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Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder
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Depression in sleep disorders clinics.

A M Husain1, K A Mebust, S T Carwile

  • 1Sleep Disorders Center, Duke University, Durham, NC, husai00l@mc.duke.edu.

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PubMed
Summary
This summary is machine-generated.

Depression is common in sleep clinics, affecting 29% of patients. While high respiratory disturbance index (RDI) correlates with lower depression scores, depression should be considered in patients with sleep apnea symptoms, regardless of RDI, and not impede polysomnography (PSG) decisions.

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Area of Science:

  • Sleep Medicine
  • Psychiatry
  • Clinical Research

Background:

  • Depression is a prevalent condition with significant impact on quality of life.
  • Sleep disorders are frequently encountered in clinical settings, often co-occurring with other medical conditions.

Purpose of the Study:

  • To ascertain the incidence of depression within a sleep disorders clinic.
  • To investigate the relationship between depression and patient characteristics.
  • To determine if depression prevalence differs between patients with and without sleep apnea.

Main Methods:

  • Utilized the Beck Depression Inventory (BDI) to screen for depression.
  • Reviewed patient records, including BDI scores and polysomnogram (PSG) results.
  • Categorized patients based on respiratory disturbance index (RDI > 15) and BDI scores (≥ 13 for depression).

Main Results:

  • 29% of the 63 enrolled patients exhibited symptoms of depression.
  • Patients with a high RDI demonstrated lower BDI scores and elevated arousal indices.
  • No significant differences in evaluated parameters were observed between patients with high and low BDI scores.

Conclusions:

  • Depressive symptoms are frequently observed in sleep clinic populations.
  • Consider depression in patients with sleep apnea symptoms, even with low RDI.
  • The diagnosis of depression should not deter the decision to perform polysomnography (PSG).