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"Chronic pain"

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https://www.readbyqxmd.com/read/27911133/changes-in-cervical-movement-impairment-and-pain-following-orofacial-treatment-in-patients-with-chronic-arthralgic-temporomandibular-disorder-with-pain-a-prospective-case-series
#1
Francis Grondin, Toby Hall
The purpose of this study was to investigate the influence of isolated temporomandibular joint (TMJ) manual therapy on pain and range of motion (ROM) of the TMJ and cervical spine including flexion-rotation test (FRT) in people suffering chronic pain arising from chronic arthralgic temporomandibular disorder (TMD). An experienced clinician managed a case series of 12 patients with TMD (mean duration 28.6 months +/- 26.9). The intervention comprised four-weekly sessions of transverse medial accessory TMJ mobilization and advice...
December 2, 2016: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/27911035/content-validity-of-the-credibility-and-expectancy-questionnaire-in-a-pain-rehabilitation-setting
#2
Vera-Christina Mertens, Albine Moser, Jeanine Verbunt, Rob Smeets, Mariëlle Goossens
: Content validity, the proper reflection of the concept to be measured, is yet unknown for the Credibility and Expectancy Questionnaire (CEQ). It is frequently used in pain rehabilitation because treatment expectancy is influential on the outcome. OBJECTIVE: To test and improve the content validity of the CEQ in a sample of patients with chronic pain in different phases of their treatment. METHODS: A qualitative observational study design using the Three-Step Test-Interview method was used...
December 2, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27910899/glial-pannexin1-contributes-to-tactile-hypersensitivity-in-a-mouse-model-of-orofacial-pain
#3
Regina Hanstein, Menachem Hanani, Eliana Scemes, David C Spray
Drug studies in animal models have implicated pannexin1 (Panx1) in various types of pain, including trigeminal hypersensitivity, neuropathic pain and migraine. However, the tested drugs have limited specificity and efficacy so that direct evidence for Panx1 contribution to pain has been lacking. We here show that tactile hypersensitivity is markedly attenuated by deletion of Panx1 in a mouse model of chronic orofacial pain; in this model, trigeminal ganglion Panx1 expression and function are markedly enhanced...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910870/antinociceptive-profile-of-levo-tetrahydropalmatine-in-acute-and-chronic-pain-mice-models-role-of-spinal-sigma-1-receptor
#4
Dong-Wook Kang, Ji-Young Moon, Jae-Gyun Choi, Suk-Yun Kang, Yeonhee Ryu, Jin Bong Park, Jang-Hern Lee, Hyun-Woo Kim
We have recently reported that repeated systemic treatments of extract from Corydalis yanhusuo alleviate neuropathic pain and levo-tetrahydropalmatine (l-THP) is one of active components from Corydalis. We designed this study to investigate antinociceptive effect of l-THP in acute and chronic pain models and related mechanism within the spinal cord. We found that intraperitoneal pretreatment with l-THP significantly inhibited the second phase of formalin-induced pain behavior. In addition, intrathecal as well as intraperitoneal pretreatment with l-THP reduced the mechanical allodynia (MA) induced by direct activation of sigma-1 receptor (Sig-1)...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910725/an-over-the-counter-central-sensitization-therapy-a-chronic-back-pain-registry-study-of-pain-relief-medication-use-and-their-adverse-effects
#5
Richard Staelin, Sree N Koneru, Ian M Rawe
AIM: Back pain, the most prevalent musculoskeletal chronic pain condition, is usually treated with analgesic medications of questionable efficacy and frequent occurrence of adverse side effects. OBJECTIVE: The objective was to determine the effectiveness of the ActiPatch medical devices in reducing chronic back pain, document medication related adverse side effects and establish their impact on quality of life. METHODS: Upon completing a 7-day trial, subjects were contacted via email with an assessment form using the Constant Contact email program...
