMI (OR 0.9, 95% CI 0.87-0.98) and were more likely to have been informed before rather than after starting dialysis (OR 3.4, 95% CI 1.5-7.4); home treatment was the main reason given for preferring PD. Undecided patients were mainly women and the majority were eventually treated by HD. Reluctant patients were the oldest (OR 1.12, 95% CI 1.02-1.22) and were rarely treated by dialysis. Only 24% of patients informed before and 8% of patients informed after starting dialysis were ultimately treated with PD. Reasons for a mismatch between dialysis modality preference and treatment delivered were equally distributed between medical and nonmedical. Conclusion: Patients should be systematically informed before starting dialysis, patients' preferences should be taken into account before organizing dialysis and all treatment modalities should be available in all centers.
Tenofovir (TDF), atazanovir (ATAZ) and indinavir (IND) have been reported as possible risk factors for incident chronic kidney disease (CKD) in HIV-infected patients. We investigated the relationship between the duration of antiretroviral exposure and estimated glomerular filtration rate (eGFR) evolution in CKD patients. In a cohort of 1,750 HIV-infected patients, we identified 121 CKD patients with a mean follow-up of 44 ± 35 months. The relationship between mean eGFR at baseline, eGFR slope and time exposure to antiretroviral treatment as well as confounding factors were investigated using a joint modeling procedure. Seventy (58%), 30 (25%) and 33 patients (27%), with a mean age of 50.3 ± 11.7 years, mean eGFR at baseline of 53.0 ± 0.8 (ml/min/1.73 m2) and eGFR slope of 0.46 ± 0.07 ml/min/1.73 m2/year, were exposed to TDF, ATAZ and IND, respectively. In univariate analysis, hepatitis C virus infection, decreased nadir of log CD4 count, high blood pressure at baseline, angiotensin-converting enzyme inhibitor treatment and greater time exposure to TDF during follow-up were associated with a higher slope, whereas greater time exposure to IND was associated with a lower slope. In multivariate analysis, higher TDF time exposure was still significantly associated with eGFR decline, with a dose-effect relationship (slope ± standard error of the mean: 1.1 ± 0.1, 0.5 ± 0.1, –0.07 ± 0.08 and –0.87 ± 0.06 ml/min/1.73 m2/year for no time exposure, <34, 34–67 and ≥67%, respectively; trend test: p < 0.001), whereas the IND time exposure association was abolished. In HIV patients with CKD, a greater TDF time exposure was independently associated, in a graded manner, with a greater eGFR decline.
Background Elderly patients with chronic kidney disease (CKD) frequently present comorbidities that put them at risk of polypharmacy and medication-related problems. This study aims to describe the overall medication profile of patients aged ≥ 75 years with advanced CKD from a multicenter French study and specifically the renally (RIMs) and potentially inappropriate-for-the-elderly medications (PIMs) that they take. Methods This is a cross-sectional analysis of medication profiles of individuals aged ≥ 75 years with eGFR < 20 ml/min/1.73m2 followed by a nephrologist, who collected their active prescriptions at the study inclusion visit. Medication profiles were analyzed according to route of administration, therapeutic classification, and their potential inappropriateness for these patients, according to Beers' criteria. Results We collected 5196 individual medication prescriptions for 556 patients, for a median of 9 daily medications [7-11]. Antihypertensive agents, antithrombotics, and antianemics were the classes most frequently prescribed. Moreover, 88% of patients had at least 1 medication classified as a RIM, and 21% of those were contraindicated drugs. At least 1 PIM was taken by 68.9%. The prescriptions most frequently requiring reassessment due to potential adverse effects were for proton pump inhibitors and allopurinol. The PIMs for which deprescription is especially important in this population are rilmenidine, long-term benzodiazepines, and anticholinergic drugs such as hydroxyzine. Conclusion We showed potential drug-related problems in elderly patients with advanced CKD. Healthcare providers must reassess each medication prescribed for this population, particularly the specific medications identified here.
The NM-Score is a reliable, reproducible outcome measure with value in clinical practice and in clinical research for the description of patients and the constitution of uniform patient groups (in terms of motor function).
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