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Prevalence of acute and post‐traumatic stress disorder and comorbid mental disorders in breast cancer patients during primary cancer care: a prospective study

This study aimed at the identification of acute and post‐traumatic stress responses, and comorbid mental disorders in breast cancer patients. Structured clinical interviews for DSM‐IV (SCID) were conducted post‐surgery with 127 patients (t1). Screening measures were used to assess post‐traumatic stress responses, anxiety, and depression at t1 and at 6 months follow‐up (t2). Based on the SCID, prevalence rates were 2.4% for both, cancer‐related ASD and PTSD. Experiences most frequently described as traumatic were the cancer diagnosis itself and subsequent feelings of uncertainty. Patients with lifetime PTSD (8.7%) were more likely to meet the criteria for cancer‐related ASD or PTSD (OR=14.1). Prevalence estimates were 7.1% for Adjustment Disorder, 4.7% for Major Depression, 3.1% for Dysthymic Disorder and 6.3% for Generalized Anxiety Disorder. Using the screening instruments, IES‐R, PCL‐C and HADS, we found PTSD in 18.5% at t1 and 11.2–16.3% at t2. The estimates of anxiety and depression reveal rates of 39.6% (t1) and 32.7% (t2) for anxiety, as well as 16.0% (t1) and 13.3% (t2) for depression (t1) (cut‐off⩾8). The diagnosis of a life‐threatening illness has been included as a potential trauma in the DSM‐IV. However, it has to be critically evaluated whether subjective feelings of uncertainty like fears of treatment count among traumatic stressors, and thus, whether the diagnosis of PTSD is appropriate in this group of cancer patients. However, a large number of women with emotional distress illustrate the need for psychosocial counseling and support in this early treatment phase. Copyright © 2006 John Wiley & Sons, Ltd.