European journal of pain : EJP
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Randomized Controlled Trial
Dexmedetomidine versus Clonidine Adjuvants to Levobupivacaine for Ultrasound-Guided Transversus Abdominis Plane Block in Pediatric Laparoscopic Orchiopexy: Randomized, Double-Blind Study.
Laparoscopic surgeries are associated with less postoperative pain and adverse events compared to open procedures. But, it still reduces the quality of life in children. Transversus abdominis plane (TAP) block is used to reduce pain. We hypothesized that dexmedetomidine or clonidine could improve the analgesic profile of levobupivacaine to the same extent during TAP block in children. ⋯ Clonidine can alternate dexmedetomidine during TAP block with local anesthetics for pediatrics laparoscopies. Both can lead to better postoperative analgesic profiles. Clonidine may be preferred, especially in our developing regions, because of its easy availability and lower cost than that of dexmedetomidine.
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Throughout the last decade, research has uncovered associations between pain and epigenetic alterations caused by environmental factors. Specifically, studies have demonstrated correlations between pain conditions and altered DNA methylation patterns. Thus, DNA methylation has been revealed as a possible modulator or contributor to pain conditions, providing a potential therapeutic target for treatment by DNA methylation modification. To develop such treatments, it is necessary to clarify a wide number of aspects on how DNA methylation affects pain perception; first and foremost, the temporal dynamics. The objective of the present review is to provide an overview of current knowledge on temporal dynamics of DNA methylation in response to pain, and to investigate if a timeframe can be established based on the data of currently published studies. ⋯ No timeframe can currently be made for the DNA methylation response to pain in any of the reviewed conditions, highlighting an important focus area for future research.
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The purpose of this investigation was to undertake a hypothesis-generating study to identify candidate variables that characterize people with knee osteoarthritis who are most likely to experience a positive response to exercise. ⋯ Regardless age, sex, body mass index, pain duration, use of medication, knee range of motion, pain catastrophizing and self-efficacy, participants with knee osteoarthritis who report low levels of body perception disruption (a FreKAQ score ≦ 17) and minimal structural changes (KL grade I) demonstrate significantly better outcomes from exercise therapy than other participants.
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Reporting in conditioned pain modulation (CPM) studies is not standardised. Here, two CPM protocols were performed in populations of healthy human subjects in order to investigate the influence of the CPM paradigm and stringent analyses parameters on the identification of a net CPM effect. ⋯ Calculating the net CPM effect should be optimised and standardised for comparison of CPM data collected from global research groups. Recommendation is made for the performance of a multicentre, test-retest study.
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Although paediatric chronic pain is common, it is not yet clear which individuals with chronic pain are likely to seek health care for their pain. The aims of this study were to summarize the current evidence of the characteristics of children and adolescents with chronic pain who consult a physician or use medication for their pain. Additionally, we aimed to expand knowledge by further investigating key and promising, factors in a large community sample of adolescents. ⋯ A scoping summary of existing research on predictors for physician consultation and medication use in children and adolescents with chronic pain is provided. Furthermore, the role of potential predictors for health care utilisation-sociodemographic, pain, school, psychological and parent-related characteristics-is analysed in a population-based cross-sectional survey. Controlling for illness and injuries, and using a strict chronic pain definition, the cross-sectional survey allows conclusions on healthcare utilisation specific to chronic pain in adolescents.