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Lee S, Neogi T, McGinley B, Wang N, Frey Law L, Torabian KA, Aoyagi K, Stefanik JJ, Carlesso LC, Hausdorff JM, Gazit E, Segal NA, Lewis CE, Nevitt MC, Kumar D. Associations of pain sensitivity and conditioned pain modulation with physical activity: findings from the Multicenter Osteoarthritis Study (MOST). Osteoarthritis Cartilage 2024; 32:982-989. [PMID: 38763431 PMCID: PMC11254545 DOI: 10.1016/j.joca.2024.04.020] [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: 09/20/2023] [Revised: 04/08/2024] [Accepted: 04/10/2024] [Indexed: 05/21/2024]
Abstract
OBJECTIVE Individuals with chronic pain due to knee osteoarthritis (OA) are insufficiently physically active, and alterations of facilitatory and inhibitory nociceptive signaling are common in this population. Our objective was to examine the association of these alterations in nociceptive signaling with objective accelerometer-based measures of physical activity in a large observational cohort. DESIGN We used data from the Multicenter Osteoarthritis Study. Measures of peripheral and central pain sensitivity included pressure pain threshold at the knee and mechanical temporal summation at the wrist, respectively. The presence of descending pain inhibition was assessed by conditioned pain modulation (CPM). Physical activity was quantitatively assessed over 7 days using a lower back-worn activity monitor. Summary metrics included steps/day, activity intensity, and sedentary time. Linear regression analyses were used to evaluate the association of pain sensitivity and the presence of descending pain inhibition with physical activity measures. RESULTS Data from 1873 participants was analyzed (55.9% female, age = 62.8 ± 10.0 years). People having greater peripheral and central sensitivity showed lower step counts. CPM was not significantly related to any of the physical activity measures, and none of the exposures were significantly related to sedentary time. CONCLUSIONS In this cohort, greater peripheral and central sensitivity were associated with reduced levels of objectively-assessed daily step counts. Further research may investigate ways to modify or treat heightened pain sensitivity as a means to increase physical activity in older adults with knee OA.
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Affiliation(s)
- Soyoung Lee
- Department of Physical Therapy, Boston University, Boston, MA, USA.
| | - Tuhina Neogi
- Division of Rheumatology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA.
| | - Brooke McGinley
- School of Public Health, Boston University, Boston, MA, USA.
| | - Na Wang
- School of Public Health, Boston University, Boston, MA, USA.
| | - Laura Frey Law
- Physical Therapy & Rehabilitation Science, University of Iowa, Iowa City, IA, USA.
| | - Kaveh A Torabian
- Department of Physical Therapy, Boston University, Boston, MA, USA.
| | - Kosaku Aoyagi
- Division of Rheumatology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA.
| | - Joshua J Stefanik
- Division of Rheumatology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA; Department of Physical Therapy, Northeastern University, Boston, MA, USA.
| | - Lisa C Carlesso
- School of Rehabilitation Science, McMaster University, Hamilton, ON, Canada.
| | - Jeffrey M Hausdorff
- Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Rush University Medical Center, Chicago, IL, USA.
| | - Eran Gazit
- Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.
| | - Neil A Segal
- Department of Rehabilitation Medicine, University of Kansas, Kansas City, KS, USA.
| | - Cora E Lewis
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL, USA.
| | - Michael C Nevitt
- Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA.
| | - Deepak Kumar
- Department of Physical Therapy, Boston University, Boston, MA, USA; Division of Rheumatology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, USA.
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Imai R, Tanaka S, Kubo T, Hida M, Nakao H, Imaoka M, Nishigami T. Differences in self-reported signs related to central sensitization and pressure pain threshold related to knee osteoarthritis and sarcopenia. Eur Geriatr Med 2024:10.1007/s41999-024-01018-6. [PMID: 39012448 DOI: 10.1007/s41999-024-01018-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 06/26/2024] [Indexed: 07/17/2024]
Abstract
PURPOSE Neuroinflammation, which occurs in knee osteoarthritis and sarcopenia, has attracted attention as a mechanism of central sensitization, but the relationship between central sensitization and these conditions has not been widely studied. This study investigates differences in self-reported signs of central sensitization and pressure pain threshold in individuals with knee osteoarthritis and sarcopenia. METHODS We examined 340 patients (mean age ± standard deviation: 76 ± 5.9, women were 86.9%) with knee osteoarthritis scheduled to undergo total knee arthroplasty. For comparison, 129 community-dwelling older people (mean age ± standard deviation: 76 ± 5.5, women were 68.9%) individuals without a history of knee osteoarthritis or any other diagnosed illnesses were matched for age and sex. We assessed central sensitization inventory-9, pressure pain threshold, pain-related factors, skeletal muscle mass index, and hand grip strength. ANCOVA using 2 (patients with knee osteoarthritis and community older people without knee osteoarthritis) × 2 (sarcopenia and robust) was performed to assess outcome measurements. RESULTS The prevalence of sarcopenia among patients with knee osteoarthritis was 50.3%. ANCOVA revealed an interaction effect for the central sensitization inventory-9. For the main effect of knee osteoarthritis, there was a significant difference in central sensitization inventory-9, and for the main effect of sarcopenia, there was a significant difference in pressure pain threshold. CONCLUSIONS Discrepancies in the evaluation of central sensitization were identified between knee osteoarthritis and sarcopenia. Individuals with knee osteoarthritis had elevated score of self-reported indications of central sensitization, whereas sarcopenic patients had reduced pressure pain thresholds.
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Affiliation(s)
- Ryota Imai
- Graduate School of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka City, Osaka, 597-0104, Japan.
| | - So Tanaka
- Department of Clinical Research Center, Fukuoka Orthopaedic Hospital, 2-10-50 Yanagochi, Minami-ku, Fukuoka, Fukuoka, 815-0063, Japan
| | - Takanari Kubo
- Graduate School of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka City, Osaka, 597-0104, Japan
| | - Mitsumasa Hida
- Graduate School of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka City, Osaka, 597-0104, Japan
| | - Hidetoshi Nakao
- Department of Physical Therapy, Faculty of Social Work Studies, Josai International University, Togane City, Chiba, 283-0002, Japan
| | - Masakazu Imaoka
- Graduate School of Rehabilitation, Osaka Kawasaki Rehabilitation University, 158 Mizuma, Kaizuka City, Osaka, 597-0104, Japan
| | - Tomohiko Nishigami
- Department of Physical Therapy, Faculty of Health and Welfare, Prefectural University of Hiroshima, 1-1 Gakuen-cho, Mihara, Hiroshima, 723-0053, Japan
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Mingels S, Granitzer M, Luedtke K, Dankaerts W. Therapeutic Patient Education as Part of the Physiotherapy Management of Adults with Headache: A Scoping Review. Curr Pain Headache Rep 2024; 28:547-564. [PMID: 38613735 DOI: 10.1007/s11916-024-01253-3] [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: 03/30/2024] [Indexed: 04/15/2024]
Abstract
PURPOSE OF REVIEW Physiotherapy interventions for headache mostly include exercise and manual therapy. Yet, the complex nature of headache, sometimes characterized by symptoms of facilitated central pain mechanisms, demands an individualized approach in which therapeutic patient education could be supportive. This scoping review aimed to summarize the position of therapeutic patient education within the physiotherapy management of adults with headache. PubMed, EMBASE, Web of Science, and Scopus were searched. The search-query comprised terminology relating to "headache", "education", and "physiotherapy". Eligibility criteria were: adults with headache, interventions including education within the domain of physiotherapy, reviews, clinical trials, cohort, case report, case-control studies. RECENT FINDINGS Eleven publications were included from the 281 retrieved publications. These publications were clinical trials (n = 4), reviews (n = 4), case-reports (n = 2), and a guideline (n = 1). Type of headaches studied were migraine (n = 3), post-traumatic headache (n = 2), tension-type headache (n = 2), cervicogenic headache (n = 1), primary headaches (n = 1), chronic daily headache (n = 1), and mixed migraine-cervicogenic headache (n = 1). Education seems an umbrella-term for postural education, lifestyle advice, and pain education. Three themes emerged across the publications: handling headache triggers (migraine, post-traumatic headache), promoting active lifestyle (post-traumatic headache, chronic daily headache, migraine), evaluating posture (post-traumatic headache, chronic daily headache, tension-type headache, cervicogenic headache). All publications recommended education in the management of headache. Only one (of the 11 included) publication described the educational program and determined its efficacy. Based on this scoping review, therapeutic patient education seems supported within physiotherapy management of headache. However, it is unclear how such education is tailored to the specific needs of the individual, the headache subtype, or when it should be added to physiotherapy management of headache.
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Affiliation(s)
- Sarah Mingels
- Musculoskeletal Research Unit, Department of Rehabilitation Sciences, Faculty of Movement and Rehabilitation Sciences, Leuven University, Tervuursevest, 101, 3001, Leuven, Belgium.
- Faculty of Rehabilitation Sciences and Physiotherapy, REVAL Rehabilitation Research Centre, Hasselt University, Hasselt, Belgium.
| | - Marita Granitzer
- Faculty of Rehabilitation Sciences and Physiotherapy, REVAL Rehabilitation Research Centre, Hasselt University, Hasselt, Belgium
| | - Kerstin Luedtke
- Department of Physiotherapy, Pain and Exercise Research, Universität Zu Lübeck, Lübeck, Germany
| | - Wim Dankaerts
- Musculoskeletal Research Unit, Department of Rehabilitation Sciences, Faculty of Movement and Rehabilitation Sciences, Leuven University, Tervuursevest, 101, 3001, Leuven, Belgium
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Pereira-Silva R, Teixeira-Pinto A, Neto FL, Martins I. μ-Opioid Receptor Activation at the Dorsal Reticular Nucleus Shifts Diffuse Noxious Inhibitory Controls to Hyperalgesia in Chronic Joint Pain in Male Rats. Anesthesiology 2024; 140:1176-1191. [PMID: 38381969 DOI: 10.1097/aln.0000000000004956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
BACKGROUND The dorsal reticular nucleus is a pain facilitatory area involved in diffuse noxious inhibitory control (DNIC) through opioidergic mechanisms that are poorly understood. The hypothesis was that signaling of μ-opioid receptors is altered in this area with prolonged chronic inflammatory pain and that this accounts for the loss of DNICs occurring in this condition. METHODS Monoarthritis was induced in male Wistar rats (n = 5 to 9/group) by tibiotarsal injection of complete Freund's adjuvant. The immunolabeling of µ-opioid receptors and the phosphorylated forms of µ-opioid receptors and cAMP response element binding protein was quantified. Pharmacologic manipulation of μ-opioid receptors at the dorsal reticular nucleus was assessed in DNIC using the Randall-Selitto test. RESULTS At 42 days of monoarthritis, μ-opioid receptor labeling decreased at the dorsal reticular nucleus, while its phosphorylated form and the phosphorylated cAMP response element binding protein increased. [d-Ala2, N-Me-Phe4, Gly5-ol]-enkephalin acetate (DAMGO) enhanced DNIC analgesia in normal animals (means ± SD: pre-DNIC: 126.9 ± 7.0 g; DNIC - DAMGO: 147.5 ± 8.0 g vs. DNIC + DAMGO: 198.1 ± 19.3 g; P < 0.001), whereas it produced hyperalgesia in monoarthritis (pre-DNIC: 67.8 ± 7.5 g; DNIC - DAMGO: 70.6 ± 7.7 g vs. DNIC + DAMGO: 32.2 ± 2.6 g; P < 0.001). An ultra-low dose of naloxone, which prevents the excitatory signaling of the μ-opioid receptor, restored DNIC analgesia in monoarthritis (DNIC - naloxone: 60.0 ± 6.1 g vs. DNIC + naloxone: 98.0 ± 13.5 g; P < 0.001), compared to saline (DNIC - saline: 62.5 ± 5.2 g vs. DNIC + saline: 64.2 ± 3.8 g). When injected before DAMGO, it restored DNIC analgesia and decreased the phosphorylated cAMP response element binding protein in monoarthritis. CONCLUSIONS The dorsal reticular nucleus is likely involved in a facilitatory pathway responsible for DNIC hyperalgesia. The shift of μ-opioid receptor signaling to excitatory in this pathway likely accounts for the loss of DNIC analgesia in monoarthritis. EDITOR’S PERSPECTIVE
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Affiliation(s)
- Raquel Pereira-Silva
- Institute for Research and Innovation in Health (i3S) of the University of Porto, Porto, Portugal; Institute for Molecular and Cell Biology (IBMC), University of Porto, Porto, Portugal; Department of Biomedicine - Unit of Experimental Biology, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Armando Teixeira-Pinto
- Sydney School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia; Centre for Kidney Research, Kids Research Institute, Children's Hospital at Westmead, Sydney, New South Wales, Australia
| | - Fani L Neto
- Institute for Research and Innovation in Health (i3S) of the University of Porto, Porto, Portugal; Institute for Molecular and Cell Biology (IBMC), University of Porto, Porto, Portugal; Department of Biomedicine - Unit of Experimental Biology, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Isabel Martins
- Institute for Research and Innovation in Health (i3S) of the University of Porto, Porto, Portugal; Institute for Molecular and Cell Biology (IBMC), University of Porto, Porto, Portugal; Department of Biomedicine - Unit of Experimental Biology, Faculty of Medicine, University of Porto, Porto, Portugal
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Magnusson K, Turkiewicz A, Rydén M, Englund M. Genetic Influence on Osteoarthritis Versus Other Rheumatic Diseases. Arthritis Rheumatol 2024; 76:206-215. [PMID: 37691153 DOI: 10.1002/art.42696] [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: 04/25/2023] [Revised: 08/21/2023] [Accepted: 09/01/2023] [Indexed: 09/12/2023]
Abstract
OBJECTIVE We aimed to compare the genetic contribution to osteoarthritis (OA) versus other rheumatic/musculoskeletal diseases (RMDs) in the same population and to explore the role for any shared genetics between OA and other RMDs. METHODS In 59,970 Swedish twins aged 35 years or older, we estimated the heritability (the variance explained by genetic factors) of OA in peripheral joints, back and neck pain, shoulder pain (adhesive capsulitis, impingement syndrome, etc), rheumatoid arthritis, spondyloarthritis (SpA) and psoriatic arthritis, myalgia, and osteoporosis diagnosed in specialist and inpatient care. We also studied how much covariance between OA and each of the RMDs could be explained by genetics by studying phenotypic correlations in bivariate classical twin models. RESULTS Any-site OA and hip OA (50% and 64%) were among the most heritable RMDs (as compared with 23% for fibromyalgia [lowest] and 63% for SpA [highest]). The highest phenotypic correlations were between OA (any joint site) and shoulder pain in the same individual (r = 0.33, 95% confidence interval 0.31-0.35), of which 70% (95% confidence interval 52-88) could be explained by shared genetics. The phenotypic correlation between OA and back/neck pain was r = 0.25, with 25% to 75% explained by genetics. Phenotypic correlations between OA and each of the other RMDs were lower (r ~ 0.1 to r ~ 0.2), with inconclusive sources of variation. CONCLUSION OA has relatively large heritability as compared with other RMDs. The coexistence of OA and shoulder pain, as well as back pain, was common and could often be explained by genetic factors. Findings imply similar etiologies of OA and several pain conditions.
