Pain practice : the official journal of World Institute of Pain
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Opioids have long been used for analgesic purposes for a wide range of procedures. However, the binding of these drugs to opiate receptors has created various challenges to the clinician due to unfavorable side effect profiles and the potential for tolerance and abuse. In 1989, ketorolac became an approved nonsteroidal inflammatory drug (NSAID) for injectable use as an analgesic. ⋯ These studies have provided additional information about various routes of administration and their effect on the efficacy and the side effect profile of ketorolac. Moreover, ketorolac has been compared with several widely used analgesics. This review evaluates both the potential benefits and potential drawbacks of ketorolac generally, and specifically discusses routes of administration, including their advantages and disadvantages when compared to several traditional analgesics in both inpatient and outpatient settings.
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Randomized Controlled Trial
Subconscious Manipulation of Pain Expectation Can Modulate Cortical Nociceptive Processing.
To determine whether manipulation of the expectation of pain inhibition can enhance the efficacy of conditioned pain modulation in healthy participants ⋯ As perceived pain inhibition was enhanced but flexion reflex size unchanged following the intervention, we suggest that the intervention gave rise to an inhibition of ascending nociceptive information at a supraspinal level resulting in reduced pain perception without influencing spinal level processing of nociceptive input. The finding that conditioned pain modulation can be enhanced is of relevance to clinical pain populations who commonly show impaired inhibition.
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Chronic pain, sleep disturbances, and depression, which are relevant symptoms of fibromyalgia syndrome, have been demonstrated to be associated with an increased likelihood of suicidal behaviors. Mortality from suicide has been shown to be greater among patients with fibromyalgia. This study aimed to assess the prevalence of suicidal ideation among a sample of patients with fibromyalgia and to evaluate its relationship with the clinical symptomatology of fibromyalgia. ⋯ The results were adjusted by age, sex, total comorbidity, and time since diagnosis with multiple linear regression. The sample comprised 373 patients of whom one hundred and seventy-nine (48%) reported suicidal ideation: 148 (39.7%) reported passive suicidal ideation and 31 (8.3%) active suicidal ideation. Suicidal ideation was markedly associated with depression, anxiety, sleep quality, and global mental health, whereas only weak relationships were observed between suicidal ideation and both pain and general physical health.
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The aim of this study was to investigate whether variations in the way that pain intensity is measured in patients with neck pain influences the magnitude of pain ratings. The study uses data from 3 longitudinal studies (n = 361 at baseline) on people with neck pain due to whiplash injuries. Pain measures included verbal rating scales, numerical rating scales and a visual analog scale. ⋯ It is likely the length of recall time (eg, pain today vs. average pain over 4 weeks) has a significant influence on pain ratings. The influence of number of response options is less certain. Systematic reviewers should not uncritically rescale and pool absolute pain scores from instruments with varying scale descriptors or recall periods.
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Somatic tinnitus is a common disorder, yet few treatments described in the literature have demonstrated strong efficacy. We report a case of a 61-year-old male with refractory somatic tinnitus, temporally related to a prior bacterial otitis media, wherein auditory symptoms were successfully treated with cervical epidural injections of long-acting corticosteroid. We discuss the proposed mechanism of somatic tinnitus and the means by which neuraxial steroids may inhibit somatic tinnitus symptoms.