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Russell Rothenberg

Publications and source records attributed to Russell Rothenberg.

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Section 4: treating the patient in pain.

Physicians may choose from a variety of pharmacologic and nonpharmacologic options to treat patients with painful rheumatic diseases. Osteoarthritis (OA) is the most common type of arthritis requiring pain management. New disease-modifying antirheumatic drugs and biologic response modifiers can improve disease states in patients with rheumatoid arthritis (RA). After the inflammatory component of RA is minimized with such agents, treatment goals shift to those similar to secondary OA and other degenerative joint diseases. Relief of pain and improvement in functional status are essential components of effective therapy. A pure analgesic such as acetaminophen and nonsteroidal antiinflammatory drugs, including the cyclooxygenase-2-selective inhibitors for those at risk for gastrointestinal side effects, may be used at the lowest effective doses. Combination therapy for acetaminophen and an opioid may maximize pain relief and provide greater speed and duration of action than the separate components. Use of the atypical opioid tramadol with acetaminophen often results in an improved side-effect profile compared with stronger opioids, with similar levels of pain relief. Adjunctive therapy with agents such as topical analgesics, intraarticular hyaluron, tricyclic antidepressants, anticonvulsants, muscle relaxants, and anxiolytics may also be helpful. Nonpharmacologic therapies such as exercise, physical therapy, and psychologic counseling may also diminish pain and improve outcome in patients with rheumatic diseases. One may also consider yoga, acupuncture, biofeedback, massage, relaxation techniques, and other alternative therapies.

Acupuncture Therapy↗

Section 3: The nature of pain: pathophysiology.

An understanding of the pathophysiology of pain involves the concepts of neuronal plasticity at the levels of the nociceptor neurons, spinal cord, and brain. Neuroplasticity allows the neurons in the brain to compensate for injury and adjust their activity in response to new situations or changes in their environment. This is an important physiologic event in the development of central sensitization. Other concepts include modulatory effects at the nociceptor, sympathetically mediated pain, the "wind-up" phenomenon, central sensitization, and descending and ascending central modulatory mechanisms for the perception of pain, as well as the related pain motivations and behaviors. Numerous modulatory mechanisms for pain have been postulated that control the degree of pain perceived and the emotional and behavioral phenomena associated with a patient's pain experience. These numerous mechanisms take place at all levels of the nervous system: peripheral nerves, spinal cord, and brain. Despite great advances in unraveling the complexities of the pathophysiology of pain, much remains to be discovered. It is hoped that further research into this critical area will lead to better therapies.

Acute Disease↗

Section 2: The importance of improving function in patients with pain.

When evaluating pain in the rheumatic diseases, assessment of adequate therapy has expanded from purely biochemical measures and joint counts to determining the degree of function. Because pain is an important predictor of function, instruments have been developed that attempt to measure how disease and pain affect parameters such as activities of daily living, quality of life, ability to work, and emotional well-being. Some measures, such as visual analogue scales, measure only the intensity of pain; multidimensional scales assess a variety of factors related to the patient's overall ability to function. The Short Form-36 measures the impact of disease on overall quality of life; adaptations have been made to some specific diseases. The Health Assessment Questionnaire was one of the first multidimensional questionnaires developed for rheumatic diseases, and this has been further refined for rheumatoid arthritis with the Multidimensional Health Assessment Questionnaire.

Health Status Indicators↗