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Affiliation(s)
- Karin Magnusson
- Lund University, Lund, Sweden and Norwegian Institute of Public Health, Oslo, Norway
| | - Aleksandra Turkiewicz
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Clinical Epidemiology Unit, Lund, Sweden
| | - Martin Rydén
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Clinical Epidemiology Unit, Lund, Sweden
| | - Martin Englund
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Clinical Epidemiology Unit, Lund, Sweden
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Ueki H, Yoshimura H. Long-lasting decreased pain threshold negatively affects functional recovery after arthroscopic rotator cuff repair. Knee Surg Sports Traumatol Arthrosc 2023; 31:5970-5978. [PMID: 37882879 DOI: 10.1007/s00167-023-07632-4] [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: 05/06/2023] [Accepted: 10/11/2023] [Indexed: 10/27/2023]
Abstract
PURPOSE The relationship between sensitization and postoperative function in patients undergoing arthroscopic rotator cuff repair (ARCR). The purpose of this study was to evaluate the effect of pre-and postoperative reductions in the pressure pain threshold (PPT) on postoperative clinical outcomes in patients with ARCR and investigate changes in PPT and clinical outcomes resulting from postoperative administration of weak opioids activating the central inhibitory system. METHODS This retrospective study included patients who underwent primary ARCR, categorized into Group A (excellent/good Constant scores) and B (fair/poor Constant scores). In a complementary study, patients were randomized to the Control or Tramadol groups. Both studies evaluated the PPT, visual analog scale, active range of motion (ROM), Constant score, and retear rates pre-and postoperatively. RESULTS In the primary study with 158 patients, those with poor clinical outcomes exhibited significantly lower PPT at the affected shoulder preoperatively at 3 months postoperatively compared to those with good outcomes. The PPT of the affected side was lower than that of the uninvolved side not only at 1 and 3 months but also preoperatively and at 6 months in the poor outcome group. In the secondary study involving 96 patients, weak opioid administration was associated with increased PPT for 3 months, improved ROM at 3 months postoperatively, and reduced postoperative pain 1 year postoperatively. CONCLUSION Patients experiencing poor postoperative clinical outcomes exhibited prolonged lowered PPT. Lowered PPT due to sensitization may adversely affect functional recovery and pain perception. Elevating PPT using weak opioids improved clinical outcomes during the acute perioperative period after ARCR. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Hiroko Ueki
- Kawaguchi Kogyo General Hospital, 1-18-15, Aoki, Kawaguchi-City, Saitama, 332-0031, Japan
| | - Hideya Yoshimura
- Kawaguchi Kogyo General Hospital, 1-18-15, Aoki, Kawaguchi-City, Saitama, 332-0031, Japan.
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Dahmani D, Taik FZ, Berrichi I, Fourtassi M, Abourazzak FE. Impact of central sensitization on pain, disability and psychological distress in patients with knee osteoarthritis and chronic low back pain. BMC Musculoskelet Disord 2023; 24:877. [PMID: 37950225 PMCID: PMC10636971 DOI: 10.1186/s12891-023-07019-z] [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: 06/03/2023] [Accepted: 11/05/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Central sensitization (CS) is becoming increasingly recognized as a significant factor in many chronic pain conditions, including knee osteoarthritis (KOA) and chronic low back pain (CLBP). Yet it presently remains unclear how strong is the involvement of CS in KOA and CLBP and which factors are involved in CS in these two chronic disabling diseases. METHODS This is a cross-sectional study in which included a total of 178 patients with KOA and 118 patients with CLBP. Inclusion criteria for eligible participants for the KOA group were a confirmed diagnosis of KOA according to the American College of Rheumatology criteria, and for the CLBP group a chronic low back pain for more than 3 months. Subjects were excluded if they presented with a diagnosed psychiatric disorder or if they lacked the capacity to provide informed consent, understand study questionnaires or perform physical performance tests. In each group, were assessed; CS-related symptoms using the Central Sentization Inventory (CSI); demographic and clinical characteristics such as disease duration, pain intensity on a visual analog scale, self-reported function using the Lequesne index for KOA patients and the Oswestry Disability index for CLBP patients, and physical performance with the 6 minutes' walk test; as well as psychosocial risk factors using the Patient Health Questionnaire for depression (PHQ-9), the Generalized Anxiety Disorder (GAD-7) and the Pain Catastrophizing Scale (PCS). RESULTS CSI scores significantly correlated with pain intensity and disability in KOA and CLBP patients, and were highly correlated with self-reported symptoms of depression, anxiety and pain catastrophizing. Depression significantly predicted the CSI score in both groups. CONCLUSION These findings provide further evidence for the impact of CS on pain, function and physical performance in KOA and CLBP patients. Psychosocial symptoms such as pain catastrophizing, anxiety and depression should also be considered as they are also associated with CS.
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Affiliation(s)
- Doha Dahmani
- Rheumatology Department, Faculty of Medicine and Pharmacy, Mohammed VI University Hospital, Abdelmalek Essaadi University, Tangier, Morocco.
| | - Fatima Zahrae Taik
- Rheumatology Department, Faculty of Medicine and Pharmacy, Mohammed VI University Hospital, Abdelmalek Essaadi University, Tangier, Morocco
- Laboratory of Life and Health Sciences, Faculty of Medicine and Pharmacy of Tangier, Abdelmalek Essaadi University, Tangier, Morocco
| | - Imane Berrichi
- Rheumatology Department, Faculty of Medicine and Pharmacy, Mohammed VI University Hospital, Abdelmalek Essaadi University, Tangier, Morocco
| | - Maryam Fourtassi
- Laboratory of Life and Health Sciences, Faculty of Medicine and Pharmacy of Tangier, Abdelmalek Essaadi University, Tangier, Morocco
| | - Fatima Ezzahra Abourazzak
- Rheumatology Department, Faculty of Medicine and Pharmacy, Mohammed VI University Hospital, Abdelmalek Essaadi University, Tangier, Morocco
- Laboratory of Life and Health Sciences, Faculty of Medicine and Pharmacy of Tangier, Abdelmalek Essaadi University, Tangier, Morocco
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Marinkovic K, Woodruff D, White DR, Caudle MM, Cronan T. Neural indices of multimodal sensory and autonomic hyperexcitability in fibromyalgia. NEUROBIOLOGY OF PAIN (CAMBRIDGE, MASS.) 2023; 14:100140. [PMID: 38033709 PMCID: PMC10687342 DOI: 10.1016/j.ynpai.2023.100140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 07/21/2023] [Accepted: 07/21/2023] [Indexed: 12/02/2023]
Abstract
Fibromyalgia (FM) is characterized by chronic widespread musculoskeletal pain and psychological distress. Research suggests people with FM experience increased somatosensory sensitization which generalizes to other sensory modalities and may indicate neural hyperexcitability. However, the available evidence is limited, and studies including measures of neural responsivity across sensory domains and both central and peripheral aspects of the neuraxis are lacking. Thirty-nine participants (51.5 ± 13.6 years of age) with no history of neurological disorders, psychosis, visual, auditory, or learning deficits, were recruited for this study. People with FM (N = 19) and control participants (CNT, N = 20) did not differ on demographic variables and cognitive capacity. Participants completed a task that combined innocuous auditory stimuli with electrocutaneous stimulation (ECS), delivered at individually-selected levels that were uncomfortable but not painful. Event-related potentials (ERPs) and electrodermal activity were analyzed to examine the central and sympathetic indices of neural responsivity. FM participants reported greater sensitivity to ECS and auditory stimulation, as well as higher levels of depression, anxiety, ADHD, and an array of pain-related experiences than CNT. In response to ECS, the P50 deflection was greater in FM than CNT participants, reflecting early somatosensory hyperexcitability. The P50 amplitude was positively correlated with the FM profile factor obtained with a principal component analysis. The N100 to innocuous tones and sympathetic reactivity to ECS were greater in FM participants, except in the subgroup treated with gabapentinoids, which aligns with previous evidence of symptomatic improvement with GABA-mimetic medications. These results support the principal tenet of generalized neural hyperexcitability in FM and provide preliminary mechanistic insight into the impact of GABA-mimetic pharmacological therapy on ameliorating the neural excitation dominance.
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Affiliation(s)
- Ksenija Marinkovic
- Department of Psychology, San Diego State University, 5500 Campanile Dr., San Diego, CA 92182, USA
- San Diego State University/University of California, San Diego, Joint Doctoral Program in Clinical Psychology, 5500 Campanile Dr., San Diego, CA 92182, USA
- Department of Radiology, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA
| | - Denali Woodruff
- Department of Psychology, San Diego State University, 5500 Campanile Dr., San Diego, CA 92182, USA
| | - David R. White
- Department of Psychology, San Diego State University, 5500 Campanile Dr., San Diego, CA 92182, USA
| | - Morgan M. Caudle
- Department of Psychology, San Diego State University, 5500 Campanile Dr., San Diego, CA 92182, USA
- San Diego State University/University of California, San Diego, Joint Doctoral Program in Clinical Psychology, 5500 Campanile Dr., San Diego, CA 92182, USA
| | - Terry Cronan
- Department of Psychology, San Diego State University, 5500 Campanile Dr., San Diego, CA 92182, USA
- San Diego State University/University of California, San Diego, Joint Doctoral Program in Clinical Psychology, 5500 Campanile Dr., San Diego, CA 92182, USA
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Tactile acuity and left/right judgment performance in patients with knee osteoarthritis: A cross-sectional study. Musculoskelet Sci Pract 2023; 64:102747. [PMID: 36931007 DOI: 10.1016/j.msksp.2023.102747] [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: 12/29/2022] [Revised: 03/04/2023] [Accepted: 03/10/2023] [Indexed: 03/19/2023]
Abstract
BACKGROUND Left/right judgment task (LRJT) performance and tactile acuity are impaired in chronic pain conditions, however, evidence is limited for knee osteoarthritis (OA). OBJECTIVE To compare LRJT performance and the two-point discrimination threshold (TPDT) of chronic knee OA patients with asymptomatic knee and pain-free controls. DESIGN Cross-sectional study. METHODS Fifty knee OA patients and 50 age and gender-matched pain-free controls were assessed using the Recognize® application by displaying knee images and a digital caliper for the TPDT of the medial and lateral knee joint line. RESULTS TPDTs over the lateral joint line in symptomatic (mean difference [MD]: 13.59 mm; 95% confidence interval [CI]: 8.72, 18.46; d = 1.40) and asymptomatic knee (MD: 10.15 mm; 95% CI: 5.08, 15.22; d = 0.99) were significantly increased compared to pain-free controls. Similarly, TPDTs of the medial joint line were significantly increased in symptomatic (MD: 12.19 mm; 95% CI: 7.59, 16.79; d = 1.31) and asymptomatic knee (MD: 7.64 mm; 95% CI: 3.64, 11.64; d = 1.31) compared to pain-free controls. Patients with knee OA were less accurate (MD: 7.80%; 95% CI: 15.32, -0.27; d = 0.52) recognizing images of their symptomatic knee. No correlation was found between pain severity, pain duration, LRJT performance, and TPDTs. Post-hoc analysis revealed no differences in LRJT and TPDTs between patients with and without clinically relevant symptoms of central sensitization. CONCLUSION Chronic knee OA is associated with increased TPDT for medial and lateral knee joint lines and decreased recognition accuracy performance which should be considered during treatment process.
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Rapid Biomarker-Based Diagnosis of Fibromyalgia Syndrome and Related Rheumatologic Disorders by Portable FT-IR Spectroscopic Techniques. Biomedicines 2023; 11:biomedicines11030712. [PMID: 36979691 PMCID: PMC10044908 DOI: 10.3390/biomedicines11030712] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 02/20/2023] [Accepted: 02/24/2023] [Indexed: 03/02/2023] Open
Abstract
Fibromyalgia syndrome (FM), one of the most common illnesses that cause chronic widespread pain, continues to present significant diagnostic challenges. The objective of this study was to develop a rapid vibrational biomarker-based method for diagnosing fibromyalgia syndrome and related rheumatologic disorders (systemic lupus erythematosus (SLE), osteoarthritis (OA) and rheumatoid arthritis (RA)) through portable FT-IR techniques. Bloodspot samples were collected from patients diagnosed with FM (n = 122) and related rheumatologic disorders (n = 70), including SLE (n = 17), RA (n = 43), and OA (n = 10), and stored in conventional protein saver bloodspot cards. The blood samples were prepared by four different methods (blood aliquots, protein-precipitated extraction, and non-washed and water-washed semi-permeable membrane filtration extractions), and spectral data were collected with a portable FT-IR spectrometer. Pattern recognition analysis, OPLS-DA, was able to identify the signature profile and classify the spectra into corresponding classes (Rcv > 0.93) with excellent sensitivity and specificity. Peptide backbones and aromatic amino acids were predominant for the differentiation and might serve as candidate biomarkers for syndromes such as FM. This research evaluated the feasibility of portable FT-IR combined with chemometrics as an accurate and high-throughput tool for distinct spectral signatures of biomarkers related to the human syndrome (FM), which could allow for real-time and in-clinic diagnostics of FM.
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Ho KKN, Skarpsno ES, Nilsen KB, Ferreira PH, Pinheiro MB, Hopstock LA, Johnsen MB, Steingrímsdóttir ÓA, Nielsen CS, Stubhaug A, Simic M. A bidirectional study of the association between insomnia, high-sensitivity C-reactive protein, and comorbid low back pain and lower limb pain. Scand J Pain 2023; 23:110-125. [PMID: 35420264 DOI: 10.1515/sjpain-2021-0197] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 03/08/2022] [Indexed: 01/17/2023]
Abstract
OBJECTIVES To examine the possible bidirectional association between insomnia and comorbid chronic low back pain (LBP) and lower limb pain and to explore whether high-sensitivity C-reactive protein (hsCRP) amplifies these associations. METHODS We calculated adjusted risk ratios (RR) with 95% confidence intervals (CI) for the development of insomnia and mild-to-severe chronic LBP and lower limb pain at 11 years follow-up in participants aged ≥32 years and with hsCRP ≤10 mg/L at baseline in 2007-2008: 3,714 without chronic LBP or lower limb pain (sample 1) and 7,892 without insomnia (sample 2). RESULTS Compared to participants without chronic pain, participants with comorbid chronic LBP and lower limb pain had a RR of insomnia of 1.37 (95% CI 1.12-1.66). Compared with participants without insomnia, participants with insomnia did not have an increased risk of comorbid chronic LBP and lower limb pain (RR: 1.06, 95% CI 0.76-1.46); however, participants with insomnia had a RR of chronic LBP of 1.20 (95% CI 1.02-1.42). There was no strong amplifying effect of elevated hsCRP (3.00-10.0 mg/L) on these associations. CONCLUSIONS These findings suggest that elevated hsCRP does not amplify the associations between insomnia and mild-to-severe chronic LBP and lower limb pain. Further research using data on the temporal relation between insomnia, chronic pain, and inflammatory responses are required to fully understand the causal pathways.
