Articles: pain-measurement.
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Randomized Controlled Trial
Recovery quality of transversus abdominis plane block with liposomal bupivacaine after cesarean delivery: A randomized trial.
This study aimed to investigate the effect of liposomal bupivacaine in transversus abdominis plane block (TAP) on recovery quality after cesarean delivery. ⋯ TAP block using either liposomal bupivacaine or a mixture of plain bupivacaine and liposomal bupivacaine provided superior quality of recovery at 24 h after cesarean delivery compared to using plain bupivacaine alone.
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Randomized Controlled Trial
Studying the effect of expectations on high-frequency electrical stimulation-induced pain and pinprick hypersensitivity.
Negative expectations can increase pain, but can they promote the development of central sensitization? This study used an inert treatment and verbal suggestions to induce expectations of increased high-frequency electrical stimulation (HFS)-induced pain and assessed their effects on pain ratings during HFS and HFS-induced pinprick hypersensitivity. Fifty healthy volunteers were randomly allocated to either a control group (N = 25) or a nocebo group (N = 25). Participants in both groups received a patch containing water on the right forearm. ⋯ HFS increased pinprick sensitivity but no group differences were found. Because of the lack of differences in expected pain and pain intensity ratings for HFS between groups, no firm conclusions can be drawn regarding their effect on pinprick hypersensitivity. PERSPECTIVE: This study shows that sham treatment combined with verbal suggestions induces a nocebo effect but does not necessarily change expectations and experience of upcoming pain.
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Randomized Controlled Trial Multicenter Study
Esketamine use for primary intelligent analgesia in adults with severe burns: A double-blind randomized trial with effects on analgesic efficacy, gastrointestinal function and mental state.
Opioid consumption for analgesia in burn patients is enormous. Non-opioid analgesics for burn pain management may result in opioid sparing, reducing opioid-related adverse reactions and drug tolerance or addiction. ⋯ Esketamine use is safe for perioperative primary intelligent analgesia of severe burns, resulting in improved resting pain control and lower opioid requirements.
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This study aimed to investigate the relationship between pain and functional levels with pain catastrophizing, rumination, decision-making, and critical thinking in people with chronic neck pain. ⋯ The study suggested that there were positive correlations between pain severity and disability with rumination and pain catastrophizing. Additionally, chronic neck pain was found to have negative correlations with critical thinking scores, indicating potential impacts on cognitive processes. These findings may provide insights into the complex interplay between chronic pain and psychological factors, which can inform the development of interventions to enhance chronic pain management.
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This study examines the influence of body mass index (BMI) on the relationship between quantitative sensory testing measures and clinical characteristics in fibromyalgia syndrome (FMS). Utilizing BMI as a categorical covariate (≥25 or ≥30 kg/m²) in associations between quantitative sensory testing metrics (pain-60, conditioned pain modulation, and temporal summation of pain [TSP]) and FMS clinical features, we explored BMI's role as both a confounder (change-in-estimate criterion-change equal or higher than 10%) and effect modifier (interaction term). Significant interactions revealed overweight/obese BMI as a modifier in the relationship between conditioned pain modification and both depression and symptom impact, with a homeostatic relationship between better clinical profile and pain inhibitory response observed solely in the normal-weight group. ⋯ We discuss the mechanistic and therapeutic implications of targeting BMI in FMS clinical trials and the potential impact of this important relationship. PERSPECTIVE: This investigation highlights the disruptive influence of high BMI on pain inhibitory control in fibromyalgia, unbalancing clinical symptoms such as pain and depression. It underscores the necessity of integrating BMI considerations into therapeutic approaches to enhance pain management and patient outcomes.