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Review
March 2016

Depression and Survival in Patients With Head and Neck CancerA Systematic Review

Author Affiliations
  • 1Division of Otolaryngology–Head & Neck Surgery, University of Alberta, Edmonton, Canada
  • 2Department of Psychiatry, University of Alberta, Edmonton, Canada
  • 3University of Alberta Libraries, University of Alberta, Edmonton, Canada
JAMA Otolaryngol Head Neck Surg. 2016;142(3):284-288. doi:10.1001/jamaoto.2015.3171
Abstract

Importance  The incidence of depression in patients with head and neck cancer (HNC) is estimated to be as high as 40%. Previous studies have demonstrated an effect of depression on rehabilitation and survival in the posttreatment period.

Objective  To systematically review the relationship between depression and survival in patients with HNC undergoing curative treatment.

Evidence Review  A search of electronic databases as well as gray literature was undertaken from January 1, 1974, to August 20, 2014, including MEDLINE (via Ovid), EMBASE (via Ovid), CINAHL, EBSCO, PsycINFO (via Ovid), Elsevier Scopus, and Institute for Scientific Information Web of Science Core Collection, using controlled vocabulary and medical subject headings representing HNC, depression, and survival. Articles in these databases were reviewed for inclusion by 2 independent reviewers according to predetermined eligibility criteria and were adjudicated by a third reviewer. The articles were then quantitatively scored using the GRACE (Good Research for Comparative Effectiveness) tool, a validated instrument for assessing the quality of observational studies. Qualitative assessment of each article was then undertaken.

Findings  A total of 654 references were retrieved across all databases. A review of the abstracts and full texts identified 3 articles, each describing a distinct, single study, including a total of 431 patients, that were eligible for analysis. Scores for the articles as assessed with the GRACE tool ranged from 9 to 11. In each of the 3 studies used in the analysis, the comparison groups were depressed and nondepressed patients as established by a standardized psychiatric assessment tool. Two of the 3 studies demonstrated a statistically significant difference in survival for patients with HNC and depression; however, a sensitivity analysis was not possible due to the incompatible statistical analyses performed in each study.

Conclusions and Relevance  An association between depression and survival in patients with HNC is apparent; however, the strength and etiology of this association is not yet clear. Further directed and multi-institutional study is required to investigate this association and determine appropriate screening and management strategies.

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