title: Cancer pain and depression: a systematic review of age-related patterns.
abstract: BACKGROUND
  Pain is a common and debilitating symptom experienced by cancer patients of all ages. Cancer pain is associated with elevated levels of depression; however, age-related patterns in this relationship remain unclear. This information is important to provide effective palliation of pain and depression to the growing numbers of older cancer patients.
  
  
  OBJECTIVE
  To provide a systematic review of the literature regarding age-related patterns in the intensity or prevalence of depression among cancer patients with pain.
  
  
  METHODS
  Medical and psychological literature databases were searched to identify eligible studies. The methodological quality and outcomes of the studies were compiled and systematically reviewed.
  
  
  RESULTS
  Five articles, describing four studies, met the inclusion and exclusion criteria. Due to high levels of cross-study methodological variability, a qualitative review was undertaken. Three of the four studies did not find evidence for age-related patterns in depression. The fourth study found that depression increased with age.
  
  
  CONCLUSIONS
  The weight of the evidence suggests that younger and older cancer patients with pain report comparable levels of depression. However, this conclusion remains preliminary due to the methodological limitations of the available studies. Research is needed to more adequately address this important issue.
authors: School of Kinesiology and Health Science, York University, Toronto, Canada. lucia.gagliese@uhn.on.ca
authors: Lucia
authors: L
authors: Gagliese
authors: Lynn R
authors: LR
authors: Gauthier
authors: Gary
authors: G
authors: Rodin
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D003863:Depression / Q000209:etiology* / Q000523:psychology*; D006801:Humans; D008875:Middle Aged; D009369:Neoplasms / Q000150:complications* / Q000523:psychology*; D010146:Pain / Q000209:etiology* / Q000523:psychology*
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