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Barrett JE, Kohut AR. A historical perspective and recent advances on the evolution of the relationship between acute and chronic pain and cardiovascular disease. Biochem Pharmacol 2024; 228:116357. [PMID: 38857831 DOI: 10.1016/j.bcp.2024.116357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 06/04/2024] [Accepted: 06/07/2024] [Indexed: 06/12/2024]
Abstract
The relationship between acute pain and the cardiovascular system was recognized approximately 50 years ago following the initial observation, along with several subsequent experimental studies, that hypertension can result in decreases in the perception of pain. These studies provided a strong impetus to study potential mechanisms to clarify commonalities between the regulatory pathways associated with pain and the cardiovascular system. Attention subsequently shifted to an emphasis on the impact of chronic pain on cardiovascular diseases and mortality with several large meta-analyses of longitudinal studies providing clear evidence that chronic widespread pain increases the risk for developing cardiovascular disease and is associated with excess morbidity and mortality. Cardiovascular associated mortality from myocardial infarction and stroke appears to be directly related to the duration and severity of chronic pain, a result often characterized as a 'dose-response' relationship. The availability and reproducibility of extensive large-scale observational and retrospective studies have emphasized the critical need for more research, including prospective studies, along with the need for the development of preclinical animal models, to better understand the relationship(s) and underlying mechanisms between chronic pain, associated comorbidities, and cardiovascular disease. Elucidation and a deeper understanding of these relationships, including a focus on the link between chronic pain, cardiovascular disease, and depression, could provide valuable information to guide the development of potential treatment interventions to aid in attenuating pain while preventing pain-associated cardiovascular disease, comorbidities, and mortality.
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Affiliation(s)
- James E Barrett
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140; Penn Heart and Vascular Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19407.
| | - Andrew R Kohut
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140; Penn Heart and Vascular Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19407
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Huang H, Ji F, Hu C, Huang J, Liu F, Han Z, Liu L, Cao M, Fu G. Identifying Novel Proteins for Chronic Pain: Integration of Human Brain Proteomes and Genome-wide Association Data. THE JOURNAL OF PAIN 2024; 25:104610. [PMID: 38909833 DOI: 10.1016/j.jpain.2024.104610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 06/25/2024]
Abstract
Numerous genome-wide association studies have identified risk genes for chronic pain, yet the mechanisms by which genetic variants modify susceptibility have remained elusive. We sought to identify key genes modulating chronic pain risk by regulating brain protein expression. We integrated brain proteomic data with the largest genome-wide dataset for multisite chronic pain (N = 387,649) in a proteome-wide association study (PWAS) using discovery and confirmatory proteomic datasets (N = 376 and 152) from the dorsolateral prefrontal cortex. Leveraging summary data-based Mendelian randomization and Bayesian colocalization analysis, we pinpointed potential causal genes, while a transcriptome-wide association study integrating 452 human brain transcriptomes investigated whether cis-effects on protein abundance extended to the transcriptome. Single-cell RNA-sequencing data and single-nucleus transcriptomic data revealed cell-type-specific expression patterns for identified causal genes in the dorsolateral prefrontal cortex and dorsal root ganglia (DRG), complemented by RNA microarray analysis of expression profiles in other pain-related brain regions. Of the 22 genes cis-regulating protein abundance identified by the discovery PWAS, 18 (82%) were deemed causal by summary data-based Mendelian randomization or Bayesian colocalization analysis analyses, with 7 of these 18 genes (39%) replicating in the confirmatory PWAS, including guanosine diphosphate-mannose pyrophosphorylase B, which also associated at the transcriptome level. Several causal genes exhibited selective expression in excitatory and inhibitory neurons, oligodendrocytes, and astrocytes, while most identified genes were expressed across additional pain-related brain regions. This integrative proteogenomic approach identified 18 high-confidence causal genes for chronic pain, regulated by cis-effects on brain protein levels, suggesting promising avenues for treatment research and indicating a contributory role for the DRG. PERSPECTIVE: The current post genome-wide association study analyses identified 18 high-confidence causal genes regulating chronic pain risk via cis-modulation of brain protein abundance, suggesting promising avenues for future chronic pain therapies. Additionally, the significant expression of these genes in the DRG indicated a potential contributory role, warranting further investigation.
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Affiliation(s)
- Haoquan Huang
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China; Medical Research Center of Shenshan Medical Center, Sun Yat-Sen Memorial Hospital, Shanwei, China
| | - Fengtao Ji
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Chuwen Hu
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jingxuan Huang
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Fan Liu
- Medical Research Center of Shenshan Medical Center, Sun Yat-Sen Memorial Hospital, Shanwei, China
| | - Zhixiao Han
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Ling Liu
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Minghui Cao
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China; Medical Research Center of Shenshan Medical Center, Sun Yat-Sen Memorial Hospital, Shanwei, China
| | - Ganglan Fu
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China; Medical Research Center of Shenshan Medical Center, Sun Yat-Sen Memorial Hospital, Shanwei, China.
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Wu Q, Li X, Zhang Y, Chen S, Jin R, Peng W. Analgesia of noninvasive electrical stimulation of the dorsolateral prefrontal cortex: A systematic review and meta-analysis. J Psychosom Res 2024; 185:111868. [PMID: 39142194 DOI: 10.1016/j.jpsychores.2024.111868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 07/03/2024] [Accepted: 07/30/2024] [Indexed: 08/16/2024]
Abstract
OBJECTIVE The dorsolateral prefrontal cortex (DLPFC) is implicated in pain modulation, suggesting its potential as a therapeutic target for pain relief. However, studies on transcranial electrical stimulation (tES) over the DLPFC yielded diverse results, likely due to differences in stimulation protocols or pain assessment methods. This study aims to evaluate the analgesic effects of DLPFC-tES using a meta-analytical approach. METHODS A meta-analysis of 29 studies involving 785 participants was conducted. The effects of genuine and sham DLPFC-tES on pain perception were examined in healthy individuals and patients with clinical pain. Subgroup analyses explored the impact of stimulation parameters and pain modalities. RESULTS DLPFC-tES did not significantly affect pain outcomes in healthy populations but showed promise in reducing pain-intensity ratings in patients with clinical pain (Hedges' g = -0.78, 95% CI = [-1.33, -0.24], p = 0.005). Electrode placement significantly influenced the analgesic effect, with better results observed when the anode was at F3 and the cathode at F4. CONCLUSIONS DLPFC-tES holds potential as a cost-effective pain management option, particularly for clinical populations. Optimizing electrode placement, especially with an symmetrical configuration, may enhance therapeutic efficacy. These findings underscore the promise of DLPFC-tES for alleviating perceived pain intensity in clinical settings, emphasizing the importance of electrode placement optimization.
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Affiliation(s)
- Qiqi Wu
- School of Psychology, Shenzhen University, Shenzhen, China
| | - Xiaoyun Li
- School of Psychology, Shenzhen University, Shenzhen, China
| | - Yinhua Zhang
- School of Psychology, Shenzhen University, Shenzhen, China
| | - Shengxiong Chen
- Medical Rehabilitation Center, Shenzhen Prevention and Treatment Center for Occupational Diseases, Shenzhen, China.
| | - Richu Jin
- Tech X Academy, Shenzhen Polytechnic University, Shenzhen, China.
| | - Weiwei Peng
- School of Psychology, Shenzhen University, Shenzhen, China
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Shamli Oghli Y, Ashok A, Glener S, Ailes I, Syed M, Kang KC, Naghizadehkashani S, Fayed I, Mohamed FB, Talekar K, Krisa L, Wu C, Matias C, Alizadeh M. Multimodal functional imaging and clinical correlates of pain regions in chronic low-back pain patients treated with spinal cord stimulation: a pilot study. FRONTIERS IN NEUROIMAGING 2024; 3:1474060. [PMID: 39399386 PMCID: PMC11470492 DOI: 10.3389/fnimg.2024.1474060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2024] [Accepted: 09/09/2024] [Indexed: 10/15/2024]
Abstract
Objective Spinal cord stimulation (SCS) is an invasive treatment option for patients suffering from chronic low-back pain (cLBP). It is an effective treatment that has been shown to reduce pain and increase the quality of life in patients. However, the activation of pain processing regions of cLBP patients receiving SCS has not been assessed using objective, quantitative functional imaging techniques. The purpose of the present study was to compare quantitative resting-state (rs)-fMRI and arterial spin labeling (ASL) measures between SCS patients and healthy controls and to correlate clinical measures with quantitative multimodal imaging indices in pain regions. Methods Multi-delay 3D GRASE pseudo-continuous ASL and rs-fMRI data were acquired from five patients post-SCS with cLBP and five healthy controls. Three ASL measures and four rs-fMRI measures were derived and normalized into MNI space and smoothed. Averaged values for each measure from a pain atlas were extracted and compared between patients and controls. Clinical pain scores assessing intensity, sensitization, and catastrophizing, as well as others assessing global pain effects (sleep quality, disability, anxiety, and depression), were obtained in patients and correlated with pain regions using linear regression analysis. Results Arterial transit time derived from ASL and several rs-fMRI measures were significantly different in patients in regions involved with sensation (primary somatosensory cortex and ventral posterolateral thalamus [VPL]), pain input (posterior short gyrus of the insula [PS]), cognition (dorsolateral prefrontal cortex [DLPC] and posterior cingulate cortex [PCC]), and fear/stress response (hippocampus and hypothalamus). Unidimensional pain rating and sensitization scores were linearly associated with PS, VPL, DLPC, PCC, and/or amygdala activity in cLBP patients. Conclusion The present results provide evidence that ASL and rs-fMRI can contrast functional activation in pain regions of cLBP patients receiving SCS and healthy subjects, and they can be associated with clinical pain evaluations as quantitative assessment tools.
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Affiliation(s)
- Yazan Shamli Oghli
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, United States
- Jefferson Integrated Magnetic Resonance Imaging Center, Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
- Department of Neurosurgery, Thomas Jefferson University, Philadelphia, PA, United States
| | - Arjun Ashok
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, United States
- Jefferson Integrated Magnetic Resonance Imaging Center, Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
- Department of Neurosurgery, Thomas Jefferson University, Philadelphia, PA, United States
| | - Steven Glener
- Department of Neurosurgery, Thomas Jefferson University, Philadelphia, PA, United States
| | - Isaiah Ailes
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, United States
- Jefferson Integrated Magnetic Resonance Imaging Center, Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
- Department of Neurosurgery, Thomas Jefferson University, Philadelphia, PA, United States
| | - Mashaal Syed
- Jefferson Integrated Magnetic Resonance Imaging Center, Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
- Department of Neurosurgery, Thomas Jefferson University, Philadelphia, PA, United States
| | - Ki Chang Kang
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, United States
- Jefferson Integrated Magnetic Resonance Imaging Center, Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
- Department of Neurosurgery, Thomas Jefferson University, Philadelphia, PA, United States
| | - Sara Naghizadehkashani
- Jefferson Integrated Magnetic Resonance Imaging Center, Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
| | - Islam Fayed
- Department of Neurosurgery, Cooper University Health Care, Camden, PA, United States
| | - Feroze B. Mohamed
- Jefferson Integrated Magnetic Resonance Imaging Center, Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
| | - Kiran Talekar
- Jefferson Integrated Magnetic Resonance Imaging Center, Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
| | - Laura Krisa
- Jefferson Integrated Magnetic Resonance Imaging Center, Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
- Department of Occupational Therapy, Thomas Jefferson University, Philadelphia, PA, United States
| | - Chengyuan Wu
- Jefferson Integrated Magnetic Resonance Imaging Center, Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
- Department of Neurosurgery, Thomas Jefferson University, Philadelphia, PA, United States
| | - Caio Matias
- Department of Neurosurgery, Thomas Jefferson University, Philadelphia, PA, United States
| | - Mahdi Alizadeh
- Jefferson Integrated Magnetic Resonance Imaging Center, Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
- Department of Neurosurgery, Thomas Jefferson University, Philadelphia, PA, United States
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Kleckner IR, Manuweera T, Lin PJ, Chung KH, Kleckner AS, Gewandter JS, Culakova E, Tivarus ME, Dunne RF, Loh KP, Mohile NA, Kesler SR, Mustian KM. Pilot trial testing the effects of exercise on chemotherapy-induced peripheral neurotoxicity (CIPN) and the interoceptive brain system. Support Care Cancer 2024; 32:677. [PMID: 39304604 DOI: 10.1007/s00520-024-08855-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 09/02/2024] [Indexed: 09/22/2024]
Abstract
PURPOSE Chemotherapy-induced peripheral neurotoxicity (CIPN) is a prevalent, dose-limiting, tough-to-treat toxicity involving numbness, tingling, and pain in the extremities with enigmatic pathophysiology. This randomized controlled pilot study explored the feasibility and preliminary efficacy of exercise during chemotherapy on CIPN and the role of the interoceptive brain system, which processes bodily sensations. METHODS Nineteen patients (65 ± 11 years old, 52% women; cancer type: breast, gastrointestinal, multiple myeloma) starting neurotoxic chemotherapy were randomized to 12 weeks of exercise (home-based, individually tailored, moderate intensity, progressive walking, and resistance training) or active control (nutrition education). At pre-, mid-, and post-intervention, we assessed CIPN symptoms (primary clinical outcome: CIPN-20), CIPN signs (tactile sensitivity using monofilaments), and physical function (leg strength). At pre- and post-intervention, we used task-free ("resting") fMRI to assess functional connectivity in the interoceptive brain system, involving the salience and default mode networks. RESULTS The study was feasible (74-89% complete data across measures) and acceptable (95% retention). We observed moderate/large beneficial effects of exercise on CIPN symptoms (CIPN-20, 0-100 scale: - 7.9 ± 5.7, effect size [ES] = - 0.9 at mid-intervention; - 4.8 ± 7.3, ES = - 0.5 at post-intervention), CIPN signs (ES = - 1.0 and - 0.1), and physical function (ES = 0.4 and 0.3). Patients with worse CIPN after neurotoxic chemotherapy had lower functional connectivity within the default mode network (R2 = 40-60%) and higher functional connectivity within the salience network (R2 = 20-40%). Exercise tended to increase hypoconnectivity and decrease hyperconnectivity seen in CIPN (R2 = 12%). CONCLUSION Exercise during neurotoxic chemotherapy is feasible and may attenuate CIPN symptoms and signs, perhaps via changes in interoceptive brain circuitry. Future work should test for replication with larger samples. TRIAL REGISTRATION Registered Jan 2017 on ClinicalTrials.gov as NCT03021174.
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Affiliation(s)
- Ian R Kleckner
- University of Maryland School of Nursing, Baltimore, MD, 21201, USA.
| | | | - Po-Ju Lin
- University of Rochester Medical Center, 265 Crittenden Blvd, Box CU 420658, Rochester, NY, 14642, USA
| | - Kaitlin H Chung
- University of Maryland School of Nursing, Baltimore, MD, 21201, USA
- Cornell University, Ithaca, NY, 14853, USA
| | - Amber S Kleckner
- University of Maryland School of Nursing, Baltimore, MD, 21201, USA
| | - Jennifer S Gewandter
- University of Rochester Medical Center, 265 Crittenden Blvd, Box CU 420658, Rochester, NY, 14642, USA
| | - Eva Culakova
- University of Rochester Medical Center, 265 Crittenden Blvd, Box CU 420658, Rochester, NY, 14642, USA
| | - Madalina E Tivarus
- University of Rochester Medical Center, 265 Crittenden Blvd, Box CU 420658, Rochester, NY, 14642, USA
| | - Richard F Dunne
- University of Rochester Medical Center, 265 Crittenden Blvd, Box CU 420658, Rochester, NY, 14642, USA
| | - Kah Poh Loh
- University of Rochester Medical Center, 265 Crittenden Blvd, Box CU 420658, Rochester, NY, 14642, USA
| | - Nimish A Mohile
- University of Rochester Medical Center, 265 Crittenden Blvd, Box CU 420658, Rochester, NY, 14642, USA
| | | | - Karen M Mustian
- University of Rochester Medical Center, 265 Crittenden Blvd, Box CU 420658, Rochester, NY, 14642, USA
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Bharath MM, Paliwal VK, Batra S, Mishra P, Mishra N, Saini R. Repetitive transcranial magnetic stimulation in new daily persistent headache patients: a single arm open label study. J Headache Pain 2024; 25:155. [PMID: 39294586 PMCID: PMC11411780 DOI: 10.1186/s10194-024-01866-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2024] [Accepted: 09/10/2024] [Indexed: 09/20/2024] Open
Abstract
BACKGROUND New daily persistent headache (NDPH) is a continuous, unremitting headache from onset that yields suboptimal results with traditional medicines. Repetitive transcranial magnetic stimulation (rTMS) has emerged as a promising non-invasive treatment for other headache disorders, such as migraine, and neuromodulation has not been well-studied in NDPH. The objective of the study was to evaluate the efficacy of rTMS in reducing the frequency and severity of headaches, and associated anxiety and depressive symptoms in NDPH patients. METHODS This was an open label prospective, single arm, interventional pilot study conducted between October 2022 and September 2023. All eligible participants received 10 Hz rTMS (600 pulses, 10 trains), delivered to the left prefrontal cortex for three consecutive days. The post-rTMS headache severity was recorded weekly for four weeks and headache free days/functional disability, PHQ-9, and GAD-7 scores at the end of four weeks and compared with pre-rTMS parameters. The primary outcome was defined by ≥ 50% reduction in headache severity on Visual Analogue Scale (VAS) score, decrease in headache days from the baseline and secondary outcome was ≥ 6 point reduction in HIT-6 score at 4 weeks. RESULTS Fifty NDPH patients (mean [SD] age, 35.06 [13.91] years; 31 females [62%]) participated in this study. Thirty-five patients (70%) reported ≥ 50% improvement in pain severity (p-value < 0.001), with a mean reduction of 10.84 (4.88) headache days per 28 days from a baseline of 28 headache days (p-value < 0.001). Thirty-eight patients (76%) reported a ≥ 6 point's reduction in HIT score at 4 weeks. Maximum improvement in the above parameters was observed in NDPH patients with chronic migraine. Two patients reported intolerance to the sound of the rTMS. The median (IQR) PHQ-9 and GAD-7 scores reduced from 11.5(3.75,20) to 7(2,15) (p-value < 0.001) and 10(3,14) to 5.5(0,9) (p-value < 0.001) respectively. CONCLUSION rTMS was well tolerated and effective in reducing pain severity, headache days and headache related disability, depressive and anxiety symptoms. TRIAL REGISTRATION CTRI/2023/05/053247.
