[Show abstract][Hide abstract] ABSTRACT: To identify all literature regarding depression in patients with advanced cancer and among mixed hospice populations, and to summarise the prevalence of depression according to different definitions.
A systematic review was performed using extensive electronic and hand searches. All studies with quantitative data on prevalence of depression were included and categorised according to their definition of depression.
We identified 46 eligible studies giving information on the prevalence of depression, and a further four which gave information on case finding. The most widely used assessment of depression was the Hospital Anxiety and Depression Scale (HADS), which gave a median prevalence of 'definite depression' (i.e., a score on the depression subscale of > 10) of 29%, (interquartile range, IQR, 19.50-34.25%). Studies that used psychiatric interviews indicated a prevalence of major depressive disorder ranging from 5% to 26%, with a median of 15%. Studies were generally small (median sample size 88.5, IQR 50-108), had high numbers of nonresponders, and rarely gave confidence intervals for estimates of prevalence.
Depression is a common problem in palliative care settings. The quality of much of the available research is poor, based on small samples of patients with very high nonparticipation rates. The clinical importance of depression is described in subsequent papers.
Palliative Medicine 03/2002; 16(2):81-97. · 2.85 Impact Factor
[Show abstract][Hide abstract] ABSTRACT: ABSTRACT– A self-assessment scale has been developed and found to be a reliable instrument for detecting states of depression and anxiety in the setting of an hospital medical outpatient clinic. The anxiety and depressive subscales are also valid measures of severity of the emotional disorder. It is suggested that the introduction of the scales into general hospital practice would facilitate the large task of detection and management of emotional disorder in patients under investigation and treatment in medical and surgical departments.
[Show abstract][Hide abstract] ABSTRACT: Depression is the psychiatric syndrome that has received the most attention in individuals with cancer. The study of depression has been a challenge because symptoms occur on a broad spectrum that ranges from sadness to major affective disorder and because mood change is often difficult to evaluate when a patient is confronted by repeated threats to life, is receiving cancer treatments, is fatigued, or is experiencing pain. Although many research groups have assessed depression in cancer patients since the 1960s, the reported prevalence (major depression, 0%-38%; depression spectrum syndromes, 0%-58%) varies significantly because of varying conceptualizations of depression, different criteria used to define depression, differences in methodological approaches to the measurement of depression, and different populations studied. Depression is highly associated with oropharyngeal (22%-57%), pancreatic (33%-50%), breast (1.5%-46%), and lung (11%-44%) cancers. A less high prevalence of depression is reported in patients with other cancers, such as colon (13%-25%), gynecological (12%-23%), and lymphoma (8%-19%). This report reviews the prevalence of depression in cancer patients throughout the course of cancer.
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