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Huisman D, Mansfield M, Cummins TM, Moss-Morris R, McMahon SB, Bannister K. Gastrointestinal pain: A systematic review of temporal summation of pain paradigms and outcomes. Eur J Pain 2024. [PMID: 38817207 DOI: 10.1002/ejp.2283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 03/31/2024] [Accepted: 05/06/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND AND OBJECTIVE Since targeted treatment for gastrointestinal pain is elusive, identifying the mechanistic underpinning of this pain type is important. Facilitation of spinal neuronal responses underpins certain pain types, and the psychophysical temporal summation of pain (TSP) paradigm provides a proxy measure of spinal facilitatory processes. Our aim was to systematically review whether facilitated TSP is a feature of gastrointestinal pain in patients with, or pain-free people experiencing experimentally induced, gastrointestinal pain. DATABASES AND DATA TREATMENT EMBASE, MEDLINE, PsychInfo, CINAHL, and Web of Science were systematically searched, from inception to July 2023, for human studies reporting TSP paradigm outcomes in the context of gastrointestinal pain. The Appraisal tool for Cross-Sectional studies was used for quality assessment and applied independently by two researchers. RESULTS Fifteen papers consisting of cross-sectional (n = 6), case-control (n = 8), and retrospective cohort (n = 1) studies, were included. Thirteen studies investigated TSP in people with gastrointestinal pain with (n = 5) or without (n = 8) defined pathology. Two studies evoked TSP by repetitive gut stimulation in people undergoing abdominal medical procedures. Preliminary evidence showed that facilitated TSP correlated with the presence of functional gastrointestinal pain in women, and those with a history of trauma. No effect was observed in people with inflammatory bowel disease, although it was often unclear if they experienced pain. CONCLUSIONS It is not possible to conclude whether facilitated TSP is a feature of gastrointestinal pain. We recommend that subgroup findings are corroborated and that TSP paradigms are standardized in order that direct comparisons between studies may be made. SIGNIFICANCE STATEMENT Evidence indicated that pain facilitatory processes, as evidenced by a facilitated TSP outcome, contribute to functional gastrointestinal pain in women and those with a history of trauma. However, heterogeneity of study populations and paradigms precluded statistical synthesis and findings would need be corroborated. Studies exploring facilitatory processes in people with inflammatory bowel diseases did not report significant results, but pain is not a given in these conditions and, conversely, may be driven by peripheral inflammation during active disease. This should be taken in consideration in future explorations. REGISTRATION REVIEW PROSPERO CRD42022341845.
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Affiliation(s)
- Danielle Huisman
- Health Psychology Section, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Michael Mansfield
- School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, UK
- Centre of Precision Rehabilitation for Spinal Pain, University of Birmingham, Birmingham, UK
- Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, UK
| | - Tatum M Cummins
- Neurorestoration Group, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Rona Moss-Morris
- Health Psychology Section, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Stephen B McMahon
- Neurorestoration Group, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Kirsty Bannister
- Central Modulation of Pain, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
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Abstract
Temporomandibular disorders (TMDs) and headache disorders are highly prevalent in the population. TMDs can present headache symptoms as a secondary headache and, in addition, be comorbid with primary headache disorders. This overlap has significant clinical implications for which it is essential for the physician to be aware, and they should screen for the potential presence of TMDs in a headache patient. Bruxism is a parafunctional behavior also prevalent in the population which has a role in TMDs and may influence headache symptomatology, but it is still necessary to clarify this relationship.
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Affiliation(s)
- Marcela Romero-Reyes
- Brotman Facial Pain Clinic, University of Maryland, School of Dentistry; Department of Neural and Pain Sciences, University of Maryland, Baltimore, School of Dentistry, 650 West Baltimore Street, Room 8253, Baltimore, MD 21201, USA.
| | - Jennifer P Bassiur
- Center for Oral, Facial & Head Pain, College of Dental Medicine, Columbia University Medical Center; Division of Oral & Maxillofacial Surgery, 620 West 168th Street, P & S Box 20, New York, NY 10032, USA
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Pan LH, Ling Y, Lai K, Wang Y, Hsiao F, Chen S, Liu H, Chen W, Wang S. The normative values of pain thresholds in healthy Taiwanese. Brain Behav 2024; 14:e3485. [PMID: 38648375 PMCID: PMC11034865 DOI: 10.1002/brb3.3485] [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: 11/17/2023] [Revised: 03/14/2024] [Accepted: 03/17/2024] [Indexed: 04/25/2024] Open
Abstract
OBJECTIVE Quantitative sensory testing is widely used in clinical and research settings to assess the sensory functions of healthy subjects and patients. It is of importance to establish normative values in a healthy population to provide reference for studies involving patients. Given the absence of normative values for pain thresholds in Taiwan, the aim of this study was to report the normative values for future reference in the Taiwanese population and compare the differences between male and female participants. METHODS Healthy adults without any chronic or acute pain condition were recruited. The pain thresholds were assessed over the cephalic (supraorbital area and masseter muscle) and extracephalic (medio-volar forearm and thenar eminence) areas. The heat, cold, mechanical punctate, and pressure pain thresholds were measured with a standardized protocol. Comparisons between male and female participants were performed. RESULTS One hundred and thirty healthy participants (55 males: 30.4 ± 7.4 years; 75 females: 30.5 ± 8.1 years) finished the assessments. Male participants were less sensitive to mechanical stimuli, including pressure over masseter muscle (male vs. female: 178.5 ± 56.7 vs. 156.6 ± 58.4 kPa, p = .034) and punctate over medio-volar forearm (male vs. female: 116.4 ± 45.2 vs. 98.7 ± 65.4 g, p = .011), compared to female participants. However, female participants were less sensitive to cold stimuli, indicated by lower cold pain thresholds over the supraorbital area (male vs. female: 18.6 ± 8.4 vs. 13.6 ± 9.3°C, p = .004), compared to male participants. No significant differences were found between sexes in other pain threshold parameters. CONCLUSIONS We provided the normative values of healthy male and female adults in Taiwan. This information is crucial for comparison in future pain-related studies to identify potential hypoalgesia or hyperalgesia of tested subjects.