December 2, 2016: Pain Management
https://www.readbyqxmd.com/read/27910257/neurostimulation-for-postsurgical-analgesia-a-novel-system-enabling-ultrasound-guided-percutaneous-peripheral-nerve-stimulation
#6
Brian M Ilfeld, Stuart A Grant, Christopher A Gilmore, John Chae, Richard D Wilson, Amorn Wongsarnpigoon, Joseph W Boggs
While neurostimulation-stimulation of the nervous system using electrical current-has been used to treat chronic pain, its use treating postsurgical pain has been limited. Here we report on the clinical application of a novel investigational lead to provide analgesia following total knee arthroplasty. In 5 subjects, leads were inserted percutaneously using ultrasound guidance within 0.5 to 3.0 cm of the femoral and/or sciatic nerve(s). With the delivery of current, pain decreased an average of 63% at rest, with 4 of 5 subjects having relief of >50%...
December 2, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27910248/use-of-heart-rate-variability-and-photoplethysmograph-derived-parameters-as-assessment-signals-of-radiofrequency-therapy-efficacy-for-chronic-pain
#7
Jing-Jhao Ye, Chiung-Cheng Chuang, Yu-Ting Tai, Kuan-Ting Lee, Kuo-Sheng Hung
BACKGROUND: Radiofrequency therapy (RFT) generates molecular motion, and produces heat and electromagnetic effects on tissues, which attenuate pain sensation and thereby relieve pain. This study was to observe the altering trend of physiological parameters after RFT for chronic cervical or lumbar pain. METHODS: This study recruited 66 patients with chronic cervical or lumbar pain, and recorded their physiological parameters before and after RFT by using heart rate variability (HRV) and photoplethysmography (PPG) to explore the feasibility of RFT efficacy assessment...
December 2, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27909152/involvement-of-mesolimbic-dopaminergic-network-in-neuropathic-pain-relief-by-treadmill-exercise-a-study-for-specific-neural-control-with-gi-dreadd-in-mice
#8
Kenta Wakaizumi, Takashige Kondo, Yusuke Hamada, Michiko Narita, Rui Kawabe, Hiroki Narita, Moe Watanabe, Shigeki Kato, Emiko Senba, Kazuto Kobayashi, Naoko Kuzumaki, Akihiro Yamanaka, Hiroshi Morisaki, Minoru Narita
BACKGROUND: Exercise alleviates pain and it is a central component of treatment strategy for chronic pain in clinical setting. However, little is known about mechanism of this exercise-induced hypoalgesia. The mesolimbic dopaminergic network plays a role in positive emotions to rewards including motivation and pleasure. Pain negatively modulates these emotions, but appropriate exercise is considered to activate the dopaminergic network. We investigated possible involvement of this network as a mechanism of exercise-induced hypoalgesia...
2016: Molecular Pain
https://www.readbyqxmd.com/read/27909035/randomised-controlled-pilot-study-to-investigate-the-effectiveness-of-thoracic-epidural-and-paravertebral-blockade-in-reducing-chronic-post-thoracotomy-pain-topic-feasibility-study-protocol
#9
Joyce Yeung, Teresa Melody, Amy Kerr, Babu Naidu, Lee Middleton, Kostas Tryposkiadis, Jane Daniels, Fang Gao
INTRODUCTION: Open chest surgery (thoracotomy) is considered the most painful of surgical procedures. Forceful wound retraction, costochondral dislocation, posterior costovertebral ligament disruption, intercostal nerve trauma and wound movement during respiration combine to produce an acute, severe postoperative pain insult and persistent chronic pain many months after surgery is common. Three recent systematic reviews conclude that unilateral continuous paravertebral blockade (PVB) provides analgesia at least equivalent to thoracic epidural blockade (TEB) in the postoperative period, has a lower failure rate, and symptom relief that lasted months...
