期刊
PSYCHOSOMATICS
卷 50, 期 4, 页码 383-391出版社
ELSEVIER SCIENCE INC
DOI: 10.1176/appi.psy.50.4.383
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Background: Mixed anxiety/depression is associated with poorer psychosocial and treatment outcomes, worse quality of life, poorer adherence to treatment, slower recovery, greater suicide risk, and higher cost-utilization. Objective: This study aimed to examine the cancer-specific prevalence of these symptoms. Method: Cross-sectional anxiety and depression symptom data were collected with the Brief Symptom Inventory from adult outpatients presenting to a tertiary cancer center (N = 8,265). Results: Mixed anxiety/depression symptoms were seen in 12.4% of patients; overall depression symptoms in 18.3%, overall anxiety symptoms in 24.0%, pure anxiety symptoms in 11.7%, and pure depression symptoms in 6.0%; 70% had neither. Higher rates of mixed anxiety/depression symptoms were seen with stomach, pancreatic, head and neck, and lung cancers, but lower rates were seen in those with breast cancers. The mixed anxiety/depression phenotype occurs in two-thirds of depressed cancer patients. Discussion: The fact that 70% of patients did not meet thresholds for depression or anxiety symptoms can be interpreted as a reflection of the resistance to developing a significant level of these symptoms. However, because stomach, pancreatic, head and neck, and lung cancers have higher levels of mixed anxiety/depression symptoms, the question can be raised as to whether these are associated with a more biological type of anxiety/depression (e.g., due to cytokine release) and whether this phenotype should be actively targeted because of its frequent occurrence in these cancers. (Psychosomatics 2009; 50: 383-391)
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