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Affiliation(s)
- Li‐Ling Hope Pan
- Brain Research CenterNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Yu‐Hsiang Ling
- College of MedicineNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
- Department of NeurologyNeurological InstituteTaipei Veterans General HospitalTaipeiTaiwan
| | - Kuan‐Lin Lai
- College of MedicineNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
- Department of NeurologyNeurological InstituteTaipei Veterans General HospitalTaipeiTaiwan
| | - Yen‐Feng Wang
- College of MedicineNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
- Department of NeurologyNeurological InstituteTaipei Veterans General HospitalTaipeiTaiwan
| | - Fu‐Jung Hsiao
- Brain Research CenterNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Shih‐Pin Chen
- Brain Research CenterNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
- College of MedicineNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
- Department of NeurologyNeurological InstituteTaipei Veterans General HospitalTaipeiTaiwan
- Institute of Clinical MedicineNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
- Department of Medical ResearchTaipei Veterans General HospitalTaipeiTaiwan
| | - Hung‐Yu Liu
- College of MedicineNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
- Department of NeurologyNeurological InstituteTaipei Veterans General HospitalTaipeiTaiwan
| | - Wei‐Ta Chen
- Brain Research CenterNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
- College of MedicineNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
- Department of NeurologyNeurological InstituteTaipei Veterans General HospitalTaipeiTaiwan
- Department of NeurologyKeelung Hospital, Ministry of Health and WelfareKeelungTaiwan
| | - Shuu‐Jiun Wang
- Brain Research CenterNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
- College of MedicineNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
- Department of NeurologyNeurological InstituteTaipei Veterans General HospitalTaipeiTaiwan
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Di Antonio S, Arendt-Nielsen L, Ponzano M, Bovis F, Torelli P, Elisa P, Finocchi C, Castaldo M. Profiling migraine patients according to clinical and psychophysical characteristics: clinical validity of distinct migraine clusters. Neurol Sci 2024; 45:1185-1200. [PMID: 37833507 PMCID: PMC10858147 DOI: 10.1007/s10072-023-07118-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023]
Abstract
AIMS Investigate if different clinical and psychophysical bedside tools can differentiate between district migraine phenotypes in ictal/perictal (cohort 1) and interictal (cohort 2) phases. METHOD This observational study included two independent samples in which patients were subgrouped into distinct clusters using standardized bedside assessment tools (headache frequency, disability, cervical active range of motion, pressure pain threshold in different areas): (A) cohort 1-ictal/perictal migraine patients were subgrouped, based on previous studies, into two clusters, i.e., Cluster-1.1 No Psychophysical Impairments (NPI) and Cluster-1.2 Increased Pain Sensitivity and Cervical Musculoskeletal Dysfunction (IPS-CMD); (B) cohort 2-interictal migraine patients were subgrouped into three clusters, i.e., Cluster-2.1 NPI, Cluster-2.2 IPS, and Cluster-2.3 IPS-CMD. Clinical characteristics (multiple questionnaires), somatosensory function (comprehensive quantitative sensory testing (QST)), and cervical musculoskeletal impairments (cervical musculoskeletal assessment) were assessed and compared across headache clusters and a group of 56 healthy controls matched for sex and age. RESULTS Cohort 1: A total of 156 subjects were included. Cluster-1.2 (IPS-CMD) had higher headache intensity (p = 0.048), worse headache-related (p = 0.003) and neck-related disability (p = 0.005), worse quality of life (p = 0.003), and higher symptoms related to sensitization (p = 0.001) and psychological burden (p = 0.005) vs. Cluster-1.1(NPI). Furthermore, Cluster-1.2 (IPS-CMD) had (1) reduced cervical active and passive range of motion (p < 0.023), reduced functionality of deep cervical flexors (p < 0.001), and reduced values in all QST(p < 0.001) vs. controls, and (2) reduced active mobility in flexion, left/right lateral flexion (p < 0.045), and reduced values in QST (p < 0.001) vs. Cluster-1.1 (NPI). Cohort 2: A total of 154 subjects were included. Cluster-2.3 (IPS-CMD) had (1) longer disease duration (p = 0.006), higher headache frequency (p = 0.006), disability (p < 0.001), and psychological burden (p = 0.027) vs. Cluster-2.2 (IPS) and (2) higher headache-related disability (p = 0.010), neck-related disability (p = 0.009), and higher symptoms of sensitization (p = 0.018) vs. Cluster-2.1 (NPI). Cluster-2.3(IPS-CMD) had reduced cervical active and passive range of motion (p < 0.034), and reduced functionality of deep cervical flexors (p < 0.001), vs. controls, Custer-2.1 (NPI), and Cluster-2.2 (IPS). Cluster-2.2 (IPS) and 2.3 (IPS-CMD) had reduced QST values vs. controls (p < 0.001) and Cluster-2.1 (p < 0.039). CONCLUSION A battery of patient-related outcome measures (PROMs) and quantitative bedside tools can separate migraine clusters with different clinical characteristics, somatosensory functions, and cervical musculoskeletal impairments. This confirms the existence of distinct migraine phenotypes and emphasizes the importance of migraine phases of which the characteristics are assessed. This may have implications for responders and non-responders to anti-migraine medications.
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Affiliation(s)
- Stefano Di Antonio
- Department of Health Science and Technology, Center for Pain and Neuroplasticity (CNAP), School of Medicine, SMI, Aalborg University, Aalborg, Denmark
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal Child Health, Genoa, Italy
| | - Lars Arendt-Nielsen
- Department of Health Science and Technology, Center for Pain and Neuroplasticity (CNAP), School of Medicine, SMI, Aalborg University, Aalborg, Denmark
- Department of Gastroenterology & Hepatology, Mech-Sense, Clinical Institute, Aalborg University Hospital, 9000, Aalborg, Denmark
- Clinical Institute, Steno Diabetes Center North Denmark, Aalborg University Hospital, 9000, Aalborg, Denmark
| | - Marta Ponzano
- Department of Health Sciences (DISSAL), Section of Biostatistics, University of Genoa, Genoa, Italy
| | - Francesca Bovis
- Department of Health Sciences (DISSAL), Section of Biostatistics, University of Genoa, Genoa, Italy
| | - Paola Torelli
- Headache Centre, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Pelosin Elisa
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal Child Health, Genoa, Italy
- IRCCS, Ospedale Policlinico San Martino, Genoa, Italy
| | | | - Matteo Castaldo
- Department of Health Science and Technology, Center for Pain and Neuroplasticity (CNAP), School of Medicine, SMI, Aalborg University, Aalborg, Denmark.