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Affiliation(s)
- M M Bharath
- Department of Neurology, SGPGIMS, Rae bareli road, Lucknow, UP, 226014, India
| | - Vimal Kumar Paliwal
- Department of Neurology, SGPGIMS, Rae bareli road, Lucknow, UP, 226014, India.
| | - Swansu Batra
- Department of Neurology, SGPGIMS, Rae bareli road, Lucknow, UP, 226014, India
| | - Prabhakar Mishra
- Department of Biostatistics and Health Informatics, SGPGIMS, Lucknow, India
| | - Naina Mishra
- Department of Biostatistics and Health Informatics, SGPGIMS, Lucknow, India
| | - Romil Saini
- Department of Psychiatry, Apex Trauma Centre, SGPGIMS, Lucknow, India
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Kim J, Gim S, Yoo SBM, Woo CW. A computational mechanism of cue-stimulus integration for pain in the brain. SCIENCE ADVANCES 2024; 10:eado8230. [PMID: 39259795 PMCID: PMC11389792 DOI: 10.1126/sciadv.ado8230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Accepted: 08/02/2024] [Indexed: 09/13/2024]
Abstract
The brain integrates information from pain-predictive cues and noxious inputs to construct the pain experience. Although previous studies have identified neural encodings of individual pain components, how they are integrated remains elusive. Here, using a cue-induced pain task, we examined temporal functional magnetic resonance imaging activities within the state space, where axes represent individual voxel activities. By analyzing the features of these activities at the large-scale network level, we demonstrated that overall brain networks preserve both cue and stimulus information in their respective subspaces within the state space. However, only higher-order brain networks, including limbic and default mode networks, could reconstruct the pattern of participants' reported pain by linear summation of subspace activities, providing evidence for the integration of cue and stimulus information. These results suggest a hierarchical organization of the brain for processing pain components and elucidate the mechanism for their integration underlying our pain perception.
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Affiliation(s)
- Jungwoo Kim
- Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon, South Korea
- Department of Biomedical Engineering, Sungkyunkwan University, Suwon, South Korea
- Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon, South Korea
| | - Suhwan Gim
- Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon, South Korea
- Department of Biomedical Engineering, Sungkyunkwan University, Suwon, South Korea
- Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon, South Korea
| | - Seng Bum Michael Yoo
- Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon, South Korea
- Department of Biomedical Engineering, Sungkyunkwan University, Suwon, South Korea
- Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon, South Korea
- Department of Neurosurgery and McNair Scholar Program, Baylor College of Medicine, Houston, TX 77030, USA
| | - Choong-Wan Woo
- Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon, South Korea
- Department of Biomedical Engineering, Sungkyunkwan University, Suwon, South Korea
- Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon, South Korea
- Life-inspired Neural Network for Prediction and Optimization Research Group, Suwon, South Korea
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Hsu PS, Liu CH, Yang CJ, Lee LC, Li WC, Chao HT, Lin MW, Chen LF, Hsieh JC. Reward system neurodynamics during menstrual pain modulated by COMT Val158Met polymorphisms. Front Mol Neurosci 2024; 17:1457602. [PMID: 39290829 PMCID: PMC11405383 DOI: 10.3389/fnmol.2024.1457602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Accepted: 08/12/2024] [Indexed: 09/19/2024] Open
Abstract
Introduction Primary dysmenorrhea (PDM), characterized by cyclic pain, may involve pain modulation within the reward system (RS). The Catechol-O-methyltransferase (COMT) Val158Met polymorphism, which significantly influences dopamine activity, is linked to the regulation of both acute and chronic pain. This study examines the differential neurodynamic modulation in the RS associated with COMT Val158Met polymorphisms during menstrual pain among PDM subjects. Method Ninety-one PDM subjects underwent resting-state fMRI during menstruation and were genotyped for COMT Val158Met polymorphisms. The amplitude of low-frequency fluctuation (ALFF) and functional connectivity (FC) analyses were used to assess the RS response. Psychological evaluations included the McGill Pain Questionnaire, Pain Catastrophizing Scale, Beck Anxiety Inventory, and Beck Depression Inventory. Result Val/Val homozygotes (n = 50) and Met carriers (n = 41) showed no significant differences in McGill Pain Questionnaire, Beck Anxiety Inventory, and Beck Depression Inventory. However, Met carriers exhibited lower scores on the Pain Catastrophizing Scale. Distinct FC patterns was observed between Val/Val homozygotes and Met carriers, specifically between the nucleus accumbens (NAc) and prefrontal cortex, NAc and inferior parietal lobe, ventral tegmental area (VTA) and prefrontal cortex, VTA and precentral gyrus, and VTA and superior parietal lobe. Only Met carriers showed significant correlations between ALFF and FC values of the NAc and VTA with pain-related metrics (McGill Pain Questionnaire and Pain Catastrophizing Scale scores). NAc ALFF and NAc-prefrontal cortex FC values positively correlated with pain-related metrics, while VTA ALFF and VTA-prefrontal cortex and VTA-superior parietal lobe FC values negatively correlated with pain-related metrics. Discussion This study reveals that the COMT Val158Met polymorphism results in genotype-specific functional changes in the brain's RS during menstrual pain. In Met carriers, engagement of these regions is potentially linked to motivational reward-seeking and top-down modulation. This polymorphism likely influences the RS's responses, significantly contributing to individual differences in pain regulation.
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Affiliation(s)
- Pei-Shan Hsu
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Chinese Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
| | - Ching-Hsiung Liu
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Neurology, Lotung Poh-Ai Hospital, Yilan, Taiwan
| | - Ching-Ju Yang
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Biological Science and Technology, College of Engineering Bioscience, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
- Center for Intelligent Drug Systems and Smart Bio-devices, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
| | - Lin-Chien Lee
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Physical Medicine and Rehabilitation, Cheng Hsin General Hospital, Taipei, Taiwan
| | - Wei-Chi Li
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Biological Science and Technology, College of Engineering Bioscience, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
| | - Hsiang-Tai Chao
- Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ming-Wei Lin
- Institute of Public Health, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Li-Fen Chen
- Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Biomedical Informatics, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jen-Chuen Hsieh
- Integrated Brain Research Unit, Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
- Department of Biological Science and Technology, College of Engineering Bioscience, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
- Center for Intelligent Drug Systems and Smart Bio-devices, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
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Kolodziej J, Pintea B, Boström JP, Pleger B. Pain Relief-Related Structural Brain Alterations in Trigeminal Neuralgia Induced by Noninvasive Stereotactic Radiosurgery: A Pilot Study. Int J Radiat Oncol Biol Phys 2024; 120:130-136. [PMID: 38522767 DOI: 10.1016/j.ijrobp.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/15/2024] [Accepted: 03/02/2024] [Indexed: 03/26/2024]
Abstract
PURPOSE Trigeminal neuralgia (TN) is a chronic pain disorder defined by unilateral shock-like pain in at least one division of the trigeminal nerve. Although several studies have investigated structural brain plasticity in patients with TN, treatment-induced alterations remain largely uninvestigated. METHODS AND MATERIALS Combining T1-weighted magnetic resonance imaging with voxel-based morphometry and multiple-regression analyses, we assessed gray matter maps of patients with TN to investigate changes in gray matter volume (GMV) before and 6 months after stereotactic radiosurgery (SRS). RESULTS Comparison of pre- and post-SRS GMV of 25 patients with TN (16 women; mean age 67 years) did not yield any significant clusters, suggesting that the effect of SRS intervention itself on gray matter structure may be negligible. Regarding SRS-induced pain relief, we found a significant GMV increase in the left superior frontal gyrus associated with greater degree of pain relief (P = .024) and a trend toward an increase in GMV in the left dorsolateral prefrontal cortex (P = .097). CONCLUSIONS In this pilot study, we observed significant increases in GMV in the left superior frontal gyrus with SRS-induced improvements in pain and a trend toward an increase in GMV in the dorsolateral prefrontal cortex. Future studies are indicated to validate these findings and determine whether SRS-induced decrease in distracting pain events and subsequent increases in GMV result in improved functionality, decreased dependence on "top-down" control, and improved cognitive/executive balance with amelioration of pain events.
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Affiliation(s)
- Jonas Kolodziej
- Department of Neurology, BG University Clinic Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Bogdan Pintea
- Department of Neurosurgery, BG University Clinic Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Jan Patrick Boström
- Gamma Knife Zentrum Bochum, Department of Radiotherapy and Radio-Oncology, University Clinic Marien Hospital Herne, Bochum, Germany; Department of Radiosurgery and Stereotactic Radiotherapy, MediClinRobert Janker Clinic and MediClin MVZ Bonn, Bonn, Germany.
| | - Burkhard Pleger
- Department of Neurology, BG University Clinic Bergmannsheil, Ruhr-University Bochum, Bochum, Germany.
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10
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Jao CW, Wu YT, Chen WH, Yeh JH, Tsai YF, Hsiao CY, Walsh V, Lau CI. Brain structural network modular and connectivity alterations in subtypes of patients with migraine and medication overuse headache. PROGRESS IN BRAIN RESEARCH 2024; 290:23-61. [PMID: 39448113 DOI: 10.1016/bs.pbr.2024.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 07/16/2024] [Accepted: 07/24/2024] [Indexed: 10/26/2024]
Abstract
Migraine, one of the most prevalent and debilitating neurological disorders, can be classified based on attack frequency into episodic migraine (EM) and chronic migraine (CM). Medication overuse headache (MOH), a type of chronic headache, arises when painkillers are overused by individuals with untreated or inadequately treated headaches. This study compares regional cortical morphological alterations and brain structural network changes among these headache subgroups. Sixty participants, including 20 in each of the following patient groups (EM, CM, MOH), and healthy controls (HC) completed the study. Our results show that the EM group exhibited cortical thickness (CTs) thinning predominantly in the left limbic, whereas CM patients exhibited CTs thinning across both left and right hemispheres. The MOH group demonstrated the most widespread CTs thinning. Both CM and MOH exhibited comparable patterns of CTs thinning within lobes, leading to reduced intra-lobe connectivity. While there were no significant differences in total inter-lobe connectivity between migraine groups and HC, both CM and MOH groups exhibited significantly decreased inter-limbic connectivity compared to HC and EM groups. In addition, they showed increased inter-frontal and inter-parietal connectivity, suggesting possible compensatory mechanisms to offset the loss of inter-lobe connectivity between the limbic and other lobes. Both CM and MOH groups exhibited a significant loss of global efficiency and a decrease in betweenness centrality in their brain networks, with MOH showing the most pronounced decrease and CM showing the second largest decrease. Our results suggest that aberrant structural brain networks in CM and MOH are less efficient, less centralization, and abnormally segregated.
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Affiliation(s)
- Chi-Wen Jao
- Institute of Biophotonics, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Research, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Yu-Te Wu
- Institute of Biophotonics, National Yang Ming Chiao Tung University, Taipei, Taiwan; Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Wei-Hung Chen
- Department of Neurology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Jiann-Hong Yeh
- Department of Neurology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan; College of Medicine, Fu-Jen Catholic University, New Taipei City, Taiwan
| | - Yuh-Feng Tsai
- College of Medicine, Fu-Jen Catholic University, New Taipei City, Taiwan; Department of Diagnostic Radiology, Shin Kong Wu Ho Su Memorial Hospital, Taipei, Taiwan
| | - Chen-Yu Hsiao
- Department of Diagnostic Radiology, Shin Kong Wu Ho Su Memorial Hospital, Taipei, Taiwan
| | - Vincent Walsh
- Applied Cognitive Neuroscience Group, Institute of Cognitive Neuroscience, University College London, London, United Kingdom
| | - Chi Ieong Lau
- Institute of Biophotonics, National Yang Ming Chiao Tung University, Taipei, Taiwan; College of Medicine, Fu-Jen Catholic University, New Taipei City, Taiwan; Applied Cognitive Neuroscience Group, Institute of Cognitive Neuroscience, University College London, London, United Kingdom; Dementia Center, Department of Neurology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan.
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11
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Yang Y, Xia C, Xu Z, Hu Y, Huang M, Li D, Zheng Y, Li Y, Xu F, Wang J. rTMS applied to the PFC relieves neuropathic pain and modulates neuroinflammation in CCI rats. Neuroscience 2024; 554:137-145. [PMID: 38992566 DOI: 10.1016/j.neuroscience.2024.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 07/02/2024] [Accepted: 07/03/2024] [Indexed: 07/13/2024]
Abstract
The study aimed to assess the analgesic effect of 10 Hz repetitive transcranial magnetic stimulation (rTMS) targeted to the prefrontal cortex (PFC) region on neuropathic pain (NPP) in rats with chronic constriction injury (CCI) of the sciatic nerve, and to investigate the possible underlying mechanism. Rats were randomly divided into three groups: sham operation, CCI, and rTMS. In the latter group, rTMS was applied to the left PFC. Von Frey fibres were used to measure the paw withdrawal mechanical threshold (PWMT). At the end of the treatment, immunofluorescence and western blotting were applied to detect the expression of M1 and M2 polarisation markers in microglia in the left PFC and sciatic nerve. ELISA was further used to detect the concentrations of inflammation-related cytokines. The results showed that CCI caused NPP in rats, reduced the pain threshold, promoted microglial polarisation to the M1 phenotype, and increased the secretion of pro-inflammatory and anti-inflammatory factors. Moreover, 10 Hz rTMS to the PFC was shown to improve NPP induced by CCI, induce microglial polarisation to M2, reduce the secretion of pro-inflammatory factors, and further increase the secretion of anti-inflammatory factors. Our data suggest that 10 Hz rTMS can alleviate CCI-induced neuropathic pain, while the underlying mechanism may potentially be related to the regulation of microglial M1-to-M2-type polarisation to regulate neuroinflammation.
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Affiliation(s)
- Yue Yang
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, PR China
| | - Cuihong Xia
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, PR China
| | - Zhangyu Xu
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, PR China; Department of Rehabilitation Medicine, Southwest Medical University, Luzhou, Sichuan, PR China; Rehabilitation Medicine and Engineering Key Laboratory of Luzhou, Luzhou, Sichuan, PR China
| | - Yue Hu
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, PR China; Department of Rehabilitation Medicine, Southwest Medical University, Luzhou, Sichuan, PR China; Rehabilitation Medicine and Engineering Key Laboratory of Luzhou, Luzhou, Sichuan, PR China
| | - Maomao Huang
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, PR China; Department of Rehabilitation Medicine, Southwest Medical University, Luzhou, Sichuan, PR China; Rehabilitation Medicine and Engineering Key Laboratory of Luzhou, Luzhou, Sichuan, PR China
| | - Dan Li
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, PR China; Department of Rehabilitation Medicine, Southwest Medical University, Luzhou, Sichuan, PR China; Rehabilitation Medicine and Engineering Key Laboratory of Luzhou, Luzhou, Sichuan, PR China
| | - Yadan Zheng
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, PR China
| | - Yang Li
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, PR China
| | - Fangyuan Xu
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, PR China; Department of Rehabilitation Medicine, Southwest Medical University, Luzhou, Sichuan, PR China; Rehabilitation Medicine and Engineering Key Laboratory of Luzhou, Luzhou, Sichuan, PR China.
| | - Jianxiong Wang
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, PR China; Department of Rehabilitation Medicine, Southwest Medical University, Luzhou, Sichuan, PR China; Rehabilitation Medicine and Engineering Key Laboratory of Luzhou, Luzhou, Sichuan, PR China.
