No significant association between depression and CKD progression: Study
No significant association was found between depressive symptoms and a higher hazard of dialysis initiation or combined outcome in patients with chronic kidney disease, according to a recent study published in the Clinical Kidney Journal.
Depressive symptoms are associated with adverse clinical outcomes in patients with end-stage kidney disease. Yet, few small studies have examined this association in patients with earlier phases of chronic kidney disease (CKD). We studied associations between baseline depressive symptoms and clinical outcomes in older patients with advanced CKD and examined whether these associations differed depending on sex.
CKD patients (≥65 years; eGFR ≤ 20 mL/min/1.73m2) were included from a European multicenter prospective cohort between 2012 and 2019. Depressive symptoms were measured by the 5-item Mental Health Inventory (cut-off ≤ 70;0–100 scale). Cox proportional hazard analysis was used to study associations between depressive symptoms and time to dialysis initiation, all-cause mortality, and these outcomes combined. A joint model was used to study the association between depressive symptoms and kidney function over time. Analyses were adjusted for potential baseline confounders.
The Results of the study are:
Overall kidney function decline in 1326 patients was -0.12 mL/min/1.73m2/month. 515 patients showed depressive symptoms. No significant association was found between depressive symptoms and kidney function over time (p = 0.08). Men with depressive symptoms had an increased mortality rate compared to those without symptoms (adjusted HR 1.41, 95%CI 1.03;1.93), women had not. Depressive symptoms were not significantly associated with a higher hazard of dialysis initiation, nor with the combined outcome (i.e. dialysis initiation and all-cause mortality).
Thus, the researchers concluded that there was no significant association between depressive symptoms at baseline and decline in kidney function over time in older patients with advanced CKD. Depressive symptoms at baseline were associated with a higher mortality rate in men.
Reference:
Associations between depressive symptoms and disease progression in older patients with chronic kidney disease: results of the EQUAL study by Boukje C Eveleens Maarse, et al. published in the Clinical Kidney Journal.
https://academic.oup.com/ckj/advance-article/doi/10.1093/ckj/sfab261/6464202?rss=1
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