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Hyung JW, Son BC. Generalized Extension of Referred Trigeminal Pain due to Greater Occipital Nerve Entrapment. Case Rep Neurol Med 2023; 2023:1099222. [PMID: 38025301 PMCID: PMC10657245 DOI: 10.1155/2023/1099222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 10/10/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023] Open
Abstract
We report a very rare case of referred pain caused by greater occipital nerve (GON) entrapment, inducing spontaneous pain in the whole body as well as in the trigeminal nerve region of the face and head. It has already been reported that entrapment of the GON can induce referred pain in the ipsilateral limb as well as the ipsilateral hemiface. A 42-year-old female patient presented with chronic pain in her gums, jaw angle, submandibular region, retro-auricular suboccipital, and temporo-occipital vertex that had been ongoing for four years. As the patient's head pain and facial pain became severe, severe spontaneous pain occurred in the arm, waist, and both lower extremities. This patient's pain in the occipital and neck, spontaneous pain in the face, jaw, and whole body improved with decompression of the GON. Anatomical basis of pain referral to the facial trigeminal area caused by chronic GON entrapment is convergence of nociceptive inflow from high cervical C1-C3 structures and trigeminal orofacial area in the dorsal horn of the cervical spinal cord from the C2 segment up to the medullary dorsal horn (MDH). The major afferent contribution among the suboccipital and high cervical structure is mediated by spinal root C2 that is peripherally represented by the GON. Chronic noxious input from GON entrapment can cause sensitization and hypersensitivity in second order neurons in the trigeminocervical complex (TCC) and MDH in the caudal trigeminal nucleus and high cervical cord. Generalized extension of referred pain due to GON entrapment is thought to involve two possible pathophysiologies. One is the possibility that generalized pain is caused by sensitization of third-order nociceptive neurons in the thalamus. Another speculation is that spontaneous pain may occur throughout the body due to dysfunction of the descending brain stem pain-modulating pathway by sensitization and hyperexcitation of the MDH and trigeminal brainstem sensory nuclear complex (TBSNC).
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Affiliation(s)
- Jung-woo Hyung
- Department of Neurosurgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Byung-chul Son
- Department of Neurosurgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Catholic Neuroscience Institute, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Romero-Reyes M, Klasser G, Akerman S. An Update on Temporomandibular Disorders (TMDs) and Headache. Curr Neurol Neurosci Rep 2023; 23:561-570. [PMID: 37581857 DOI: 10.1007/s11910-023-01291-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2023] [Indexed: 08/16/2023]
Abstract
PURPOSE OF REVIEW To provide an overview and highlight recent updates in temporomandibular disorders (TMDs) and their comorbidity with headache disorders regarding pathophysiology and management. RECENT FINDINGS In the last decade, there have been great advancements in the understanding of TMDs and their relationship with neurovascular pains such as headaches. Understanding of TMDs is necessary for the context of its comorbidity with primary headache disorders. The literature regarding management of these comorbidities is scarce but points to combination therapy including pharmacological and non-pharmacological approaches to optimize management. The use of CGRP receptor-targeted monoclonal antibodies or CGRP receptor antagonists should be explored for the management of chronic TMDs. It could also be used as a novel monotherapy or in combination with non-pharmacological approaches for TMDs' comorbidity with headache, particularly migraine. Research is needed to support evidence-based management protocols. A team involving neurology (headache medicine) and dentistry (orofacial pain) is critical for optimal management.
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Affiliation(s)
- Marcela Romero-Reyes
- Brotman Facial Pain Clinic, School of Dentistry, University of Maryland, Baltimore, MD, USA.
- Department of Pain and Neural Sciences, School of Dentistry, University of Maryland, 650 W. Baltimore St, 8th floor, Baltimore, MD, 21201, USA.
| | - Gary Klasser
- Department of Diagnostic Sciences, Louisiana State University Health Sciences Center, School of Dentistry, New Orleans, LA, USA
| | - Simon Akerman
- Department of Pain and Neural Sciences, School of Dentistry, University of Maryland, 650 W. Baltimore St, 8th floor, Baltimore, MD, 21201, USA
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Kmiecik MJ, Tu FF, Clauw DJ, Hellman KM. Multimodal hypersensitivity derived from quantitative sensory testing predicts pelvic pain outcome: an observational cohort study. Pain 2023; 164:2070-2083. [PMID: 37226937 PMCID: PMC10440257 DOI: 10.1097/j.pain.0000000000002909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 02/09/2023] [Indexed: 05/26/2023]
Abstract
ABSTRACT Multimodal hypersensitivity (MMH)-greater sensitivity across multiple sensory modalities (eg, light, sound, temperature, pressure)-is associated with the development of chronic pain. However, previous MMH studies are restricted given their reliance on self-reported questionnaires, narrow use of multimodal sensory testing, or limited follow-up. We conducted multimodal sensory testing on an observational cohort of 200 reproductive-aged women, including those at elevated risk for chronic pelvic pain conditions and pain-free controls. Multimodal sensory testing included visual, auditory, and bodily pressure, pelvic pressure, thermal, and bladder pain testing. Self-reported pelvic pain was examined over 4 years. A principal component analysis of sensory testing measures resulted in 3 orthogonal factors that explained 43% of the variance: MMH, pressure pain stimulus response, and bladder hypersensitivity. The MMH and bladder hypersensitivity factors correlated with baseline self-reported menstrual pain, genitourinary symptoms, depression, anxiety, and health. Over time, MMH increasingly predicted pelvic pain and was the only component to predict outcome 4 years later, even when adjusted for baseline pelvic pain. Multimodal hypersensitivity was a better predictor of pelvic pain outcome than a questionnaire-based assessment of generalized sensory sensitivity. These results suggest that MMHs overarching neural mechanisms convey more substantial long-term risk for pelvic pain than variation in individual sensory modalities. Further research on the modifiability of MMH could inform future treatment developments in chronic pain.