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12
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Biggs EE, Timmers I, Heathcote LC, Tremblay-McGaw AG, Noel M, Borsook D, Simons LE. Emotional memory bias in adolescents with chronic pain: examining the relationship with neural, stress, and psychological factors. Pain 2024:00006396-990000000-00688. [PMID: 39172857 DOI: 10.1097/j.pain.0000000000003382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 07/12/2024] [Indexed: 08/24/2024]
Abstract
ABSTRACT Memory biases for pain-related information may contribute to the development and maintenance of chronic pain; however, evidence for when (and for whom) these biases occur is mixed. Therefore, we examined neural, stress, and psychological factors that could influence memory bias, focusing on memories that motivate disabling behaviors: pain perception, conditioned responses to threat-and-safety cues, and responses to aversive nonnoxious stimuli. Two studies were conducted with adolescents with and without chronic pain. Data from 58 participants were included in study 1 (chronic pain n = 34, pain free n = 24, mean age = 16 years), and 39 participants were included in study 2 (chronic pain n = 26, pain free n = 13, mean age = 16 years). Both studies used a threat-safety learning paradigm with memory recall (≈1 month later). Participants completed structural and functional (resting-state) magnetic resonance imaging, salivary cortisol measurements, and self-report measures. Adolescents with pain and pain-free peers consistently recalled being more afraid of safety cues (CS-) and, during heightened stress at encoding (higher cortisol levels), also reported being more afraid of threat cues (CS+). However, no memory bias was present for the emotional response to an aversive stimulus (US; loud scream) or for the recall of pain intensity. Functional connectivity of the amygdala and hippocampus with memory circuits related to the degree of memory bias, but the specific connections varied between the studies, and we observed no relationship between memory bias and brain morphology. Our findings highlight the value of considering the interaction between implicit and explicit memory systems, contributing to a more comprehensive understanding of emotional memory biases in the context of chronic pain.
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Affiliation(s)
- Emma E Biggs
- Department of Anesthesiology, Perioperative, and Pain Medicine, Stanford University School of Medicine, Palo Alto, CA, United States
- Department of Medical and Clinical Psychology, Tilburg University, Tilburg, the Netherlands
| | - Inge Timmers
- Department of Anesthesiology, Perioperative, and Pain Medicine, Stanford University School of Medicine, Palo Alto, CA, United States
- Department of Medical and Clinical Psychology, Tilburg University, Tilburg, the Netherlands
| | - Lauren C Heathcote
- Department of Anesthesiology, Perioperative, and Pain Medicine, Stanford University School of Medicine, Palo Alto, CA, United States
- Health Psychology Section, Institute of Psychiatry Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Alexandra G Tremblay-McGaw
- Department of Anesthesiology, Perioperative, and Pain Medicine, Stanford University School of Medicine, Palo Alto, CA, United States
| | - Melanie Noel
- Department of Psychology, University of Calgary, Calgary, AB, Canada
| | - David Borsook
- Center for Pain and the Brain, Harvard Medical School, Boston, MA, United States
| | - Laura E Simons
- Department of Anesthesiology, Perioperative, and Pain Medicine, Stanford University School of Medicine, Palo Alto, CA, United States
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13
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He Z, Li G, Chen Z, Hu Z, Wang Q, Huang G, Luo Q. Trajectories of pain and their associations with long-term cognitive decline in older adults: evidence from two longitudinal cohorts. Age Ageing 2024; 53:afae183. [PMID: 39148435 DOI: 10.1093/ageing/afae183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 07/15/2024] [Indexed: 08/17/2024] Open
Abstract
BACKGROUND Pain is a dynamic experience that varies over time, but it remains unknown whether trajectories of pain are associated with subsequent cognitive decline. The purpose of this study was to identify distinct trajectories of pain presence and activity-limiting pain and investigate their longitudinal associations with the rate of subsequent cognitive decline in older adults. METHODS A total of 5685 participants from the English Longitudinal Study of Ageing (ELSA) and 7619 participants from the Health and Retirement Study (HRS) were included. Pain presence trajectories were identified over eight years in the ELSA and 10 years in the HRS, while trajectories of activity-limiting pain were identified over 10 years in the HRS. We utilised linear mixed-effects models to investigate the long-term relationship between pain trajectories and the rate of cognitive decline across various domains, including memory, orientation, executive function and global cognition. RESULTS Three pain presence trajectories were identified. Moderate-increasing and high-stable groups exhibited steeper declines in global cognition than the low-stable group. Furthermore, individuals in the moderate-increasing group experienced a more rapid decline in executive function, while the high-stable group showed a faster decline in orientation function. Two trajectories of activity-limiting pain were identified, with the moderate-increasing group experiencing a faster decline in orientation function and global cognition. CONCLUSIONS The trajectories of both pain presence and activity-limiting pain are linked to the rate of subsequent cognitive decline among older people. Interventions for specific pain trajectories might help to delay the decline rate of cognition in specific domains.
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Affiliation(s)
- Zijun He
- Department of Rehabilitation Medicine, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China
- Dongguan Experimental Centre for Sports Rehabilitation Research, Dongguan, China
| | - Gege Li
- Department of Rehabilitation Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- School of Rehabilitation Medicine, Southern Medical University, Guangzhou, China
| | - Zhi Chen
- Department of Rehabilitation Medicine, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China
| | - Zihang Hu
- Department of Rehabilitation Medicine, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China
| | - Qingwei Wang
- Department of Rehabilitation Medicine, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China
| | - Guozhi Huang
- Department of Rehabilitation Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- School of Rehabilitation Medicine, Southern Medical University, Guangzhou, China
| | - Qinglu Luo
- Department of Rehabilitation Medicine, The Tenth Affiliated Hospital of Southern Medical University (Dongguan People's Hospital), Dongguan, China
- Dongguan Experimental Centre for Sports Rehabilitation Research, Dongguan, China
- Rehabilitation Department, Dongguan Key Specialty of Traditional Chinese Medicine, Dongguan, China
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14
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Čeko M, Baeuerle T, Webster L, Wager TD, Lumley MA. The effects of virtual reality neuroscience-based therapy on clinical and neuroimaging outcomes in patients with chronic back pain: a randomized clinical trial. Pain 2024; 165:1860-1874. [PMID: 38466872 DOI: 10.1097/j.pain.0000000000003198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 01/06/2024] [Indexed: 03/13/2024]
Abstract
ABSTRACT Chronic pain remains poorly managed. The integration of immersive technologies (ie, virtual reality [VR]) with neuroscience-based principles may provide effective pain treatment by targeting cognitive and affective neural processes that maintain pain and therefore potentially changing neurobiological circuits associated with pain chronification and amplification. We tested the effectiveness of a novel VR neuroscience-based therapy (VRNT) to improve pain-related outcomes in n = 31 participants with chronic back pain, evaluated against usual care (waitlist control; n = 30) in a 2-arm randomized clinical trial ( NCT04468074) . We also conducted pre-treatment and post-treatment MRI to test whether VRNT affects brain networks previously linked to chronic pain and treatment effects. Compared with the control condition, VRNT led to significantly reduced pain intensity (g = 0.63) and pain interference (g = 0.84) at post-treatment vs pre-treatment, with effects persisting at 2-week follow-up. These improvements were partially mediated by reduced kinesiophobia and pain catastrophizing. Several secondary clinical outcomes were also improved by VRNT, including disability, quality of life, sleep, and fatigue. In addition, VRNT was associated with increases in dorsomedial prefrontal functional connectivity with the superior somatomotor, anterior prefrontal and visual cortices, and decreased white matter fractional anisotropy in the corpus callosum adjacent to the anterior cingulate, relative to the control condition. Thus, VRNT showed preliminary efficacy in significantly reducing pain and improving overall functioning, possibly through changes in somatosensory and prefrontal brain networks.
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Affiliation(s)
- Marta Čeko
- Institute of Cognitive Science, University of Colorado, Boulder, CO, United States
| | | | - Lynn Webster
- U.S. Center for Policy, Scientific Affairs, Dr. Vince Clinical Research, Salt Lake City, UT, United States
| | - Tor D Wager
- Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH, United States
| | - Mark A Lumley
- Department of Psychology, Wayne State University, Detroit, MI, United States
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15
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Pinilla-Fernández I, Ríos-León M, Deelchand DK, Garrido L, Torres-Llacsa M, García-García F, Vidorreta M, Ip IB, Bridge H, Taylor J, Barriga-Martín A. Chronic neuropathic pain components in whiplash-associated disorders correlate with metabolite concentrations in the anterior cingulate and dorsolateral prefrontal cortex: a consensus-driven MRS re-examination. Front Med (Lausanne) 2024; 11:1404939. [PMID: 39156690 PMCID: PMC11328873 DOI: 10.3389/fmed.2024.1404939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 07/12/2024] [Indexed: 08/20/2024] Open
Abstract
Introduction Whiplash injury (WHI) is characterised by a forced neck flexion/extension, which frequently occurs after motor vehicle collisions. Previous studies characterising differences in brain metabolite concentrations and correlations with neuropathic pain (NP) components with chronic whiplash-associated disorders (WAD) have been demonstrated in affective pain-processing areas such as the anterior cingulate cortex (ACC). However, the detection of a difference in metabolite concentrations within these cortical areas with chronic WAD pain has been elusive. In this study, single-voxel magnetic resonance spectroscopy (MRS), following the latest MRSinMRS consensus group guidelines, was performed in the anterior cingulate cortex (ACC), left dorsolateral prefrontal cortex (DLPFC), and occipital cortex (OCC) to quantify differences in metabolite concentrations in individuals with chronic WAD with or without neuropathic pain (NP) components. Materials and methods Healthy individuals (n = 29) and participants with chronic WAD (n = 29) were screened with the Douleur Neuropathique 4 Questionnaire (DN4) and divided into groups without (WAD-noNP, n = 15) or with NP components (WAD-NP, n = 14). Metabolites were quantified with LCModel following a single session in a 3 T MRI scanner within the ACC, DLPFC, and OCC. Results Participants with WAD-NP presented moderate pain intensity and interference compared with the WAD-noNP group. Single-voxel MRS analysis demonstrated a higher glutamate concentration in the ACC and lower total choline (tCho) in the DLPFC in the WAD-NP versus WAD-noNP group, with no intergroup metabolite difference detected in the OCC. Best fit and stepwise multiple regression revealed that the normalised ACC glutamate/total creatine (tCr) (p = 0.01), DLPFC n-acetyl-aspartate (NAA)/tCr (p = 0.001), and DLPFC tCho/tCr levels (p = 0.02) predicted NP components in the WAD-NP group (ACC r 2 = 0.26, α = 0.81; DLPFC r 2 = 0.62, α = 0.98). The normalised Glu/tCr concentration was higher in the healthy than the WAD-noNP group within the ACC (p < 0.05), but not in the DLPFC or OCC. Neither sex nor age affected key normalised metabolite concentrations related to WAD-NP components when compared to the WAD-noNP group. Discussion This study demonstrates that elevated glutamate concentrations within the ACC are related to chronic WAD-NP components, while higher NAA and lower tCho metabolite levels suggest a role for increased neuronal-glial signalling and cell membrane dysfunction in individuals with chronic WAD-NP components.
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Affiliation(s)
- Irene Pinilla-Fernández
- Sensorimotor Function Group, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
- Instituto de Investigación Sanitaria de Castilla La Mancha (IDISCAM), Toledo, Spain
- Grupo de Sistemas Complejos, Universidad Politécnica de Madrid, Madrid, Spain
| | - Marta Ríos-León
- Sensorimotor Function Group, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
- Instituto de Investigación Sanitaria de Castilla La Mancha (IDISCAM), Toledo, Spain
| | - Dinesh Kumar Deelchand
- Department of Radiology, Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States
| | - Leoncio Garrido
- Departamento de Química-Física, Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), CSIC, Madrid, Spain
| | - Mabel Torres-Llacsa
- Instituto de Investigación Sanitaria de Castilla La Mancha (IDISCAM), Toledo, Spain
- Servicio de Radiodiagnóstico, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
| | - Fernando García-García
- Instituto de Investigación Sanitaria de Castilla La Mancha (IDISCAM), Toledo, Spain
- Servicio de Radiodiagnóstico, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
| | | | - I. Betina Ip
- Wellcome Centre for Integrative Neuroimaging, FMRIB, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom
| | - Holly Bridge
- Wellcome Centre for Integrative Neuroimaging, FMRIB, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom
| | - Julian Taylor
- Sensorimotor Function Group, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
- Instituto de Investigación Sanitaria de Castilla La Mancha (IDISCAM), Toledo, Spain
- Harris Manchester College, University of Oxford, Oxford, United Kingdom
| | - Andrés Barriga-Martín
- Instituto de Investigación Sanitaria de Castilla La Mancha (IDISCAM), Toledo, Spain
- Research Group in Spine Pathology, Orthopedic Surgery and Traumatology Unit, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain
- Faculty of Medicine, University of Castilla La Mancha, Toledo, Spain
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16
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Chen Y, Shen P, He Y, Zeng D, Li Y, Zhang Y, Chen M, Liu C. Bibliometric analysis of functional magnetic resonance imaging studies on chronic pain over the past 20 years. Acta Neurochir (Wien) 2024; 166:307. [PMID: 39060813 DOI: 10.1007/s00701-024-06204-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024]
Abstract
PURPOSE The utilization of functional magnetic resonance imaging (fMRI) in studying the mechanisms and treatment of chronic pain has gained significant popularity. However, there is currently a dearth of literature conducting bibliometric analysis on fMRI studies focused on chronic pain. METHODS All the literature included in this study was obtained from the Science Citation Index Expanded of Web of Science Core Collection. We used CiteSpace and VOSviewer to analyze publications, authors, countries or regions, institutions, journals, references and keywords. Additionally, we evaluated the timeline and burst analysis of keywords, as well as the timeline and burst analysis of references. The search was conducted from 2004 to 2023 and completed within a single day on October 4th, 2023. RESULTS A total of 1,327 articles were retrieved. The annual publication shows an overall increasing trend. The United States has the highest number of publications and the main contributing institution is Harvard University. The journal PAIN produces the most articles. In recent years, resting-state fMRI, the prefrontal cortex, nucleus accumbens, thalamus, and migraines have been researched hotspots of fMRI studies on chronic pain. CONCLUSIONS This study provides an in-depth perspective on fMRI for chronic pain research, revealing key points, research hotspots and research trends, which offers valuable ideas for future research activities. It concludes with a summary of advances in clinical practice in this area, pointing out the need for critical evaluation of these findings in the light of guidelines and expert recommendations. It is anticipated that further high-quality research outputs will be generated in the future, which will facilitate the utilization of fMRI in clinical decision-making for chronic pain.
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Affiliation(s)
- Yiming Chen
- Clinical Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Peifeng Shen
- Clinical Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yanan He
- Clinical Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Deyi Zeng
- Department of Radiology, Panyu Health Management Center (Panyu Rehabilitation Hospital), 688 West Yushan Road Shatou Street, Panyu District, Guangzhou, China
| | - Yuanchao Li
- Clinical Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yuting Zhang
- Clinical Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Mengtong Chen
- Clinical Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Chunlong Liu
- Clinical Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China.
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Mathew J, Adhia DB, Smith ML, De Ridder D, Mani R. Closed-Loop Infraslow Brain-Computer Interface can Modulate Cortical Activity and Connectivity in Individuals With Chronic Painful Knee Osteoarthritis: A Secondary Analysis of a Randomized Placebo-Controlled Clinical Trial. Clin EEG Neurosci 2024:15500594241264892. [PMID: 39056313 DOI: 10.1177/15500594241264892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
Introduction. Chronic pain is a percept due to an imbalance in the activity between sensory-discriminative, motivational-affective, and descending pain-inhibitory brain regions. Evidence suggests that electroencephalography (EEG) infraslow fluctuation neurofeedback (ISF-NF) training can improve clinical outcomes. It is unknown whether such training can induce EEG activity and functional connectivity (FC) changes. A secondary data analysis of a feasibility clinical trial was conducted to determine whether EEG ISF-NF training can significantly alter EEG activity and FC between the targeted cortical regions in people with chronic painful knee osteoarthritis (OA). Methods. A parallel, two-arm, double-blind, randomized, sham-controlled clinical trial was conducted. People with chronic knee pain associated with OA were randomized to receive sham NF training or source-localized ratio ISF-NF training protocol to down-train ISF bands at the somatosensory (SSC), dorsal anterior cingulate (dACC), and uptrain pregenual anterior cingulate cortices (pgACC). Resting state EEG was recorded at baseline and immediate post-training. Results. The source localization mapping demonstrated a reduction (P = .04) in the ISF band activity at the left dorsolateral prefrontal cortex (LdlPFC) in the active NF group. Region of interest analysis yielded significant differences for ISF (P = .008), slow (P = .007), beta (P = .043), and gamma (P = .012) band activities at LdlPFC, dACC, and bilateral SSC. The FC between pgACC and left SSC in the delta band was negatively correlated with pain bothersomeness in the ISF-NF group. Conclusion. The EEG ISF-NF training can modulate EEG activity and connectivity in individuals with chronic painful knee osteoarthritis, and the observed EEG changes correlate with clinical pain measures.
