Articles: pain-measurement.
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J Pain Symptom Manage · Jul 1995
Multicenter Study Clinical TrialA prospective multicenter assessment of the Edmonton staging system for cancer pain.
Two hundred and seventy-seven patients were admitted to this prospective multicenter study in order to assess the accuracy of a staging system for cancer pain. The staging system (SS) was completed by a trained physician during the initial consultation. This system included the assessment of pain mechanism (PM, neuropathic versus nonneuropathic), pain characteristic (PC, continuous versus incidental), previous opioid dose (OD), cognitive function (CF), psychological distress (PD), tolerance (T), past history of alcohol or drugs (A). ⋯ In logistic regression, CF and OD showed no significant correlation. We, therefore, propose a more simple SS of five categories (PM, PC, PD, T, and A) and two stages (good and poor prognosis). We conclude that the SS is highly accurate in predicting patients with good prognosis, but patients with "poor prognosis" can still achieve good pain control in more than 50% of cases.
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Multicenter Study Clinical Trial Controlled Clinical Trial
A multi-center evaluation of the McGill Pain Questionnaire: results from more than 1700 chronic pain patients.
We argue that the conflicting results reported in previous studies examining the factor structure of the McGill Pain Questionnaire Pain Rating Index (PRI) can be explained by differences in the patient samples and statistical analyses used across studies. In an effort to clarify the factor structure of the PRI, 3 different factor models were compared using confirmatory factor analysis in 2 samples of low-back pain patients (N = 1372) and in a third sample of patients suffering from other chronic pain problems (N = 423). ⋯ Reducing the information from the 10 PRI sensory subclasses to a single subscale score may seriously limit the usefulness of the PRI. Alternate methods of using PRI data are suggested.
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Randomized Controlled Trial Multicenter Study Comparative Study Clinical Trial
[Real time collection of pain profile in treatment with ibuprofen].
In an open three-center pilot study, 17 patients suffering from chronic persistent pain syndrome, due to osteoarthritis of the hip and knee or spondylarthrosis, were treated orally with 1800-2400 mg Ibuprofen per day for 3 weeks. The chronic pain syndrome and joint status were assessed by the physician at the beginning, and after 7, 14 and 21 days. Self-assessments were made by the patients six times daily during the full study period by means of battery-driven electronic diaries (E. ⋯ The closely-meshed real-time recording of pain course and other subjective data, such as adverse events or medication, etc., enables the physician to calculate more exactly and reliably improvement rates, as well as to carry out prognostic trend analyses and individual benefit-risk-ratio estimates. By comparing different kinds of data, each entered at the same time, plausibility checks are possible. The procedure presented here is considered to be a new valuable tool for reviewing subjective data from clinical drug trials.