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Affiliation(s)
- Matthew J. Kmiecik
- Department of Ob/Gyn, NorthShore University HealthSystem, Evanston, IL, United States
- Department of Ob/Gyn, Pritzker School of Medicine, University of Chicago, Chicago, IL, United States
| | - Frank F. Tu
- Department of Ob/Gyn, NorthShore University HealthSystem, Evanston, IL, United States
- Department of Ob/Gyn, Pritzker School of Medicine, University of Chicago, Chicago, IL, United States
| | - Daniel J. Clauw
- Departments of Anesthesiology, Medicine, and Psychiatry, Chronic Pain and Fatigue Research Center, The University of Michigan Medical School, Ann Arbor, MI, United States
| | - Kevin M. Hellman
- Department of Ob/Gyn, NorthShore University HealthSystem, Evanston, IL, United States
- Department of Ob/Gyn, Pritzker School of Medicine, University of Chicago, Chicago, IL, United States
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Piekartz HV, van der Meer H, Olivo SA. Craniofacial disorders and headaches. A narrative review. Musculoskelet Sci Pract 2023; 66:102815. [PMID: 37419842 DOI: 10.1016/j.msksp.2023.102815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/20/2023] [Accepted: 06/21/2023] [Indexed: 07/09/2023]
Abstract
OBJECTIVES Craniofacial- and headache disorders are common co-morbid disorders. The aim of this review is to provide an overview of the research discussing craniofacial pain, especially temporomandibular disorders, and its relationship and impact on headaches, as well as suggestions for diagnostic assessment tools and physical therapeutic management strategies. METHOD A narrative structured review was performed. A search was conducted in MEDLINE using terms related to craniofacial pain and headaches. Additionally, papers regarding this topic were also extracted from the authors' personal libraries. Any study design (i.e., RCT, observational studies, systematic review, narrative review) that reported the concepts of interest was included, using Covidence. Results were narratively synthesized and described. RESULTS From an epidemiological perspective, craniofacial pain and headaches are strongly related and often co-existing. This may be due to the neuroanatomical connection with the trigeminal cervical complex, or due to shared predisposing factors such as age, gender, and psychosocial factors. Pain drawings, questionnaires, and physical tests can be used to determine the cause of pain, as well as other perpetuating factors in patients with headaches and craniofacial pain. The evidence supports different forms of exercise and a combination of hands-on and hands-off strategies aimed at both the craniofacial pain as well as the headache. CONCLUSION Headaches may be caused or aggravated by different disorders in the craniofacial region. Proper use of terminology and classification may help in understanding these complaints. Future research should look into the specific craniofacial areas and how headaches may arise from problems from those regions. (249 words).
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Affiliation(s)
- Harry von Piekartz
- University of Applied Sciences Osnabrück, Department of Physical Therapy and Rehabilitation Science, Germany; Cranial Facial Therapy Academy (CRAFTA), Hamburg, Germany.
| | - Hedwig van der Meer
- Department of Orofacial Pain and Dysfunction, Academic Center for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University, the Netherlands; SOMT University of Physiotherapy, Amersfoort, Netherlands
| | - Susan Armijo Olivo
- University of Applied Sciences Osnabrück, Department of Physical Therapy and Rehabilitation Science, Germany; Faculty of Rehabilitation Medicine, Faculty of Medicine and Dentistry Rehabilitation Research Center, University of Alberta, Edmonton, Canada
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Sharma S, Slade GD, Fillingim RB, Ohrbach R. A rose by another name? Characteristics that distinguish headache secondary to temporomandibular disorder from headache that is comorbid with temporomandibular disorder. Pain 2023; 164:820-830. [PMID: 36048529 PMCID: PMC9971346 DOI: 10.1097/j.pain.0000000000002770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 08/19/2022] [Indexed: 11/26/2022]
Abstract
ABSTRACT Co-occurring pain conditions that affect overlapping body regions are complicated by the distinction between primary vs secondary pain conditions. We investigate the occurrence of headache and painful temporomandibular disorder (TMD) in a community-based, cross-sectional study of US adults in the Orofacial Pain: Prospective Evaluation and Risk Assessment (OPPERA-II) study. A specific goal was to determine whether headache attributed to TMD is separable from primary headache. Using DC/TMD and International Classification of Headache Disorders-third edition criteria, 3 groups of individuals were created: (a) headache without TMD; (b) headache comorbid with TMD; and (c) headache attributed to TMD. Regression models compared study groups according to demographic and comorbid characteristics, and post hoc contrasts tested for differences. Descriptive statistics and Cohen d effect size were computed, by group, for each predictor variable. Differences in continuous predictors were analyzed using one-way analysis of variance. Nearly all demographic and comorbid variables distinguished the combined headache and TMD groups from the group with headache alone. Relative to the reference group with primary headache alone, markers related to headache, TMD, somatic pain processing, psychosocial, and health conditions were substantially greater in both headache comorbid with TMD and headache attributed to TMD, attesting to their qualitative similarities. However, effect sizes relative to the reference group were large for headache comorbid with TMD and larger again for headache attributed to TMD, attesting to their separability in quantitative terms. In summary, the presence of overlapping painful TMD and headache adds substantially to the biopsychosocial burden of headache and points to the importance of comprehensive assessment and differential management.
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Affiliation(s)
- Sonia Sharma
- Department of Neurosurgery, Neuro Pain Management Center, University of Rochester Medical Center, Rochester, NY, United States
- Department of Oral Diagnostic Sciences, University at Buffalo School of Dental Medicine, Buffalo, NY, United States
| | - Gary D Slade
- Division of Pediatric and Population Health, UNC Adams School of Dentistry, Chapel Hill, NC, United States
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, United States
| | - Roger B Fillingim
- Department of Community Dentistry and Behavioral Science, Pain Research and Intervention Center of Excellence (PRICE), University of Florida, Gainesville, FL, United States
| | - Richard Ohrbach
- Department of Oral Diagnostic Sciences, University at Buffalo School of Dental Medicine, Buffalo, NY, United States
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Ipsilateral Limb Extension of Referred Trigeminal Facial Pain due to Greater Occipital Nerve Entrapment: A Case Report. Case Rep Neurol Med 2022; 2022:9381881. [PMID: 36505755 PMCID: PMC9734007 DOI: 10.1155/2022/9381881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 08/17/2022] [Accepted: 11/07/2022] [Indexed: 12/05/2022] Open
Abstract
We report a very rare case of referred pain associated with entrapment of the greater occipital nerve (GON) occurring not only in the ipsilateral hemiface but also in the ipsilateral limb. There is an extensive convergence of cutaneous, tooth pulp, visceral, neck, and muscle afferents onto nociceptive and nonnociceptive neurons in the trigeminal nucleus caudalis (medullary dorsal horn). In addition, nociceptive input from trigeminal, meningeal afferents projects into trigeminal nucleus caudalis and dorsal horn of C1 and C2. Together, they form a functional unit, the trigeminocervical complex (TCC). The nociceptive inflow from suboccipital and high cervical structures is mediated with small-diameter afferent fibers in the upper cervical roots terminating in the dorsal horn of the cervical cord extending from the C2 segment up to the medullary dorsal horn. The major afferent contribution is mediated by the spinal root C2 that is peripherally represented by the greater occipital nerve (GON). Convergence of afferent signals from the trigeminal nerve and the GON onto the TCC is regarded as an anatomical basis of pain referral in craniofacial pain and primary headache syndrome. Ipsilateral limb pain occurs long before the onset of the referred facial pain. The subsequent severe hemifacial pain suggested GON entrapment. The occipital nerve block provided temporary relief from facial and extremity pain. Imaging studies found a benign osteoma in the ipsilateral suboccipital bone, but no direct contact with GON was identified. During GON decompression, severe entrapment of the GON was observed by the tendinous aponeurotic edge of the trapezius muscle, but the osteoma had no contact with the nerve. Following GON decompression, the referred trigeminal and extremity pain completely disappeared. The pain referral from GON entrapment seems to be attributed to the sensitization and hypersensitivity of the trigeminocervical complex (TCC). The clinical manifestations of TCC hypersensitivity induced by chronic entrapment of GONs are diverse when considering the occurrence of extremity pain as well as facial pain.