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Affiliation(s)
- Kevin K N Ho
- Faculty of Medicine and Health, Sydney School of Health Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Eivind S Skarpsno
- Department of Public Health and Nursing, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim, Norway
| | - Kristian B Nilsen
- Department of Research, Innovation and Education, Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway
- Department of Neurology, Oslo University Hospital, Division of Clinical Neuroscience, Oslo, Norway
| | - Paulo H Ferreira
- Faculty of Medicine and Health, Sydney School of Health Sciences, The University of Sydney, Sydney, NSW, Australia
- Sydney Musculoskeletal Health, School of Health Sciences, Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Marina B Pinheiro
- Faculty of Medicine and Health, Sydney School of Health Sciences, The University of Sydney, Sydney, NSW, Australia
- Institute for Musculoskeletal Health, University of Sydney and Sydney Local Health District, Sydney, NSW, Australia
| | - Laila A Hopstock
- Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
| | | | - Ólöf A Steingrímsdóttir
- Department of Chronic Diseases, Norwegian Institute of Public Heath, Oslo, Norway
- Department of Research and Development, Oslo University Hospital, Oslo, Norway
| | - Christopher S Nielsen
- Department of Chronic Diseases, Norwegian Institute of Public Heath, Oslo, Norway
- Department of Pain Management and Research, Oslo University Hospital, Oslo, Norway
| | - Audun Stubhaug
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
- Department of Pain Management and Research, Oslo University Hospital, Oslo, Norway
| | - Milena Simic
- Faculty of Medicine and Health, Sydney School of Health Sciences, The University of Sydney, Sydney, NSW, Australia
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12
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Xiang T, Li JH, Su HY, Bai KH, Wang S, Traub RJ, Cao DY. Spinal CCK1 Receptors Contribute to Somatic Pain Hypersensitivity Induced by Malocclusion via a Reciprocal Neuron-Glial Signaling Cascade. THE JOURNAL OF PAIN 2022; 23:1629-1645. [PMID: 35691467 PMCID: PMC9560966 DOI: 10.1016/j.jpain.2022.05.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 05/05/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
Recent studies have shown that the incidence of chronic primary pain including temporomandibular disorders (TMD) and fibromyalgia syndrome (FMS) often exhibit comorbidities. We recently reported that central sensitization and descending facilitation system contributed to the development of somatic pain hypersensitivity induced by orofacial inflammation combined with stress. The purpose of this study was to explore whether TMD caused by unilateral anterior crossbite (UAC) can induce somatic pain hypersensitivity, and whether the cholecystokinin (CCK) receptor-mediated descending facilitation system promotes hypersensitivity through neuron-glia cell signaling cascade. UAC evoked thermal and mechanical pain hypersensitivity of the hind paws from day 5 to 70 that peaked at week 4 post UAC. The expression levels of CCK1 receptors, interleukin-18 (IL-18) and IL-18 receptors (IL-18R) were significantly up-regulated in the L4 to L5 spinal dorsal horn at 4 weeks post UAC. Intrathecal injection of CCK1 and IL-18 receptor antagonists blocked somatic pain hypersensitivity. IL-18 mainly co-localized with microglia, while IL-18R mainly co-localized with astrocytes and to a lesser extent with neurons. These findings indicate that the signaling transduction between neurons and glia at the spinal cord level contributes to the descending pain facilitation through CCK1 receptors during the development of the comorbidity of TMD and FMS. PERSPECTIVE: CCK1 receptor-dependent descending facilitation may mediate central mechanisms underlying the development of widespread somatic pain via a reciprocal neuron-glial signaling cascade, providing novel therapeutic targets for the clinical treatment of TMD and FMS comorbidities.
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Affiliation(s)
- Ting Xiang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, Research Center of Stomatology, Xi'an Jiaotong University College of Stomatology, Xi'an, Shaanxi, China; Department of Orthodontics, Xi'an Jiaotong University College of Stomatology, Xi'an, Shaanxi, China
| | - Jia-Heng Li
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, Research Center of Stomatology, Xi'an Jiaotong University College of Stomatology, Xi'an, Shaanxi, China
| | - Han-Yu Su
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, Research Center of Stomatology, Xi'an Jiaotong University College of Stomatology, Xi'an, Shaanxi, China
| | - Kun-Hong Bai
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, Research Center of Stomatology, Xi'an Jiaotong University College of Stomatology, Xi'an, Shaanxi, China
| | - Shuang Wang
- Department of Orthodontics, Xi'an Jiaotong University College of Stomatology, Xi'an, Shaanxi, China
| | - Richard J Traub
- Department of Neural and Pain Sciences, School of Dentistry; Center to Advance Chronic Pain Research, University of Maryland Baltimore, Baltimore, Maryland.
| | - Dong-Yuan Cao
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, Research Center of Stomatology, Xi'an Jiaotong University College of Stomatology, Xi'an, Shaanxi, China.
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13
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Koszewicz M, Szydlo M, Gosk J, Wieczorek M, Slotwinski K, Budrewicz S. The Relevance of Collision Tests and Quantitative Sensory Testing in Diagnostics and Postoperative Outcome Prediction in Carpal Tunnel Syndrome. Front Neurol 2022; 13:900562. [PMID: 35769372 PMCID: PMC9234301 DOI: 10.3389/fneur.2022.900562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 05/06/2022] [Indexed: 11/13/2022] Open
Abstract
Background The gold standards for the diagnosis and treatment of carpal tunnel syndrome (CTS) and its outcome are undecided. Using clinical and electrophysiological methods, we tried to establish which fibers achieved full postoperative recovery, and the possibility of using non-standard electrophysiological tests as outcome predictors. Methods The study group consisted of 35 patients and controls. The Historical–Objective Scale, standard neurography, conduction velocity distribution tests (CVD), and quantitative sensory testing (QST) were performed before and after CTS surgery. Results Clinical improvement was observed on average in 54.3% of the patients, higher in less advanced CTS. All parameters improved significantly after surgery, except for CVD; most remained worse than in the controls. Only QST parameters fully returned to normal limits. Patient age and CTS severity were important in the estimation of the risk of no improvement. Conclusions The efficiency of minimally invasive CTS surgery is higher in younger patients with less advanced CTS. Complete recovery was present only in small fibers; larger fibers could most likely be responsible for residual signs. We did not notice any benefits in CTS diagnosis using methods of small fiber assessment. QST seemed to be useful in the diagnosis of residual signs, and in deciding upon possible reoperation.
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Affiliation(s)
- Magdalena Koszewicz
- Department of Neurology, Wroclaw Medical University, Wroclaw, Poland
- *Correspondence: Magdalena Koszewicz
| | - Mariusz Szydlo
- Department of Neurology, Wroclaw Medical University, Wroclaw, Poland
| | - Jerzy Gosk
- Department of Trauma and Orthopedic Surgery, Regional Specialist Hospital, Wroclaw, Poland
| | - Malgorzata Wieczorek
- Faculty of Earth Sciences and Environmental Management, University of Wroclaw, Wroclaw, Poland
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14
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Mibu A, Nishigami T, Tanaka K, Yono S, Manfuku M, Imai R. Does a combination of self‐reported signs related to central sensitization and pressure pain threshold allow for a more detailed classification of pain‐related characteristics in patients with chronic musculoskeletal pain?: A cross‐sectional study. Pain Pract 2022; 22:556-563. [DOI: 10.1111/papr.13125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 04/29/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Akira Mibu
- Department of Physical Therapy, Konan Women’s University Kobe Hyogo Japan
| | - Tomohiko Nishigami
- Department of Physical Therapy, Faculty of Health and Welfare Prefectural University of Hiroshima Mihara Hiroshima Japan
| | | | - Satoko Yono
- Department of Rehabilitation, Tanabe Orthopaedics Osaka Osaka Japan
| | | | - Ryota Imai
- Department of Physical Therapy Osaka Kawasaki Rehabilitation University Osaka Japan
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15
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Pagé MG, Tousignant-Laflamme Y, Dorais M, Beaudry H, Fernet M. Characteristics of Persons Seeking Care for Moderate to Severe Pain Due to Chronic Low Back Pain and Osteoarthritis: A Cross-Sectional Study. J Pain Res 2022; 15:1125-1139. [PMID: 35469249 PMCID: PMC9034864 DOI: 10.2147/jpr.s360314] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 03/30/2022] [Indexed: 01/03/2023] Open
Abstract
Purpose To assess the associations between pain severity or physical (pQoL) and mental (mQoL) health-related quality of life and disability status or health-care utilization among persons living with moderate/severe pain due to chronic low back pain (CLBP) or osteoarthritis (OA), who received treatments in Quebec’s tertiary care pain centers. Materials and Methods This retrospective study was carried out using the Quebec Pain Registry (Canada) from 2008 to 2014 and contains data on persons referred to tertiary pain management clinics. Participants were selected if they were diagnosed with CLBP (N = 2663) or OA (N = 139) of more than 3 months duration and of pain intensity ≥5 on the Numeric Rating Scale (0–10) and completed baseline questionnaires. Results Less than 5% of persons were hospitalized in the 6 months before their first visit at the pain clinic, and 11.9% and 18.9% of persons with OA and CLBP, respectively, had a pain-related emergency room (ER) visit. Less than 1/5 and more than 1/4 of persons with OA and CLBP were receiving disability benefits, respectively. Persons with CLBP who had visited the ER, those on disability and those receiving disability benefits, reported higher levels of pain severity, interference, and lower levels of mQoL (and pQoL for those on disability or receiving benefits) compared to those who did not consult the ER, those not on disability or not receiving disability benefits, respectively (all p < 0.05). For OA, disability status was the only variable associated with pain interference and QoL (all p < 0.05). Conclusion Pain severity, pain interference and mQoL were associated with health-care utilization and disability status in persons with CLBP. These results were globally not found among persons with OA, which might be due to smaller sample size or unique characteristics of this population.
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Affiliation(s)
- M Gabrielle Pagé
- Research Center, Centre Hospitalier de l’Université de Montréal, Montreal, QC, Canada
- Department of Anesthesiology and Pain Medicine, Université de Montréal, Montreal, QC, Canada
- Correspondence: M Gabrielle Pagé, Research Center, Centre hospitalier de l’Université de Montréal, S01-122, St-Antoine Tower, 850 St-Denis, Montreal, QC, H2X 0A9, Canada, Tel +1 514-890-8000, ext. 31601, Email
| | | | - Marc Dorais
- StatSciences Inc., Notre-Dame-de-l’Ile-Perrot, QC, Canada
| | | | - Mireille Fernet
- Medical Affairs Division, Pfizer Canada, Montreal, QC, Canada
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16
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Sutanto D, Ho RST, Poon ETC, Yang Y, Wong SHS. Effects of Different Trunk Training Methods for Chronic Low Back Pain: A Meta-Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19052863. [PMID: 35270557 PMCID: PMC8910008 DOI: 10.3390/ijerph19052863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/22/2022] [Accepted: 02/25/2022] [Indexed: 12/04/2022]
Abstract
We conducted a systematic review and meta-analysis comparing motor control, isometric, and isotonic trunk training intervention for pain, disability, and re-injury risk reduction in chronic low back pain patients. The EMBASE, MEDLINE, CENTRAL, PsycINFO, SPORTDiscus, and CINAHL databases were searched from inception until 25 February 2021 for chronic low back pain intervention based on any trunk training. Outcomes include the Oswestry Disability Index (ODI) and Roland Morris Disability Questionnaire (RMDQ) for disability, the Numerical Pain Rating Scale (NPRS) for pain, and the Sorensen Test (ST) for future risk of re-injury. Isometric training was superior to the control with a mean difference (MD) = −1.66, 95% confidence interval (CI) [−2.30, −1.01] in pain reduction; MD = −7.94, 95% CI [−10.29, −5.59] in ODI; MD = −3.21, 95% CI [−4.83, −1.60] in RMDQ; and MD = 56.35 s, 95% CI [51.81 s, 60.90 s] in ST. Motor control was superior to the control with a MD = −2.44, 95% CI [−3.10, −1.79] in NPRS; MD = −8.32, 95% CI [−13.43, −3.22] in ODI; and MD = −3.58, 95% CI [−5.13, −2.03] in RMDQ. Isometric and motor control methods can effectively reduce pain and disability, with the isometric method reducing re-injury risk.
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Affiliation(s)
- Dhananjaya Sutanto
- Department of Sports Science and Physical Education, The Chinese University of Hong Kong, Shatin, Hong Kong; (D.S.); (R.S.T.H.); (Y.Y.)
| | - Robin S. T. Ho
- Department of Sports Science and Physical Education, The Chinese University of Hong Kong, Shatin, Hong Kong; (D.S.); (R.S.T.H.); (Y.Y.)
| | - Eric T. C. Poon
- Department of Health and Physical Education, The Education University of Hong Kong, Taipo, Hong Kong;
| | - Yijian Yang
- Department of Sports Science and Physical Education, The Chinese University of Hong Kong, Shatin, Hong Kong; (D.S.); (R.S.T.H.); (Y.Y.)
| | - Stephen H. S. Wong
- Department of Sports Science and Physical Education, The Chinese University of Hong Kong, Shatin, Hong Kong; (D.S.); (R.S.T.H.); (Y.Y.)
- Correspondence:
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17
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Li X, Zhou W, Wang L, Ye Y, Li T. Transcranial Direct Current Stimulation Alleviates the Chronic Pain of Osteoarthritis by Modulating NMDA Receptors in Midbrain Periaqueductal Gray in Rats. J Pain Res 2022; 15:203-214. [PMID: 35115824 PMCID: PMC8801364 DOI: 10.2147/jpr.s333454] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 01/18/2022] [Indexed: 12/11/2022] Open
Abstract
Purpose Osteoarthritis (OA) is the most common cause to lead to chronic pain. Transcranial direct current stimulation (tDCS) has been widely used to treat nerve disorders and chronic pain. The benefits of tDCS for chronic pain are apparent, but its analgesic mechanism is still unclear. This study observed the analgesic effects of tDCS on OA-induced chronic pain and the changes of NMDA receptor levels in PAG after tDCS treatment in rats to explore the analgesic mechanism of tDCS. Methods After establishing chronic pain by injecting monosodium iodoacetate (MIA) into the rat ankle joint, the rats received tDCS for 14 consecutive days (20 min/day). Before tDCS treatment, Ifenprodil (the selective antagonist of NMDAR2B) was given to rats in different ways: intracerebroventricular (i.c.v.) injection or intraperitoneal (i.p.) injection. The Von Frey and hot plate tests were applied to assess the pain-related behaviors at different time points. The expression level of NMDAR2B was evaluated in midbrain periaqueductal gray (PAG) by Western blot. In addition, NMDAR2B and c-Fos were observed by the Immunohistochemistry staining after tDCS treatment. Results The mechanical allodynia and thermal hyperalgesia were produced after MIA injection. However, tDCS treatment reverted the mechanical allodynia and thermal hyperalgesia. Moreover, tDCS treatment significantly increased the expression of NMDAR2B and the proportion of positive stained cells of NMDAR2B. Besides that, the tDCS treatment also decreased the proportion of positive stained cells of c-Fos in PAG. However, these changes did not occur in the rats given the Ifenprodil (i.c.v.). Conclusion These results indicate that tDCS may increase the expression of NMDA receptors in PAG and strengthen the NMDA receptors-mediated antinociception to alleviate OA-induced chronic pain in rats.
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Affiliation(s)
- Xinhe Li
- Department of Rehabilitation Medicine, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, People’s Republic of China
| | - Wenwen Zhou
- Department of Rehabilitation Medicine, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, People’s Republic of China
| | - Lin Wang
- Department of Rehabilitation Medicine, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, People’s Republic of China
| | - Yinshuang Ye
- Department of Rehabilitation Medicine, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, People’s Republic of China
| | - Tieshan Li
- Department of Rehabilitation Medicine, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, People’s Republic of China
- Correspondence: Tieshan Li, Email
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18
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Zhivolupov SA, Samartsev IN, Ponomarev VV. [Quantative evaluation and analysis of the central mechanisms involved in analgesic effect of Alflutop in patients with chronic lower back pain]. Zh Nevrol Psikhiatr Im S S Korsakova 2021; 121:38-44. [PMID: 34874653 DOI: 10.17116/jnevro202112110138] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Evaluation of Alfultop impact on nociceptive afferentation central mechanisms in patients with chronic lower back pain. MATERIALS AND METHODS The study involved 40 patients with CLBP. The therapy included Alflutop, 2 ml once a day for 10 days. Mean VAS-pain, LANSS, Roland-Morris questionnaire, Global Rating of Change Scale (GRC), pressure pain thresholds data were analyzed. Follow-up duration was 3 months. RESULTS Most of the patients were females (f:m=1.3:1); average age - 60.5 [54.2; 67.3] years with a mean disease duration of 14.3±4.2 mo. At visit 1, the VAS score was 63.2±9.4, LANSS 14.2±2.1 points, and the Roland-Morris questionnaire 9.9±3.5 points. There was a significant decrease in the pain threshold both in the zone of maximum pain, located in the lower back (3.97±0.9 kg/sm2), and in suprasegmental area (5.22±1.7 kg/sm2), and a pathological change in the temporal summation of pain (789.2±45.6 mm). After Alflutop therapy, significant changes in the parameters of the VAS, LANSS and Roland-Morris scores were recorded after 30 days of observation and maximum changes in 3 months. The pain threshold has significantly increased after 3 months of observation. The majority of patients rated the improvement from the therapy as «moderate» and «pronounced» (33/82.5%) according to the GRC scale. A significant relationship was established between the level of pain threshold and the intensity of pain on the VAS scale (R=0.714), its duration (R=0.799) and disability of the patients (R=0.706). CONCLUSIONS Central sensitization develops in patients with CLBP, which correlates with VAS score of pain intensity, its duration and the degree of disability. Alflutop significantly reduces the intensity of the pain syndrome, its neuropathic component, significantly increases the level of pain threshold and improves the disability of patients in 3 months after the start of treatment.
