Sleep Med Psychophysiol.  1999 Dec;6(2):126-132.

Insomnia in Patients with Chronic Renal Failure on Hemodialysis

Affiliations
  • 1Department of Psychiatry, Dong-A University College of Medicine, Pusan, Korea.

Abstract


OBJECTIVES
The purposes of this study were to investigate 1) the incidence of insomnia, 2) the clinical characteristics of the insomniacs, 3) the correlation of severity of insomnia with somatic complaints and psychological distresses, and 4) the beliefs and attitudes about sleep in patients with chronic renal failure on hemodialysis.
METHODS
The author evaluated 153 patients, receiving hemodialysis therapy at the four outpatients hemodialysis units in Pusan, Korea. The patients had completed a self-administered questionnaire package, which consisted of basic demographic findings, questions characterizing insomnia, Beck Depression Inventory (BDI), Spielburger's State-Trait Anxiety Inventory (STAI), and visual analogue scales measuring quantitatively the severity of the self-perceived psychological and somatic symptoms. And several laboratory data were collected. Diagnosis of insomnia was made in the base of insomnia criteria of DSM-IV and international classification of sleep disorders. Subjects were dichotomized into those who reported any characteristics of insomnia or those who had no insomnia during the preceding two weeks.
RESULTS
Insomnia was found in 100 (65.4%) of 153 patients. No statistical differences were found between the patients with and without insomnia in terms of age, gender, education, marital status, mean duration of hemodialysis and all considered laboratory findings except serum albumin. The patients with insomnia had significantly higher BDI score and predialysis systolic blood pressure, and lower serum albumin as compared to non-insomnia group. Significant differences were found between two groups in terms of self-perceived distress such as sadness, anxiety, worry, pruritus, and dysfunction of daily life. The data showed statistically significant correlation between insomnia severity and some variables such as physical dysfunction, pruritus, bone pain, sadness, anxiety, worry, dysfunction of daily life and excessive daytime sleepiness. The patients with insomnia had significantly several dysfunctional beliefs and attitudes about sleep than those without insomnia.
CONCLUSION
These results indicate that insomnia is very common in hemodialysis patients and likely contribute to the impaired quality of life experienced by many these patients. The author suggests that physical and psychological distresses would be reduced and the quality of life could be improved if their sleep disturbances are properly ameliorated in patients on hemodialysis.

Keyword

Chronic renal failure; Hemodialysis; Insomnia

MeSH Terms

Anxiety
Blood Pressure
Busan
Classification
Depression
Diagnosis
Diagnostic and Statistical Manual of Mental Disorders
Education
Humans
Incidence
Kidney Failure, Chronic*
Korea
Marital Status
Outpatients
Pruritus
Quality of Life
Surveys and Questionnaires
Renal Dialysis*
Serum Albumin
Sleep Wake Disorders
Sleep Initiation and Maintenance Disorders*
Weights and Measures
Serum Albumin
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