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11
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Genetic overlap between temporomandibular disorders and primary headaches: A systematic review. JAPANESE DENTAL SCIENCE REVIEW 2022; 58:69-88. [PMID: 35242249 PMCID: PMC8881721 DOI: 10.1016/j.jdsr.2022.02.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/18/2021] [Accepted: 02/07/2022] [Indexed: 12/14/2022] Open
Abstract
Primary headache disorders (PHD), specifically migraine, are strongly associated with temporomandibular disorders (TMD), sharing some patterns of orofacial pain. Both disorders have significant genetic contributions already studied. PRISMA guidelines were followed to conduct this systematic review, which comprehensively summarize and discuss the genetic overlap between TMD and PHD to aid future research in potential therapy targets. This review included eight original articles published between 2015 and 2020, written in English and related to either TMD and/or PHD. The genes simultaneously assessed in PHD and TMD studies were COMT, MTHFR, and ESR1. COMT was proved to play a critical role in TMD pathogenesis, as all studies have concluded about its impact on the occurrence of the disease, although no association with PHD was found. No proof on the impact of MTHFR gene regulation on either TMD or PHD was found. The most robust results are concerning the ESR1 gene, which is present in the genetic profile of both clinical conditions. This novel systematic review highlights not only the need for a clear understanding of the role of ESR1 and COMT genes in pain pathogenesis, but it also evaluates their potential as a promising therapeutic target to treat both pathologies.
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Stalls JM, Bovbjerg DH, Somers TJ, Plumb Vilardaga JC, Kimmick GG, McAuliffe PF, Keefe FJ, Posluszny DM, Sullivan MJL, Erkanli A, Reed SD, Sutton L, Owen L, Massa L, Shelby RA. Improving well-being for individuals with persistent pain after surgery for breast cancer, lobular carcinoma in situ, or ductal carcinoma in situ: A randomized clinical trial. Contemp Clin Trials 2022; 122:106934. [PMID: 36152791 PMCID: PMC10001426 DOI: 10.1016/j.cct.2022.106934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/19/2022] [Accepted: 09/19/2022] [Indexed: 01/27/2023]
Abstract
>276,000 Americans will be diagnosed with invasive breast cancer, lobular carcinoma in situ, or ductal carcinoma in situ this year and most will undergo breast surgery as part of their care. Although prognosis is excellent, many patients experience persistent post-surgical pain (PSP), which has no satisfactory pharmacological treatment. The causal contributions of pain-associated psychological factors (e.g., catastrophic thoughts about pain, psychological flexibility, self-efficacy) to the continuing burden of PSP have not yet been determined and may be opportune intervention targets. The randomized trial described here will compare the benefits of three manualized behavioral interventions for individuals with PSP. Participants will receive either: 1) self-guided health education (SGHE); 2) interventionist-guided health education (IGHE); or 3) interventionist-guided pain coping skills training with elements of acceptance and commitment therapy that specially target catastrophic thoughts about pain, self-efficacy, and psychological flexibility (CST-PSP). Participants will prospectively complete validated assessments of primary outcomes (PSP severity and interference) at baseline (pre-intervention) and 3-, 6-, and 12-months later. Validated measures of emotional distress and cancer-specific distress will be assessed as secondary outcomes. To test their roles as drivers of PSP, catastrophic thoughts about pain, self-efficacy, and psychological flexibility, will be assessed and statistically analyzed as mediators of hypothesized beneficial effects. The interventions' impacts on pain sensitivity and central sensitization will be investigated to test these physiological pathways as proximal drivers of PSP. To better characterize the patient experience, additional validated measures will be explored for associations with PSP, along with demographic and clinical factors. Trial registration: https://clinicaltrials.gov/ct2/show/NCT04225585, registered January 13, 2020.
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Affiliation(s)
- Juliann M Stalls
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, United States of America.
| | - Dana H Bovbjerg
- UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Tamara J Somers
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, United States of America
| | | | - Gretchen G Kimmick
- Division of Medical Oncology, Duke University Medical Center, Durham, NC, United States of America
| | - Priscilla F McAuliffe
- UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Francis J Keefe
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, United States of America
| | - Donna M Posluszny
- UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, United States of America
| | | | - Alaattin Erkanli
- Department of Biostatistics, Duke University, Durham, NC, United States of America
| | - Shelby D Reed
- Department of Medicine, Duke University School of Medicine, Durham, NC, United States of America
| | - Linda Sutton
- Duke Cancer Network, Duke University, Durham, NC, United States of America
| | - Lynda Owen
- Duke Cancer Network, Duke University, Durham, NC, United States of America
| | - Lisa Massa
- Department of Physical and Occupational Therapy, Duke University, Durham, NC, United States of America
| | - Rebecca A Shelby
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, United States of America
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Chen H, Comnick C, Norman GJ, Caplan DJ, Jin XX, Fillingim RB. Triad Multisystem Phenotype with High-risk for Developing Temporomandibular Disorders- Characteristics and Potential Pathophysiology Results from the OPPERA Dataset. Pain 2022; 164:1027-1038. [PMID: 36661844 DOI: 10.1097/j.pain.0000000000002797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 09/20/2022] [Indexed: 01/21/2023]
Abstract
ABSTRACT A multisystem phenotype with the Triad of bodily pain, psychological distress, and sleep disturbance was found to have high risk for developing initial onset of painful temporomandibular disorders (TMDs) in the multicenter Orofacial Pain: Prospective Evaluation and Risk Assessment (OPPERA) dataset. In this study, we systemically examined phenotypic characteristics and explored potential pathophysiology in quantitative sensory testing (QST) and autonomic nervous system (ANS) domains in this multisystem Triad phenotype. Secondary analysis was performed on 1199 non-Triad and 154 Triad TMD-free OPPERA enrollees at baseline. Results indicate that prior to developing TMDs, the Triad phenotype demonstrated both orofacial and systemic signs and symptoms that can only be captured through multisystem assessment. In addition, we found significantly lower resting heart rate variability and higher resting heart rate in the Triad phenotype as compared to the non-Triad group. However, pain sensitivity measured by QST was not different between groups. These findings highlight the importance of whole-person multisystem assessment at the stage prior to developing complex pain conditions such as TMDs, and suggest that, in addition to a "tissue damage monitor", pain should be considered in a broader context, such as a component within a "distress monitoring system" at the whole-person level when multisystem issues co-present. Therefore, the presence or absence of multisystem issues may carry critical information when searching for disease mechanisms and developing mechanism-based intervention and prevention strategies for TMDs and related pain conditions. Cardiovascular autonomic function should be further researched when multisystem issues co-present prior to developing TMDs.