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Affiliation(s)
| | - I N Samartsev
- Kirov Military Medical Academy, St. Petersburg, Russia
| | - V V Ponomarev
- Belarusian Medical Academy of Postgraduate Education, Minsk, Belarus
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19
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Teixeira PEP, Zehry HI, Chaudhari S, Dipietro L, Fregni F. Pain perception in chronic knee osteoarthritis with varying levels of pain inhibitory control: an exploratory study. Scand J Pain 2021; 20:651-661. [PMID: 32667903 DOI: 10.1515/sjpain-2020-0016] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 04/27/2020] [Indexed: 12/12/2022]
Abstract
Background and aims Pain is a disabling symptom in knee osteoarthritis (KOA) and its underlying mechanism remains poorly understood. Dysfunction of descending pain modulatory pathways and reduced pain inhibition enhance pain facilitation in many chronic pain syndromes but do not fully explain pain levels in chronic musculoskeletal conditions. The objective of this study is to explore the association of clinical variables with pain intensity perception in KOA individuals with varying levels of Conditioned Pain Modulation (CPM) response. Methods This is a cross-sectional, exploratory analysis using baseline data of a randomized clinical trial investigating the effects of a non-invasive brain stimulation treatment on the perception of pain and functional limitations due to KOA. Sixty-three subjects with KOA were included in this study. Data on pain perception, mood perception, self-reported depression, physical function, quality of life, and quantitative sensory testing was collected. Multiple linear regression analysis was performed to explore the association between the clinical variables with pain perception for individuals with different levels of CPM response. Results For KOA patients with limited CPM response, perception of limitations at work/other activities due to emotional problems and stress scores were statistically significantly associated with pain scores, F(2, 37) = 7.02, p < 0.01. R-squared = 0.275. For KOA patients with normal CPM response, general health perception scores were statistically significantly associated with pain scores, F(1, 21) = 5.60, p < 0.05. R-squared = 0.2104. Limitations of this study include methodology details, small sample size and study design characteristics. Conclusions Pain intensity perception is associated differently with clinical variables according to the individual CPM response. Mechanistic models to explain pain perception in these two subgroups of KOA subjects are discussed.
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Affiliation(s)
- Paulo E P Teixeira
- Spaulding Neuromodulation Center, Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital and Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Hanan I Zehry
- Spaulding Neuromodulation Center, Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital and Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.,Faculty of Nursing, Suez Canal University, Ismailia, Egypt
| | - Swapnali Chaudhari
- Spaulding Neuromodulation Center, Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital and Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | | | - Felipe Fregni
- Spaulding Neuromodulation Center, Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital and Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
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20
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The Relationship Between Clinical and Quantitative Measures of Pain Sensitization in Knee Osteoarthritis. Clin J Pain 2021; 36:336-343. [PMID: 31977373 DOI: 10.1097/ajp.0000000000000798] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVES Pain sensitization in knee osteoarthritis (OA) is associated with greater symptom severity and poorer clinical outcomes. Measures that identify pain sensitization and are accessible to use in clinical practice have been suggested to enable more targeted treatments. This merits further investigation. This study examines the relationship between quantitative sensory testing (QST) and clinical measures of pain sensitization in people with knee OA. METHODS A secondary analysis of data from 134 participants with knee OA was performed. Clinical measures included: manual tender point count (MTPC), the Central Sensitization Inventory (CSI) to capture centrally mediated comorbidities, number of painful sites on a body chart, and neuropathic pain-like symptoms assessed using the modified PainDetect Questionnaire. Relationships between clinical measures and QST measures of pressure pain thresholds (PPTs), temporal summation, and conditioned pain modulation were investigated using correlation and multivariable regression analyses. RESULTS Fair to moderate correlations, ranging from -0.331 to -0.577 (P<0.05), were identified between MTPC, the CSI, number of painful sites, and PPTs. Fair correlations, ranging from 0.28 to 0.30 (P<0.01), were identified between MTPC, the CSI, number of painful sites, and conditioned pain modulation. Correlations between the clinical and self-reported measures and temporal summation were weak and inconsistent (0.09 to 0.25). In adjusted regression models, MTPC was the only clinical measure consistently associated with QST and accounted for 11% to 12% of the variance in PPTs. DISCUSSION MTPC demonstrated the strongest associations with QST measures and may be the most promising proxy measure to detect pain sensitization clinically.
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21
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Broberg M, Karjalainen J, Ollila HM. Mendelian randomization highlights insomnia as a risk factor for pain diagnoses. Sleep 2021; 44:zsab025. [PMID: 33608734 PMCID: PMC8271146 DOI: 10.1093/sleep/zsab025] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 12/21/2020] [Indexed: 12/21/2022] Open
Abstract
STUDY OBJECTIVE Insomnia has been linked to acute and chronic pain conditions; however, it is unclear whether such relationships are causal. Recently, a large number of genetic variants have been discovered for both insomnia and pain through genome-wide association studies (GWASs) providing a unique opportunity to examine the evidence for causal relationships through the use of the Mendelian randomization paradigm. METHODS To elucidate the causality between insomnia and pain, we performed bidirectional Mendelian randomization analysis in FinnGen, where clinically diagnosed ICD-10 categories of pain had been evaluated. In addition, we used measures of self-reported insomnia symptoms. We used endpoints for pain in the FinnGen Release 5 (R5) (N = 218,379), and a non-overlapping sample for insomnia (UK Biobank (UKBB) and 23andMe, N = 1,331,010 or UKBB alone N = 453,379). We assessed the robustness of results through conventional Mendelian randomization sensitivity analyses. RESULTS Genetic liability to insomnia symptoms increased the odds of reporting pain (odds ratio (OR) [95% confidence interval (CI)] = 1.47 [1.38-1.58], p = 4.12 × 10-28). Manifested pain had a small effect on increased risk for insomnia (OR [95% CI] = 1.04 [1.01-1.07], p < 0.05). Results were consistent in sensitivity analyses. CONCLUSIONS Our findings support a bidirectional causal relationship between insomnia and pain. These data support a further clinical investigation into the utility of insomnia treatment as a strategy for pain management and vice versa.
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Affiliation(s)
- Martin Broberg
- Institute for Molecular Medicine Finland, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Juha Karjalainen
- Institute for Molecular Medicine Finland, HiLIFE, University of Helsinki, Helsinki, Finland
- Program in Medical and Population Genetics, Broad Institute, Cambridge, MA, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
| | | | - Hanna M Ollila
- Institute for Molecular Medicine Finland, HiLIFE, University of Helsinki, Helsinki, Finland
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Department of Genetics, Stanford University, Palo Alto, CA, USA
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Preemptive Duloxetine Relieves Postoperative Pain and Lowers Wound Temperature in Centrally Sensitized Patients Undergoing Total Knee Arthroplasty: A Randomized, Double-Blind, Placebo-Controlled Trial. J Clin Med 2021; 10:jcm10132809. [PMID: 34202314 PMCID: PMC8269433 DOI: 10.3390/jcm10132809] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/22/2021] [Accepted: 06/23/2021] [Indexed: 02/08/2023] Open
Abstract
(1) Background: The purpose of this study was to determine whether preemptive duloxetine in patients with central sensitization (CS) is effective for acute postoperative pain control and wound healing following total knee arthroplasty (TKA). (2) Methods: CS was defined as a score of 40 points or higher on the Central Sensitization Inventory (CSI) survey. Thirty-nine patients with CS were randomly assigned to either the duloxetine group (n = 19) or the placebo group (n = 20). The duloxetine group took duloxetine 30 mg once a day, while the placebo group took the placebo medication once a day. A pain visual analog scale (VAS) and the Brief Pain Inventory (BPI), wound complications, the temperature of the surgical site, and adverse events were investigated. Skin temperature was measured at the center of the patella using a portable digital thermometer. (3) Results: The duloxetine group reported significantly lower pain VAS scores during follow-up periods up to 6 weeks after surgery (all p < 0.05). BPI interference also showed significantly superior results in the duloxetine group after surgery (all p < 0.05). Although there was no difference in the rate of wound complications between the two groups (p > 0.05), the duloxetine group showed significantly lower wound temperature than the placebo group during the follow-up period (all p < 0.05). (4) Conclusion: In this study, preemptive duloxetine effectively reduced pain and lowered wound temperature following TKA in CS patients.
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Moreira LPC, Mendoza C, Barone M, Rocha RS, Dias Dos Santos R, Hazime FA. Reduction in Pain Inhibitory Modulation and Cognitive-Behavioral Changes in Patients With Chronic Low Back Pain: A Case-Control Study. Pain Manag Nurs 2021; 22:599-604. [PMID: 34127394 DOI: 10.1016/j.pmn.2021.05.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 05/11/2021] [Accepted: 05/14/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND Recent studies indicate that the assessment of conditioned pain modulation (CPM) responses and emotional factors can provide important information regarding chronification mechanisms, choices for more efficient therapeutic strategies, and clinical variables supporting a therapeutic prognosis. AIMS To investigate the impact of nonspecific chronic low back pain (NSCLBP) on CPM and psychosocial factors in individuals with NSCLBP compared with healthy controls. DESIGN Case-control study. METHODS Eighteen patients with NSCLBP and 18 healthy controls were recruited for this study. Pain intensity and affective-emotional aspects of pain, functional disability, kinesiophobia, depression, anxiety, and catastrophizing pain were obtained using a questionnaire. A CPM protocol was established to assess the functioning of the descending inhibitory system, with a cold pressor test as a conditioning stimulus and pressure pain threshold as a test stimulus. The maximal isometric strength of the trunk extensors also was evaluated. RESULTS Healthy participants demonstrated a greater CPM response than those with NSCLBP. Patients with NSCLBP exhibited significantly lower pressure pain threshold than healthy subjects. Moreover, patients with NSCLBP presented with a considerable exacerbation of cognitive-behavioral changes. NSCLBP patients showed diminished maximal isometric strength of the trunk extensor compared to healthy subjects. CONCLUSIONS The endogenous pain inhibition system is reduced in patients with NSCLBP, with significant cognitive-behavioral changes indicated by high levels of anxiety and moderate pain intensity. SETTING Clinical School of Physical Therapy of the Federal University of Delta of Parnaíba, Piauí - Brazil. PARTICIPANTS/SUBJECTS 36 subjects with and without NSCLBP.
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Affiliation(s)
| | - Cristian Mendoza
- Department of Physical Therapy, Musculoskeletal Research Unit, UIM, University Center for Assistance, Teaching and Research, CUADI, Universidad del Gran Rosario, UGR, Rosario, Argentina
| | - Mauro Barone
- Department of Physical Therapy, Musculoskeletal Research Unit, UIM, University Center for Assistance, Teaching and Research, CUADI, Universidad del Gran Rosario, UGR, Rosario, Argentina
| | - Raquel Sales Rocha
- Department of Physical Therapy, Federal University of Delta of Parnaíba, Parnaíba, Piauí, Brazil
| | - Renato Dias Dos Santos
- Department of Physical Therapy, Federal University of Delta of Parnaíba, Parnaíba, Piauí, Brazil
| | - Fuad Ahmad Hazime
- Department of Physical Therapy, Federal University of Delta of Parnaíba, Parnaíba, Piauí, Brazil; Biomedical Master Science Program, Federal University of Delta of Parnaíba, Parnaíba, Piauí, Brazil.
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24
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Koszewicz M, Szydlo M, Gosk J, Wieczorek M, Slotwinski K, Budrewicz S. The Use of Quantitative Sensation Testing to Identify the Physiological Differences Between the Median and Ulnar Nerves. Front Hum Neurosci 2021; 15:601322. [PMID: 34025372 PMCID: PMC8134541 DOI: 10.3389/fnhum.2021.601322] [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: 11/03/2020] [Accepted: 04/07/2021] [Indexed: 11/13/2022] Open
Abstract
Introduction Similarities in morphology, physiological function, and neurophysiological findings between median and ulnar nerves are not unequivocal. Our previous study confirmed differences in motor fiber parameters between these nerves in healthy persons. We made an attempt to assess and compare the physiological parameters of different sensation modalities (temperature, pain, and vibration) in median and ulnar nerves. Methods The study was performed in 31 healthy, right-handed volunteers: 17 women, 14 men, mean age 44.8 ± 15.5 years. Standard sensory conduction tests in the median and ulnar nerves were performed together with the estimation of vibratory, temperature, and warm- and cold-induced pain thresholds in the C7 and C8 dermatomes on the palm, using quantitative sensory testing. Results There were no statistically significant differences in the standard sensory conduction test in the median and ulnar nerves across the whole group: between right and left hands, and between women and men. We revealed differences in the temperature and pain thresholds between these nerves, mainly in low temperature perception. There were no differences in estimated thresholds between sides or in female and male groups. The vibratory limits did not differ significantly between nerves, and subgroups. Conclusion The study confirmed the differences in the physiological sensory perception between the median and ulnar nerves. The median nerve is more sensitive to temperature stimulation than the ulnar nerve, but simultaneously less sensitive to pain-inducing temperature stimuli. These findings should be considered during the examination of hand nerve pathology.
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Affiliation(s)
| | - Mariusz Szydlo
- Department of Neurology, Wrocław Medical University, Wrocław, Poland
| | - Jerzy Gosk
- Department of Trauma and Hand Surgery, Wrocław Medical University, Wrocław, Poland
| | - Malgorzata Wieczorek
- Faculty of Earth Sciences and Environmental Management, University of Wrocław, Wrocław, Poland
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25
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Tanaka K, Nishigami T, Mibu A, Imai R, Manfuku M, Tanabe A. Combination of Pain Location and Pain Duration is Associated with Central Sensitization-Related Symptoms in Patients with Musculoskeletal Disorders: A Cross-Sectional Study. Pain Pract 2021; 21:646-652. [PMID: 33710772 DOI: 10.1111/papr.13005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 02/02/2021] [Accepted: 03/02/2021] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Increased evidence indicates that pain location affects central sensitization (CS)-related symptoms. In addition, pain location and pain duration may be intricately related to CS-related symptoms. However, these factors have been investigated separately. This study aimed to investigate the association between CS-related symptoms and pain location and/or pain duration in patients with musculoskeletal disorders. METHODS Six hundred thirty-five participants with musculoskeletal disorders were included in this cross-sectional study. All participants were assessed for pain location, pain duration, central sensitization inventory (CSI), EuroQol-5 dimension, and brief pain inventory. The participants were categorized into 3 groups based on pain location (spinal, limb, and both spinal and limb pain) and into 2 groups based on pain duration (acute and chronic pain). RESULTS The interaction between pain location and pain duration were not significant on CSI score (P > 0.05). The odds ratio for higher CSI score (≥ 40) in patients with both spinal and limb pain vs. those with spinal or limb pain was 2.64 (P < 0.01) and that in patients with chronic pain vs. those with acute pain was 1.31 (P = 0.52). In addition, the prevalence of higher CSI scores in the combination of chronic and "both spinal and limb" pain was high (23.1%, adjusted residual = 4.48). CONCLUSIONS Pain location independently influenced CSI scores, and the combination of both spinal and limb pain and chronic pain indicated high CSI scores. The combination of pain location and pain duration is an important clue that points to CS-related symptoms.
