Pain
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Randomized Controlled Trial Comparative Study Clinical Trial
The Amsterdam Pain Management Index compared to eight frequently used outcome measures to evaluate the adequacy of pain treatment in cancer patients with chronic pain.
There is no 'gold standard' to assess the adequacy of pain treatment in cancer patients. The purpose of the study is to explore the Amsterdam Pain Management Index, a newly designed measure to evaluate the adequacy of cancer pain treatment, and to compare it with eight frequently used outcome measures. The Amsterdam Pain Management Index compares patients' Present Pain Intensity, Average Pain Intensity, and Worst Pain Intensity with a composite score of analgesics used, while correcting for what a patient considers as a tolerable level of pain. ⋯ The ability of the outcome measures to detect changes over time was clearly demonstrated by all outcome measures. Effects of the intervention were only found for the Amsterdam Pain Management Index and patients' Substantial Worst Pain score. Although support was provided for the use of the Amsterdam Pain Management Index, more research is warranted.
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Randomized Controlled Trial Comparative Study Clinical Trial
A randomized comparison of group cognitive--behavioral therapy, surface electromyographic biofeedback, and vestibulectomy in the treatment of dyspareunia resulting from vulvar vestibulitis.
This study compared group cognitive-behavioral therapy (12-week trial), surface electromyographic biofeedback (12-week trial), and vestibulectomy in the treatment of dyspareunia resulting from vulvar vestibulitis. Subjects were 78 women randomly assigned to one of three treatment conditions and assessed at pretreatment, posttreatment and 6-month follow-up via gynecological examinations, structured interviews and standard questionnaires pertaining to pain (Pain Rating Index and Sensory scale of the McGill Pain Questionnaire, vestibular pain index, pain during intercourse), sexual function (Sexual History Form, frequency of intercourse, Information subscale of the Derogatis Sexual Functioning Inventory), and psychological adjustment (Brief Symptom Inventory). As compared with pretreatment, study completers of all treatment groups reported statistically significant reductions on pain measures at posttreatment and 6-month follow-up, although the vestibulectomy group was significantly more successful than the two other groups. ⋯ All three groups significantly improved on measures of psychological adjustment and sexual function from pretreatment to 6-month follow-up. Intent-to-treat analysis supported the general pattern of results of analysis by-treatment-received. Findings suggest that women with dyspareunia can benefit from both medical and behavioral interventions.
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Comparative Study
Electronic diaries for monitoring chronic pain: 1-year validation study.
Electronic data collection for monitoring pain has become increasingly popular in clinical research. However, no direct comparison has been made between electronic diaries and self-report paper diaries or phone interviews. We asked 36 patients with chronic low back pain to monitor their pain for 1 year; 20 of them used both a palmtop computer and paper diaries, and 16 used paper diaries alone. ⋯ Two-way messaging available through the palmtop computer seemed to encourage continued use of the device. Internal consistency of reporting and correlations with phone reports and standardized measures were highly significant, suggesting that data from electronic diaries are both reliable and valid. Patients using electronic diaries preferred them to paper diaries and showed much higher rates of compliance and satisfaction over the 1-year trial.
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Comparative Study
TMJ disorders and myogenic facial pain: a discriminative analysis using the McGill Pain Questionnaire.
Our aim was to assess the discriminative capacity of the McGill Pain Questionnaire (MPQ) in patients with temporomandibular joint (TMJ) disorders or with myogenous facial pain (MP). The MPQ was administered to 57 TMJ and 28 MP patients who were also asked to assess the level of pain using the Visual Analog Scale (VAS). Weighted MPQ item scores, subscale Pain Rating Indexes (PRI), total PRI and the number of words chosen were calculated. ⋯ In conclusion, the MPQ consistently discriminated between TMJ and MP patients. Although the higher affective scores in the MP patients may be partly induced by higher levels of anxiety in these patients, the data convincingly show that the system's discriminative capacity relates to all MPQ subscores and to the majority of the MPQ items. Moreover, within the same item, the choice of verbal descriptors varies consistently between the two groups of patients.
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Research among persons with cancer pain suggests that the association between pain intensity and pain interference is non-linear. That is, pain begins to have a serious impact on functioning when it reaches a certain threshold level (about 5 on 0--10 scales). Often, a second pain threshold can be identified which, once reached, shows an even greater proportional negative impact on functioning. ⋯ Moreover, the degree of pain interference appeared to vary as a function of pain type. The same level of back pain interfered more significantly with daily function than phantom limb pain did after pain levels reached five or more (on a 0--10 scale). These findings have implications for understanding the meaning of pain intensity levels, as well as for the assessment of pain intensity in persons with amputation-related pain.