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Affiliation(s)
- Hong Chen
- the University of Iowa College of Dentistry, Department of Preventive and Community Dentistry
| | - Carissa Comnick
- University of Iowa College of Dentistry, Division of Biostatistics & Computational Biology and University of Iowa College of Public Health, Department of Biostatistics
| | | | - Daniel J Caplan
- the University of Iowa College of Dentistry, Department of Preventive and Community Dentistry
| | - Xie Xian Jin
- University of Iowa College of Dentistry, Division of Biostatistics & Computational Biology and University of Iowa College of Public Health, Department of Biostatistics
| | - Roger B Fillingim
- University of Florida College of Dentistry, Department of Community Dentistry and Behavioral Science
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Chronic temporomandibular disorders are associated with higher propensity to develop central sensitization: a case-control study. Pain 2022; 164:e251-e258. [PMID: 36251966 DOI: 10.1097/j.pain.0000000000002803] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 09/30/2022] [Indexed: 01/09/2023]
Abstract
ABSTRACT Temporomandibular disorders (TMD) include a group of musculoskeletal disorders that may involve increased responsiveness of nociceptive neurons in the central nervous system (ie, central sensitization). To test this hypothesis further, this study examined whether, as compared with healthy subjects, patients with chronic TMD have a greater propensity to develop secondary mechanical hyperalgesia-a phenomenon that can be confidently attributed to central sensitization. In this case-control study, we assessed the area of secondary mechanical hyperalgesia induced experimentally by delivering high-frequency electrical stimulation (HFS) to the volar forearm skin in 20 participants with chronic TMD and 20 matched healthy controls. High-frequency electrical stimulation consisted in 12 trains of constant-current electrical pulses (5 mA) delivered at 42 Hz. The area of secondary mechanical hyperalgesia was evaluated 30 minutes after applying HFS. The area of secondary mechanical hyperalgesia induced by HFS was on average 76% larger in the chronic TMD group (M = 67.7 cm 2 , SD = 28.2) than in the healthy control group (M = 38.4 cm 2 , SD = 14.9; P = 0.0003). Regarding secondary outcomes, there was no group difference in the intensity of secondary mechanical hyperalgesia, but allodynia to cotton after HFS was more frequent in the chronic TMD group. To the best of our knowledge, this is the first study to show that individuals with chronic TMD have an increased propensity to develop secondary hyperalgesia in a site innervated extratrigeminally. Our results contribute to a better understanding of the pathophysiology of chronic TMD.
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Sanders AE, Weatherspoon ED, Ehrmann BM, Soma PS, Shaikh SR, Preisser JS, Ohrbach R, Fillingim RB, Slade GD. Circulating polyunsaturated fatty acids, pressure pain thresholds, and nociplastic pain conditions. Prostaglandins Leukot Essent Fatty Acids 2022; 184:102476. [PMID: 35908377 PMCID: PMC10363286 DOI: 10.1016/j.plefa.2022.102476] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/22/2022] [Accepted: 07/22/2022] [Indexed: 12/29/2022]
Abstract
OBJECTIVE Polyunsaturated fatty acids (PUFAs) play a role in pain regulation. This study sought to determine whether free PUFAs found in red blood cells also play a role in nociceptive processing. We examined associations between circulating PUFAs and nociceptive thresholds to noxious mechanical stimuli. We also determined whether nociceptive thresholds were associated with nociplastic pain conditions. METHODS This cross-sectional study used stored red bloods cells and data from 605 adult participants in the OPPERA-2 study of chronic overlapping pain conditions. In OPPERA-2 adults completed quantitative sensory testing in which pressure algometry measured deep muscular tissue sensitivity at six anatomical sites. Standardized protocols classified adults for presence or absence of five nociplastic pain conditions: temporomandibular disorder, headache, low back pain, irritable bowel syndrome and fibromyalgia. Liquid chromatography tandem mass spectroscopy quantified erythrocyte PUFAs. We conducted three sets of analyses. First, a multivariable linear regression model assessed the association between n-6/n-3 PUFA ratio and the number of overlapping nociplastic pain conditions. Second, a series of 36 multivariable linear regression models assessed covariate-adjusted associations between PUFAs and nociceptive thresholds at each of six anatomical sites. Third, a series of 30 multivariable linear regression models assessed covariate-adjusted associations between nociceptive thresholds at six anatomical sites and each of five pain conditions. RESULTS In multiple linear regression, each unit increase in n-6/n-3 PUFA ratio was associated with more pain conditions (β = 0.30, 95% confidence limits: 0.07, 0.53, p = 0.012). Omega-6 linoleic acid and arachidonic acid were negatively associated with lower nociceptive thresholds at three and at five, respectively, anatomical sites. In contrast, omega-3 alpha-linolenic acid, eicosapentaenoic acid, docosahexaenoic acid and the n-6/n-3 PUFA ratio were not associated with nociceptive thresholds at any site. Pain cases had significantly lower nociceptive thresholds than non-case controls at all anatomical sites. CONCLUSION A higher n-6/n-3 PUFA ratio was associated with more pain conditions. Omega-6 PUFAs may promote a generalized upregulation of nociceptive processing.