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Affiliation(s)
| | - Tomohiko Nishigami
- Department of Physical Therapy, Faculty of Health and Welfare, Prefectural University of Hiroshima, Mihara, Hiroshima, Japan
| | - Akira Mibu
- Department of Physical Therapy, Konan Women's University, Kobe, Japan
| | - Ryota Imai
- Department of Physical Therapy, Osaka Kawasaki Rehabilitation University, Osaka, Japan
| | | | - Akihito Tanabe
- Department of Rehabilitation, Tanabe Orthopaedics, Osaka, Japan
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26
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Malafoglia V, Tenti M, Ilari S, Balzani E, Fanelli A, Muscoli C, Raffaeli W, Bonci A. Opportunities and challenges for nonaddictive interventions in chronic pain. Curr Opin Pharmacol 2021; 57:184-191. [PMID: 33799001 DOI: 10.1016/j.coph.2021.02.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 02/10/2021] [Accepted: 02/11/2021] [Indexed: 12/06/2022]
Abstract
The worlds of chronic pain and addiction continue to intersect too often in many ways. Chronic pain significantly impairs and disrupts the quality of life of millions of people worldwide. Opioids remain the most prescribed pharmacotherapy offered to patients to alleviate chronic pain. The extensive and often unnecessary prescription of opioids has created a surge in the prevalence of opioid use disorders and opioid overdose-related deaths. In this brief review, we aim to provide a bench-to-bedside overview of promising biomarkers, therapeutic targets, and challenges related to treating patients with chronic pain. We hope this review will inspire new opportunities and insights into the development of novel, nonaddictive treatments for chronic pain that will be available to patients in the near future.
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Affiliation(s)
| | - Michael Tenti
- ISAL Foundation Institute for Research on Pain, Torre Pedrera, Italy
| | - Sara Ilari
- Department of Health Science, Institute of Research for Food Safety & Health (IRC-FSH), University "Magna Graecia" of Catanzaro, Viale Europa, Loc. Germaneto, Catanzaro, Italy
| | - Eleonora Balzani
- Department of Medicine and Surgery, University of Turin, Torino, Italy
| | - Andrea Fanelli
- Anesthesia and Pain Medicine Unit, Department of Emergency and Urgency, Policlinico S.Orsola-Malpighi Hospital, Bologna, Italy
| | - Carolina Muscoli
- Department of Health Science, Institute of Research for Food Safety & Health (IRC-FSH), University "Magna Graecia" of Catanzaro, Viale Europa, Loc. Germaneto, Catanzaro, Italy
| | - William Raffaeli
- ISAL Foundation Institute for Research on Pain, Torre Pedrera, Italy
| | - Antonello Bonci
- ISAL Foundation Institute for Research on Pain, Torre Pedrera, Italy; Global Institute on Addictions, 1501, Biscayne Blvd, Miami, FL, USA.
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27
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Lai C, Ciacchella C, Pellicano GR, Altavilla D, Sambucini D, Paolucci T, Sorgi ML, Di Franco M, Saggini R, Aceto P. Different Electrophysiological Responses to Pain-Related Visual Stimuli Between Fibromyalgia and Chronic low Back Pain Women: A Pilot Case-Control Study. CHRONIC STRESS (THOUSAND OAKS, CALIF.) 2021; 5:24705470211046881. [PMID: 34988344 PMCID: PMC8723168 DOI: 10.1177/24705470211046881] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 08/31/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND Fibromyalgia is a chronic pain syndrome which occurs in the absence of an organic damage, whom causes is still unclear. Aims of this pilot study were to investigate the neural correlates of fibromyalgia in response to pain-related visual stimuli and explore the psychological differences among fibromyalgia, chronic low back pain (CLBP) and healthy conditions. METHODS After a clinical assessment, electrophysiological responses to pain-related visual stimuli were recorded using a 256-Hydrocel Geodesic-Sensor-Net. Event-related potentials (ERPs), standardised low-resolution electromagnetic tomography (sLORETA), and psychological (Symptom Checklist-90-Revised) data were analysed for a total sample of 23 women (5 healthy volunteers, 12 fibromyalgia patients, 6 CLBP patients). RESULTS The main finding was that fibromyalgia women reported a different brain response to pain-related visual stimuli on the frontal montage compared to women with CLBP (p = .028). Moreover, fibromyalgia women showed an increased activity mainly on the hippocampus (p = .003) and the posterior cingulate cortex (p ≤ .001) in response to algic stimuli compared to not algic ones. Lastly, these women presented higher scores on the somatization (p = .002), obsession-compulsion (p = .045), depression (p = .043) and positive symptom distress (p = .023) dimensions compared to the healthy women. CONCLUSIONS These preliminary results suggest that although the painful symptoms are similar, the central elaboration of pain could be different between women with fibromyalgia and those with CLBP. Moreover, these findings provide preliminary evidences about the great alert and the central sensitivity to pain-related information regarding fibromyalgia patients.
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Affiliation(s)
- Carlo Lai
- Department of Dynamic and Clinical
Psychology, and Health Studies, Sapienza University, Rome, Italy
| | - Chiara Ciacchella
- Department of Dynamic and Clinical
Psychology, and Health Studies, Sapienza University, Rome, Italy
| | - Gaia Romana Pellicano
- Department of Dynamic and Clinical
Psychology, and Health Studies, Sapienza University, Rome, Italy
| | - Daniela Altavilla
- Department of Philosophy, Communication
and Performing Arts, “Roma Tre” University, Rome, Italy
| | - Daniela Sambucini
- Department of Dynamic and Clinical
Psychology, and Health Studies, Sapienza University, Rome, Italy
| | - Teresa Paolucci
- Department of Oral and Biotechnological
Biomedical Sciences, Physical Medicine and Rehabilitation, University of G.
D'Annunzio of Chieti-Pescara, Chieti, Italy
| | - Maria Laura Sorgi
- Department of Clinical and Molecular
Medicine, Sant' Andrea University Hospital, Sapienza University
of, Rome, Italy
| | - Manuela Di Franco
- Rheumatology Unit, Department of Internal Medicine and Medical
Specialties, Sapienza University of Rome, Italy
| | - Raoul Saggini
- Department of Oral and Biotechnological
Biomedical Sciences, Physical Medicine and Rehabilitation, University of G.
D'Annunzio of Chieti-Pescara, Chieti, Italy
| | - Paola Aceto
- Department of Emergency,
anesthesiological and reanimation sciences, Fondazione Policlinico
Universitario A. Gemelli IRCCS, Rome, Italy
- Department of Basic Biotechnological
Sciences, Intensive Care and Perioperative Clinics, University of Sacred
Heart, Rome, Italy
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Kim MS, Koh IJ, Kim CK, Choi KY, Kim CY, In Y. Cross-cultural adaptation and validation of the Korean version of the Central Sensitization Inventory in patients undergoing total knee arthroplasty for knee osteoarthritis. PLoS One 2020; 15:e0242912. [PMID: 33259513 PMCID: PMC7707521 DOI: 10.1371/journal.pone.0242912] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 11/11/2020] [Indexed: 11/18/2022] Open
Abstract
The purpose of this study was to establish a Korean version of the Central Sensitization Inventory (CSI-K) for Korean-speaking patients facing total knee arthroplasty (TKA) for knee osteoarthritis (OA) and to investigate the psychometric characteristics of the CSI-K. We recruited a total of 269 patients with knee OA who were scheduled to undergo TKA for the study. CSI-K and pain-related outcomes, including the pain visual analog scale (VAS) and the Western Ontario and McMaster Universities OA Index (WOMAC) pain sub-scores, were measured. Since central sensitization (CS) is closely related to the quality of life (QOL) and limited functionality as well as pain, the patient's function was measured using the WOMAC function sub-scores, and QOL was measured using the EuroQol five-dimension test (EQ-5D). Reliability and validity were evaluated. Exploratory factor analysis (EFA) was conducted to begin the data reduction to validate the existing questionnaire translation. The internal consistency was excellent, with a Cronbach's alpha of 0.941. The test-retest reliability was acceptable-to-excellent with an ICC of 0.888. As expected, the CSI scores correlated strongly with the WOMAC pain scores (r = 0.524, p < 0.001) and moderately with the pain VAS (r = 0.496, p < 0.001), the WOMAC function (r = 0.408, p < 0.001), and the EQ-5D scores (r = 0.437, p < 0.001). EFA resulted in a six-factor model. The findings demonstrate that the CSI was successfully trans-culturally adapted into a simplified Korean version (CSI-K) that was reliable and valid for Korean-speaking patients who awaiting TKA for knee OA.
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Affiliation(s)
- Man Soo Kim
- Department of Orthopaedic Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - In Jun Koh
- Department of Orthopaedic Surgery, Eunpyeong St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Chul Kyu Kim
- Department of Orthopaedic Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Keun Young Choi
- Department of Orthopaedic Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Chang Yeon Kim
- Department of Orthopaedic Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yong In
- Department of Orthopaedic Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- * E-mail:
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Cutaneous temperature and pressure pain threshold in individuals with knee osteoarthritis. Reumatologia 2020; 58:272-276. [PMID: 33227096 PMCID: PMC7667939 DOI: 10.5114/reum.2020.100195] [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: 06/09/2020] [Accepted: 10/05/2020] [Indexed: 11/17/2022] Open
Abstract
Introduction Osteoarthritis is a common disease in which skin temperature may be included among the pathophysiological factors. Thermography allows the mapping of cutaneous temperature and may be employed in the investigation of osteoarthritis. Objectives To evaluate cutaneous temperature of the lower limbs, as well as to verify its association with pressure pain thresholds in individuals with knee osteoarthritis. Material and methods This case series study was conducted with individuals of both genders aged 48–77 years with unilateral knee osteoarthritis. Volunteers underwent thermographic evaluation by an infrared sensor (FLIR T650SC). The anterior region of the thigh and leg and the knee area were evaluated. Pressure pain thresholds (PPT) were evaluated by algometry (Pain Diagnostics, Great Neck, USA) at the vastus medialis, vastus lateralis, rectus femoris, and patellar tendon. Data analysis was conducted with the statistical package SPSS v.24 for Windows. Comparisons between affected and unaffected sides were made by paired Student’s t-test or the Mann-Whitney U test, and associations between variables were assessed by Pearson or Spearman’s correlation coefficient. In all cases, the significance level was set at p ≤ 0.05. Results Eleven volunteers (63.1 ±9.5 years) participated in this study. When comparing cutaneous temperature, only the region of the knee showed a significant difference between sides (p = 0.02). There were no differences between affected and unaffected knees regarding pain tolerance (PPT) at all sites evaluated. There were also no significant associations between the study variables. Conclusions Individuals with knee osteoarthritis presented a higher temperature of the affected knee, but this was not associated with pressure pain thresholds.
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Central Sensitivity Is Associated with Poor Recovery of Pain: Prediction, Cluster, and Decision Tree Analyses. Pain Res Manag 2020; 2020:8844219. [PMID: 33178373 PMCID: PMC7647749 DOI: 10.1155/2020/8844219] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 10/05/2020] [Accepted: 10/20/2020] [Indexed: 01/05/2023]
Abstract
The process of pain recovery varies and can include the recovery, maintenance, or worsening of symptoms. Many cases of patients with pain show a tendency of recovering as predicted; however, some do not. The characteristics of cases that do not fit the prediction of pain recovery remain unclear. We performed cluster and decision tree analyses to reveal the characteristics in cases that do not fit the prediction of pain recovery. A total of 43 patients with musculoskeletal pain (nonoperative: 22 patients, operative: 13 patients) and central pain (brain disease: 5 patients, spinal cord disease: 3 patients) were included in this longitudinal study. Central sensitivity syndrome (CSS) outcome measures (Central Sensitisation Inventory), pain intensity-related outcome measures (Short-Form McGill Pain Questionnaire-2 (SFMPQ-2)), and cognitive-emotional outcome measures (Hospital Anxiety and Depression Scale and Pain Catastrophising Scale-4) of all patients were assessed at baseline and after 1-2 months. Regression analysis was used to calculate pain recovery prediction values. A hierarchical cluster analysis based on the predicted change of SFMPQ-2 and the observed change of SFMPQ-2 was used to extract subgroups that fit and those that do not fit pain recovery prediction. To extract the characteristics of subgroups that do not fit the prediction of pain recovery, a decision tree analysis was performed. The level of significance was set at 5%. In the results of cluster analysis, patients were classified into three subgroups. Cluster 1 was characterised by worse pain intensity from baseline, cluster 2 by pain, having recovered less and mildly than the predicted value, and Cluster 3 by a marked recovery of pain. In the results of the decision tree analysis, the CSI change was extracted as an indicator related to the classification of all clusters. Our findings suggest that the poor improvement of CSS is characteristic in cases that do not fit the prediction of pain recovery.
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Serrano-Ibáñez ER, Esteve R, Ramírez-Maestre C, Ruiz-Párraga GT, López-Martínez AE. Chronic pain in the time of COVID-19: Stress aftermath and central sensitization. Br J Health Psychol 2020; 26:544-552. [PMID: 33099793 DOI: 10.1111/bjhp.12483] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 10/05/2020] [Indexed: 02/05/2023]
Abstract
OBJECTIVES The COVID-19 crisis is a significant stressor worldwide. The physical and emotional condition of individuals with pain sensitization syndromes who are experiencing the pandemic may worsen. This study investigated the contribution of life changes due to the coronavirus to emotional distress in individuals with a diagnosis of chronic central sensitization pain and tested whether the associations between level of pain and sensitization were independent of or mediated by emotional distress. METHODS Spanish individuals with chronic pain (N = 362) completed an online survey on direct or indirect exposure to the consequences of COVID-19, pain intensity, and emotional distress. They also completed central sensitization questionnaires. RESULTS An association was found between changes in daily routines and pain intensity, emotional distress, and sensitization scores. Correlations were found between emotional distress, sensitization, and pain intensity. Significant predictors of emotional distress were age, difficulty in receiving medical care, changes in daily routines, and diminished social support. Emotional distress did not mediate the association between sensitization and pain intensity. CONCLUSION Due to the COVID-19 situation, individuals with central sensitization pain syndromes may be at higher risk of developing psychological distress. Interdisciplinary interventions involving psychologists are urgently needed to provide this population with appropriate health care.
