Managing anxiety in the medically ill

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Authors: Yu Dong, Fatima Noorani, Rushi Vyas, Chandrika Balgobin, Vanessa Torres-Llenza and Catherine Crone
Date: Jan. 2015
From: Psychiatric Times(Vol. 32, Issue 1)
Publisher: UBM LLC
Document Type: Article
Length: 2,450 words

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Anxiety is a fundamental aspect of the human experience. It can be an adaptive response to a perceived threat, with both psychological and physiological features. In the short term, anxiety can be a motivator and prepare one to confront a crisis. When anxiety persists or occurs abnormally, it can impair functioning and lead to an anxiety disorder. In the medical setting, anxiety can be a normal coping mechanism when dealing with the stress of illness. However, if it exceeds social, psychological, or physiological needs, anxiety can become maladaptive--leading to somatic symptoms that cause distress and impairment.

Prevalence of anxiety in the medically ill

Patients with primary anxiety disorders, such as generalized anxiety disorder (GAD), panic disorder, and phobias, as well as PTSD, report a higher rate of certain medical illnesses than are observed in the general population. The National Comorbidity Survey Replication showed a 12-month prevalence rate of 3.1% for GAD and a lifetime prevalence rate of 5.7%; the lifetime prevalence for panic disorder was found to be 4.7%, with a 12-month prevalence of 5.7%. (1) In comparison, the general prevalence of GAD in primary care is thought to be 8%. (2) Findings from Fleet and colleagues (3) suggest that an estimated 25% of 441 chest pain complaints in an emergency department (ED) setting were due to panic attacks.

Specific medical phobias, such as fear of blood, needles, or MRIs (due to claustrophobia), are quite common. Combined blood-injectioninjury phobias have been found to have a lifetime prevalence of over 3% in a general population sample. (4) The presence of these phobias is of concern because they can contribute to patients having difficulty in pursuing medical care.

The lifetime prevalence of PTSD is 6.8%, with a 12-month prevalence estimated to be 3.5% in the general population. (1) In a primary care setting, 12% of patients examined were found to have PTSD5; 30% to 40% of motor vehicle accident survivors were found to have PTSD, so were 20% to 45% of burn victims. (6) The diagnosis of an acute distress disorder strongly predicted the presence of PTSD 6 months later. (7) Although PTSD and acute stress disorder are categorized under trauma and stressor-related disorders in DSM-5, in this article, PTSD is considered as a primary anxiety disorder.

Impact of anxiety disorders on medical illness

Anxiety disorders cause diminished functioning and well-being along with increased suffering; these effects are amplified in the presence of comorbid medical illness. As a group, they contribute to symptom severity in medical populations, functional impairment, and increased risk of disease progression. Anxiety also plays a role in increased health care use and cost, greater number of iatrogenic complications, and decreased adherence to treatment.

Beyond psychosocial implications of anxiety disorders, there are also physiological effects of anxiety. Anxiety can create excessive sympathetic activation, alteration in inflammatory response, and disruption of the hypothalamic-pituitary-adrenal axis--predisposing patients to increased health risks. Comorbid anxiety disorders and medical illnesses often lead to a self-perpetuating cycle in which a chronic medical illness negatively affects level...

Source Citation

Source Citation
Dong, Yu, et al. "Managing anxiety in the medically ill." Psychiatric Times, vol. 32, no. 1, Jan. 2015, p. 33. Accessed 30 Sept. 2020.
  

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