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Glossary Acute pain: Pain that comes on quickly, can be severe, but lasts a relatively short time. (1)1 Addiction: A primary, chronic, neurobiologic disease whose development and manifestations are influenced by genetic, psychosocial, and environmental fac - tors. It is characterized by behavior that includes one or more of the following: impaired control over drug use, compulsive use, continued use despite harm, and craving. (2) Allodynia: Pain due to a stimulus that does not normally provoke pain. (3) Allostatic load: The cumulative physiological cost to the body of chronic expo- sure to the stress response. (4) Analgesia: Absence of pain in response to a stimulus that would normally be painful. (5) Beliefs: Assumptions about reality that shape the interpretation of events and, consequently, the appraisal of pain. (6) Biopsychosocial model: A framework that accounts for the biological, psycho- logical, and social dimensions of illness and disease. The biopsychosocial model Numbers in parentheses indicate the respective references listed at the end of this 1 glossary. 277
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278 RELIEVING PAIN IN AMERICA provides a basis for the understanding and treatment of disease, taking into account the patient, his/her social context, and the impact of illness on that individual from a societal perspective. The model states that ill health and disease are the result of interaction among biological, psychological, and social factors. (7) Chronic pain: Ongoing or recurrent pain lasting beyond the usual course of acute illness or injury or, generally, more than 3 to 6 months and adversely affect- ing the individual’s well-being. A simpler definition for chronic or persistent pain is pain that continues when it should not. (8) Cognitive-behavioral therapy: An empirically supported treatment focusing on patterns of thinking that are maladaptive and the beliefs that underlie such thinking. Cognitive-behavioral therapy is based on the idea that our thoughts, not external factors, such as people, situations, and events, cause our feelings and behavior. As a result, we can change the way we think to improve the way we feel, even if the situation does not change. (9) Hyperalgesia: Increased pain from a stimulus that normally provokes pain. (10) Interdisciplinary: Refers to efforts in which professionals from several disci- plines combine their professional expertise and understanding to solve a problem. Neuromatrix theory: Proposes that pain is a multidimensional experience pro- duced by characteristic “neurosignature” patterns of nerve impulses generated by a widely distributed neural network—the “body-self neuromatrix”—in the brain. These neurosignature patterns may be triggered by sensory inputs, but they may also be generated independently of them. (11) Neuropathic pain: Pain caused by a lesion or disease of the somatosensory nervous system. (12) Nociception: The neural processes of encoding and processing noxious stimuli. (13) Opioid: Any compound that binds to an opioid receptor. Includes the opioid drugs (agonist analgesics and antagonists) and the endogenous opioid peptides. (14) Pain: An unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage. (15) Pain catastrophizing: An individual’s tendency to focus on and exaggerate the threat value of painful stimuli and negatively evaluate his/her ability to deal with pain. (16)
