Chronic Pain and the Anxiety Disorders: Epidemiology, Mechanisms and Models of Comorbidity, and Treatment

摘要: This chapter provides an overview of the characteristics, theories, and treatments for comorbidity between anxiety disorders chronic pain. Consistent with majority research theory in this area, primary focus will be on comorbid pain posttraumatic stress disorder (PTSD), a stress- trauma-related that develops after exposure to traumatic stressor. In first section, we provide definition description features epidemiology disorders. Data two conditions is then presented, followed by consideration temporal precedence each condition etiology their co-occurrence. The next section describes three main theoretical approaches have been taken explain high rates; namely, mutual maintenance models, vulnerability combination two. Specific factors, such as sensitivity traumatization, are also discussed. overlap neurocircuitry neurophysiology common both PTSD reviewed, highlighting role amygdala, prefrontal cortex (PFC), insular cortex, anterior cingulate (ACC). Two major pathways development considered: fear-conditioning stress-induced analgesia. Finally, current psychological management strategies considered, emphasis biopsychosocial approach treatment. concludes discussion future directions.