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Relationship between depression and proinflammatory cytokine levels in hemodialysis patients

Havva Cilan1, Nilufer Oguzhan, Aydin Unal

  • 1Department of Nephrology, Erciyes University Medical School, Kayseri, Turkey.

Renal Failure
|January 21, 2012
PubMed

Insights

Depression is common in hemodialysis patients but does not significantly alter proinflammatory cytokine levels. Antidepressant treatment improved mood but not these specific inflammatory markers.

Area of Science:

  • Nephrology
  • Psychiatry
  • Immunology

Background:

  • Depression is a frequent comorbidity in patients undergoing hemodialysis.
  • Proinflammatory cytokines are implicated in various chronic diseases, including those affecting kidney function.

Purpose of the Study:

  • To investigate the association between depression and proinflammatory cytokine levels (IL-1, IL-6, TNF-α) in hemodialysis patients.
  • To assess the impact of antidepressant treatment on these cytokine levels.

Main Methods:

  • A cohort of 40 hemodialysis patients and 20 healthy controls were assessed for depression using standardized diagnostic criteria and scales.
  • Blood samples were analyzed for IL-1, IL-6, and TNF-α levels before and after an 8-week course of antidepressant therapy in depressed patients.

Main Results:

  • Depression was diagnosed in 22.5% of hemodialysis patients.
  • While hemodialysis patients showed higher IL-1, IL-6, and TNF-α levels than controls, no significant differences were found between depressed and non-depressed hemodialysis patients.
  • Antidepressant treatment led to significant symptom improvement but did not alter proinflammatory cytokine levels.

Conclusions:

  • Depression is prevalent in hemodialysis patients but does not appear to significantly influence proinflammatory cytokine levels.
  • Standard antidepressant therapy effectively manages depressive symptoms but does not impact these specific inflammatory markers in this population.
Abstract

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