Scopus: 12 cites, Google Scholar: cites
Risk of hyperkalemia in patients with moderate chronic kidney disease initiating angiotensin converting enzyme inhibitors or angiotensin receptor blockers : a randomized study
Espinel Garuz, Eugenia (Hospital Universitari Vall d'Hebron)
Joven Maried, Jorge (Universitat Rovira i Virgili)
Gil, Iván (Hospital Universitari Vall d'Hebron)
Suñé, Pilar (Hospital Universitari Vall d'Hebron)
Renedo, Berta (Hospital Universitari Vall d'Hebron)
Fort Ros, Joan (Hospital Universitari Vall d'Hebron)
Serón Micas, Daniel (Hospital Universitari Vall d'Hebron)

Data: 2013
Resum: Background: Angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers are renoprotective but both may increase serum potassium concentrations in patients with chronic kidney disease (CKD). The proportion of affected patients, the optimum follow-up period and whether there are differences between drugs in the development of this complication remain to be scertained. Methods: In a randomized, double-blind, phase IV, controlled, crossover study we recruited 30 patients with stage 3 CKD under restrictive eligibility criteria and strict dietary control. With the exception of withdrawals, each patient was treated with olmesartan and enalapril separately for 3 months each, with a 1-week wash-out period between treatments. Patients were clinically assessed on 10 occasions via measurements of serum and urine samples. We used the Cochran-Mantel-Haenszel statistics for comparison of categorical data between groups. Comparisons were also made using independent two-sample t-tests and Welch's t-test. Analysis of variance (ANOVA) was performed when necessary. We used either a Mann-Whitney or Kruskal-Wallis test if the distribution was not normal or the variance not homogeneous. Results: Enalapril and olmesartan increased serum potassium levels similarly (0. 3 mmol/L and 0. 24 mmol/L respectively). The percentage of patients presenting hyperkalemia higher than 5 mmol/L did not differ between treatments: 37% for olmesartan and 40% for enalapril. The mean e-GFR ranged 46. 3 to 48. 59 ml/mint/1. 73 m2 in those treated with olmesartan and 46. 8 to 48. 3 ml/mint/1. 73 m2 in those with enalapril and remained unchanged at the end of the study. The decreases in microalbuminuria were also similar (23% in olmesartan and 29% in enalapril patients) in the 4 weeks time point. The percentage of patients presenting hyperkalemia, even after a two month period, did not differ between treatments. There were no appreciable changes in sodium and potassium urinary excretion. Conclusions: Disturbances in potassium balance upon treatment with either olmesartan or enalapril are frequent and without differences between groups. The follow-up of these patients should include control of potassium levels, at least after the first week and the first and second month after initiating treatment.
Drets: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Llengua: Anglès
Document: Article ; Versió publicada
Publicat a: BMC public health, Vol. 6, N. 306 (August 2013) , p. 1-9, ISSN 1471-2458

DOI: 10.1186/1756-0500-6-306
PMID: 23915518

9 p, 567.0 KB

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