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Affiliation(s)
- Anne E Sanders
- Division of Pediatric and Public Health, Adams School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States of America.
| | - E Diane Weatherspoon
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Brandie M Ehrmann
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Paul S Soma
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Saame R Shaikh
- Department of Nutrition, Gillings School of Global Public Health and School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States of America
| | - John S Preisser
- Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States of America
| | - Richard Ohrbach
- Department of Oral Diagnostic Sciences, University at Buffalo, Buffalo, NY 14260, United States of America
| | - Roger B Fillingim
- Department of Community Dentistry and Behavioral Science, University of Florida, Gainesville, FL 32611, United States of America; Pain Research and Intervention Center of Excellence, Department of Community Dentistry and Behavioral Science, College of Dentistry, University of Florida, Gainesville, FL 32611, United States of America
| | - Gary D Slade
- Division of Pediatric and Public Health, Adams School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States of America
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16
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Cayrol T, Meeus M, Aron V, Gatto C, Mouraux A, Roussel N, Sallaz L, van den Broeke E, Pitance L. Evidence for alterations to dynamic quantitative sensory tests in patients with chronic temporomandibular myalgia: a systematic review of observational studies with meta-analysis. J Oral Rehabil 2022; 49:654-670. [PMID: 35342987 DOI: 10.1111/joor.13320] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 03/02/2022] [Accepted: 03/21/2022] [Indexed: 12/01/2022]
Abstract
BACKGROUND Conflicting results exist between somatosensory profiles of patients with temporomandibular myalgia (TMDm). The objective of this review was to examine whether adults with TMDm show altered responses to dynamic quantitative sensory tests compared with healthy controls. METHODS We searched five electronic databases for studies, excluding those without suitable controls or where TMDm was associated with confounding non-musculoskeletal disorders. Risk of bias was assessed with the SIGN case-control study checklist. Findings were structured around dynamic quantitative sensory tests and their localization. Where possible, we performed meta-analysis with a random inverse variance model to compare patients with TMDm and healthy controls. Statistical heterogeneity was estimated with Chi² test and inconsistency index, I². RESULTS We extracted data from 23 studies comprising 1284 adults with chronic TMDm and 2791 healthy controls. Risk of bias was assessed as high for 20 studies. Mechanical temporal summation, the most studied phenomenon (14 studies), is increased in the upper limb of patients with TMDm (SMD = .43; 95% CI: .11 to .75; p = .0001) but not in the jaw area (p = .09) or in the cervical area (p = .29). Very little evidence for altered thermal temporal summation (five studies), conditioned pain modulation (seven studies), exercise-induced hypoalgesia (two studies), placebo analgesia (two studies), stress-induced hypoalgesia (one study) and offset analgesia (one study) was found. DISCUSSION A major limitation of this review was the risk of bias of included studies. Future studies would benefit from following methodological guidelines and consideration of confounding factors.
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Affiliation(s)
- Timothée Cayrol
- Institute of Experimental and Clinical Research (IREC), Université Catholique de Louvain, Brussels, Belgium
| | - Mira Meeus
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium.,Department of Rehabilitation Sciences and Physiotherapy (MOVANT), University of Antwerp, Wilrijk, Belgium.,Pain in Motion, International Research Group, Belgium
| | - Vladimir Aron
- Institute of Experimental and Clinical Research (IREC), Université Catholique de Louvain, Brussels, Belgium
| | - Claire Gatto
- Institute of Experimental and Clinical Research (IREC), Université Catholique de Louvain, Brussels, Belgium
| | - André Mouraux
- Institute of Neuroscience (IoNS), Université Catholique de Louvain, Brussels, Belgium
| | - Nathalie Roussel
- Department of Rehabilitation Sciences and Physiotherapy (MOVANT), University of Antwerp, Wilrijk, Belgium
| | - Léo Sallaz
- Institute of Experimental and Clinical Research (IREC), Université Catholique de Louvain, Brussels, Belgium
| | | | - Laurent Pitance
- Institute of Experimental and Clinical Research (IREC), Université Catholique de Louvain, Brussels, Belgium
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17
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Weaver KR, Griffioen MA, Klinedinst NJ, Galik E, Duarte AC, Colloca L, Resnick B, Dorsey SG, Renn CL. Quantitative Sensory Testing Across Chronic Pain Conditions and Use in Special Populations. FRONTIERS IN PAIN RESEARCH (LAUSANNE, SWITZERLAND) 2022; 2:779068. [PMID: 35295425 PMCID: PMC8915716 DOI: 10.3389/fpain.2021.779068] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 12/07/2021] [Indexed: 02/01/2023]
Abstract
Chronic pain imposes a significant burden to the healthcare system and adversely affects patients' quality of life. Traditional subjective assessments, however, do not adequately capture the complex phenomenon of pain, which is influenced by a multitude of factors including environmental, developmental, genetic, and psychological. Quantitative sensory testing (QST), established as a protocol to examine thermal and mechanical sensory function, offers insight on potential mechanisms contributing to an individual's experience of pain, by assessing their perceived response to standardized delivery of stimuli. Although the use of QST as a research methodology has been described in the literature in reference to specific pain populations, this manuscript details application of QST across a variety of chronic pain conditions. Specific conditions include lower extremity chronic pain, knee osteoarthritis, chronic low back pain, temporomandibular joint disorder, and irritable bowel syndrome. Furthermore, we describe the use of QST in placebo/nocebo research, and discuss the use of QST in vulnerable populations such as those with dementia. We illustrate how the evaluation of peripheral sensory nerve function holds clinical promise in targeting interventions, and how using QST can enhance patient education regarding prognostic outcomes with particular treatments. Incorporation of QST methodology in research investigations may facilitate the identification of common mechanisms underlying chronic pain conditions, guide the development of non-pharmacological behavioral interventions to reduce pain and pain-related morbidity, and enhance our efforts toward reducing the burden of chronic pain.
