Central sensitization (CS) involves an amplification of neural processing within the central nervous system that can result in widespread pain patterns and hypersensitivity to stimuli. The Central Sensitization Inventory (CSI) and various quantitative sensory testing (QST) methods purport to assess clinical markers of CS. The purpose of this systematic review and meta-analysis was to summarize and quantify the associations between total CSI scores and QST measures from previous studies. A systematic search identified 39 unique studies that were deemed eligible for the systematic review and 33 studies for meta-analyses (with 3314 subjects and 154 effect sizes), including five QST modalities: conditioned pain modulation, temporal summation, pressure pain threshold, heat pain threshold, and cold pain threshold. The meta-analysis yielded statistically significant CSI-QST correlations in total subject samples for all five QST modalities. The strongest associations were identified between CSI scores and pain threshold testing, especially pressure pain threshold, in which 51% of effects sizes, from 29 studies and 3071 subjects, were determined to be in a medium to large range.
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http://dx.doi.org/10.1016/j.neubiorev.2024.105612 | DOI Listing |
Background: We have previously shown that there are 3 unique behavioral symptom clusters, or groupings of temporally related co-occurring behavioral and psychological symptoms (BPSD) representing how an individual's daily BPSD group together relative to their own typical BPSD manifestation across a 21-day period. To further validate these symptom cluster concepts, we examined whether they are predicted by different environmental triggers.
Method: Family caregivers completed daily diary surveys for 8 consecutive days reporting on the physical, social and care environment in addition to their care recipients different BPSD.
Front Pharmacol
December 2024
Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China.
Introduction: The paraventricular thalamic nucleus (PVT) is recognized for its critical role in pain regulation, yet the precise molecular mechanisms involved remain poorly understood. Here, we demonstrated an essential role of the microglial adenosine A receptor (AR) in the PVT in regulating pain sensation and non-opioid analgesia.
Method And Results: Specifically, AR was predominantly expressed in ionized calcium binding adapter molecule 1 (Iba1)-positive microglia cells within the PVT, with expression levels remaining unchanged in mice experiencing persistent inflammatory pain induced by complete Freund's adjuvant (CFA).
BMC Health Serv Res
January 2025
College of Health and Medicine, Menzies Institute for Medical Research, University of Tasmania, 17 Liverpool Street, Hobart, TAS, Australia.
Objective: To evaluate the impact of absolute cardiovascular risk counselling on quality-of-life indices within a chest pain clinic.
Data Sources And Study Setting: Primary data was collected at the Royal Hobart Hospital, Australia, between 2014 and 2020.
Study Design: Patients attending an Australian chest pain clinic were randomised into a prospective, open-label, blinded-endpoint study over a minimum 12-months follow-up.
Sci Rep
January 2025
Department of Biosciences, Universidade Estadual de Campinas (UNICAMP), Faculdade de Odontologia de Piracicaba (FOP), Piracicaba, Brazil.
This study compared the degree of secondary hyperalgesia and somatosensory threshold changes induced by topical capsaicin between spinal and trigeminal innervation. This crossover clinical trial included 40 healthy individuals in which 0.25 g of 1% capsaicin cream was randomly applied for 45 minutes to a circular area of 2 cm to the skin covering the masseter muscle and forearm in 2 different sessions, separated by at least 24 hours and no more than 72 hours (washout period).
View Article and Find Full Text PDFClin Orthop Relat Res
January 2025
Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, USA.
Background: Deficient internal rotation after shoulder arthroplasty can inhibit specific essential activities of daily living that require behind-the-back arm positioning. Although postoperative internal rotation deficits occur, their impact on outcomes of total shoulder arthroplasty (TSA) is not well established. Previous authors have validated the Single Assessment Numeric Evaluation (SANE) as a patient-reported assessment of acceptable outcomes of TSA.
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