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Affiliation(s)
- Jerin Mathew
- Centre for Health, Activity, and Rehabilitation Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand
- Department of Anatomy, School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
- Pain@Otago Research Theme, University of Otago, Dunedin, New Zealand
| | - Divya Bharatkumar Adhia
- Pain@Otago Research Theme, University of Otago, Dunedin, New Zealand
- Division of Neurosurgery, Department of Surgical Sciences, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
| | | | - Dirk De Ridder
- Pain@Otago Research Theme, University of Otago, Dunedin, New Zealand
- Division of Neurosurgery, Department of Surgical Sciences, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand
| | - Ramakrishnan Mani
- Centre for Health, Activity, and Rehabilitation Research, School of Physiotherapy, University of Otago, Dunedin, New Zealand
- Pain@Otago Research Theme, University of Otago, Dunedin, New Zealand
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18
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Gui H, Xiao P, Xu B, Zhao X, Wang H, Tao L, Zhang X, Li Q, Zhang X, Chen H, Wang H, Lv F, Luo T, Cheng O, Luo J, Man Y, Xiao Z, Fang W. Machine learning models for diagnosis of essential tremor and dystonic tremor using grey matter morphological networks. Parkinsonism Relat Disord 2024; 124:106985. [PMID: 38718478 DOI: 10.1016/j.parkreldis.2024.106985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 04/27/2024] [Accepted: 04/27/2024] [Indexed: 07/05/2024]
Abstract
BACKGROUND Essential tremor (ET) and dystonic tremor (DT) are the two most common tremor disorders, and misdiagnoses are very common due to similar tremor symptoms. In this study, we explore the structural network mechanisms of ET and DT using brain grey matter (GM) morphological networks and combine those with machine learning models. METHODS 3D-T1 structural images of 75 ET patients, 71 DT patients, and 79 healthy controls (HCs) were acquired. We used voxel-based morphometry to obtain GM images and constructed GM morphological networks based on the Kullback-Leibler divergence-based similarity (KLS) method. We used the GM volumes, morphological relations, and global topological properties of GM-KLS morphological networks as input features. We employed three classifiers to perform the classification tasks. Moreover, we conducted correlation analysis between discriminative features and clinical characteristics. RESULTS 16 morphological relations features and 1 global topological metric were identified as the discriminative features, and mainly involved the cerebello-thalamo-cortical circuits and the basal ganglia area. The Random Forest (RF) classifier achieved the best classification performance in the three-classification task, achieving a mean accuracy (mACC) of 78.7%, and was subsequently used for binary classification tasks. Specifically, the RF classifier demonstrated strong classification performance in distinguishing ET vs. HCs, ET vs. DT, and DT vs. HCs, with mACCs of 83.0 %, 95.2 %, and 89.3 %, respectively. Correlation analysis demonstrated that four discriminative features were significantly associated with the clinical characteristics. CONCLUSION This study offers new insights into the structural network mechanisms of ET and DT. It demonstrates the effectiveness of combining GM-KLS morphological networks with machine learning models in distinguishing between ET, DT, and HCs.
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Affiliation(s)
- Honge Gui
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Pan Xiao
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Bintao Xu
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiaole Zhao
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Hongyu Wang
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Li Tao
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiaoyu Zhang
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qin Li
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xueyan Zhang
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Huiyue Chen
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Hansheng Wang
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Fajin Lv
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Tianyou Luo
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Oumei Cheng
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jin Luo
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yun Man
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zheng Xiao
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Weidong Fang
- Department of Radiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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19
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Epp S, Walker A, Boudes E, Bray S, Noel M, Rayner L, Rasic N, Miller JV. Brain Function and Pain Interference After Pediatric Intensive Interdisciplinary Pain Treatment. Clin J Pain 2024; 40:393-399. [PMID: 38606879 DOI: 10.1097/ajp.0000000000001216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 04/02/2024] [Indexed: 04/13/2024]
Abstract
OBJECTIVES Intensive interdisciplinary pain treatments (IIPTs) are programs that aim to improve functioning in youth with severe chronic pain. Little is known about how the brain changes after IIPT; however, decreased brain responses to emotional stimuli have been identified previously in pediatric chronic pain relative to healthy controls. We examined whether IIPT increased brain responses to emotional stimuli, and whether this change was associated with a reduction in pain interference. PATIENTS AND METHODS Twenty youths with chronic pain aged 14 to 18 years were scanned using functional magnetic resonance imaging, pre and post-IIPT. During the functional magnetic resonance imaging, patients were presented with emotional stimuli (ie, faces expressing happiness/fear), neutral expressions, and control (ie, scrambled) images. Patients completed a measure of pain interference pre and post-IIPT. Paired t tests were used to examine differences in brain activation in response to emotional versus neutral stimuli, pre to post-IIPT. Data from significant brain clusters were entered into linear mixed models to examine the relationships between brain activation and impairment pre and post-IIPT. RESULTS Patients demonstrated a decrease in middle frontal gyrus (MFG) activation in response to emotional stimuli (happy + fear) relative to scrambled images, between pre and post-IIPT ( P < 0.05). Lower MFG activation was associated with lower pain interference, pre and post-IIPT ( P < 0.05). CONCLUSION Contrary to our hypothesis, IIPT was associated with a reduction in MFG activation to emotional stimuli, and this change was associated with reduced pain interference. The MFG is a highly interconnected brain area involved in both pain chronification and antinociception. With further validation of these results, the MFG may represent an important biomarker for evaluating patient treatment response and target for future pain interventions.
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Affiliation(s)
- Spencer Epp
- Department of Anesthesiology, Perioperative and Pain Medicine
| | - Andrew Walker
- Department of Anesthesiology, Perioperative and Pain Medicine
| | | | - Signe Bray
- Department of Radiology, Cumming School of Medicine
- Hotchkiss Brain Institute
- Owerko Centre, Alberta Children's Hospital Research Institute
- Alberta Children's Hospital Research Institute
| | - Melanie Noel
- Department of Radiology, Psychology
- Hotchkiss Brain Institute
- Owerko Centre, Alberta Children's Hospital Research Institute
- Alberta Children's Hospital Research Institute
- Vi Riddell Children's Pain and Rehabilitation Centre, Alberta Children's Hospital, Calgary, AB, Canada
| | - Laura Rayner
- Department of Anesthesiology, Perioperative and Pain Medicine
| | - Nivez Rasic
- Department of Anesthesiology, Perioperative and Pain Medicine
- Alberta Children's Hospital Research Institute
- Vi Riddell Children's Pain and Rehabilitation Centre, Alberta Children's Hospital, Calgary, AB, Canada
| | - Jillian Vinall Miller
- Department of Anesthesiology, Perioperative and Pain Medicine
- Department of Radiology, Psychology
- O'Brien Institute for Public Health, University of Calgary
- Hotchkiss Brain Institute
- Owerko Centre, Alberta Children's Hospital Research Institute
- Alberta Children's Hospital Research Institute
- Vi Riddell Children's Pain and Rehabilitation Centre, Alberta Children's Hospital, Calgary, AB, Canada
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20
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Ikarashi H, Otsuru N, Gomez-Tames J, Hirata A, Nagasaka K, Miyaguchi S, Sakurai N, Ohno K, Kodama N, Onishi H. Modulation of pain perception through transcranial alternating current stimulation and its nonlinear relationship with the simulated electric field magnitude. Eur J Pain 2024; 28:1018-1028. [PMID: 38318653 DOI: 10.1002/ejp.2249] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 01/18/2024] [Accepted: 01/21/2024] [Indexed: 02/07/2024]
Abstract
BACKGROUND Oscillatory activities observed in multiple regions are closely associated with the experience of pain. Specifically, oscillatory activities within the theta- and beta-frequency bands, observed in the left dorsolateral prefrontal cortex (DLPFC), have been implicated in pain perception among healthy individuals and those with chronic pain. However, their physiological significance remains unclear. METHODS We explored the modulation of pain perception in healthy individuals by theta- and beta-band transcranial alternating current stimulation (tACS) over the left DLPFC and examined the relationship between the modulation effect and magnitude of the electric field elicited by tACS in the left DLPFC using computational simulation. RESULTS Our findings revealed that both theta- and beta-tACS increased the heat pain threshold during and after stimulation. Notably, the simulated electric field magnitude in the left DLPFC exhibited an inverted U-shaped relationship with the pain modulation effect for theta-tACS. CONCLUSIONS Our study findings suggested that there would be an optimal electric field strength to produce a high analgesic effect for theta-tACS. SIGNIFICANCE The application of theta- and beta-tACS interventions targeting the left DLPFC might facilitate the treatment of chronic pain. Furthermore, the attainment of effective pain modulation via theta-tACS over the DLPFC warrants the use of optimal stimulus intensity.
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Affiliation(s)
- H Ikarashi
- Graduate School, Niigata University of Health and Welfare, Niigata, Japan
| | - N Otsuru
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
| | - J Gomez-Tames
- Department of Electromechanical Engineering, Nagoya Institute of Technology, Nagoya, Aichi, Japan
- Center of Biomedical Physics and Information Technology, Nagoya Institute of Technology, Nagoya, Aichi, Japan
| | - A Hirata
- Department of Electromechanical Engineering, Nagoya Institute of Technology, Nagoya, Aichi, Japan
- Center of Biomedical Physics and Information Technology, Nagoya Institute of Technology, Nagoya, Aichi, Japan
| | - K Nagasaka
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
| | - S Miyaguchi
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
| | - N Sakurai
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
| | - K Ohno
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
| | - N Kodama
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
| | - H Onishi
- Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Niigata, Japan
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21
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Tiwari VK, Kumar A, Nanda S, Chaudhary S, Sharma R, Kumar U, Kumaran SS, Bhatia R. Effect of neuronavigated repetitive Transcranial Magnetic Stimulation on pain, cognition and cortical excitability in fibromyalgia syndrome. Neurol Sci 2024; 45:3421-3433. [PMID: 38270728 DOI: 10.1007/s10072-024-07317-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 01/07/2024] [Indexed: 01/26/2024]
Abstract
BACKGROUND Fibromyalgia syndrome is a widespread chronic pain condition identified by body-wide pain, fatigue, cognitive fogginess, and sleep issues. In the past decade, repetitive transcranial magnetic stimulation has emerged as a potential management tool.. In the present study, we enquired whether repetitive transcranial magnetic stimulation could modify pain, corticomotor excitability, cognition, and sleep. METHODS Study is a randomized, sham-controlled, double-blind, clinical trial; wherein after randomizing thirty-four fibromyalgia patients into active or sham therapy (n = 17 each), each participant received repetitive transcranial magnetic stimulation therapy. In active therapy was given at 1 Hz for 20 sessions were delivered on dorsolateral prefrontal cortex (1200 pulses, 150 pulses per train for 8 trains); while in sham therapy coil was placed at right angle to the scalp with same frequency. Functional magnetic resonance imaging was used to identify the therapeutic site. Pain intensity, corticomotor excitability, cognition, and sleep were examined before and after therapy. RESULTS Baseline demographic and clinical parameters for both active and sham groups were comparable. In comparison to sham, active repetitive transcranial magnetic stimulation showed significant difference in pain intensity (P < 0.001, effect size = 0.29, large effect) after intervention. Other parameters of pain perception, cognition, and sleep quality also showed a significant improvement after the therapy in active therapy group only, as compared to sham. CONCLUSIONS Findings suggest that repetitive transcranial magnetic stimulation intervention is effective in managing pain alongside cognition and sleep disturbances in patients of fibromyalgia. It may prove to be an important tool in relieving fibromyalgia-associated morbidity.
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Affiliation(s)
- Vikas Kumar Tiwari
- Pain Research and TMS Laboratory, Department of Physiology, All India Institute of Medical Sciences, New Delhi, India, 110029
| | - Aasheesh Kumar
- Pain Research and TMS Laboratory, Department of Physiology, All India Institute of Medical Sciences, New Delhi, India, 110029
| | - Srishti Nanda
- Pain Research and TMS Laboratory, Department of Physiology, All India Institute of Medical Sciences, New Delhi, India, 110029
| | - Shefali Chaudhary
- Department of Nuclear Magnetic Resonance and MRI Facility, New Delhi, India
| | - Ratna Sharma
- Stress and Cognition Electroimaging Laboratory, Department of Physiology, New Delhi, India
| | - Uma Kumar
- Department of Rheumatology, All India Institute of Medical Sciences (AIIMS), New Delhi, India, 110029
| | - Senthil S Kumaran
- Department of Nuclear Magnetic Resonance and MRI Facility, New Delhi, India
| | - Renu Bhatia
- Pain Research and TMS Laboratory, Department of Physiology, All India Institute of Medical Sciences, New Delhi, India, 110029.
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22
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Kang B, Ma J, Shen J, Zhao C, Hua X, Qiu G, A X, Xu H, Xu J, Xiao L. Hemisphere lateralization of graph theoretical network in end-stage knee osteoarthritis patients. Brain Res Bull 2024; 213:110976. [PMID: 38750971 DOI: 10.1016/j.brainresbull.2024.110976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 04/09/2024] [Accepted: 05/08/2024] [Indexed: 05/18/2024]
Abstract
Hemisphere functional lateralization is a prominent feature of the human brain. However, it is not known whether hemispheric lateralization features are altered in end-stage knee osteoarthritis (esKOA). In this study, we performed resting-state functional magnetic imaging on 46 esKOA patients and 31 healthy controls (HCs) and compared with the global and inter-hemisphere network to clarify the hemispheric functional network lateralization characteristics of patients. A correlation analysis was performed to explore the relationship between the inter-hemispheric network parameters and clinical features of patients. The node attributes were analyzed to explore the factors changing in the hemisphere network function lateralization in patients. We found that patients and HCs exhibited "small-world" brain network topology. Clustering coefficient increased in patients compared with that in HCs. The hemisphere difference in inter-hemispheric parameters including assortativity, global efficiency, local efficiency, clustering coefficients, small-worldness, and shortest path length. The pain course and intensity of esKOA were positively correlated with the right hemispheric lateralization in local efficiency, clustering coefficients, and the small-worldness, respectively. The significant alterations of several nodal properties were demonstrated within group in pain-cognition, pain-emotion, and pain regulation circuits. The abnormal lateralization inter-hemisphere network may be caused by the destruction of regional network properties.
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Affiliation(s)
- Bingxin Kang
- Rehabilitation Treatment Centre, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Jie Ma
- Center of Rehabilitation Medicine, Shanghai University of Traditional Chinese Medicine Yueyang Hospital of Integrated Traditional Chinese Medicine and Western Medicine, Shanghai, China
| | - Jun Shen
- Shanghai Guanghua Hospital of Integrative Chinese and Western Medicine, Shanghai, China
| | - Chi Zhao
- Acupuncture Tuina Institute, Henan University of Chinese Medicine, Zhengzhou, China
| | - Xuyun Hua
- Center of Rehabilitation Medicine, Shanghai University of Traditional Chinese Medicine Yueyang Hospital of Integrated Traditional Chinese Medicine and Western Medicine, Shanghai, China
| | - Guowei Qiu
- Shanghai Guanghua Hospital of Integrative Chinese and Western Medicine, Shanghai, China
| | - Xinyu A
- Shanghai Guanghua Hospital of Integrative Chinese and Western Medicine, Shanghai, China
| | - Hui Xu
- Acupuncture Tuina Institute, Henan University of Chinese Medicine, Zhengzhou, China
| | - Jianguang Xu
- Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Lianbo Xiao
- Shanghai Guanghua Hospital of Integrative Chinese and Western Medicine, No. 540 Xinhua Road, Shanghai 200052, China.
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23
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Liu J, Liu Y, Wu L. Exploring the dynamics of prefrontal cortex in the interaction between orienteering experience and cognitive performance by fNIRS. Sci Rep 2024; 14:14918. [PMID: 38942820 PMCID: PMC11213913 DOI: 10.1038/s41598-024-65747-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 06/24/2024] [Indexed: 06/30/2024] Open
Abstract
Sporting experience plays a pivotal role in shaping exercise habits, with a mutually reinforcing relationship that enhances cognitive performance. The acknowledged plasticity of cognition driven by sports necessitates a comprehensive examination. Hence, this study delves into the dynamic intricacies of the prefrontal cortex, exploring the impact of orienteering experience on cognitive performance. Our findings contribute empirical evidence regarding the functional activation of specific brain regions bridging the nexus between experiential factors and cognitive capabilities. In this cross-sectional study, a cohort of forty-nine athletes was enrolled to meticulously examine behavioral variances and prefrontal cortex dynamics among orienteering athletes of varying experience levels across diverse non-specialized scenarios. These investigations involved the utilization of functional near-infrared spectroscopy (fNIRS) to detect alterations in oxygenated hemoglobin (HbO2). The high-experience expert group exhibited neurological efficiency, demonstrating significantly diminished brain activation in the dorsolateral prefrontal, left ventral lateral prefrontal, and right orbitofrontal regions compared to the low-experience group. Within the low-experience novice group, superior performance in the spatial memory task was observed compared to the mental rotation task, with consistently lower reaction times across all conditions compared to the high-experience group. Notably, cerebral blood oxygenation activation exhibited a significant reduction in the high-experience expert group compared to the low-experience novice group, irrespective of task type. The dorsolateral prefrontal lobe exhibited activation upon task onset, irrespective of experience level. Correct rates in the spatial memory task were consistently higher than those in the mental rotation task, while brain region activation was significantly greater during the mental rotation task than the spatial memory task." This study elucidates disparities in prefrontal cortex dynamics between highly seasoned experts and neophyte novices, showcasing a cognitive edge within the highly experienced cohort and a spatial memory advantage in the inexperienced group. Our findings contribute to the comprehension of the neural mechanisms that underlie the observed cognitive advantage and provide insights into the forebrain resources mobilized by orienteering experience during spatial cognitive tasks."
