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UNLABELLED Although previous research suggests that preamputation pain is a risk factor for pain after amputation, little is known about the association between acute postsurgical pain and chronic amputation-related pain. The current prospective study examined the associations of preamputation pain and acute postamputation pain with chronic(More)
OBJECTIVES To determine the characteristics of phantom limb sensation, phantom limb pain, and residual limb pain, and to evaluate pain-related disability associated with phantom limb pain. DESIGN Retrospective, cross-sectional survey. Six or more months after lower limb amputation, participants (n = 255) completed an amputation pain questionnaire that(More)
Twenty-four adults with phantom limb pain (PLP) and/or residual limb pain (RLP) participated in a double-blind crossover trial. Participants were randomly assigned to receive gabapentin or placebo and later crossed over to the other treatment, with a 5-week washout interval in which they did not receive medication. Gabapentin was titrated from 300 mg to the(More)
We compared three strategies for diagnosing carpal tunnel syndrome: using a single test; requiring one, two, or three of three tests to be abnormal; or utilizing a single summary variable incorporating data from three tests. Sixty-five hands of subjects without clinical carpal tunnel syndrome (CTS) were compared with 66 hands with clinical CTS. Three(More)
OBJECTIVE This study was performed to evaluate the usefulness of somatosensory-evoked potentials (SEPs) and cognitive event-related potentials (ERPs) in predicting functional outcomes of severe traumatic brain injury patients. DESIGN Prospective study of 22 patients with severe traumatic brain injury. Demographic information, Glasgow Coma Scale, and(More)
Two nearly equivalent models of multilevel security are presented. The use of multiple models permits the utilization of each model for purposes where that model is particularly advantageous. In this case, the more general model is simple and easily comprehensible, being more abstract, and is useful for exposition of the meaning of multilevel security. The(More)
OBJECTIVE The goal of this study was to determine if practice patterns in Washington State were altered by the development and publication of the American Association of Electrodiagnostic Medicine practice parameter for electrodiagnosis of ulnar neuropathy at the elbow. DESIGN Medical records from 350 workers' compensation patients who underwent surgery(More)
This article reviews the epidemiology and classification of traumatic peripheral nerve injuries, the effects of these injuries on nerve and muscle, and how electrodiagnosis is used to help classify the injury. Mechanisms of recovery are also reviewed. Motor and sensory nerve conduction studies, needle electromyography, and other electrophysiological methods(More)
PURPOSE To evaluate the utility of a biopsychosocial model to predict long-term adjustment to lower-limb amputation and phantom limb pain (PLP). METHOD One month after lower-limb amputation, 70 participants completed measures of PLP intensity, cognitions (catastrophizing, perceived control over pain), coping (pain-contingent rest), social environment(More)
OBJECTIVE To evaluate whether amitriptyline is more effective than placebo in improving phantom limb pain or residual limb pain. DESIGN Randomized controlled trial of amitriptyline for 6 weeks. SETTING University hospital. PARTICIPANTS Thirty-nine persons with amputation-related pain lasting more than 6 months. INTERVENTION Six-week trial of(More)