• Fredrik Saboonchi, Lena-Marie Petersson, Agneta Wennman-Larsen, Kristina Alexanderson, Richard Brännström, and Marjan Vaez.
• Division of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Red Cross University College, Stockholm, Sweden. Electronic address: Fredrik.Saboonchi@ki.se.
• Eur J Oncol Nurs. 2014 Dec 1; 18 (6): 598-604.

BackgroundPsychological distress is prevalent in patients with breast cancer and is viewed as a non-pathological occurrence. Severe distress and mental disorder display a substantial overlap in both conceptual contexts and studies in oncological settings. A domain that may contribute to distinguishing non-pathological distress from signs of potential disorder is the transiency of distress.AimTo examine the transiency of distress response in breast cancer patients by investigating the changes in clinical caseness of depression and anxiety during one year following surgery.MethodsData on the Hospital Anxiety and Depression Scale from a cohort of 715 women with breast cancer on three assessments within one year following breast surgery were subjected to Generalized Estimation Equation Analysis, McNemar's test, and logistic regression.ResultsThere was a significant decrease in the proportions of anxiety cases from baseline (37.7%) to 4 months (26.7%) but no significant change from 4 to 12 months. Caseness in depression significantly increased from baseline (18.5%) to 4 months (21.5%) but decreased to 15.3% at 12 months. Only experience of major adverse life events contributed to 12 months caseness of anxiety and depression beyond baseline caseness.DiscussionThe average decrease in caseness of anxiety and depression a year following surgery lends support to the view of distress as a transient non-pathological response. A subgroup of patients, however, displayed enduring or recurrent severe distress indicating the presence of potential disorder. The findings emphasize the importance of screening and follow up monitoring of distress.Copyright © 2014 Elsevier Ltd. All rights reserved.

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