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Affiliation(s)
- Jingru Liu
- Department of Physical Education, Xi'an University of Posts and Telecommunications, Xi'an, 710199, Shaanxi, China
| | - Yang Liu
- School of Physical Education, Shaanxi Normal University, Xi'an, 710121, Shaanxi, China.
| | - Linzhen Wu
- Department of Physical Education, Xi'an University of Posts and Telecommunications, Xi'an, 710199, Shaanxi, China
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24
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Lee SA, Lee JJ, Han J, Choi M, Wager TD, Woo CW. Brain representations of affective valence and intensity in sustained pleasure and pain. Proc Natl Acad Sci U S A 2024; 121:e2310433121. [PMID: 38857402 PMCID: PMC11194486 DOI: 10.1073/pnas.2310433121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 04/18/2024] [Indexed: 06/12/2024] Open
Abstract
Pleasure and pain are two fundamental, intertwined aspects of human emotions. Pleasurable sensations can reduce subjective feelings of pain and vice versa, and we often perceive the termination of pain as pleasant and the absence of pleasure as unpleasant. This implies the existence of brain systems that integrate them into modality-general representations of affective experiences. Here, we examined representations of affective valence and intensity in an functional MRI (fMRI) study (n = 58) of sustained pleasure and pain. We found that the distinct subpopulations of voxels within the ventromedial and lateral prefrontal cortices, the orbitofrontal cortex, the anterior insula, and the amygdala were involved in decoding affective valence versus intensity. Affective valence and intensity predictive models showed significant decoding performance in an independent test dataset (n = 62). These models were differentially connected to distinct large-scale brain networks-the intensity model to the ventral attention network and the valence model to the limbic and default mode networks. Overall, this study identified the brain representations of affective valence and intensity across pleasure and pain, promoting a systems-level understanding of human affective experiences.
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Affiliation(s)
- Soo Ahn Lee
- Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon16419, Republic of Korea
- Department of Biomedical Engineering, Sungkyunkwan University, Suwon16419, Republic of Korea
- Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon16419, Republic of Korea
| | - Jae-Joong Lee
- Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon16419, Republic of Korea
| | - Jisoo Han
- Korea Brain Research Institute, Daegu41062, Republic of Korea
| | - Myunghwan Choi
- Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon16419, Republic of Korea
- School of Biological Sciences, Seoul National University, Seoul08826, Republic of Korea
| | - Tor D. Wager
- Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH03755
| | - Choong-Wan Woo
- Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon16419, Republic of Korea
- Department of Biomedical Engineering, Sungkyunkwan University, Suwon16419, Republic of Korea
- Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon16419, Republic of Korea
- Life-inspired Neural Network for Prediction and Optimization Research Group, Suwon16419, Republic of Korea
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25
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Zou J, Hao S. Exercise-induced neuroplasticity: a new perspective on rehabilitation for chronic low back pain. Front Mol Neurosci 2024; 17:1407445. [PMID: 38912176 PMCID: PMC11191426 DOI: 10.3389/fnmol.2024.1407445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 05/20/2024] [Indexed: 06/25/2024] Open
Abstract
Chronic low back pain patients often experience recurrent episodes due to various peripheral and central factors, leading to physical and mental impairments, affecting their daily life and work, and increasing the healthcare burden. With the continuous advancement of neuropathological research, changes in brain structure and function in chronic low back pain patients have been revealed. Neuroplasticity is an important mechanism of self-regulation in the brain and plays a key role in neural injury repair. Targeting neuroplasticity and regulating the central nervous system to improve functional impairments has become a research focus in rehabilitation medicine. Recent studies have shown that exercise can have beneficial effects on the body, such as improving cognition, combating depression, and enhancing athletic performance. Exercise-induced neuroplasticity may be a potential mechanism through which exercise affects the brain. This article systematically introduces the theory of exercise-induced neuroplasticity, explores the central effects mechanism of exercise on patients with chronic low back pain, and further looks forward to new directions in targeted neuroplasticity-based rehabilitation treatment for chronic low back pain.
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Affiliation(s)
- Jianpeng Zou
- Department of Rehabilitation and Physiotherapy, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Shijie Hao
- College of Rehabilitation Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
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26
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Murillo C, López-Sola M, Cagnie B, Suñol M, Smeets RJEM, Coppieters I, Cnockaert E, Meeus M, Timmers I. Gray Matter Adaptations to Chronic Pain in People with Whiplash-Associated Disorders are Partially Reversed After Treatment: A Voxel-based Morphometry Study. THE JOURNAL OF PAIN 2024; 25:104471. [PMID: 38232862 DOI: 10.1016/j.jpain.2024.01.336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 12/04/2023] [Accepted: 01/08/2024] [Indexed: 01/19/2024]
Abstract
Gray matter (GM) changes are often observed in people with chronic spinal pain, including those with chronic whiplash-associated disorders (CWAD). These GM adaptations may be reversed with treatment, at least partially. Pain neuroscience education combined with exercise (PNE+Exercise) is an effective treatment, but its neural underlying mechanisms still remain unexplored in CWAD. Here, we performed both cross-sectional and longitudinal voxel-based morphometry to 1) identify potential GM alterations in people with CWAD (n = 63) compared to age- and sex-matched pain-free controls (n = 32), and 2) determine whether these GM alterations might be reversed following PNE+Exercise (compared to conventional physiotherapy). The cross-sectional whole-brain analysis revealed that individuals with CWAD had less GM volume in the right and left dorsolateral prefrontal cortex and left inferior temporal gyrus which was, in turn, associated with higher pain vigilance. Fifty individuals with CWAD and 29 pain-free controls were retained in the longitudinal analysis. GM in the right dorsolateral prefrontal cortex increased after treatment in people with CWAD. Moreover, the longitudinal whole-brain analysis revealed that individuals with CWAD had decreases in GM volumes of the left and right central operculum and supramarginal after treatment. These changes were not specific to treatment modality and some were not observed in pain-free controls over time. Herewith, we provide the first evidence on how GM adaptations to CWAD respond to treatment. PERSPECTIVE: This article presents which gray matter adaptations are present in people with chronic pain after whiplash injuries. Then, we examine the treatment effect on these alterations as well as whether other neuroplastic effects on GM following treatment occur.
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Affiliation(s)
- Carlos Murillo
- Department of Rehabilitation Sciences, Faculty of Health Sciences and Medicine, Ghent University, Belgium
| | - Marina López-Sola
- Department of Medicine, School of Medicine and Health Sciences, University of Barcelona, Spain
| | - Barbara Cagnie
- Department of Rehabilitation Sciences, Faculty of Health Sciences and Medicine, Ghent University, Belgium
| | - María Suñol
- Department of Medicine, School of Medicine and Health Sciences, University of Barcelona, Spain
| | - Rob J E M Smeets
- Department of Rehabilitation Medicine, Faculty of Health, Medicine and Life Science, Maastricht University, the Netherlands
| | - Iris Coppieters
- Laboratory for Brain-Gut Axis Studies (LaBGAS), Department of chronic diseases and metabolism, Faculty of Medicine, KU Leuven, Belgium; Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
| | - Elise Cnockaert
- Department of Rehabilitation Sciences, Faculty of Health Sciences and Medicine, Ghent University, Belgium
| | - Mira Meeus
- Department of Rehabilitation Sciences, Faculty of Health Sciences and Medicine, Ghent University, Belgium; MOVANT research group, Department of Rehabilitation Sciences and Physiotherapy, Faculty of Health Sciences and Medicine, University of Antwerp, Belgium
| | - Inge Timmers
- Department of Rehabilitation Sciences, Faculty of Health Sciences and Medicine, Ghent University, Belgium; Department of Rehabilitation Medicine, Faculty of Health, Medicine and Life Science, Maastricht University, the Netherlands; Department of Medical and Clinical Psychology, Tilburg University, the Netherlands
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27
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Wei X, Lai Y, Lan X, Tan Y, Zhang J, Liu J, Chen J, Wang C, Zhou X, Tang Y, Liu D, Zhang J. Uncovering brain functional connectivity disruption patterns of lung cancer-related pain. Brain Imaging Behav 2024; 18:576-587. [PMID: 38316730 DOI: 10.1007/s11682-023-00836-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/01/2023] [Indexed: 02/07/2024]
Abstract
Pain is a pervasive symptom in lung cancer patients during the onset of the disease. This study aims to investigate the connectivity disruption patterns of the whole-brain functional network in lung cancer patients with cancer pain (CP+). We constructed individual whole-brain, region of interest (ROI)-level functional connectivity (FC) networks for 50 CP+ patients, 34 lung cancer patients without pain-related complaints (CP-), and 31 matched healthy controls (HC). Then, a ROI-based FC analysis was used to determine the disruptions of FC among the three groups. The relationships between aberrant FCs and clinical parameters were also characterized. The ROI-based FC analysis demonstrated that hypo-connectivity was present both in CP+ and CP- patients compared to HC, which were particularly clustered in the somatomotor and ventral attention, frontoparietal control, and default mode modules. Notably, compared to CP- patients, CP+ patients had hyper-connectivity in several brain regions mainly distributed in the somatomotor and visual modules, suggesting these abnormal FC patterns may be significant for cancer pain. Moreover, CP+ patients also showed increased intramodular and intermodular connectivity strength of the functional network, which could be replicated in cancer stage IV and lung adenocarcinoma. Finally, abnormal FCs within the prefrontal cortex and somatomotor cortex were positively correlated with pain intensity and pain duration, respectively. These findings suggested that lung cancer patients with cancer pain had disrupted connectivity in the intrinsic brain functional network, which may be the underlying neuroimaging mechanisms.
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Affiliation(s)
- Xiaotong Wei
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China
| | - Yong Lai
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China
| | - Xiaosong Lan
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China
| | - Yong Tan
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China
| | - Jing Zhang
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China
| | - Jiang Liu
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China
| | - Jiao Chen
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China
| | - Chengfang Wang
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China
| | - Xiaoyu Zhou
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China
| | - Yu Tang
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China
| | - Daihong Liu
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China.
| | - Jiuquan Zhang
- Department of Radiology, Chongqing University Cancer Hospital, School of Medicine, Chongqing University, Hanyu Road No. 181, Shapingba District, Chongqing, 400030, China.
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Poublan-Couzardot A, Talmi D. Pain perception as hierarchical Bayesian inference: A test case for the theory of constructed emotion. Ann N Y Acad Sci 2024; 1536:42-59. [PMID: 38837401 DOI: 10.1111/nyas.15141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
An intriguing perspective about human emotion, the theory of constructed emotion considers emotions as generative models according to the Bayesian brain hypothesis. This theory brings fresh insight to existing findings, but its complexity renders it challenging to test experimentally. We argue that laboratory studies of pain could support the theory because although some may not consider pain to be a genuine emotion, the theory must at minimum be able to explain pain perception and its dysfunction in pathology. We review emerging evidence that bear on this question. We cover behavioral and neural laboratory findings, computational models, placebo hyperalgesia, and chronic pain. We conclude that there is substantial evidence for a predictive processing account of painful experience, paving the way for a better understanding of neuronal and computational mechanisms of other emotions.
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Affiliation(s)
- Arnaud Poublan-Couzardot
- Université Claude Bernard Lyon 1, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL, Bron, France
| | - Deborah Talmi
- Department of Psychology, University of Cambridge, Cambridge, UK
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Little MW, O'Grady A, Briggs J, Gibson M, Speirs A, Al-Rekabi A, Yoong P, Ariyanayagam T, Davies N, Tayton E, Tavares S, MacGill S, McLaren C, Harrison R. Genicular Artery embolisation in Patients with Osteoarthritis of the Knee (GENESIS) Using Permanent Microspheres: Long-Term Results. Cardiovasc Intervent Radiol 2024:10.1007/s00270-024-03752-7. [PMID: 38819473 DOI: 10.1007/s00270-024-03752-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Accepted: 04/30/2024] [Indexed: 06/01/2024]
Abstract
PURPOSE To report the 2-year follow-up of patients with mild-to-moderate knee osteoarthritis (OA) treated with genicular artery embolisation (GAE) as part of the GENESIS study. MATERIALS AND METHODS Forty-six patients, median age = 60 (45-83) underwent GAE using permanent microspheres (100-300 μm). Technical success was defined as embolisation of the targeted genicular arteries. Knee Injury and Osteoarthritis Outcome Score (KOOS) and Visual Analogue Scale (VAS) (0-100 mm) were recorded at baseline, 6 weeks, 3 months, 1, 2 years. Contrast-enhanced MRI knee scans were acquired at baseline and 1 year, and evaluated with the Whole-Organ Magnetic Resonance Imaging Score (WORMS). Functional MRI brain imaging and psychometric assessments were undertaken to investigate correlation between neuropsychological phenotypes and clinical outcome. Adverse events were recorded prospectively. RESULTS Technical success was achieved in forty patients (87%). Mean VAS improved from 58.63 (SD = 20.57, 95% CI 52.7-65.5) at baselines to 37.7 at 2-years (SD = 26.3, 95% CI 27.0-47.5). Whole and subgroup KOOS were significantly improved at each timepoint with associated reductions in analgesia usage. WORMS analysis demonstrated significant reduction in synovitis (p < 0.05) with no cases of osteonecrosis. Self-limiting skin discolouration occurred in four patients. A self-limiting groin haematoma and single case of deep-vein thrombosis due to immobilisation were also recorded. Nine patients subsequently underwent knee arthroplasty with no additional operational complexities identified. Neuropsychometric assessment elucidated a correlation between baseline catastrophising and greater reduction in pain post GAE. CONCLUSION GAE is a safe intervention for mild-moderate knee osteoarthritis, with sustained efficacy at 2 years. These results are promising and justify ongoing controlled trials.
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Affiliation(s)
- M W Little
- University Department of Radiology, Royal Berkshire NHS Foundation Trust, Reading, UK.
- School of Psychology and Clinical Language Sciences, University of Reading, Reading, UK.
| | - A O'Grady
- University Department of Radiology, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - J Briggs
- University Department of Radiology, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - M Gibson
- University Department of Radiology, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - A Speirs
- University Department of Radiology, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - A Al-Rekabi
- University Department of Radiology, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - P Yoong
- University Department of Radiology, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - T Ariyanayagam
- University Department of Radiology, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - N Davies
- Department of Orthopaedics, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - E Tayton
- Department of Orthopaedics, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - S Tavares
- Department of Orthopaedics, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - S MacGill
- University Department of Radiology, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - C McLaren
- University Department of Radiology, Royal Berkshire NHS Foundation Trust, Reading, UK
| | - R Harrison
- School of Psychology and Clinical Language Sciences, University of Reading, Reading, UK
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Kummer K, Sheets PL. Targeting Prefrontal Cortex Dysfunction in Pain. J Pharmacol Exp Ther 2024; 389:268-276. [PMID: 38702195 PMCID: PMC11125798 DOI: 10.1124/jpet.123.002046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 03/12/2024] [Accepted: 04/02/2024] [Indexed: 05/06/2024] Open
Abstract
The prefrontal cortex (PFC) has justifiably become a significant focus of chronic pain research. Collectively, decades of rodent and human research have provided strong rationale for studying the dysfunction of the PFC as a contributing factor in the development and persistence of chronic pain and as a key supraspinal mechanism for pain-induced comorbidities such as anxiety, depression, and cognitive decline. Chronic pain alters the structure, chemistry, and connectivity of PFC in both humans and rodents. In this review, we broadly summarize the complexities of reported changes within both rodent and human PFC caused by pain and offer insight into potential pharmacological and nonpharmacological approaches for targeting PFC to treat chronic pain and pain-associated comorbidities. SIGNIFICANCE STATEMENT: Chronic pain is a significant unresolved medical problem causing detrimental changes to physiological, psychological, and behavioral aspects of life. Drawbacks of currently approved pain therapeutics include incomplete efficacy and potential for abuse producing a critical need for novel approaches to treat pain and comorbid disorders. This review provides insight into how manipulation of prefrontal cortex circuits could address this unmet need of more efficacious and safer pain therapeutics.
