ArticleLupus2022
Lipoprotein(a) in systemic lupus erythematosus is associated with history of proteinuria and reduced renal function.
Article in Lupus, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors at 2 institutions in 1 country.
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Abstract
objectiveProteinuria is the clinical expression of lupus nephritis and despite recent advances in the therapeutic armamentarium for lupus nephritis, morbidity and mortality rates remain high. Therefore, the identification of factors that predict lupus nephritis is paramount in preventing damage accrual and disease progression. Lipoprotein (a) (Lp[a]) is a primarily genetically inherited plasma lipoprotein with pro-thrombotic and pro-atherosclerotic effects. Elevated Lp(a) has been observed at early stages of renal impairment in the general population and is associated with the development of chronic kidney disease. However, little is known about renal implications of Lp(a) in SLE. Thus, we evaluated Lp(a) and atherosclerotic events, thrombotic events, renal disease, and disease activity in patients with SLE.
methodsSLE patients fulfilling the revised American College of Rheumatology (ACR) or SLICC classification criteria with a measurement of Lp(a) were included in the analysis. A cutoff of 125 nmol/L was chosen based on expert opinion. Chi-square test was used to compare the differences between patient characteristics and Lp(a) levels. Logistic regression or linear regression were used, where appropriate, to assess the association between Lp(a) values and the measured outcomes.
resultsLp(a) levels from 562 patients were analyzed. There was an association between elevated Lp(a) and a history of proteinuria (OR 1.58,
conclusionElevated Lp(a) was associated with proteinuria, independent of known factors associated with lupus proteinuria, as well as reduced eGFR and physician global activity. Our findings highlight the potential role of Lp(a) as a noninvasive biomarker for early renal disease in SLE.
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