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Affiliation(s)
- Elena R Serrano-Ibáñez
- Área de Psicología, Facultad de Ciencias de la Salud, Universidad Isabel I, Burgos, Spain.,Instituto de Investigación Biomédica de Málaga (IBIMA), Málaga, Spain
| | - Rosa Esteve
- Facultad de Psicología y Logopedia, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, Málaga, Spain
| | - Carmen Ramírez-Maestre
- Facultad de Psicología y Logopedia, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, Málaga, Spain
| | - Gema T Ruiz-Párraga
- Facultad de Psicología y Logopedia, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, Málaga, Spain
| | - Alicia E López-Martínez
- Facultad de Psicología y Logopedia, Instituto de Investigación Biomédica de Málaga (IBIMA), Universidad de Málaga, Málaga, Spain
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Feraco P, Nigro S, Passamonti L, Grecucci A, Caligiuri ME, Gagliardo C, Bacci A. Neurochemical Correlates of Brain Atrophy in Fibromyalgia Syndrome: A Magnetic Resonance Spectroscopy and Cortical Thickness Study. Brain Sci 2020; 10:brainsci10060395. [PMID: 32575715 PMCID: PMC7349375 DOI: 10.3390/brainsci10060395] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 06/17/2020] [Accepted: 06/18/2020] [Indexed: 12/22/2022] Open
Abstract
(1) Background: Recently, a series of clinical neuroimaging studies on fibromyalgia (FM) have shown a reduction in cortical volume and abnormally high glutamate (Glu) and glutamate + glutamine (Glx) levels in regions associated with pain modulation. However, it remains unclear whether the volumetric decreases and increased Glu levels in FM are related each other. We hypothesized that higher Glu levels are related to decreases in cortical thickness (CT) and volume in FM patients. (2) Methods: Twelve females with FM and 12 matched healthy controls participated in a session of combined 3.0 Tesla structural magnetic resonance imaging (MRI) and single-voxel MR spectroscopy focused on the thalami and ventrolateral prefrontal cortices (VLPFC). The thickness of the cortical and subcortical gray matter structures and the Glu/Cr and Glx/Cr ratios were estimated. Statistics included an independent t-test and Spearman’s test. (3) Results: The Glu/Cr ratio of the left VLPFC was negatively related to the CT of the left inferior frontal gyrus (pars opercularis (p = 0.01; r = −0.75) and triangularis (p = 0.01; r = −0.70)). Moreover, the Glx/Cr ratio of the left VLPFC was negatively related to the CT of the left middle anterior cingulate gyrus (p = 0.003; r = −0.81). Significantly lower CTs in FM were detected in subparts of the cingulate gyrus on both sides and in the right inferior occipital gyrus (p < 0.001). (4) Conclusions: Our findings are in line with previous observations that high glutamate levels can be related, in a concentration-dependent manner, to the morphological atrophy described in FM patients.
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Affiliation(s)
- Paola Feraco
- Neuroradiology Unit, S. Chiara Hospital, Largo Medaglie d’oro 9, 38122 Trento, Italy
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via San Giacomo 14, 40100 Bologna, Italy
- Correspondence: ; Tel.: +39-0461903543
| | - Salvatore Nigro
- Neuroscience Research Center, University “Magna Graecia” of Catanzaro, Viale Europa, 88100 Catanzaro, Italy; (S.N.); (M.E.C.)
| | - Luca Passamonti
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 1TN, UK;
- Istituto di Bioimmagini e Fisiologia Molecolare (IBFM), CNR, Via Fratelli Cervi, Segrate, 93-20090 Milan, Italy
| | - Alessandro Grecucci
- Department of Psychology and Cognitive Sciences, University of Trento, Corso Bettini, 84 I-38068 Rovereto, Italy;
| | - Maria Eugenia Caligiuri
- Neuroscience Research Center, University “Magna Graecia” of Catanzaro, Viale Europa, 88100 Catanzaro, Italy; (S.N.); (M.E.C.)
| | - Cesare Gagliardo
- Section of Radiological Sciences, Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, Via Del Vespro, 90127 Palermo, Italy;
| | - Antonella Bacci
- Neuroradiology Unit, IRCSS Istituto Delle Scienze Neurologiche di Bologna, Via Altura 3, 40100 Bologna, Italy;
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Mahgoub MY, Elnady BM, Abdelkader HS, Abdelhalem RA, Hassan WA. Comorbidity of Fibromyalgia in Primary Knee Osteoarthritis: Potential Impact on Functional Status and Quality of Life. Open Access Rheumatol 2020; 12:55-63. [PMID: 32440236 PMCID: PMC7212986 DOI: 10.2147/oarrr.s252748] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Accepted: 04/17/2020] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Knee osteoarthritis (OA) is a painful condition with peripheral and central pain transmission. Fibromyalgia (FM) is the role model of central sensitization of pain perception. AIM To assess the frequency of FM in knee OA patients and evaluate the impact of FM on mental health and the quality of life in knee OA patients. PATIENTS AND METHODS A total of 121 female patients were recruited and divided into 3 groups: group I of 59 patients with knee OA only, group II of 32 patients with knee OA and FM, and group III of 30 FM patients. Patients underwent history taking, examination, investigations, and radiological evaluation of both knees. The assessment of visual analog scale (VAS), Pittsburgh Sleep Quality Index (PSQI), Pain Anxiety Symptom Scale Short Form 20 (PASS20), Beck Depression Inventory (BDI-II), and PCASEE questionnaire were done for all patients. Lequesne index of knee OA and radiological Kellgren and Lawrence score severity were done for all OA patients. Fibromyalgia Impact Questionnaire (FIQ) was assessed for all FM patients. RESULTS FM was diagnosed in 35.5% of knee OA patients. Group II patients had higher VAS, PASS-20, PSQI, and lower quality of life than either groups I and III, elevated Lequesne index score than group I, significant correlation between VAS and BMI (p=0.002), Lequesne index score (p<0.001), PASS20 (p=0.006), BDI-II score (p=0.002), and FIQ (P<0.001), and a negative correlation was found between VAS and physical (p<0.001), anxiety (p=0.046), and social (p=0.026) QoL parameters. Univariable regression analysis showed a higher age, VAS, PSQI, PASS20, and FIQ were associated with lower QoL in group II. A higher PASS20 was the only predictor of lower QoL in multivariable analysis. CONCLUSION Fibromyalgia coexists frequently in knee OA patients and has implications on their mental health, functional activity, and quality of life.
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Affiliation(s)
- Marwa Yahia Mahgoub
- Rheumatology, Rehabilitation and Physical Medicine Department, Benha University, Benha, Egypt
| | - Basant Mohamed Elnady
- Rheumatology, Rehabilitation and Physical Medicine Department, Benha University, Benha, Egypt
| | | | | | - Waleed Ahmed Hassan
- Rheumatology, Rehabilitation and Physical Medicine Department, Benha University, Benha, Egypt
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Dashina TA, Agasarov LG. [Effectiveness of various methods of cryotherapy in patients with osteoarthritis]. VOPROSY KURORTOLOGII, FIZIOTERAPII, I LECHEBNOI FIZICHESKOI KULTURY 2020; 97:20-28. [PMID: 32356631 DOI: 10.17116/kurort20209702120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
UNLABELLED Aim of this study - the comparative effectiveness of cryotherapy (CT) with ice 0 °C, CT with ice 0 °C + SMC (cryo-SMC), air cryotherapy (ACT) -30 °C, hyperbaric gas cryotherapy (HC) CO2 -78 °C. MATERIAL AND METHODS We examined 150 patients with II - IV stage osteoarthritis of the knee and hip joints, movement pain of more than 40 mm on a VAS and Leken index more than 9. 120 of these patients received a course of CT of various temperatures and cryo-SMC for 2 weeks: 1st group (n=30) - CT of ice 0 °C; 2nd group (n=30) - cryo-SMC; 3rd group (n=30) - ACT; 4th group (n=30) - HC. The 5th group (control) included patients (n=30) who received only non-steroidal anti-inflammatory drugs (NSAIDs). We assessed dynamics of rest and movement pain according to VAS, the WOMAC index, the effectiveness according to the OMERACT-OARSI criterion and the need for NSAIDs. Effectiveness of treatment was evaluated by the patient and the doctor. RESULTS OMERACT-OARSI analysis demonstrated a high percentage of CT response. A statistically significant decrease in rest and movement pain intensity was registered in all patients of the groups: ice 0 °C, cryo-SMC, ACT, HC and control groups. The pain decreased by 82-83% in the groups 1-4, and by 70% in the control group. There were no differences in the effectiveness of treatment between groups 1, 3, and 4 and the cryo-SMC group; effectiveness of treatment was statistically significant (p<0.01) between groups 1-4 and the control group. A statistically significant decrease in the total WOMAC index, as well as in «pain» and «stiffness» VAS subscales (p<0.01) in the absence of intergroup differences in the 1st, 3rd, 4th groups and the cryo-SMC (p>0.05) group and a statistically significant difference between the 1st-4th groups and the control group (p<0.01). According to the «function» subscale of the WOMAC index, a statistically significant difference between all groups was not found (p>0.05). CONCLUSION Results of this study according to the OMERACT-OARSI effectiveness evaluation criteria indicate the comparability of CT as a treatment method with NSAID therapy in terms of the effect on improving the patient's functional capabilities and greater CT efficiency in relieving pain and stiffness in the joints.
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Affiliation(s)
- T A Dashina
- Central Production and Commercial Department for the Service of the Diplomatic Corps under the Ministry of Foreign Affairs of the Russian Federation (Medical Center), Moscow, Russia
| | - L G Agasarov
- I.M. Sechenov First Moscow State Medical University of the Ministry of Health of Russia (Sechenov University), Moscow, Russia
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Karateev AE, Lila AM, Zagorodni NV, Pogozheva EY. [Damage to periarticular soft tissues in real clinical practice: frequency, nature, effectiveness of non - steroidal anti - inflammatory drugs]. TERAPEVT ARKH 2019; 91:21-28. [PMID: 32598585 DOI: 10.26442/00403660.2019.12.000377] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Indexed: 11/22/2022]
Abstract
Damage to periarticular soft tissues is a common pathology that causes severe pain and impaired function of the musculoskeletal system. AIM To determine the frequency, nature and clinical features of damage to periarticular soft tissues in real clinical practice, as well as the effectiveness of non - steroidal anti - inflammatory drugs (NSAIDs) in the debut of treatment of this pathology. MATERIALS AND METHODS During the observational study, the frequency of defeat of the periarticular soft tissues in the structure of visits to 68 outpatient orthopedic surgeons in different cities of Russia for 1 month was estimated. Assessed the nature and dynamics of clinical manifestations during treatment in 1227 patients with defeat of the periarticular soft tissues. NSAIDs, mainly the original meloxicam, were used as a "first line" treatment for damage of the periarticular soft tissues. The results of treatment were evaluated after 10-14 days at a repeat visit of patients. RESULTS The proportion of patients with damage of the periarticular soft tissues was 15.8% of the total number of people who applied for outpatient care. Among 1227 patients (men 57.5%, average age 51.3±15.5 years) who were observed in the dynamics, prevailed were those with damage of the periarticular soft tissues of the knee joint area (knee joint enthesopathy, prepatellar bursitis, tendonitis/ bursitis of the goose foot area) - 21.2%, feet (plantar fasciitis, calcaneal spur) - 16.9%, shoulder (tendonitis of the muscles of the shoulder rotators) - 16.4% and the elbow (lateral and medial epicondylitis) - 15.3%. During treatment, there was a significant decrease in the total severity of pain - from 6.58±1.61 to 2.48±1.60 points on an 11-point numerical rating scale (p.
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Affiliation(s)
| | - A M Lila
- Nasonova Research Institute of Rheumatology
| | - N V Zagorodni
- Priorov National Medical Research Center of Traumatology and Orthopedics
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Bergman S, Thorstensson C, Andersson MLE. Chronic widespread pain and its associations with quality of life and function at a 20- year follow-up of individuals with chronic knee pain at inclusion. BMC Musculoskelet Disord 2019; 20:592. [PMID: 31818282 PMCID: PMC6902450 DOI: 10.1186/s12891-019-2976-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 11/28/2019] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE To study the prevalence of chronic widespread pain (CWP) and chronic regional pain (CRP), and their association to quality of life, pain, physical function at a 20-year follow-up in a population based cohort with chronic knee pain at inclusion. METHODS 121 individuals (45% women, mean age 64 years, range 54-73) with chronic knee pain from a population-based cohort study, answered a questionnaire and had radiographic knee examination at a 20-year follow-up. The responders were divided into three groups according to reported pain; individuals having no chronic pain (NCP), chronic widespread pain (CWP) and chronic regional pain (CRP). Pain and physical function were assessed using Knee injury and Osteoarthritis Outcome Score (KOOS). Health related quality of life (HRQL) was assessed with Euroqol-5D-3 L (EQ5D) and Short form 36 (SF36). The associations between pain groups and KOOS, EQ5D, and SF36 were analysed by multiple logistic regression, controlled for age, gender and radiographic changes indicating knee osteoarthritis (OA). RESULTS The prevalence of CWP was 30%, and CWP was associated to worse scores in all KOOS subscales, controlled for age, gender and radiographic changes. CWP was also associated to worse scores in EQ-5D and in seven of the SF-36 subgroups, controlled for age, gender and radiographic changes. CONCLUSION One third of individuals with chronic knee pain met the criteria for CWP. CWP was associated with patient reported pain, function and HRQL. This suggest that it is important to assess CWP in the evaluation of patients with chronic knee pain, with and without radiographic knee OA.
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Affiliation(s)
- Stefan Bergman
- Primary Health Care Unit, Department of Public Health and Community Medicine, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Department of Clinical Sciences, Rheumatology, Lund University, Lund, Sweden
- Spenshult Research and Development Center, Bäckagårdsvägen 47, SE-302 74, Halmstad, Sweden
| | - Carina Thorstensson
- Spenshult Research and Development Center, Bäckagårdsvägen 47, SE-302 74, Halmstad, Sweden
- Department of Clinical Neuroscience and RehabilitationThe Sahlgrenska Academy, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
| | - Maria L E Andersson
- Department of Clinical Sciences, Rheumatology, Lund University, Lund, Sweden.
- Spenshult Research and Development Center, Bäckagårdsvägen 47, SE-302 74, Halmstad, Sweden.
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Cristina de Oliveira N, Alfieri FM, Lima ARS, Portes LA. Lifestyle and Pain in Women With Knee Osteoarthritis. Am J Lifestyle Med 2019; 13:606-610. [PMID: 31662727 PMCID: PMC6796231 DOI: 10.1177/1559827617722112] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 06/28/2017] [Accepted: 07/03/2017] [Indexed: 11/17/2022] Open
Abstract
Osteoarthritis (OA) is the main cause of pain and disability in the elderly. The disease leads to chronic musculoskeletal pain, characterized by an abnormal excitability of pain conduction pathways, and lifestyle may interfere in this pathophysiological aspect. Thus, the aim of this study was to compare perceived pain, pressure pain threshold, and lifestyle of adult and elderly women with and without knee OA. A total of 143 women were recruited and divided into 2 groups: OA (n = 68) and control (n = 75). Volunteers were evaluated for pressure pain tolerance (algometry in vastus medialis and vastus lateralis muscles), perceived pain (visual analogue scale) and lifestyle (FANTASTIC questionnaire). Patients with OA of the present study presented higher weight (P = .001) and body mass index (P < .001) than controls. Results also revealed less tolerance to pressure pain (P < .001) and higher pain perception (P < .001) in patients with OA. OA group scored significantly lower in lifestyle questionnaire than controls (P = .03). Patients with OA in the present study who presented lifestyle scores below median presented significantly higher values of pain perception than the ones above it (P = .03). In conclusion, patients with OA present more sensitivity to pain, more perceived pain, and worse lifestyle than healthy individuals.
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Gumaa M, Rehan Youssef A. Is Virtual Reality Effective in Orthopedic Rehabilitation? A Systematic Review and Meta-Analysis. Phys Ther 2019; 99:1304-1325. [PMID: 31343702 DOI: 10.1093/ptj/pzz093] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 12/04/2018] [Accepted: 03/08/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Virtual reality (VR) is an interactive technology that allows customized treatment and may help in delivering effective person-centered rehabilitation. PURPOSE The purpose of this review was to systematically review and critically appraise the controlled clinical trials that investigated VR effectiveness in orthopedic rehabilitation. DATA SOURCES Pubmed, CINAHL, Embase, PEDro, REHABDATA, and Sage publications were searched up to September 2018. In addition, manual searching and snowballing using Scopus and Web of Science were done. STUDY SELECTION Two reviewers screened studies for eligibility first by title and abstract and then full text. DATA EXTRACTION Articles were categorized into general or region-specific (upper limbs, lower limbs, and spine) orthopedic disorders. Study quality was assessed using the Evaluation Guidelines for Rating the Quality of an Intervention Study scoring. Meta-analysis quantified VR effectiveness, compared with no treatment, in back pain. DATA SYNTHESIS Nineteen studies were included in the quality assessment. The majority of the studies were of moderate quality. Fourteen studies showed that VR did not differ compared with exercises. Compared with the no-treatment control, 5 studies favored VR and 3 other studies showed no differences. For low back pain, the meta-analysis revealed no significant difference between VR and no-treatment control (n = 116; standardized mean difference = -0.21; 95% confidence interval = -0.58 to 0.15). LIMITATIONS Limitations included heterogeneity in interventions and the outcome measures of reviewed studies. Only articles in English were included. CONCLUSION The evidence of VR effectiveness is promising in chronic neck pain and shoulder impingement syndrome. VR and exercises have similar effects in rheumatoid arthritis, knee arthritis, ankle instability, and post-anterior cruciate reconstruction. For fibromyalgia and back pain, as well as after knee arthroplasty, the evidence of VR effectiveness compared with exercise is absent or inconclusive.