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Affiliation(s)
- Kai Kummer
- Institute of Physiology, Medical University of Innsbruck, Innsbruck, Austria (K.K.); Department of Pharmacology and Toxicology (P.L.S.), Medical Neurosciences Graduate Program (P.L.S.), and Stark Neurosciences Research Institute (P.L.S.), Indiana University School of Medicine, Indianapolis, Indiana
| | - Patrick L Sheets
- Institute of Physiology, Medical University of Innsbruck, Innsbruck, Austria (K.K.); Department of Pharmacology and Toxicology (P.L.S.), Medical Neurosciences Graduate Program (P.L.S.), and Stark Neurosciences Research Institute (P.L.S.), Indiana University School of Medicine, Indianapolis, Indiana
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31
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Weizman L, Sharon H, Dayan L, Espaniol J, Brill S, Nahman-Averbuch H, Hendler T, Jacob G. Oral Delta-9-Tetrahydrocannabinol (THC) Increases Parasympathetic Activity and Supraspinal Conditioned Pain Modulation in Chronic Neuropathic Pain Male Patients: A Crossover, Double-Blind, Placebo-Controlled Trial. CNS Drugs 2024; 38:375-385. [PMID: 38597988 PMCID: PMC11026292 DOI: 10.1007/s40263-024-01085-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/11/2024] [Indexed: 04/11/2024]
Abstract
BACKGROUND Disordered autonomic nervous system regulation and supraspinal pain inhibition have been repeatedly described in chronic pain. We aimed to explore the effects of δ-9-tetrahydrocannabinol (THC), an emerging treatment option, on autonomic nervous system and central pain modulation measures in patients with chronic pain. METHODS Twelve male patients with chronic radicular neuropathic pain participated in a randomized, double-blind, crossover, placebo-controlled, single-administration trial. Low/high frequency (LF/HF) heart rate variability (HRV) ratio and conditioned pain modulation (CPM) response were measured and resting-state functional magnetic resonance imaging (MRI) was performed at baseline and after sublingual administration of either 0.2 mg/kg oral THC or placebo. RESULTS THC significantly reduced the LF/HF ratio compared with placebo (interaction effect F(1,11) = 20.5; p < 0.005) and significantly improved CPM responses (interaction effect F(1,9) = 5.2; p = 0.048). The THC-induced reduction in LF/HF ratio correlated with increased functional connectivity between the rostral ventrolateral medulla and the dorsolateral prefrontal cortex [T(10) = 6.4, cluster p-FDR < 0.005]. CONCLUSIONS THC shifts the autonomic balance towards increased parasympathetic tone and improves inhibitory pain mechanisms in chronic pain. The increase in vagal tone correlates with connectivity changes in higher-order regulatory brain regions, suggesting THC exerts top-down effects. These changes may reflect a normalizing effect of THC on multiple domains of supraspinal pain dysregulation. CLINICAL TRIAL REGISTRY NUMBER NCT02560545.
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Affiliation(s)
- Libat Weizman
- Sagol Brain Institute, Wohl Institute for Advanced Imaging, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Haggai Sharon
- Sagol Brain Institute, Wohl Institute for Advanced Imaging, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
- School of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Anesthesiology and Critical Care Medicine, Institute of Pain Medicine, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Lior Dayan
- Department of Anesthesiology and Critical Care Medicine, Institute of Pain Medicine, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Joumana Espaniol
- Department of Internal Medicine F, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
- Recanati Autonomic Dysfunction Center, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Silviu Brill
- Department of Anesthesiology and Critical Care Medicine, Institute of Pain Medicine, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Hadas Nahman-Averbuch
- Division of Clinical and Translational Research, Department of Anesthesiology, Washington University Pain Center, Washington University in St Louis School of Medicine, St Louis, MO, USA
| | - Talma Hendler
- Sagol Brain Institute, Wohl Institute for Advanced Imaging, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
- School of Medicine, Tel Aviv University, Tel Aviv, Israel
- School of Psychological Sciences, Tel Aviv University, Tel-Aviv, Israel
| | - Giris Jacob
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel.
- School of Medicine, Tel Aviv University, Tel Aviv, Israel.
- Department of Internal Medicine F, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.
- Recanati Autonomic Dysfunction Center, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel.
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32
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McDonald KM, Schantell M, Horne LK, John JA, Rempe MP, Glesinger R, Okelberry HJ, Coutant AT, Springer SD, Mansouri A, Embury CM, Arif Y, Wilson TW. The neural oscillations serving task switching are altered in cannabis users. J Psychopharmacol 2024; 38:471-480. [PMID: 38418434 PMCID: PMC11488983 DOI: 10.1177/02698811241235204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/01/2024]
Abstract
BACKGROUND Regular cannabis is known to impact higher-order cognitive processes such as attention, but far less is known regarding cognitive flexibility, a component of executive function. Moreover, whether such changes are related to aberrations in the neural oscillatory dynamics serving flexibility remains poorly understood. AIMS Quantify the neural oscillatory dynamics serving cognitive flexibility by having participants complete a task-switching paradigm during magnetoencephalography (MEG). Probe whole-brain maps to identify alterations in chronic cannabis users relative to nonusers and determine how these alterations relate to the degree of cannabis use involvement. METHODS In all, 25 chronic cannabis users and 30 demographically matched nonuser controls completed neuropsychological testing, an interview regarding their substance use, a urinalysis, and a task switch paradigm during MEG. Time-frequency windows of interest were identified using a data-driven statistical approach and these were imaged using a beamformer. Whole-brain neural switch cost maps were computed by subtracting the oscillatory maps of the no-switch condition from the switch condition per participant. These were examined for group differences. RESULTS Cannabis users had weaker theta switch cost responses in the dorsolateral and dorsomedial prefrontal cortices, while nonusers showed the typical pattern of greater recruitment during switch relative to no switch trials. In addition, theta activity in the dorsomedial prefrontal cortex was significantly correlated with cannabis use involvement. CONCLUSIONS Cannabis users exhibited altered theta switch cost activity compared to nonusers in prefrontal cortical regions, which are critical for cognitive flexibility. This activity scaled with cannabis use involvement, indicating a link between cannabis use and aberrant oscillatory activity underlying cognitive flexibility.
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Affiliation(s)
- Kellen M McDonald
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
- Department of Pharmacology and Neuroscience, Creighton University, Omaha, NE, USA
| | - Mikki Schantell
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
- College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA
| | - Lucy K Horne
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
| | - Jason A John
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
| | - Maggie P Rempe
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
- College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA
| | - Ryan Glesinger
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
| | - Hannah J Okelberry
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
| | - Anna T Coutant
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
| | - Seth D Springer
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
- College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA
| | - Amirsalar Mansouri
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
| | - Christine M Embury
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
| | - Yasra Arif
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
| | - Tony W Wilson
- Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA
- Department of Pharmacology and Neuroscience, Creighton University, Omaha, NE, USA
- College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA
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Li CN, Keay KA, Henderson LA, Mychasiuk R. Re-examining the Mysterious Role of the Cerebellum in Pain. J Neurosci 2024; 44:e1538232024. [PMID: 38658164 PMCID: PMC11044115 DOI: 10.1523/jneurosci.1538-23.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 03/06/2024] [Accepted: 03/06/2024] [Indexed: 04/26/2024] Open
Abstract
Pain is considered a multidimensional experience that embodies not merely sensation, but also emotion and perception. As is appropriate for this complexity, pain is represented and processed by an extensive matrix of cortical and subcortical structures. Of these structures, the cerebellum is gaining increasing attention. Although association between the cerebellum and both acute and chronic pain have been extensively detailed in electrophysiological and neuroimaging studies, a deep understanding of what functions are mediated by these associations is lacking. Nevertheless, the available evidence implies that lobules IV-VI and Crus I are especially pertinent to pain processing, and anatomical studies reveal that these regions connect with higher-order structures of sensorimotor, emotional, and cognitive function. Therefore, we speculate that the cerebellum exerts a modulatory role in pain via its communication with sites of sensorimotor, executive, reward, and limbic function. On this basis, in this review, we propose numerous ways in which the cerebellum might contribute to both acute and chronic pain, drawing particular attention to emotional and cognitive elements of pain. In addition, we emphasise the importance of advancing our knowledge about the relationship between the cerebellum and pain by discussing novel therapeutic opportunities that capitalize on this association.
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Affiliation(s)
- Crystal N Li
- Department of Neuroscience, School of Translational Medicine, Monash University, Melbourne, VIC 3004, Australia
| | - Kevin A Keay
- School of Medical Sciences (Neuroscience) and Brain and Mind Centre, University of Sydney, NSW 2006, Australia
| | - Luke A Henderson
- School of Medical Sciences (Neuroscience) and Brain and Mind Centre, University of Sydney, NSW 2006, Australia
| | - Richelle Mychasiuk
- Department of Neuroscience, School of Translational Medicine, Monash University, Melbourne, VIC 3004, Australia
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34
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Benuzzi F, Müllner-Huber A, Porro CA, Lui F. Editorial: The brain in pain: a multidimensional approach. Front Psychol 2024; 15:1401784. [PMID: 38694430 PMCID: PMC11061528 DOI: 10.3389/fpsyg.2024.1401784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Accepted: 03/25/2024] [Indexed: 05/04/2024] Open
Affiliation(s)
- Francesca Benuzzi
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Alexa Müllner-Huber
- Psychology of Ageing Research Unit, Department of Developmental and Educational Psychology, University of Vienna, Vienna, Austria
- Social, Cognitive and Affective Neuroscience Unit (SCAN-Unit), Department of Cognition, Emotion, and Methods in Psychology, University of Vienna, Vienna, Austria
| | - Carlo Adolfo Porro
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Fausta Lui
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
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De Martino E, Casali A, Casarotto S, Hassan G, Couto BA, Rosanova M, Graven‐Nielsen T, de Andrade DC. Evoked oscillatory cortical activity during acute pain: Probing brain in pain by transcranial magnetic stimulation combined with electroencephalogram. Hum Brain Mapp 2024; 45:e26679. [PMID: 38647038 PMCID: PMC11034005 DOI: 10.1002/hbm.26679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 02/26/2024] [Accepted: 03/26/2024] [Indexed: 04/25/2024] Open
Abstract
Temporal dynamics of local cortical rhythms during acute pain remain largely unknown. The current study used a novel approach based on transcranial magnetic stimulation combined with electroencephalogram (TMS-EEG) to investigate evoked-oscillatory cortical activity during acute pain. Motor (M1) and dorsolateral prefrontal cortex (DLPFC) were probed by TMS, respectively, to record oscillatory power (event-related spectral perturbation and relative spectral power) and phase synchronization (inter-trial coherence) by 63 EEG channels during experimentally induced acute heat pain in 24 healthy participants. TMS-EEG was recorded before, during, and after noxious heat (acute pain condition) and non-noxious warm (Control condition), delivered in a randomized sequence. The main frequency bands (α, β1, and β2) of TMS-evoked potentials after M1 and DLPFC stimulation were recorded close to the TMS coil and remotely. Cold and heat pain thresholds were measured before TMS-EEG. Over M1, acute pain decreased α-band oscillatory power locally and α-band phase synchronization remotely in parietal-occipital clusters compared with non-noxious warm (all p < .05). The remote (parietal-occipital) decrease in α-band phase synchronization during acute pain correlated with the cold (p = .001) and heat pain thresholds (p = .023) and to local (M1) α-band oscillatory power decrease (p = .024). Over DLPFC, acute pain only decreased β1-band power locally compared with non-noxious warm (p = .015). Thus, evoked-oscillatory cortical activity to M1 stimulation is reduced by acute pain in central and parietal-occipital regions and correlated with pain sensitivity, in contrast to DLPFC, which had only local effects. This finding expands the significance of α and β band oscillations and may have relevance for pain therapies.
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Affiliation(s)
- Enrico De Martino
- Center for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, Faculty of MedicineAalborg UniversityAalborgDenmark
| | - Adenauer Casali
- Institute of Science and TechnologyFederal University of São PauloSão PauloBrazil
| | - Silvia Casarotto
- Department of Biomedical and Clinical SciencesUniversity of MilanMilanItaly
- IRCCS Fondazione Don Carlo GnocchiMilanItaly
| | - Gabriel Hassan
- Department of Biomedical and Clinical SciencesUniversity of MilanMilanItaly
| | - Bruno Andry Couto
- Institute of Science and TechnologyFederal University of São PauloSão PauloBrazil
| | - Mario Rosanova
- Department of Biomedical and Clinical SciencesUniversity of MilanMilanItaly
| | - Thomas Graven‐Nielsen
- Center for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, Faculty of MedicineAalborg UniversityAalborgDenmark
| | - Daniel Ciampi de Andrade
- Center for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, Faculty of MedicineAalborg UniversityAalborgDenmark
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36
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Jin P, Wang F, Zeng F, Yu J, Cui F, Yang B, Zhang L. Revealing the mechanism of central pain hypersensitivity in primary dysmenorrhea: evidence from neuroimaging. Quant Imaging Med Surg 2024; 14:3075-3085. [PMID: 38617141 PMCID: PMC11007516 DOI: 10.21037/qims-23-1687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 02/29/2024] [Indexed: 04/16/2024]
Abstract
Background Primary dysmenorrhea (PDM) is the most common problem in menstruating women. A number of functional magnetic resonance imaging (fMRI) study have revealed that the brain plays a crucial role in the pathophysiology of PDM. However, these results have been inconsistent, and there is a lack of a comprehensive fMRI study to clarify the onset and long-term effects of PDM. The aim of this study was thus to investigate the onset and long-term effects of PDM in a cohort of patients with PDM. Methods This study employed a cross-sectional design with prospective data collection, in which 25 patients with PDM and 20 healthy controls (HCs) were recruited. The patients with PDM underwent fMRI scans both during the PDM during the pain phase (PDM-P) and nonpain phase (PDM-NP). The long-term effects of PDM on the brain was assessed by comparing PDM-NP findings with those of HCs, and the central mechanism of PDM was assessed by comparing the PDM-P findings with those of PDM-NP. To identify changes in brain function, the amplitude of low-frequency fluctuations and the regional homogeneity (ReHo) were measured. To assess changes in brain structure, voxel-based morphometry (VBM) was applied. The periaqueductal gray (PAG) was set as a region of for conducting seed-based whole-brain functional connectivity (FC) analysis. Subsequently, Pearson correlation analyses were employed to evaluate the associations between the abnormal brain region and the clinical information of the patients. Results There were neither functional nor structural differences between patients in the PDM-NP and HCs. Compared with those in PDM-NP, those in PDM-P showed increased ReHo in the left dorsolateral prefrontal cortex (DLPFC) but decreased FC between PAG and right superior parietal gyrus, bilateral inferior parietal gyrus, right calcarine gyrus, left superior occipital gyrus, left precentral gyrus, right DLPFC, and left crus I of the cerebellar hemisphere. Conclusions The results from this study suggest that the mechanism of central pain hypersensitivity of PDM may be related to the disorder of the FC between the PAG and descending pain modulation system, default mode network (DMN), and occipital lobe. These findings could help us better understand the pathophysiology of PDM from a neuroimaging perspective.
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Affiliation(s)
- Ping Jin
- Department of Radiology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, China
| | - Fangli Wang
- Department of Acupuncture and Moxibustion, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, China
| | - Fanfan Zeng
- Department of Ultrasound, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, China
| | - Jing Yu
- Department of Acupuncture and Moxibustion, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, China
| | - Feng Cui
- Department of Radiology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, China
| | - Bingkui Yang
- Department of Radiology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, China
| | - Luping Zhang
- Department of Radiology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, China
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Stephens E, Dhanasekara CS, Montalvan V, Zhang B, Bassett A, Hall R, Rodaniche A, Robohm-Leavitt C, Shen CL, Kahatuduwa CN. Utility of Repetitive Transcranial Magnetic Stimulation for Chronic Daily Headache Prophylaxis: A Systematic Review and Meta-Analysis. Curr Pain Headache Rep 2024; 28:149-167. [PMID: 38277066 DOI: 10.1007/s11916-024-01210-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/08/2024] [Indexed: 01/27/2024]
Abstract
PURPOSE OF REVIEW Management of chronic daily headaches (CDH) remains challenging due to the limited efficacy of standard prophylactic pharmacological measures. Several studies have reported that repetitive transcranial magnetic stimulation (rTMS) can effectively treat chronic headaches. The objective was to determine the utility of rTMS for immediate post-treatment and sustained CDH prophylaxis. RECENT FINDINGS All procedures were conducted per PRISMA guidelines. PubMed, Scopus, Web of Science, and ProQuest databases were searched for controlled clinical trials that have tested the efficacy of rTMS on populations with CDH. DerSimonian-Laird random-effects meta-analyses were performed using the 'meta' package in R to examine the post- vs. pre-rTMS changes in standardized headache intensity and frequency compared to sham-control conditions. Thirteen trials were included with a combined study population of N = 538 patients with CDH (rTMS, N = 284; Sham, N = 254). Patients exposed to rTMS had significantly reduced standardized CDH intensity and frequency in the immediate post-treatment period (Hedges' g = -1.16 [-1.89, -0.43], p = 0.002 and Δ = -5.07 [-10.05, -0.11], p = 0.045 respectively). However, these effects were sustained marginally in the follow-up period (Hedges' g = -0.43 [-0.76, -0.09], p = 0.012 and Δ = -3.33 [-5.52, -1.14], p = 0.003). Significant between-study heterogeneity was observed, at least partially driven by variations in rTMS protocols. Despite the observed clinically meaningful and statistically significant benefits in the immediate post-treatment period, the prophylactic effects of rTMS on CDH do not seem to sustain with discontinuation. Thus, the cost-effectiveness of the routine use of rTMS for CDH prophylaxis remains questionable. REGISTRATION Protocol preregistered in PROSPERO International Prospective Register of Systematic Reviews (CRD42021250100).