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279 GLOSSARY Referred pain: Pain subjectively localized in one region although due to irrita - tion in another. (17) Self-efficacy: Beliefs that individuals hold about their capability to carry out actions in a way that will influence the events that affect their lives. (18) Sensitization: An increased response of neurons to a variety of inputs following intense or noxious stimuli. (19) REFERENCES (1) American Chronic Pain Association. 2011. Glossary. http://www.theacpa.org/30/Glossary.aspx (accessed June 9, 2011). (2) APS (American Pain Society). 2001. Definitions related to the use of opioids for the treatment of pain. http://www.ampainsoc.org/advocacy/opioids2.htm (accessed April 25, 2011). (3) IASP (International Association for the Study of Pain). 2011. Pain terms. http://www. iasp-pain.org/AM/Template.cfm?Section=Pain_Definitions&Template=/CM/HTMLDisplay. cfm&ContentID=1728#Allodynia (accessed June 9, 2011). (4) NIAAA (National Institute on Alcohol Abuse and Alcoholism). 2011. Glossary. http://pubs. niaaa.nih.gov/publications/arh312/177-179.pdf (accessed April 25, 2011). (5) IASP (International Association for the Study of Pain). 2011. Pain terms. http://www. iasp-pain.org/AM/Template.cfm?Section=Pain_Definitions&Template=/CM/HTMLDisplay. cfm&ContentID=1728#Analgesia (accessed June 9, 2011). (6) Gatchel, R. J., Y. B. Peng, M. L. Peters, P. N. Fuchs, and D. C. Turk. 2007. The biopsycho social approach to chronic pain: Scientific advances and future directions. Psychological Bulletin 133(4):581-624. (7) Brown, B. T., R. Bonello, and H. Pollard. 2005. The biopsychosocial model and hypothyroidism. Chiropractic and Osteopathy 13(1):5. (8) American Chronic Pain Association. 2011. Glossary. http://www.theacpa.org/30/Glossary.aspx (accessed June 9, 2011). (9) (a) NAMI (National Alliance on Mental Illness). 2011. Treatment and services—cognitive- behavioral therapy. http://www.nami.org/Template.cfm?Section=About_Treatments_and_ Supports&template=/ContentManagement/ContentDisplay.cfm&ContentID=7952 (accessed May 4, 2011). (b) NACBT (National Association of Cognitive-Behavioral Therapists). 2011. Cognitive- behavioral therapy. http://www.nacbt.org/whatiscbt.htm (accessed May 4, 2011). (10) IASP (International Association for the Study of Pain). 2011. Pain terms. http://www. iasp-pain.org/AM/Template.cfm?Section=Pain_Definitions&Template=/CM/HTMLDisplay. cfm&ContentID=1728#Hyperalgesia (accessed June 9, 2011). (11) Melzack, R. 2005. Evolution of the neuromatrix theory of pain. The Prithvi Raj Lecture: Presented at the Third World Congress of World Institute of Pain, Barcelona 2004. Pain Practice 5(2):85-94. (12) IASP (International Association for the Study of Pain). 2011. Pain terms. http://www. iasp-pain.org/AM/Template.cfm?Section=Pain_Definitions&Template=/CM/HTMLDisplay. cfm&ContentID=1728#Neuropathicpain (accessed June 9, 2011). (13) Loeser, J. D., and R. D. Treede. 2008. The Kyoto protocol of IASP basic pain terminology. Pain 137(3):473-477. (14) Katzung, B., A. Trevor, and S. Masters. 2009. Opiod analgesics & antagonists. In Basic and clinical pharmacology, 11th ed. McGraw-Hill Companies, Inc.
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280 RELIEVING PAIN IN AMERICA (15) IASP (International Association for the Study of Pain). 2011. Pain terms. http://www. iasp-pain.org/AM/Template.cfm?Section=Pain_Definitions&Template=/CM/HTMLDisplay. cfm&ContentID=1728#Pain (accessed June 9, 2011). (16) (a) F. J. Keefe, J. C Lefebvre, J. R. Egert, G. Affleck, M. J. Sullivan, and D. S. Caldwell. 2000. The relationship of gender to pain, pain behavior, and disability in osteoarthritis patients: The role of catastrophizing. Pain 87(3):325-334. (b) Rosenstiel, A. K., and F. J. Keefe. 1983. The use of coping strategies in chronic low back pain patients: Relationship to patient characteristics and current adjustment. Pain 17(1):33-44. (c) Keefe, F. J., G. K. Brown, K. A. Wallston, and D. S. Caldwell. 1989. Coping with rheumatoid arthritis pain: Catastrophizing as a maladaptive strategy. Pain 37(1):51-56. (d) Sullivan, M. J. L., S. Bishop, and J. Pivik. 1995. The pain catastrophizing scale: Develop - ment and validation. Psychological Assessment 7(4):524-532. (17) MedlinePlus. 2011. Referred pain. http://www.merriam-webster.com/medlineplus/referred pain (accessed April 25, 2011). (18) Smith, B. J., K. C. Tang, and D. Nutbeam. 2006. WHO health promotion glossary: New terms. Health Promotion International 21(4):340-345. (19) Baranauskas, G., and A. Nistri. 1998. Sensitization of pain pathways in the spinal cord: Cellular mechanisms. Progress in Neurobiology 54(3):349-365.