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Affiliation(s)
- Kristen R. Weaver
- Department of Pain and Translational Symptom Science, School of Nursing, University of Maryland, Baltimore, MD, United States,Center to Advance Chronic Pain Research (CACPR), University of Maryland, Baltimore, MD, United States,*Correspondence: Kristen R. Weaver
| | - Mari A. Griffioen
- Center to Advance Chronic Pain Research (CACPR), University of Maryland, Baltimore, MD, United States,College of Health Sciences, School of Nursing, University of Delaware, Newark, DE, United States
| | - N. Jennifer Klinedinst
- Department of Organizational Systems and Adult Health, School of Nursing, University of Maryland, Baltimore, MD, United States
| | - Elizabeth Galik
- Department of Organizational Systems and Adult Health, School of Nursing, University of Maryland, Baltimore, MD, United States
| | - Ana C. Duarte
- Department of Family and Community Health, School of Nursing, University of Maryland, Baltimore, MD, United States
| | - Luana Colloca
- Department of Pain and Translational Symptom Science, School of Nursing, University of Maryland, Baltimore, MD, United States,Center to Advance Chronic Pain Research (CACPR), University of Maryland, Baltimore, MD, United States
| | - Barbara Resnick
- Center to Advance Chronic Pain Research (CACPR), University of Maryland, Baltimore, MD, United States,Department of Organizational Systems and Adult Health, School of Nursing, University of Maryland, Baltimore, MD, United States
| | - Susan G. Dorsey
- Department of Pain and Translational Symptom Science, School of Nursing, University of Maryland, Baltimore, MD, United States,Center to Advance Chronic Pain Research (CACPR), University of Maryland, Baltimore, MD, United States
| | - Cynthia L. Renn
- Department of Pain and Translational Symptom Science, School of Nursing, University of Maryland, Baltimore, MD, United States,Center to Advance Chronic Pain Research (CACPR), University of Maryland, Baltimore, MD, United States
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Meeker TJ, Quiton RL, Moulton EA. In memoriam: Joel D. Greenspan 1952 to 2021. Pain 2021; 162:2459-2463. [PMID: 37595319 DOI: 10.1097/j.pain.0000000000002393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Timothy J Meeker
- Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, United States
| | - Raimi L Quiton
- Department of Psychology, University of Maryland, Baltimore, MD, United States
| | - Eric A Moulton
- Brain and Eye Pain Imaging Lab, Pain and Affective Neuroscience Center, Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States
- Department of Ophthalmology, Harvard Medical School, Boston Children's Hospital, Boston, MA, United States
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19
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Zhang L, Shi W, Lu S, Cai B, Fan S, Yang Y, Xu L. Prognostic factor analysis in patients with temporomandibular disorders after reversible treatment: study protocol for a prospective cohort study in China. BMJ Open 2021; 11:e048011. [PMID: 34215608 PMCID: PMC8256761 DOI: 10.1136/bmjopen-2020-048011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 06/09/2021] [Indexed: 11/30/2022] Open
Abstract
INTRODUCTION Temporomandibular disorders (TMDs) are complex multifactorial disorders. Reversible treatment has been suggested for the initial management of TMD; however, comparable therapeutic effects of different reversible intervention modalities remain controversial. Various biopsychosocial factors, which may be putative prognostic factors that influence the response to reversible treatment for TMD, have been reported to increase the risk of developing first-onset TMD. However, there is a paucity of research that aims to identify prognostic factors associated with the clinical outcomes of reversible treatment in people with TMD. The objective of this prospective cohort study is to identify prognostic factors that are associated with clinical outcomes of reversible treatment in patients with TMD and to analyse the risk factors that influence the development of chronic TMD. METHODS AND ANALYSIS We plan to recruit 834 patients with TMD who meet the inclusion criteria. Once informed consent is obtained, baseline data, including anamnestic data, physical assessments and self-report questionnaires, will be collected from participants at their first clinic visit; subsequently, they will receive 1-4 weeks of reversible treatment. The primary treatment outcome measures will be a change in the anterior maximum mouth opening, worsening of TMD pain scores assessed using a visual analogue scale (VAS) and a reduction in characteristic pain intensity. A good outcome will be defined as an anterior maximal opening ≥35 mm and at least a 30% reduction in VAS scores 3 months after baseline. The association between candidate prognostic factors and clinical outcomes of reversible TMD treatment will be analysed. ETHICS AND DISSEMINATION The protocol has been approved by the Ethics Committee of Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China, based on the guidelines outlined in the Declaration of Helsinki (SH9H-2019-T316-4). The results of this study will be reported in accordance with the Strengthening the Reporting of Observational Studies in Epidemiology statement. The authors intend to publish the results in a peer-reviewed journal. TRIAL REGISTRATION NUMBER ChiCTR2000033328.
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Affiliation(s)
- Ling Zhang
- Department of Rehabilitation, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
| | - Wentao Shi
- Clinical Research Center, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
| | - Shenji Lu
- Department of Rehabilitation, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
| | - Bin Cai
- Department of Rehabilitation, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
| | - Shuai Fan
- Department of Rehabilitation, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
| | - Yang Yang
- Department of Rehabilitation, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
| | - Lili Xu
- Department of Rehabilitation, Shanghai Jiao Tong University School of Medicine Affiliated Ninth People's Hospital, Shanghai, China
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Chronic Orofacial Pain: Models, Mechanisms, and Genetic and Related Environmental Influences. Int J Mol Sci 2021; 22:ijms22137112. [PMID: 34281164 PMCID: PMC8268972 DOI: 10.3390/ijms22137112] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/23/2021] [Accepted: 06/24/2021] [Indexed: 12/13/2022] Open
Abstract
Chronic orofacial pain conditions can be particularly difficult to diagnose and treat because of their complexity and limited understanding of the mechanisms underlying their aetiology and pathogenesis. Furthermore, there is considerable variability between individuals in their susceptibility to risk factors predisposing them to the development and maintenance of chronic pain as well as in their expression of chronic pain features such as allodynia, hyperalgesia and extraterritorial sensory spread. The variability suggests that genetic as well as environmental factors may contribute to the development and maintenance of chronic orofacial pain. This article reviews these features of chronic orofacial pain, and outlines findings from studies in animal models of the behavioural characteristics and underlying mechanisms related to the development and maintenance of chronic orofacial pain and trigeminal neuropathic pain in particular. The review also considers the role of environmental and especially genetic factors in these models, focussing on findings of differences between animal strains in the features and underlying mechanisms of chronic pain. These findings are not only relevant to understanding underlying mechanisms and the variability between patients in the development, expression and maintenance of chronic orofacial pain, but also underscore the importance for considering the strain of the animal to model and explore chronic orofacial pain processes.
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21
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Fillingim RB. In memoriam William Maixner: 1952 to 2020. Pain 2021; 162:989-992. [PMID: 37595617 DOI: 10.1097/j.pain.0000000000002200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Roger B Fillingim
- Department of Community Dentistry and Behavioral Science, Pain Research and Intervention Center of Excellence, University of Florida, Gainesville, FL, United States
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