Articles: pain-measurement.
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Review Meta Analysis Comparative Study
Comparing central pain processing in individuals with non-traumatic neck pain and healthy individuals: a systematic review and meta-analysis.
This systematic review and meta-analysis examined the evidence for altered central pain processing in people with nontraumatic neck pain and the relationship among central pain processing, demographics, and pain-related characteristics. Case-control studies reporting measures of altered central pain processing using quantitative sensory testing were reviewed. Standardized mean differences (SMDs) and 95% confidence intervals between people with nontraumatic neck pain and controls were calculated. ⋯ This review suggests that altered central pain processing is present in people with nontraumatic neck pain and may be associated with disability levels and age. PERSPECTIVE: This review found moderate-quality evidence of mechanical hyperalgesia at remote nonpainful sites in patients with nontraumatic neck pain compared with controls, indicating altered central pain processing. However, more studies are needed to confirm findings from dynamic quantitative sensory testing.
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Reg Anesth Pain Med · Nov 2020
Randomized Controlled TrialAnalgesic efficacy of infiltration between the popliteal artery and capsule of the knee (iPACK) block added to local infiltration analgesia and continuous adductor canal block after total knee arthroplasty: a randomized clinical trial.
A combination of motor-sparing analgesia with local infiltration analgesia (LIA) and continuous adductor canal block (CACB) may improve postoperative pain and functional recovery for total knee arthroplasty (TKA). We hypothesized that the addition of a novel technique for posterior knee block, known as the infiltration between the popliteal artery and capsule of the knee (iPACK) block, to LIA with CACB would reduce opioid requirements. ⋯ The addition of an iPACK block to the LIA and CACB does not reduce the postoperative opioid consumption nor improve analgesia. However, it may improve immediate functional performance and reduce the length of hospitalization after TKA.
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Int. J. Pediatr. Otorhinolaryngol. · Nov 2020
Observational StudyPostoperative pain course after paediatric tonsillectomy: A prospective observational study comparing one behavioural and one numerical pain assessment tool.
Paediatric tonsillectomy is often performed as outpatient surgery, although postoperative pain may be severe and protracted. This prospective observational study evaluated two paediatric pain assessment tools for use in telephone interviews with parents. ⋯ In structured telephone interviews, parents effectively pain scored their children after outpatient tonsillectomy. Numerical and behavioural pain scores correlated well, however age-dependent. Pain courses varied considerably, and a majority of children had significant pain. Pain after paediatric tonsillectomy should be assessed and treatment individualised.
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Randomized Controlled Trial
A Secondary Analysis from a Randomized Trial on the Effect of Plasma Tetrahydrocannabinol Levels on Pain Reduction in Painful Diabetic Peripheral Neuropathy.
This report examines the association between tetrahydrocannabinol (THC) plasma levels and pain response in a secondary analysis of data from a recent diabetic neuropathy study that demonstrated a dose-dependent reduction in spontaneous and elicited pain at specific time points. A randomized, double-blinded, placebo-controlled crossover study was conducted in sixteen patients with painful diabetic peripheral neuropathy. Subjects participated in four sessions, separated by 2 weeks, during each of which they were exposed to one of four conditions: placebo, or 1%, 4%, or 7% THC dose of cannabis. ⋯ Perspective: This analysis correlating plasma THC levels and pain reduction in diabetic neuropathy suggest a therapeutic window. Low and high THC levels had a negative association (no reduction) and THC levels within the window had a positive association (reduction). There was a minor negative linear effect of THC on cognitive function.
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Pain catastrophizing has been recognized as an important and consistent psychosocial predictor of nearly every key pain-related outcome. The purpose of this study was to develop a new measure of pain catastrophizing using modern psychometric methodology. People with chronic pain (N = 795) responded to thirty items. ⋯ The Concerns About Pain item bank, short forms, and user manuals are free and publicly available to all users and can be accessed online at https://uwcorr.washington.edu/measures/. PERSPECTIVE: This article presents the development of the University of Washington Concerns About Pain scale, the first item response theory-based item bank of pain catastrophizing. The measure is intended for clinicians interested in improving outcomes of patients with chronic pain and for researchers who study impact of and treatment interventions aimed at reducing pain catastrophizing.