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Affiliation(s)
- Mohammed Gumaa
- Department of Physical Therapy for Musculoskeletal Disorders and Its Surgery, Cairo University, Cairo, Egypt
| | - Aliaa Rehan Youssef
- Department of Physical Therapy for Musculoskeletal Disorders and Its Surgery, Cairo University, 24 Mohammed Korium St, 6th District, Nasr City, Cairo, Egypt
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Ince B, Yıldırım MEC, Kilinc I, Oltulu P, Dadaci M. Investigation of the Development of Hypersensitivity and Hyperalgesia After Repeated Application of Platelet-Rich Plasma in Rats: An Experimental Study. Aesthet Surg J 2019; 39:1139-1145. [PMID: 31152170 DOI: 10.1093/asj/sjz113] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Hyperalgesia, defined as hypersensitivity to pain, refers to sensitization of nociceptors to normal levels of pain. OBJECTIVES We aimed to determine whether hyperalgesia occurs due to the development of sensitization following repeated applications of platelet-rich plasma (PRP), and to ascertain the mechanism responsible for inducing hyperalgesia. METHODS This study, performed between 2016 and 2017, involved 32 rats. A 2 cm × 2 cm area was shaved on the back of 10 experimental and 10 sham control animals. In the experimental animals this area was divided into 4 equal squares of 1 cm × 1 cm, and these squares were numbered 1 (no treatment; only the needle was inserted), 2 (0.2 mL, saline), 3 (0.2 mL, nonactivated PRP), and 4 (0.2 mL, activated PRP). The response of the animals to painful stimuli in these areas was investigated with Von Frey filaments, immediately before application and 4 weeks after the last application. Skin biopsies were taken, and growth factors were evaluated pathologically and biochemically. RESULTS Hyperalgesia developed in all 4 areas of each experimental rat but not in the sham group. However, areas 3 and 4 had smaller Von Frey g values than areas 1 and 2. When growth hormones were assessed histopathologically and biochemically, nerve growth factor (NGF) levels were found to be higher in areas 3 and 4 than in areas 1 and 2 and the sham group. CONCLUSIONS Both nonactivated and activated PRP resulted in greater hypersensitivity than saline and sham treatment. Development of hyperalgesia may be associated with an increase in NGF as well as increased inflammatory mediators.
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Affiliation(s)
- Bilsev Ince
- Department of Plastic, Reconstructive, and Aesthetic Surgery and the Department of Biochemistry, School of Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Mehmet Emin Cem Yıldırım
- Department of Plastic, Reconstructive, and Aesthetic Surgery and the Department of Biochemistry, School of Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Ibrahim Kilinc
- Department of Plastic, Reconstructive, and Aesthetic Surgery and the Department of Biochemistry, School of Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Pembe Oltulu
- Department of Plastic, Reconstructive, and Aesthetic Surgery and the Department of Biochemistry, School of Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Mehmet Dadaci
- Department of Plastic, Reconstructive, and Aesthetic Surgery and the Department of Biochemistry, School of Medicine, Necmettin Erbakan University, Konya, Turkey
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Superficial temperature and pain tolerance in patients with chronic low back pain. J Bodyw Mov Ther 2019; 23:583-587. [DOI: 10.1016/j.jbmt.2019.05.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 05/04/2019] [Indexed: 11/20/2022]
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Mibu A, Nishigami T, Tanaka K, Manfuku M, Yono S. Difference in the impact of central sensitization on pain-related symptoms between patients with chronic low back pain and knee osteoarthritis. J Pain Res 2019; 12:1757-1765. [PMID: 31213887 PMCID: PMC6549789 DOI: 10.2147/jpr.s200723] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 04/23/2019] [Indexed: 12/30/2022] Open
Abstract
Purpose: The aims of the present study were to investigate whether the association between the Central Sensitization Inventory (CSI) score, pain-related symptoms, pain-related disability, and health-related quality of life differed by disease (chronic low back pain [CLBP] vs knee osteoarthritis [KOA]), and to determine optimal cutoff scores for the CSI reflecting disease-specific characteristics. Patients and methods: A total of 104 patients with CLBP and 50 patients with KOA were recruited. Central sensitization-related symptoms (CSI), EuroQol 5-dimension (EQ-5D), Brief Pain Inventory, widespread pain (Widespread Pain Index [WPI]), pressure pain threshold (PPT), and temporal summation (TS) were assessed and compared between the CLBP and KOA groups. Univariate correlation analysis was performed in each group. The receiver operating characteristic (ROC) curve analysis was performed to identify 1) presence/absence of central sensitization (CS), 2) presence/absence of central sensitivity syndromes (CSSs), and 3) pain intensity and pain interference in each group. Results: The CSI and WPI scores were significantly higher in the CLBP group than in the KOA group. EQ-5D and pain interference scores significantly correlated with the CSI score in both the CLBP and KOA groups. The WPI score, PPT, and TS did not correlate with the CSI score in either the CLBP or KOA group. The suggested cutoff scores were 28 in the CLBP group and 17 in the KOA group to identify presence or absence of CSSs, and 34 in the CLBP group and 18–19 in the KOA group to identify pain severity. Conclusion: The impact of CS on pain could differ between CLBP and KOA and that cutoff scores differ by each parameter we attempted to identify. Therefore, we should use the appropriate cutoff scores for the purposes and consider the difference in the impact of CS on pain by the patient group.
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Affiliation(s)
- Akira Mibu
- Department of Nursing and Physical Therapy, Konan Women's University, Kobe, Hyogo, Japan
| | - Tomohiko Nishigami
- Department of Nursing and Physical Therapy, Konan Women's University, Kobe, Hyogo, Japan
| | | | - Masahiro Manfuku
- Department of Rehabilitation, Breast Care Sensyu Clinic, Kishiwada, Osaka, Japan
| | - Satoko Yono
- Department of Rehabilitation, Tanabe Orthopaedics, Osaka, Japan
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The Mediating Effect of Central Sensitization on the Relation between Pain Intensity and Psychological Factors: A Cross-Sectional Study with Mediation Analysis. Pain Res Manag 2019; 2019:3916135. [PMID: 31089402 PMCID: PMC6476126 DOI: 10.1155/2019/3916135] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 02/14/2019] [Accepted: 03/24/2019] [Indexed: 11/18/2022]
Abstract
Background Central sensitization (CS) and psychological factors are associated with pain intensity; however, the mediating role of CS on the relation between psychological factors and pain intensity remains unclear. Objectives We performed mediation analysis to investigate how CS mediates relation between psychological factors and pain intensity. Methods Twenty patients with musculoskeletal pain were included in this cross-sectional study. Central sensitization inventory (CSI), one pain intensity-related outcome measure (Short-Form McGill Pain Questionnaire 2 (SFMPQ2)), and three psychological outcome measures (Hospital Anxiety and Depression Scale (HADS), Pain Catastrophizing Scale-4 (PCS), and Tampa Scale for Kinesiophobia-11 (TSK)) of all participants were assessed. The mediation analysis with a bootstrap sampling procedure was used to assess the indirect effects. The level of significance was set at 5%. Results Mediation analysis showed that the HADS-anxiety, HADS-depression, and PCS had significant indirect effects on the pain ratings of CSI. Additionally, the direct effect was significant only for PCS. Conclusions The relationship among anxiety symptoms, depression symptoms, and pain intensity was completely mediated by CS. Furthermore, the relationship between catastrophic thinking and pain intensity was partially mediated by CS. Our findings suggest that CS mediates relation between psychological factors and pain intensity, and CS-focused intervention may be important.
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den Boer C, Dries L, Terluin B, van der Wouden JC, Blankenstein AH, van Wilgen CP, Lucassen P, van der Horst HE. Central sensitization in chronic pain and medically unexplained symptom research: A systematic review of definitions, operationalizations and measurement instruments. J Psychosom Res 2019; 117:32-40. [PMID: 30665594 DOI: 10.1016/j.jpsychores.2018.12.010] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 12/05/2018] [Accepted: 12/21/2018] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Central sensitization (CS), a mechanism explaining the persistence of symptoms, has been the focus of many research projects. Explanations given to patients with chronic pain are often based on this mechanism. It is hypothesized that CS also plays an important role in the persistence of medically unexplained symptoms (MUS). However, definitions and operationalizations of CS vary. We conducted a systematic review of definitions, operationalizations and measurement instruments of CS. METHODS We searched in PubMed, EMBASE, PsycINFO, Cinahl and The Cochrane Library till September 2017 and included papers that addressed CS in relation to chronic pain and/or MUS. Two reviewers independently selected, analysed and classified information from the selected publications. We performed a thematic analysis of definitions and operationalizations. We listed the measurement instruments. RESULTS We included 126 publications, 79 publications concerned chronic pain, 47 publications concerned MUS. Definitions of CS consistently encompass the theme hyperexcitability of the central nervous system (CNS). Additional themes are variably present: CNS locations, nature of sensory input, reduced inhibition and activation and modulation of the NDMA receptor. Hyperalgesia and allodynia are widely mentioned as operationalizations of CS. Quantitative sensory testing (QST) and (f)MRI are the most reported measurement instruments. CONCLUSIONS There is consensus that hyperexcitability is the central mechanism of CS. Operationalizations are based on this mechanism and additional components. There are many measurement instruments available, whose clinical value has still to be determined. There were no systematic differences in definitions and operationalizations between the publications addressing MUS and those addressing chronic pain.
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Affiliation(s)
- Carine den Boer
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of general practice and elderly care medicine, Amsterdam Public Health research institute, the Netherlands.
| | - Linne Dries
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of general practice and elderly care medicine, Amsterdam Public Health research institute, the Netherlands
| | - Berend Terluin
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of general practice and elderly care medicine, Amsterdam Public Health research institute, the Netherlands
| | - Johannes C van der Wouden
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of general practice and elderly care medicine, Amsterdam Public Health research institute, the Netherlands
| | - Annette H Blankenstein
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of general practice and elderly care medicine, Amsterdam Public Health research institute, the Netherlands
| | - C Paul van Wilgen
- Transcare, transdisciplinary pain management centre, Groningen, the Netherlands; Pain in Motion International Research Group, Department of Physiotherapy, Physiology and Anatomy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Peter Lucassen
- Radboud University Medical Center, Radboud Institute for Health Sciences, Department of Primary and Community care, Nijmegen, the Netherlands
| | - Henriëtte E van der Horst
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of general practice and elderly care medicine, Amsterdam Public Health research institute, the Netherlands
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Ho KKN, Ferreira PH, Pinheiro MB, Aquino Silva D, Miller CB, Grunstein R, Simic M. Sleep interventions for osteoarthritis and spinal pain: a systematic review and meta-analysis of randomized controlled trials. Osteoarthritis Cartilage 2019; 27:196-218. [PMID: 30342087 DOI: 10.1016/j.joca.2018.09.014] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 09/11/2018] [Accepted: 09/24/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVES To determine if sleep interventions improve pain and sleep in people with osteoarthritis (OA) and/or spinal pain compared to control/placebo. DESIGN Medline, Embase, AMED, PsycINFO, CENTRAL, CINAHL and PEDro were searched from their inception date to July 2017. Keywords relating to "sleep", "OA", "spinal pain", and "randomized controlled trial (RCT)" were combined. Included RCTs investigated the use of sleep interventions for people with OA and/or spinal pain, and measured at least one sleep and health related outcome. Meta-analyses were performed to pool mean differences for pain and sleep quality. PROSPERO CRD42016036315. RESULTS Of 1445 unique records, 24 studies were included. Sixteen studies included participants with spinal pain, seven with OA, and one included a mixed population. Sleep interventions included established sleep interventions (ESI) [cognitive behavioural therapy (CBT) and pharmacological interventions], and a range of others. Intervention periods ranged from 4 to 10 weeks. Thirteen studies were of moderate to high quality (PEDro ≥ 6/10). Due to high heterogeneity between studies we also performed sub-group and sensitivity analyses. ESI decreased Insomnia Severity Index (ISI) for people with low back pain (LBP) (pooled mean difference: -6.78/28, 95% confidence interval (95% CI): [-9.47, -4.09], I2 = 40%) and OA (-2.41, [-4.19, -0.63], 0%). However ESI decreased pain for people with LBP (pooled mean difference: visual analogue scale (VAS) -12.77/100, 95% CI: [-17.57, -7.97], I2 = 0%), but not OA (-2.32, [-7.18, 2.54], 27%). CONCLUSION ESI appeared to improve sleep and pain for people with LBP, and sleep for people with OA. However more vigorous studies need to be conducted.
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Affiliation(s)
- K K N Ho
- The University of Sydney, Musculoskeletal Research Group, Faculty of Health Sciences, 75 East St, Lidcombe, Sydney, 2141 NSW, Australia.
| | - P H Ferreira
- The University of Sydney, Musculoskeletal Research Group, Faculty of Health Sciences, 75 East St, Lidcombe, Sydney, 2141 NSW, Australia.
| | - M B Pinheiro
- The University of Sydney, Musculoskeletal Research Group, Faculty of Health Sciences, 75 East St, Lidcombe, Sydney, 2141 NSW, Australia.
| | - D Aquino Silva
- Universidade Federal de Minas Gerais, Departamento de Fisioterapia, Av. Pres. Antônio Carlos, 6627 Pampulha, Belo Horizonte, MG, Brazil.
| | - C B Miller
- CIRUS, Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, University of Sydney and Sydney Health Partners, 431 Glebe Point Road, Sydney, 2037 NSW, Australia.
| | - R Grunstein
- CIRUS, Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, University of Sydney and Sydney Health Partners, 431 Glebe Point Road, Sydney, 2037 NSW, Australia.
| | - M Simic
- The University of Sydney, Musculoskeletal Research Group, Faculty of Health Sciences, 75 East St, Lidcombe, Sydney, 2141 NSW, Australia.
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45
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van Bemmel PF, Voshaar MAO, Klooster PMT, Vonkeman HE, van de Laar MA. Development and preliminary evaluation of a short self-report measure of generalized pain hypersensitivity. J Pain Res 2019; 12:395-404. [PMID: 30705605 PMCID: PMC6342225 DOI: 10.2147/jpr.s182287] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Purpose Generalized pain hypersensitivity is frequently observed in chronic pain conditions. Currently, identification is based on expert clinical opinion, and in very few cases combined with quantitative sensory testing. The objectives of this study were to develop and evaluate a short self-report measure of generalized pain hypersensitivity: a generalized pain questionnaire (GPQ). Methods Items for the GPQ were developed based on a literature review, followed by an interview study with ten rheumatic patients with suspected pain hypersensitivity. We examined the psychometric properties of the preliminary items in a sample of 212 outpatients suffering from either fibromyalgia (FM; n=98) or rheumatoid arthritis (n=114). Additionally, self-reported data were gathered on sociodemographics, fibromyalgia-survey criteria, health status, and neuropathic-like pain features. Results Mokken-scale analyses demonstrated a unidimensional seven-item scale with strong homogeneity (H=0.65) and high reliability (r=0.90). Correlations between total GPQ scores and relevant external measures, such as the FM-survey criteria and neuropathic-like pain features, were consistent with a priori expectations, supporting its external construct validity. Furthermore, the GPQ had good accuracy in distinguishing between patients with FM (generally assumed to be the result of central nervous system hypersensitization) and patients with RA (assumed to result mostly in local nociceptive or inflammatory pain), with an area under the receiver-operating characteristic curve of 0.89. A cutoff value >10 had the highest combination of sensitivity (82.7%) and specificity (77.2%). Conclusion The GPQ is psychometrically sound and appears promising for measuring the presence and severity of generalized pain hypersensitivity in chronic pain patients.
