The Clinical journal of pain
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Healing or successful intervention usually leads to the resolution of pain. However, in some patients biologic or psychologic symptoms associated with pain persist despite treatment or apparent healing. In cases in which the etiology is not known, persistent pain is categorized as a clinical syndrome known as "chronic pain." Organic, psychologic, and socioenvironmental factors contribute to the development of chronic pain. ⋯ Before successful management can begin, the major etiologic factors and sequelae of the chronic pain syndrome must be understood. Antidepressants, neuroleptics, anticonvulsants, nonsteroidal anti-inflammatory drugs, and hydroxyzine have been proven effective in the treatment of pain syndromes. The treatment of patients who present with chronic pain must be individualized based on a comprehensive understanding of the factors underlying the chronic pain syndrome of each patient.
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Comparative Study
Sufentanil and alfentanil pattern of consumption during patient-controlled analgesia: a comparison with morphine.
Pattern of drug consumption and side effects of sufentanil and alfentanil were compared to morphine, using "on-demand" patient-controlled analgesia (PCA). After a non-narcotic general anesthetic, a bolus dose of the narcotic was given intravenously towards the end of surgery. PCA was started in the recovery room. ⋯ There was a similar incidence of nausea in all the groups. Further study is needed to determine precisely the best dose regimens for sufentanil and alfentanil, especially in reference to optimum loading doses. Sufentanil appears to be a promising drug for PCA use.
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The rationale for improving analgesic therapy is presented. After reviewing the role of drug pharmacokinetic and pharmacodynamic variability in determining the quality of pain relief, newer developments in acute pain management are described: newer opioid and nonopioid analgesic drugs; alternative drug delivery systems; nonpharmacologic approaches, use of combination analgesic therapy. Finally, several possible future research trends in acute pain management are discussed.
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Optimal care of surgical patients includes effective control of incisional pain. Attention is beginning to be focused on new in-hospital services created to improve the management of postoperative pain. Additional information regarding the organization and operation of this type of service, especially in the framework of a university hospital, is presented. The specific roles of an academic anesthesiologist involved in acute pain management are: to provide leadership by the development of effective services, to clarify through research optimal treatments, to train future practitioners in the management of acute pain, and to serve as a consultant for improving pain control for the whole medical community.