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Affiliation(s)
- Emily Stephens
- School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Chathurika S Dhanasekara
- Department of Surgery, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Victor Montalvan
- Department of Neurology, School of Medicine, Texas Tech University Health Sciences Center, 3601 4th Street, Lubbock, TX, 79430, USA
- Department of Neurology, Division of Vascular Neurology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Bei Zhang
- Division of Physical Medicine and Rehabilitation, Department of Neurology, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Ashley Bassett
- Department of Laboratory Science and Primary Care, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Rebecca Hall
- Department of Laboratory Science and Primary Care, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Alyssa Rodaniche
- Department of Laboratory Science and Primary Care, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Christina Robohm-Leavitt
- Department of Laboratory Science and Primary Care, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Chwan-Li Shen
- Department of Pathology, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA
- Center of Excellence for Integrative Health, Texas Tech University Health Sciences Center, Lubbock, TX, USA
- Center of Excellence for Translational Neuroscience and Therapeutics, Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Chanaka N Kahatuduwa
- Department of Neurology, School of Medicine, Texas Tech University Health Sciences Center, 3601 4th Street, Lubbock, TX, 79430, USA.
- Center of Excellence for Integrative Health, Texas Tech University Health Sciences Center, Lubbock, TX, USA.
- Center of Excellence for Translational Neuroscience and Therapeutics, Texas Tech University Health Sciences Center, Lubbock, TX, USA.
- Department of Psychiatry, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, USA.
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Guo Z, Liu X, Yang Z, Huang C, Liu J, Liu L, Xu Y, Liu S, Xu D, Chen J. WITHDRAWN: Association between aberrant brain activity and pain in patients with primary osteoporotic pain: a resting-state fMRI study. Neuroscience 2024:S0306-4522(24)00134-9. [PMID: 38521479 DOI: 10.1016/j.neuroscience.2024.03.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 03/17/2024] [Accepted: 03/18/2024] [Indexed: 03/25/2024]
Affiliation(s)
- Zhijie Guo
- Department of Acupuncture and Rehabilitation, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xue Liu
- Department of Andrology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Zhaoxu Yang
- Department of Andrology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Chihuan Huang
- Department of Acupuncture and Rehabilitation, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Jing Liu
- Department of Acupuncture and Rehabilitation, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Lanying Liu
- Department of Acupuncture and Rehabilitation, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yan Xu
- Department of Andrology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Shaowei Liu
- Department of Radiology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Daoming Xu
- Department of Acupuncture and Rehabilitation, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China.
| | - Jianhuai Chen
- Department of Andrology, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China.
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Kleckner IR, Manuweera T, Lin PJ, Chung KH, Kleckner AS, Gewandter JS, Culakova E, Tivarus ME, Dunne RF, Loh KP, Mohile NA, Kesler SR, Mustian KM. Pilot trial testing the effects of exercise on chemotherapy-induced peripheral neurotoxicity (CIPN) and the interoceptive brain system. RESEARCH SQUARE 2024:rs.3.rs-4022351. [PMID: 38559210 PMCID: PMC10980099 DOI: 10.21203/rs.3.rs-4022351/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Purpose Chemotherapy-induced peripheral neurotoxicity (CIPN) is a prevalent, dose-limiting, tough-to-treat toxicity involving numbness, tingling, and pain in the extremities with enigmatic pathophysiology. This randomized controlled pilot study explored the feasibility and preliminary efficacy of exercise during chemotherapy on CIPN and the role of the interoceptive brain system, which processes bodily sensations. Methods Nineteen patients (65±11 years old, 52% women; cancer type: breast, gastrointestinal, multiple myeloma) starting neurotoxic chemotherapy were randomized to 12 weeks of exercise (home-based, individually tailored, moderate intensity, progressive walking and resistance training) or active control (nutrition education). At pre-, mid-, and post-intervention, we assessed CIPN symptoms (primary clinical outcome: CIPN-20), CIPN signs (tactile sensitivity using monofilaments), and physical function (leg strength). At pre- and post-intervention, we used task-free ("resting") fMRI to assess functional connectivity in the interoceptive brain system, involving the salience and default mode networks. Results The study was feasible (74-89% complete data across measures) and acceptable (95% retention). We observed moderate/large beneficial effects of exercise on CIPN symptoms (CIPN-20, 0-100 scale: -7.9±5.7, effect size [ES]=-0.9 at mid-intervention; -4.8±7.3, -ES=0.5 at post-intervention), CIPN signs (ES=-1.0 and -0.1), and physical function (ES=0.4 and 0.3). Patients with worse CIPN after neurotoxic chemotherapy had lower functional connectivity within the default mode network (R2=40-60%) and higher functional connectivity within the salience network (R2=20-40%). Exercise tended to increase hypoconnectivity and decrease hyperconnectivity seen in CIPN (R2 = 12%). Conclusion Exercise during neurotoxic chemotherapy is feasible and may attenuate CIPN symptoms and signs, perhaps via changes in interoceptive brain circuitry. Future work should test for replication with larger samples. ClinicalTrials.gov identifier NCT03021174.
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Affiliation(s)
| | | | - Po-Ju Lin
- University of Rochester Medical Center
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Manuweera T, Wagenknecht A, Kleckner AS, Dorsey SG, Zhu S, Tivarus ME, Kesler SR, Ciner A, Kleckner IR. Preliminary evaluation of novel Bodily Attention Task to assess the role of the brain in chemotherapy-induced peripheral neurotoxicity (CIPN). Behav Brain Res 2024; 460:114803. [PMID: 38070689 PMCID: PMC10860373 DOI: 10.1016/j.bbr.2023.114803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 11/22/2023] [Accepted: 12/05/2023] [Indexed: 12/21/2023]
Abstract
Chemotherapy-induced peripheral neurotoxicity (CIPN) is a common, sometimes dose-limiting side effect of neurotoxic chemotherapy. Treatment is limited because its pathophysiology is poorly understood. Compared to research on peripheral mechanisms, the role of the brain in CIPN is understudied and it may be important to develop better treatments. We propose a novel task that assesses brain activation associated with attention to bodily sensations (interoception), without the use of painful stimulation, to understand how CIPN symptoms may be processed in the brain. The goals of this preliminary study were to assess, 1) feasibility of the task, 2) sensitivity to changes in brain activity, and 3) suitability for assessing relationships between brain activation and CIPN severity. Eleven participants with varying types of cancer completed a brain fMRI scan and rated CIPN severity (CIPN-20) before and/or 12 weeks after starting neurotoxic chemotherapy. The Bodily Attention Task is a 7.5-min long fMRI task involving attentional focus on the left fingertips, the heart, or a flashing word "target" for visual attention (reference condition). Feasibility was confirmed, as 73% of all data collected were usable and participants reported feeling or focus during 75% of the trials. Regarding brain activity, finger attention increased activation in somatosensory regions (primary sensory cortex, insula) and sensory integration regions (precuneus, dorsolateral prefrontal cortex). Exploratory analyses suggested that brain activation may be associated with CIPN severity. A larger sample size and accounting of confounding factors is needed to test for replication and to identify brain and interoceptive biomarkers to help improve the prediction, prevention, and treatment of CIPN.
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Affiliation(s)
- Thushini Manuweera
- Department of Pain and Translational Symptom Science, University of Maryland School of Nursing, Baltimore, MD, USA.
| | - Amelia Wagenknecht
- Department of Pain and Translational Symptom Science, University of Maryland School of Nursing, Baltimore, MD, USA
| | - Amber S Kleckner
- Department of Pain and Translational Symptom Science, University of Maryland School of Nursing, Baltimore, MD, USA
| | - Susan G Dorsey
- Department of Pain and Translational Symptom Science, University of Maryland School of Nursing, Baltimore, MD, USA
| | - Shijun Zhu
- Department of Pain and Translational Symptom Science, University of Maryland School of Nursing, Baltimore, MD, USA
| | - Madalina E Tivarus
- Department of Imaging Sciences and Department of Neuroscience University of Rochester Medical Center, Rochester, NY, USA
| | - Shelli R Kesler
- Department of Adult Health, School of Nursing, University of Texas at Austin, Austin, TX, USA
| | - Aaron Ciner
- University of Maryland School of Medicine, Baltimore, MD, USA
| | - Ian R Kleckner
- Department of Pain and Translational Symptom Science, University of Maryland School of Nursing, Baltimore, MD, USA
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Golden E, van der Heijden H, Ren B, Randall ET, Drubach LA, Shah N, Cay M, Ebb D, Kaban LB, Peacock ZS, Boyce AM, Mannstadt M, Upadhyay J. Phenotyping Pain in Patients With Fibrous Dysplasia/McCune-Albright Syndrome. J Clin Endocrinol Metab 2024; 109:771-782. [PMID: 37804088 PMCID: PMC11491648 DOI: 10.1210/clinem/dgad589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/30/2023] [Accepted: 10/03/2023] [Indexed: 10/08/2023]
Abstract
CONTEXT Pain is a poorly managed aspect in fibrous dysplasia/McCune-Albright syndrome (FD/MAS) because of uncertainties regarding the clinical, behavioral, and neurobiological underpinnings that contribute to pain in these patients. OBJECTIVE Identify neuropsychological and neurobiological factors associated with pain severity in FD/MAS. DESIGN Prospective, single-site study. PATIENTS Twenty patients with FD/MAS and 16 age-sex matched healthy controls. INTERVENTION Assessments of pain severity, neuropathic pain, pain catastrophizing (pain rumination, magnification, and helplessness), emotional health, and pain sensitivity with thermal quantitative sensory testing. Central nervous system (CNS) properties were measured with diffusion tensor imaging, structural magnetic resonance imaging, and functional magnetic resonance imaging. MAIN OUTCOME MEASURES Questionnaire responses, detection thresholds and tolerances to thermal stimuli, and structural and functional CNS properties. RESULTS Pain severity in patients with FD/MAS was associated with more neuropathic pain quality, higher levels of pain catastrophizing, and depression. Quantitative sensory testing revealed normal detection of nonnoxious stimuli in patients. Individuals with FD/MAS had higher pain tolerances relative to healthy controls. From neuroimaging studies, greater pain severity, neuropathic pain quality, and psychological status of the patient were associated with reduced structural integrity of white matter pathways (superior thalamic radiation and uncinate fasciculus), reduced gray matter thickness (pre-/paracentral gyri), and heightened responses to pain (precentral, temporal, and frontal gyri). Thus, properties of CNS circuits involved in processing sensorimotor and emotional aspects of pain were altered in FD/MAS. CONCLUSION These results offer insights into pain mechanisms in FD/MAS, while providing a basis for implementation of comprehensive pain management treatment approaches that addresses neuropsychological aspects of pain.
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Affiliation(s)
- Emma Golden
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Hanne van der Heijden
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Boyu Ren
- Department of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA 02478, USA
| | - Edin T Randall
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Laura A Drubach
- Department of Radiology, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Nehal Shah
- Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Mariesa Cay
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - David Ebb
- Department of Pediatric Hematology Oncology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Leonard B Kaban
- Department of Oral & Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, MA 02114, USA
| | - Zachary S Peacock
- Department of Oral & Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, MA 02114, USA
| | - Alison M Boyce
- Metabolic Bone Disorders Unit, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892, USA
| | - Michael Mannstadt
- Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Jaymin Upadhyay
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA 02478, USA
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Alqarni A, Khan F, Alabasi U, Ruscheweyh R. Translation, cross-cultural adaptation, and measurement properties of the Arabic version of the pain sensitivity questionnaire. FRONTIERS IN PAIN RESEARCH 2024; 5:1339449. [PMID: 38380375 PMCID: PMC10877041 DOI: 10.3389/fpain.2024.1339449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 01/23/2024] [Indexed: 02/22/2024] Open
Abstract
Background The Pain Sensitivity Questionnaire (PSQ) is a reliable and valid self-reported tool for the assessment of pain sensitivity in clinical practice. The PSQ has been translated, validated, and cross-culturally adapted into multiple languages. However, a validated Arabic version of the PSQ is not available. Thus, this study aims to translate, validate, and cross-culturally adapt the English version of the PSQ into the Arabic language. Methods and materials The English version of the PSQ was translated and culturally adapted into Arabic following international guidelines. The psychometric properties of the final version of the PSQ-Arabic (PSQ-A) were tested among 119 patients with different persistent musculoskeletal (MSK) pain. Findings The Cronbach's α for the PSQ-A-total, PSQ-A-moderate, and PSQ-C-minor were 0.81, 0.79, and 0.76, respectively. The means for the PSQ-A-total, PSQ-A-moderate, and PSQ-C-minor scores were 5.07 (±1.28), 5.64 (±2.07), and 4.50 (±0.50). The test-retest reliability measured with the interclass correlation coefficient for 68 subjects was 0.80 for the PSQ-A-total, 0.74 for the PSQ-A-moderate, and 0.77 for the PSQ-A-minor. The PSQ-A-total and the PSQ-A-minor showed positive significant correlations with pain catastrophizing scale (PCS) (r = 0.15, 0.17); P ≤ 0.05), respectively. The PSQ-A-total, PSQ-A-moderate, and PSQ-A-minor showed positive significant correlations with the Brief Pain Inventory (BPI)-pain scores (r = 0.47, 0.43, 0.45; P ≤ 0.01), respectively and with the BPI-pain interference scores (r = 0.37, 0.33, 0.34; P ≤ 0.01), respectively. Conclusions This study shows that the PSQ-A is a reliable and valid tool to assess individuals with pain sensitivity in Arabic populations. Further studies are recommended to examine the concurrent validity of the PSQ-A against experimental pain sensitivity measures.
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Affiliation(s)
- Abdullah Alqarni
- Department of Physical Therapy, Faculty of Medical Rehabilitation Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Fayaz Khan
- Department of Physical Therapy, Faculty of Medical Rehabilitation Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Umar Alabasi
- Department of Physical Therapy, Faculty of Medical Rehabilitation Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ruth Ruscheweyh
- Department of Neurology, University of Munich, Munich, Germany
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da Silva Fiorin F, do Espírito Santo CC, Da Silva JT, Chung MK. Inflammation, brain connectivity, and neuromodulation in post-traumatic headache. Brain Behav Immun Health 2024; 35:100723. [PMID: 38292321 PMCID: PMC10827408 DOI: 10.1016/j.bbih.2024.100723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 01/03/2024] [Accepted: 01/05/2024] [Indexed: 02/01/2024] Open
Abstract
Post-traumatic headache (PTH) is a debilitating condition that affects individuals with different levels of traumatic brain injury (TBI) severity. The difficulties in developing an effective treatment are related to a lack of understanding the complicated mechanisms and neurobiological changes in brain function after a brain injury. Preclinical studies have indicated that peripheral and central sensitization of the trigeminal nociceptive pathways contributes to PTH. While recent brain imaging studies have uncovered widespread changes in brain functional connectivity following trauma, understanding exactly how these networks contribute to PTH after injury remains unknown. Stimulation of peripheral (trigeminal or vagus) nerves show promising efficacies in PTH experimental animals, likely mediated by influencing TBI-induced pathological plasticity by decreasing neuroinflammation and neuronal apoptosis. Non-invasive brain stimulations, such as transcranial magnetic or direct current stimulations, show analgesia for multiple chronic pain conditions, including PTH. Better mechanistic understanding of analgesia achieved by neuromodulations can define peripheral and central mechanisms involved in the development, the resolution, and the management of PTH.
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Affiliation(s)
- Fernando da Silva Fiorin
- Department of Neural and Pain Sciences, School of Dentistry, University of Maryland Baltimore, Program in Neuroscience, Center to Advance Chronic Pain Research, Baltimore, MD, USA
| | - Caroline Cunha do Espírito Santo
- Graduate Program in Neuroengineering, Edmond and Lily Safra International Institute of Neuroscience, Santos Dumont Institute, Brazil
| | - Joyce T. Da Silva
- Department of Neural and Pain Sciences, School of Dentistry, University of Maryland Baltimore, Program in Neuroscience, Center to Advance Chronic Pain Research, Baltimore, MD, USA
| | - Man-Kyo Chung
- Department of Neural and Pain Sciences, School of Dentistry, University of Maryland Baltimore, Program in Neuroscience, Center to Advance Chronic Pain Research, Baltimore, MD, USA
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Vande Vyvere T, De Groote A, De Groef A, Haenen V, Tjalma W, Van Dyck P, Meeus M. Morphological and functional brain changes in chronic cancer-related pain: A systematic review. Anat Rec (Hoboken) 2024; 307:285-297. [PMID: 36342941 DOI: 10.1002/ar.25113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 10/21/2022] [Accepted: 10/26/2022] [Indexed: 11/09/2022]
Abstract
The purpose of this study was to perform a systematic review of the available literature on morphological and functional brain changes measured by modern neuroimaging techniques in patients suffering from chronic cancer-related pain. A systematic search was conducted in PubMed, Embase, and Web of Science using different keyword combinations. In addition, a hand search was performed on the reference lists and several databases to retrieve supplementary primary studies. Eligible articles were assessed for methodological quality and risk of bias and reviewed by two independent researchers. The search yielded only four studies, three of which used MRI and one PET-CT. None of the studies measured longitudinal morphological (i.e., gray or white matter) changes. All studies investigated functional brain changes and found differences in specific brain regions and networks between patients with chronic cancer-related pain and pain-free cancer patients or healthy volunteers. Some of these alterations were found in brain networks that also show changes in non-cancer populations with chronic pain (e.g., the default mode network and salience network). However, specific findings were inconsistent, and there was substantial variation in imaging methodology, analysis, sample size, and study quality. There is a striking lack of research on morphological brain changes in patients with chronic cancer-related pain. Moreover, only a few studies investigated functional brain changes. In the retrieved studies, there is some evidence that alterations occur in brain networks also involved in other chronic non-cancer pain syndromes. However, the low sample sizes of the studies, finding inconsistencies, and methodological heterogeneity do not allow for robust conclusions.