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Affiliation(s)
- Peter F van Bemmel
- Department of Rheumatology, Medisch Spectrum Twente, Enschede, Netherlands
| | - Martijn Ah Oude Voshaar
- Department of Psychology, Health, and Technology, University of Twente, Enschede, Netherlands,
| | - Peter M Ten Klooster
- Department of Psychology, Health, and Technology, University of Twente, Enschede, Netherlands,
| | - Harald E Vonkeman
- Department of Rheumatology, Medisch Spectrum Twente, Enschede, Netherlands.,Department of Psychology, Health, and Technology, University of Twente, Enschede, Netherlands,
| | - Mart Afj van de Laar
- Department of Rheumatology, Medisch Spectrum Twente, Enschede, Netherlands.,Department of Psychology, Health, and Technology, University of Twente, Enschede, Netherlands,
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Sarmanova A, Fernandes GS, Richardson H, Valdes AM, Walsh DA, Zhang W, Doherty M. Contribution of central and peripheral risk factors to prevalence, incidence and progression of knee pain: a community-based cohort study. Osteoarthritis Cartilage 2018; 26:1461-1473. [PMID: 30099115 PMCID: PMC6215758 DOI: 10.1016/j.joca.2018.07.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 06/25/2018] [Accepted: 07/26/2018] [Indexed: 02/02/2023]
Abstract
AIM To explore risk factors that may influence knee pain (KP) through central or peripheral mechanisms. METHODS A questionnaire-based prospective community cohort study with KP defined as pain in or around a knee on most days for at least a month. Baseline prevalence, and one year incidence and progression (KP worsening) were examined. Central (e.g., Pain Catastrophizing Scale (PCS)) and peripheral (e.g., significant injury) risk factors were examined. Adjusted odds ratio (OR) and 95% confidence interval (CI) were calculated using logistic regression. Proportional risk contribution (PRC) was estimated using receiver-operator-characteristic (ROC) analysis. RESULTS Of 9506 baseline participants, 4288 (45%) had KP (men 1826; women, 2462). KP incidence was 12% (men 11%, women 13%), and KP progression 19% (men 16%, women 21%) at one year. While both central and peripheral factors contributed to prevalence, central factors contributed more to progression, and peripheral factors more to incidence of KP. For example, although PCS (OR 2.06, 95% CI 1.88-2.25) and injury (5.62, 4.92-6.42) associated with KP prevalence, PCS associated with progression (2.27, 1.83-2.83) but not incidence (1.14, 0.86-1.52), whereas injury more strongly associated with incidence (69.27, 24.15-198.7) than progression (2.52, 1.48-4.30). The PRC of central and peripheral factors were 19% and 23% for prevalence, 14% and 29% for incidence, and 29% and 5% for progression, respectively. CONCLUSIONS Both central and peripheral risk factors influence KP but relative contributions may differ in terms of development (mainly peripheral) and progression (mainly central). Further study of such relative contributions may inform primary and secondary prevention strategies.
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Affiliation(s)
- A Sarmanova
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, UK; Arthritis Research UK Pain Centre, NIHR Nottingham BRC, Nottingham, UK.
| | - G S Fernandes
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, UK; Arthritis Research UK Pain Centre, NIHR Nottingham BRC, Nottingham, UK; Arthritis Research UK Centre for Sports, Exercise and Osteoarthritis, Nottingham, UK.
| | - H Richardson
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, UK.
| | - A M Valdes
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, UK; Arthritis Research UK Pain Centre, NIHR Nottingham BRC, Nottingham, UK.
| | - D A Walsh
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, UK; Arthritis Research UK Pain Centre, NIHR Nottingham BRC, Nottingham, UK; Arthritis Research UK Centre for Sports, Exercise and Osteoarthritis, Nottingham, UK.
| | - W Zhang
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, UK; Arthritis Research UK Pain Centre, NIHR Nottingham BRC, Nottingham, UK; Arthritis Research UK Centre for Sports, Exercise and Osteoarthritis, Nottingham, UK.
| | - M Doherty
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, UK; Arthritis Research UK Pain Centre, NIHR Nottingham BRC, Nottingham, UK; Arthritis Research UK Centre for Sports, Exercise and Osteoarthritis, Nottingham, UK.
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47
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Innes KE, Selfe TK, Kandati S, Wen S, Huysmans Z. Effects of Mantra Meditation versus Music Listening on Knee Pain, Function, and Related Outcomes in Older Adults with Knee Osteoarthritis: An Exploratory Randomized Clinical Trial (RCT). EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2018; 2018:7683897. [PMID: 30245732 PMCID: PMC6136530 DOI: 10.1155/2018/7683897] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 07/31/2018] [Accepted: 08/08/2018] [Indexed: 12/27/2022]
Abstract
OBJECTIVE Disease-modifying treatments for OA remain elusive, and commonly used medications can have serious side effects. Although meditation and music listening (ML) have been shown to improve outcomes in certain chronic pain populations, research in OA is sparse. In this pilot RCT, we explore the effects of two mind-body practices, mantra meditation (MM) and ML, on knee pain, function, and related outcomes in adults with knee OA. METHODS Twenty-two older ambulatory adults diagnosed with knee OA were randomized to a MM (N=11) or ML program (N=11) and asked to practice 15-20 minutes, twice daily for 8 weeks. Core outcomes included knee pain (Knee Injury and Osteoarthritis Outcome Score [KOOS] and Numeric Rating Scale), knee function (KOOS), and perceived OA severity (Patient Global Assessment). Additional outcomes included perceived stress (Perceived Stress Scale), mood (Profile of Mood States), sleep (Pittsburgh Sleep Quality Index), and health-related quality of life (QOL, SF-36). Participants were assessed at baseline and following completion of the program. RESULTS Twenty participants (91%) completed the study (9 MM, 11 ML). Compliance was excellent; participants completed an average of 12.1±0.83 sessions/week. Relative to baseline, participants in both groups demonstrated improvement post-intervention in all core outcomes, including knee pain, function, and perceived OA severity, as well as improvement in mood, perceived stress, and QOL (Physical Health) (p's≤0.05). Relative to ML, the MM group showed greater improvements in overall mood and sleep (p's≤0.04), QOL-Mental Health (p<0.07), kinesiophobia (p=0.09), and two domains of the KOOS (p's<0.09). CONCLUSIONS Findings of this exploratory RCT suggest that a simple MM and, possibly, ML program may be effective in reducing knee pain and dysfunction, decreasing stress, and improving mood, sleep, and QOL in adults with knee OA.
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Affiliation(s)
- Kim E. Innes
- Department of Epidemiology, School of Public Health, West Virginia University, Morgantown, WV, USA
| | - Terry Kit Selfe
- Department of Biomedical and Health Information Services, Health Science Center Libraries, University of Florida, Gainesville, FL, USA
| | - Sahiti Kandati
- Department of Epidemiology, School of Public Health, West Virginia University, Morgantown, WV, USA
- School of Dentistry, SUNY-Buffalo, Buffalo, NY, USA
| | - Sijin Wen
- Department of Biostatistics, School of Public Health, West Virginia University, Morgantown, WV, USA
| | - Zenzi Huysmans
- College of Physical Activity and Sport Sciences, West Virginia University, Morgantown, WV, USA
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48
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Dua AB, Neogi T, Mikolaitis RA, Block JA, Shakoor N. Somatosensation in OA: exploring the relationships of pain sensitization, vibratory perception and spontaneous pain. BMC Musculoskelet Disord 2018; 19:307. [PMID: 30144797 PMCID: PMC6109299 DOI: 10.1186/s12891-018-2206-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 07/20/2018] [Indexed: 12/13/2022] Open
Abstract
Background Pain in osteoarthritis (OA) remains poorly understood. Different types of somatosensory alterations exist in OA including hyperesthesia and increased sensitivity to painful stimuli as well as those of decreased sensitivity to cutaneous stimuli including vibratory perception threshold. The relationship between these different somatosensory measures has not been previously evaluated in OA. In this observational study, we evaluated relationships between vibratory perception (VPT), pressure pain detection thresholds (PPT), allodynia and subjective pain in knee OA. Methods Forty-two persons with moderate to severe knee OA and 12 controls without OA were evaluated. VPT was measured using a biothesiometer. Allodynia was measured by application of a 60 g Von Frey monofilament repeatedly to predetermined sites. PPTs were measured using a pressure algometer. Results Increased vibratory acuity was associated with lower PPTs and presence of allodynia. Allodynia was more common in OA than controls (54.8% vs 16.6%, p = 0.024 in the ipsilateral knee, and 42.9% vs 0%, p = 0.005 in the contralateral knee). OA participants with allodynia had lower PPTs than those without allodynia. In those with OA, spontaneous knee pain was associated with lower PPTs and with allodynia. Conclusion This study confirms the presence of somatosensory alterations in OA. Sensory alterations (vibratory perception) were shown to be related to nociceptive alterations (sensitization) in OA, showing a general increased sensitivity to cutaneous mechanical stimulation. Understanding these relationships is an important step in delineating the complicated pathophysiology of pain processing in OA.
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Affiliation(s)
- Anisha B Dua
- Section of Rheumatology, University of Chicago, 5841 S Maryland Ave, MC0930, Chicago, IL, 60637, USA.
| | - Tuhina Neogi
- Section of Rheumatology, University of Chicago, 5841 S Maryland Ave, MC0930, Chicago, IL, 60637, USA.,Section of Clinical Epidemiology Research and Training Unit, Boston University School of Medicine, Boston, MA, USA
| | | | - Joel A Block
- Division of Rheumatology, Rush Medical College, Chicago, IL, USA
| | - Najia Shakoor
- Division of Rheumatology, Rush Medical College, Chicago, IL, USA
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49
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Cognitive deficits in fibromyalgia syndrome are associated with pain responses to low intensity pressure stimulation. PLoS One 2018; 13:e0201488. [PMID: 30067829 PMCID: PMC6070250 DOI: 10.1371/journal.pone.0201488] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 07/15/2018] [Indexed: 11/19/2022] Open
Abstract
Background Fibromyalgia syndrome (FMS) is a chronic disorder characterized by widespread musculoskeletal pain and diffuse tenderness, accompanied by complaints including morning stiffness, fatigue, insomnia and affective symptoms. In addition, affected patients frequently experience cognitive impairments such as concentration difficulties, forgetfulness or problems in planning and decision-making. These deficits are commonly ascribed to interference between nociceptive and cognitive processing. Method The present study investigated the association of cognitive performance with (a) pain responses to low intensity pressure stimulation (0.45–2.25 kg/cm2), (b) responses to stronger (above-threshold) stimulation (2.70 kg/cm2), and (c) pain threshold and tolerance in 42 women with FMS. Tests of attention, memory, processing speed, and executive functions were applied. Results While no significant correlations were seen for pain threshold and pain tolerance, inverse associations arose between pain intensity ratings during pressure stimulation and performance in all evaluated cognitive domains. The magnitude of the correlations increased with decreasing stimulus intensity. Conclusions It may be concluded that pain experience during somatosensory stimulation of low intensity is more closely related to attention, memory and executive functions in FMS than the traditional measures of pain threshold and pain tolerance. Considering that pain responses to low intensity stimulation reflect the hyperalgesia and allodynia phenomena characterizing FMS, it may be hypothesized that central nervous pain sensitization is involved in cognitive impairments in the disorder.
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50
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Alkhudhairy MW, Al Ramel F, Al Jader G, Al Saegh L, Al Hadad A, Alalwan T, Al Shaikh D, Al Bandar M. A Self-Reported Association between Temporomandibular Joint Disorders, Headaches, and Stress. J Int Soc Prev Community Dent 2018; 8:371-380. [PMID: 30123773 PMCID: PMC6071353 DOI: 10.4103/jispcd.jispcd_177_18] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 05/30/2018] [Indexed: 12/15/2022] Open
Abstract
AIMS AND OBJECTIVES Temporomandibular joint disorder (TMD) is an umbrella term for a number of conditions in the area of the joint, temple, and masticatory system. Many of those with TMD also suffer from headaches and anxiety. The aims and objectives of this study were to determine if there exists an association between the Diagnostic Criteria of TMD (DC/TMD) symptom questionnaire and report of headaches as well as stress. MATERIALS AND METHODS A cross-sectional study was implemented via the use of the DC/TMD symptom questionnaire and the perceived stress scale (PSS). This was distributed conveniently among dental students in a multi-dental school setting in Riyadh, Saudi Arabia, and was completed by 152 dental students. Odds ratios, Chi-square, and their corresponding 95% confidence intervals are reported. Statistical significance was set at P ≤ 0.05. RESULTS Those who ticked yes for pain on the TMD pain screener for pain with chewing hard or tough food, pain on mouth opening and lateral excursion, and pain with jaw habits as parafunction were at an odds risk from twice to thrice as likely to experience headaches. Similarly, those with poor coping skills on the PSS were more likely to have headaches (P = 0.002). Likewise, positive answers on the screener and symptom questionnaire were relevant with higher stress scores on the PSS. CONCLUSION This study clarifies and reiterates the intertwined power of both stress and headaches; the former being a role player in TMD progression and the latter its product. TMD is unfortunately on the rise; it should not be brushed off as a nuisance. A multidisciplinary approach in diagnosis and treatment of both TMD and headaches by a team of orofacial pain specialist, neurologist, psychiatrist and/or psychologist, and physical therapists to untangle the deceiving presentation of both conditions would not only provide a more favorable prognosis but also improve cost and time expenditures.
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Affiliation(s)
- May Wathiq Alkhudhairy
- Department of Diagnostic Sciences and Oral Maxillofacial Surgery, Riyadh Elm University (formerly Riyadh Colleges of Dentistry and Pharmacy), Riyadh, Saudi Arabia
| | - Fatima Al Ramel
- Dental Interns, Riyadh Elm University (formerly Riyadh Colleges of Dentistry and Pharmacy), Riyadh, Saudi Arabia
| | - Ghufran Al Jader
- Dental Interns, Riyadh Elm University (formerly Riyadh Colleges of Dentistry and Pharmacy), Riyadh, Saudi Arabia
| | - Layla Al Saegh
- Dental Interns, Riyadh Elm University (formerly Riyadh Colleges of Dentistry and Pharmacy), Riyadh, Saudi Arabia
| | - Areej Al Hadad
- Dental Interns, Riyadh Elm University (formerly Riyadh Colleges of Dentistry and Pharmacy), Riyadh, Saudi Arabia
| | - Tumadhir Alalwan
- Dental Interns, Riyadh Elm University (formerly Riyadh Colleges of Dentistry and Pharmacy), Riyadh, Saudi Arabia
| | - Dhuha Al Shaikh
- Dental Interns, Riyadh Elm University (formerly Riyadh Colleges of Dentistry and Pharmacy), Riyadh, Saudi Arabia
| | - Malak Al Bandar
- Dental Interns, Riyadh Elm University (formerly Riyadh Colleges of Dentistry and Pharmacy), Riyadh, Saudi Arabia
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