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April 15, 2026Blood Purification

Anemia is linked to ~10-fold higher odds of depressive symptoms in hemodialysis patients.

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Why the study?

Depression is the most prevalent psychiatric disorder in ESRD patients receiving hemodialysis and is linked to adverse clinical outcomes, prompting evaluation of its clinical and sociodemographic correlates.

Population

174 adults on hemodialysis for at least three months in a Portuguese center

Comparison

Clinical and sociodemographic variables associated with depressive symptoms (PHQ-9 score ≥10)

Design

Cross-sectional study

Key result

Female gender, anemia (OR 10.54; 95% CI 2.44-45.62), and higher comorbidity were independently associated with depressive symptoms in hemodialysis patients, while religious practice was protective.

Authors

MMMariana Jeremias MacedoBBBárbara BeirãoRRRui Rodrigues

Discussion

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Overview

Supports targeted depression screening in high-risk hemodialysis patients; leaves open causality pending prospective validation.

Key Points

  • This study aims to identify factors contributing to depressive symptoms in patients undergoing hemodialysis.
  • Conducted a cross-sectional study in a Portuguese hemodialysis center
  • Sample included adults on hemodialysis for at least three months
  • Collected sociodemographic, clinical, and laboratory data
  • Assessed depressive symptoms with the Patient Health Questionnaire-9 (PHQ-9)
  • Analyzed associations using bivariate methods and multivariate logistic regression.
  • 14 out of 174 patients (8%) displayed clinically significant depressive symptoms
  • Female gender, higher Charlson Comorbidity Index, and anemia were significantly associated with depression
  • Religious practice was inversely associated with depressive symptoms

Study Design

Type

Cross-Sectional (n=174)

Multicenter

No

Structured PICO

P
Population
174 adults (≥18 years) on hemodialysis for at least three months, mean age 70.2 ± 13.7 years, 61.5% male, in a Portuguese HD center. Excluded: cognitive impairment, communication difficulties, advanced malignancy, and acute debilitating illness.
O
Outcome
Clinically significant depressive symptoms assessed using the Patient Health Questionnaire-9 (PHQ-9) with scores ≥10patient reported

In hemodialysis patients, female gender, anemia, and higher comorbidity burden are associated with depressive symptoms, while religious practice appears protective.

Cite This Study

Macedo et al. (2026) conducted a cross-sectional in End-stage renal disease receiving hemodialysis (n=174). Female gender, anemia (OR 10.54; 95% CI 2.44-45.62), and higher comorbidity were independently associated with depressive symptoms in hemodialysis patients, while religious practice was protective.

synapsesocial.com/papers/69df2abce4eeef8a2a6afb71https://doi.org/10.1159/000551823
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Depression in dialysis patients with end-stage kidney disease: investigating the role of psychosocial stressors, co-occurring medical conditions and demographic influences2026 · 1 citations
  2. 2Factors Associated with Depressive Symptoms in Hemodialysis Patients: An Age-specific Analysis From a Multicenter Cross-sectional Study2026
  3. 3Factors Affecting Depressive Symptoms in Patients According to Haemodialysis Duration2026
  4. 4The Effect of Depression in Chronic Hemodialysis Patients on Inpatient Hospitalization Outcomes2017 · 42 citations
  5. 5Analysis of depression prevalence and associated influencing factors in maintenance hemodialysis patients2025