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Affiliation(s)
- Thijs Vande Vyvere
- Research Group MOVANT, Department of Rehabilitation Sciences and Physiotherapy (REVAKI), University of Antwerp, Antwerp, Belgium
- Department of Radiology, Antwerp University Hospital, Antwerp, Belgium
- Pain in Motion International Research Group (PiM), Antwerp, Belgium
| | - Amber De Groote
- Research Group MOVANT, Department of Rehabilitation Sciences and Physiotherapy (REVAKI), University of Antwerp, Antwerp, Belgium
- Pain in Motion International Research Group (PiM), Antwerp, Belgium
| | - An De Groef
- Research Group MOVANT, Department of Rehabilitation Sciences and Physiotherapy (REVAKI), University of Antwerp, Antwerp, Belgium
- Pain in Motion International Research Group (PiM), Antwerp, Belgium
- Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium
| | - Vincent Haenen
- Research Group MOVANT, Department of Rehabilitation Sciences and Physiotherapy (REVAKI), University of Antwerp, Antwerp, Belgium
- Pain in Motion International Research Group (PiM), Antwerp, Belgium
- Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium
| | - Wiebren Tjalma
- Department of Gynecological Oncology, Antwerp University Hospital, Antwerp, Belgium
- Multidisciplinary Breast Clinic, Antwerp University Hospital, Antwerp, Belgium
| | - Pieter Van Dyck
- Department of Radiology, Antwerp University Hospital, Antwerp, Belgium
- mVISION, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Mira Meeus
- Research Group MOVANT, Department of Rehabilitation Sciences and Physiotherapy (REVAKI), University of Antwerp, Antwerp, Belgium
- Pain in Motion International Research Group (PiM), Antwerp, Belgium
- Department of Rehabilitation Sciences, Ghent University, Ghent, Belgium
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Lv SS, Lv XJ, Cai YQ, Hou XY, Zhang ZZ, Wang GH, Chen LQ, Lv N, Zhang YQ. Corticotropin-releasing hormone neurons control trigeminal neuralgia-induced anxiodepression via a hippocampus-to-prefrontal circuit. SCIENCE ADVANCES 2024; 10:eadj4196. [PMID: 38241377 PMCID: PMC10798562 DOI: 10.1126/sciadv.adj4196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 12/21/2023] [Indexed: 01/21/2024]
Abstract
Anxiety and depression are frequently observed in patients suffering from trigeminal neuralgia (TN), but neural circuits and mechanisms underlying this association are poorly understood. Here, we identified a dedicated neural circuit from the ventral hippocampus (vHPC) to the medial prefrontal cortex (mPFC) that mediates TN-related anxiodepression. We found that TN caused an increase in excitatory synaptic transmission from vHPCCaMK2A neurons to mPFC inhibitory neurons marked by the expression of corticotropin-releasing hormone (CRH). Activation of CRH+ neurons subsequently led to feed-forward inhibition of layer V pyramidal neurons in the mPFC via activation of the CRH receptor 1 (CRHR1). Inhibition of the vHPCCaMK2A-mPFCCRH circuit ameliorated TN-induced anxiodepression, whereas activating this pathway sufficiently produced anxiodepressive-like behaviors. Thus, our studies identified a neural pathway driving pain-related anxiodepression and a molecular target for treating pain-related psychiatric disorders.
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Affiliation(s)
- Su-Su Lv
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai 200032, China
| | - Xue-Jing Lv
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai 200032, China
| | - Ya-Qi Cai
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai 200032, China
| | - Xin-Yu Hou
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai 200032, China
| | - Zhi-Zhe Zhang
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai 200032, China
| | - Guo-Hong Wang
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai 200032, China
| | - Li-Qiang Chen
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai 200032, China
| | - Ning Lv
- Department of Translational Neuroscience, Jing’an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, Shanghai 200032, China
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Galimberti A, Tik M, Pellegrino G, Schuler AL. Effectiveness of rTMS and tDCS treatment for chronic TBI symptoms: A systematic review and meta-analysis. Prog Neuropsychopharmacol Biol Psychiatry 2024; 128:110863. [PMID: 37709126 DOI: 10.1016/j.pnpbp.2023.110863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 08/18/2023] [Accepted: 09/09/2023] [Indexed: 09/16/2023]
Abstract
INTRODUCTION Traumatic brain injury (TBI) is a major cause of long-term disability with conventional treatments frequently falling short to restore a good quality-of-life. Non-invasive brain stimulation (NIBS) techniques have shown potential as therapeutic options for neuropsychiatric conditions, including TBI sequelae. This study aims at providing a systematic review and meta-analysis on the effectiveness of repetitive transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) on post-TBI symptoms. METHODS Fifteen randomized controlled trials (RCTs) on adult TBI patients that examined the effects of multiple treatment sessions of NIBS techniques were selected from five databases. Symptoms were clustered into four categories: depression, anxiety, headache and cognitive dysfunctions. Meta-analysis was performed using correlated and hierarchical effects models. RESULTS There were only few and heterogeneous studies with generally small sample sizes. Most studies targeted the dorsolateral prefrontal cortex (dlPFC). Overall, the effects of NIBS were small. However, there was a significant effect for overall symptoms (0.404, p = 0.031). Moreover, subgroup analyses revealed significant overall effects for anxiety (0.195, p = 0.020) and headache (0.354, p = 0.040). CONCLUSIONS To date, there is limited evidence supporting the effectiveness of NIBS concerning treatment for TBI sequelae. The observed effect sizes were modest, suggesting subtle improvements rather than drastic changes. While NIBS techniques remain promising for treating neuropsychiatric conditions, larger RCT studies with longer follow-ups, optimized stimulation parameters and standardized methodology are required to establish their efficacy in addressing TBI sequelae.
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Affiliation(s)
| | - Martin Tik
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, USA; Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
| | - Giovanni Pellegrino
- Epilepsy Program, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
| | - Anna-Lisa Schuler
- Lise Meitner Research Group Cognition and Plasticity, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany; IRCCS San Camillo Hospital, Venice, Italy.
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Yu Z, Yang H, Liu LY, Chen L, Su MH, Yang L, Zhu MJ, Yang LL, Liang F, Yu S, Yang J. Altered cognitive control network mediates the association between long-term pain and anxiety symptoms in primary dysmenorrhea. Neuroreport 2024; 35:9-16. [PMID: 37994619 PMCID: PMC10702699 DOI: 10.1097/wnr.0000000000001971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 08/31/2023] [Indexed: 11/24/2023]
Abstract
Neuroimaging studies have demonstrated the association of the cognitive control network (CCN) with the maintenance of chronic pain. However, whether and how dorsolateral prefrontal cortex (DLPFC), a key region within the CCN, is altered in menstrual pain is unclear. In this study, we aimed to investigate alterations in the DLPFC functional connectivity network in patients with primary dysmenorrhea (PDM). The study comprised 41 PDM patients and 39 matched healthy controls (HCs), all of whom underwent a resting-state functional MRI scan during the menstrual stage. All participants were instructed to complete the clinical assessment before the MRI scan. We used the DLPFC as the seed in resting-state functional connectivity (rsFC) analysis to investigate the difference between PDM patients and HCs. Compared to HCs, PDM patients showed increased right DLPFC rsFC at the bilateral lingual gyrus, dorsal anterior cingulate cortex (dACC), and middle cingulate cortex, and decreased left DLPFC rsFC at the right orbital frontal cortex. In addition, increased right DLPFC-bilateral dACC connectivity mediated the association between disease duration and the self-rating anxiety scale (SAS) scores in PDM patients. We confirmed that the DLPFC-dACC rsFC was associated with higher SAS scores, which could mediate the association between disease duration and anxiety symptoms in patients with PDM. Our findings provide central pathological evidence for an abnormal rsFC of the CCN in PDM patients, which may contribute to a better understanding of the neuropathophysiological mechanisms underlying PDM.
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Affiliation(s)
- Zheng Yu
- School of Intelligent Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu
| | - Han Yang
- Division of Internal Medicine, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University
| | - Li-ying Liu
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine
| | - Lin Chen
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine
| | - Meng-hua Su
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine
| | - Lu Yang
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine
| | - Man-jia Zhu
- School of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu
| | - Li-li Yang
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine
| | - Fanrong Liang
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine
| | - Siyi Yu
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine
| | - Jie Yang
- Traditional Chinese Medicine Department, Sichuan Jinxin Xi’nan Women’s and Children’s Hospital
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Petrini L, Arendt-Nielsen L. Pain catastrophizing in the elderly: An experimental pain study. Scand J Pain 2024; 24:sjpain-2023-0035. [PMID: 38452201 DOI: 10.1515/sjpain-2023-0035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 11/29/2023] [Indexed: 03/09/2024]
Abstract
OBJECTIVES Pain catastrophizing in the aging population has not been studied in great detail. Existing investigations have reported conflicting results on the effects of age on pain catastrophizing in relation to pain responses. This study investigated the relationship between pain catastrophizing, and its individual components (rumination, magnification, and helplessness), and the responses to standardized experimental pain stimuli in old and young, healthy adults. METHODS Sixty-six volunteers (32 old: 65-87, 18 females; 34 young: 20-35, 17 females) participated in the study. Pain catastrophizing including the components of rumination, magnification, and helplessness was assessed with the pain catastrophizing scale (PCS). Experimental pain was induced by applying predefined pressure stimulations to the trapezius muscle. Pain intensity and unpleasantness were assessed using numerical rating scales. Pain catastrophizing levels and pain responses were statistically compared between the two age groups. RESULTS Elderly individuals reported significantly (p = 0.028) lower scores of pain catastrophizing (Med = 5; interquartile range [IQR] = 14) than younger individuals; this difference was driven by the significantly lower components of rumination (Med = 2; IQR = 4; p = 0.017) and helplessness (Med = 2; IQR = 7; p = 0.049). A larger proportion of young (57.8%) rated pain catastrophizing at high levels, with scores above the 75th percentile (Med = 20). Additionally, elderly reported the lowest pain intensity (Med = 5; p = 0.034) and pain unpleasantness (Med = 4.5; p = 0.011) responses to the experimental pressure stimuli. In the elderly group, pain unpleasantness was positively and significantly associated with pain catastrophizing (r s = 0.416, p = 0.021), rumination (r s = 0.42, p = 0.019), and helplessness (r s = 0.434, p = 0.015), respectively. No associations were found in the young group. CONCLUSIONS Elderly reported lower PCSs than young adults. Rumination and helplessness were reduced in the elderly group. The elderly population showed positive correlations between catastrophizing levels and pain unpleasantness to standardized pressure pain stimuli. Results supported the view that elderly possess resilience over specific domains of pain catastrophizing that could counteract pain perception due to physiological decline.
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Affiliation(s)
- Laura Petrini
- Center for Neuroplasticity and Pain (CNAP), SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Selma Lagerløfs Vej 249, DK-9220, Aalborg, Denmark
| | - Lars Arendt-Nielsen
- Center for Neuroplasticity and Pain (CNAP), SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Selma Lagerløfs Vej 249, DK-9220, Aalborg, Denmark
- Department of Gastroenterology & Hepatology, Mech-Sense, Clinical Institute, Aalborg University Hospital, Selma Lagerløfs Vej 249, DK-9220, Aalborg, Denmark
- Steno Diabetes Center North Denmark, Clinical Institute, Aalborg University Hospital, Aalborg, Denmark
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Kong Q, Li T, Reddy S, Hodges S, Kong J. Brain stimulation targets for chronic pain: Insights from meta-analysis, functional connectivity and literature review. Neurotherapeutics 2024; 21:e00297. [PMID: 38237403 PMCID: PMC10903102 DOI: 10.1016/j.neurot.2023.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 10/11/2023] [Indexed: 02/16/2024] Open
Abstract
Noninvasive brain stimulation (NIBS) techniques have demonstrated their potential for chronic pain management, yet their efficacy exhibits variability across studies. Refining stimulation targets and exploring additional targets offer a possible solution to this challenge. This study aimed to identify potential brain surface targets for NIBS in treating chronic pain disorders by integrating literature review, neuroimaging meta-analysis, and functional connectivity analysis on 90 chronic low back pain patients. Our results showed that the primary motor cortex (M1) (C3/C4, 10-20 EEG system) and prefrontal cortex (F3/F4/Fz) were the most used brain stimulation targets for chronic pain treatment according to the literature review. The bilateral precentral gyrus (M1), supplementary motor area, Rolandic operculum, and temporoparietal junction, were all identified as common potential NIBS targets through both a meta-analysis sourced from Neurosynth and functional connectivity analysis. This study presents a comprehensive summary of the current literature and refines the existing NIBS targets through a combination of imaging meta-analysis and functional connectivity analysis for chronic pain conditions. The derived coordinates (with integration of the international electroencephalography (EEG) 10/20 electrode placement system) within the above brain regions may further facilitate the localization of these targets for NIBS application. Our findings may have the potential to expand NIBS target selection beyond current clinical trials and improve chronic pain treatment.
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Affiliation(s)
- Qiao Kong
- Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
| | - Tingting Li
- Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
| | - Sveta Reddy
- Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
| | - Sierra Hodges
- Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
| | - Jian Kong
- Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA.
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Liu J, Liu W, Huang J, Wang Y, Zhao B, Zeng P, Cai G, Chen R, Hu K, Tu Y, Lin M, Kong J, Tao J, Chen L. The modulation effects of the mind-body and physical exercises on the basolateral amygdala-temporal pole pathway on individuals with knee osteoarthritis. Int J Clin Health Psychol 2024; 24:100421. [PMID: 38077287 PMCID: PMC10709058 DOI: 10.1016/j.ijchp.2023.100421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 10/30/2023] [Indexed: 02/12/2024] Open
Abstract
Background/Objective To investigate the modulatory effects of different physical exercise modalities on connectivity of amygdala subregions and its association with pain symptoms in patients with knee osteoarthritis (KOA). Methods 140 patients with KOA were randomly allocated either to the Tai Chi, Baduanjin, Stationary cycling, or health education group and conducted a 12 week-long intervention in one of the four groups. The behavioral, magnetic resonance imaging (MRI), and blood data were collected at baseline and the end of the study. Results Compared to the control group, all physical exercise modalities lead to significant increases in Knee Injury and Osteoarthritis Outcome Score (KOOS) pain score (pain relief) and serum Programmed Death-1 (PD-1) levels. Additionally, all physical exercise modalities resulted in decreased resting state functional connectivity (rsFC) of the basolateral amygdala (BA)-temporal pole and BA-medial prefrontal cortex (mPFC). The overlapping BA-temporal pole rsFC observed in both Tai Chi and Baduanjin groups was significantly associated with pain relief, while the BA-mPFC rsFC was significantly associated with PD-1 levels. In addition, we found increased fractional anisotropy (FA) values, a measurement of water diffusion anisotropy of tissue that responded to changes in brain microstructure, within the mind-body exercise groups' BA-temporal pole pathway. The average FA value of this pathway was positively correlated with KOOS pain score at baseline across all subjects. Conclusions Our findings suggest that physical exercise has the potential to modulate both functional and anatomical connectivity of the amygdala subregions, indicating a possible shared pathway for various physical exercise modalities.
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Affiliation(s)
- Jiao Liu
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
- Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, United States
| | - Weilin Liu
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
| | - Jia Huang
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, China
| | - Yajun Wang
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, China
| | - Baoru Zhao
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, China
| | - Peiling Zeng
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, China
| | - Guiyan Cai
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, China
| | - Ruilin Chen
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, China
| | - Kun Hu
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, China
| | - YouXue Tu
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, China
| | - Meiqin Lin
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, China
| | - Jian Kong
- Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, United States
| | - Jing Tao
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, China
- Traditional Chinese Medicine Rehabilitation Research Center of State Administration of Traditional Chinese Medicine, Fujian University of Traditional Chinese, China
| | - Lidian Chen
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, China
- Traditional Chinese Medicine Rehabilitation Research Center of State Administration of Traditional Chinese Medicine, Fujian University of Traditional Chinese, China
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