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Updated: Jul 28, 2026

Animal Models of Depression - Chronic Despair Model (CDM)
Published on: September 23, 2021
[Chronic pain and depression: study of 92 patients]
C A Pimenta1, M S Koizumi, M J Teixeira
1Departamento de Enfermagem Médico-Cirúrgica da Escola de Enfermagem da USP.
Abstract:
Was examined the influence of depression in the occurrence and pain intensity. Patients presenting advanced cancer (n = 92) were evaluated. The patients were divided in 2 groups, with or without pain during the week preceding the interview. Pain and depression were evaluated. Pain was observed in 62.0% of the cases and lasted 10 months as an average. It was moderate in the majority of patients and severe in 1/5 of them. Depression was related with the presence and intensity of pain. Patients with pain presented higher depression scores than patients without pain (p < 0.05). Higher pain scores were also correlated with higher depressive scores (p < 0.05).
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