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- Bosi, A., et al.
(författare)
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Absolute and Relative Risks of Kidney Outcomes Associated With Lithium vs Valproate Use in Sweden
- 2023
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Ingår i: JAMA Network Open. - : American Medical Association (AMA). - 2574-3805. ; 6:7
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Tidskriftsartikel (refereegranskat)abstract
- Importance Among patients with bipolar disorder, discordant findings have been published on the nephrotoxic effects of lithium therapy. Objective To quantify absolute and relative risks of chronic kidney disease (CKD) progression and acute kidney injury (AKI) in people who initiated lithium compared with valproate therapy and to investigate the association between cumulative use and elevated lithium levels and kidney outcomes. Design, Setting, and Participants This cohort study had a new-user active-comparator design and used inverse probability of treatment weights to minimize confounding. Included patients initiated therapy with lithium or valproate from January 1, 2007, to December 31, 2018, and had a median follow-up of 4.5 years (IQR, 1.9-8.0 years). Data analysis began in September 2021, using routine health care data from the period 2006 to 2019 from the Stockholm Creatinine Measurements project, a recurrent health care use cohort of all adult residents in Stockholm, Sweden. Exposures New use of lithium vs new use of valproate and high (>1.0 mmol/L) vs low serum lithium levels. Main Outcomes and Measures Progression of CKD (composite of >30% decrease relative to baseline estimated glomerular filtration rate [eGFR] and kidney failure), AKI (by diagnosis or transient creatinine elevations), new albuminuria, and annual eGFR decrease. Outcomes by attained lithium levels were also compared in lithium users. Results The study included 10946 people (median [IQR] age, 45 [32-59] years; 6227 female [56.9%]), of whom 5308 initiated lithium therapy and 5638 valproate therapy. During follow-up, 421 CKD progression events and 770 AKI events were identified. Compared with patients who received valproate, those who received lithium did not have increased risk of CKD (hazard ratio [HR], 1.11 [95% CI, 0.86-1.45]) or AKI (HR, 0.88 [95% CI, 0.70-1.10]). Absolute 10-year CKD risks were low and similar: 8.4% in the lithium group and 8.2% in the valproate group. No difference in the risk of developing albuminuria or the annual rate of eGFR decrease was found between groups. Among more than 35000 routine lithium tests, only 3% of results were in the toxic range (>1.0 mmol/L). Lithium values greater than 1.0 mmol/L, compared with lithium values of 1.0 mmol/L or less, were associated with increased risk of CKD progression (HR, 2.86; 95% CI, 0.97-8.45) and AKI (HR, 3.51; 95% CI, 1.41-8.76). Conclusions and Relevance In this cohort study, compared with new use of valproate, new use of lithium was meaningfully associated with adverse kidney outcomes, with low absolute risks that did not differ between therapies. However, elevated serum lithium levels were associated with future kidney risks, particularly AKI, emphasizing the need for close monitoring and lithium dose adjustment.
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| 2. |
- Bosi, A., et al.
(författare)
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Quality of laboratory biomarker monitoring during treatment with lithium in patients with bipolar disorder
- 2023
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Ingår i: Bipolar Disorders. - : Wiley. - 1398-5647 .- 1399-5618. ; 25:6, s. 499-506
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Tidskriftsartikel (refereegranskat)abstract
- BackgroundClinical guidelines recommend monitoring of creatinine and lithium throughout treatment with lithium. We here assessed the extent to which this occurs in healthcare in Sweden. MethodsThis is an observational study of all adults with bipolar disorder starting lithium therapy in Stockholm, Sweden, during 2007-2018. The main outcome was monitoring of blood lithium and creatinine at therapy initiation and/or once annually. The secondary outcome was monitoring of calcium and thyroid-stimulating hormone (TSH). Patients were followed up until therapy cessation, death, out-migration, or to the end of 2018. ResultsWe identified 4428 adults with bipolar disorder who started lithium therapy and were followed up for up to 11 years. Their median age was 39 years, and 63% were women. The median duration on lithium therapy was 4.3 (IQR: 1.9-7.45) years, and the majority who discontinued therapy started another mood stabilizer soon after. Overall, 21% started lithium therapy without assessing the serum/plasma concentration of creatinine. The proportion of people who did not have both lithium and creatinine measured increased from 21% in the first year to 33% in the eleventh year. The proportion with annual testing for TSH or calcium was slightly lower. As few as 16% of patients had both lithium and creatinine tested once annually during their complete time on lithium. ConclusionsIn a Swedish community sample, lithium and creatinine monitoring was inconsistent with guideline recommendations that call for measurement of annual biomarker levels.
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| 3. |
- Elinder, C. G., et al.
(författare)
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Renal effects of exposure to metals
- 2022
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Ingår i: Handbook on the Toxicology of Metals (Fifth Edition). - 9780128232927 ; , s. 485-506
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- Several metals have nephrotoxic properties. In this chapter we discuss various methods for assessing nephrotoxicity, different forms of proteinuria, and methods of estimating the glomerular filtration rate. Metals may affect renal glomeruli, resulting in a decreased glomerular filtration rate, sometimes associated with massive albuminuria. Effects on renal tubular function are more common, affecting the reabsorption of minerals, glucose, amino acids, and low molecular weight proteins from filtered primary urine. Various biomarkers, especially proteinuria, are also discussed. The most important nephrotoxic metals are lead, cadmium, and mercury. Acute nephrotoxic effects are sometimes seen, especially in suicide attempts or as side effects when metals (e.g., gold, platinum, lithium and antimony) are used in treatment of certain diseases. Long-term exposure is more common, e.g., via diet, drinking water, or occupational exposure. For example, long-term exposure to cadmium sometimes causes chronic kidney disease, and in rare cases the development of end-stage renal disease with uremia. Lithium used for treatment of mano-depressive disorders often cause polyuria and sometimes chronic kidney disease. © 2022 Elsevier B.V. All rights reserved.
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