December 1, 2016: BMJ Open
https://www.readbyqxmd.com/read/27909008/trajectory-of-parvalbumin-cell-impairment-and-loss-of-cortical-inhibition-in-traumatic-brain-injury
#10
Tsung-Hsun Hsieh, Henry Hing Cheong Lee, Mustafa Qadir Hameed, Alvaro Pascual-Leone, Takao K Hensch, Alexander Rotenberg
Many neuropsychiatric symptoms that follow traumatic brain injury (TBI), including mood disorders, sleep disturbance, chronic pain, and posttraumatic epilepsy (PTE) are attributable to compromised cortical inhibition. However, the temporal trajectory of cortical inhibition loss and its underlying mechanisms are not known. Using paired-pulse transcranial magnetic stimulation (ppTMS) and immunohistochemistry, we tracked functional and cellular changes of cortical inhibitory network elements after fluid-percussion injury (FPI) in rats...
November 30, 2016: Cerebral Cortex
https://www.readbyqxmd.com/read/27908840/prescription-opioid-taper-support-for-outpatients-with-chronic-pain-a-randomized-controlled-trial
#11
Mark D Sullivan, Judith A Turner, Cory DiLodovico, Angela D'Appolonio, Kari Stephens, Ya-Fen Chan
Patients receiving long-term opioid therapy for chronic pain and interested in tapering their opioid dose were randomly assigned to a 22-week taper support intervention (psychiatric consultation, opioid dose tapering, and 18 weekly meetings with a physician assistant to explore motivation for tapering and learn pain self-management skills) or usual care (N=35). Assessments were conducted at baseline and 22 and 34 weeks after randomization. Using an intention-to-treat approach, we constructed linear regression models to compare groups at each follow-up...
November 28, 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/27908839/the-transition-of-acute-postoperative-pain-to-chronic-pain-an-integrative-overview-of-research-on-mechanisms
#12
C Richard Chapman, Charles J Vierck
The nature of the transition from acute to chronic pain still eludes explanation, but chronic pain resulting from surgery provides a natural experiment that invites both clinical epidemiological investigation and basic scientific inquiry into the mechanisms of this transition. The primary purpose of this paper is to review current knowledge and hypotheses on the transition from acute to persistent postsurgical pain, summarizing literature on clinical epidemiological studies of persistent postsurgical pain development, as well as basic neurophysiological studies targeting mechanisms in the periphery, spinal cord, and brain...
November 28, 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/27908650/musculoskeletal-conditions-in-a-pediatric-population-with-ehlers-danlos-syndrome
#13
Courtney M Stern, Michael J Pepin, Joan M Stoler, Dennis E Kramer, Samantha A Spencer, Cynthia J Stein
OBJECTIVE: To describe musculoskeletal conditions in children with Ehlers-Danlos syndrome (EDS). STUDY DESIGN: A retrospective medical record review was performed, which evaluated 205 patients with EDS (ages 6-19 years) seen in sports medicine or orthopedic clinic at a large pediatric hospital over a 5-year period. RESULTS: Female (n = 147) and male (n = 57) patients were identified (mean age 12.7 years). The most common EDS subtype (55...
November 28, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27906954/review-of-controlled-substance-management-in-chronic-pain-a-balanced-approach
#14
Mark V Boswell
No abstract text is available yet for this article.
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27906949/pulsed-compared-to-thermal-radiofrequency-to-the-medial-calcaneal-nerve-for-management-of-chronic-refractory-plantar-fasciitis-a-prospective-comparative-study
#15
Ayman M Osman, Dina H El-Hammady, Mohamed M Kotb
BACKGROUND: Radiofrequency (RF) treatment is a minimally invasive procedure that has been used for more than 3 decades in treating various chronic pain syndromes. Conventional (continuous) RF treatment occasionally results in worsening or even initiating a new type of pain. The use of pulsed radiofrequency (PRF), which has a non- or minimally neurodestructive neuromodulatory effect, serves as an alternative to conventional RF therapy in many medical situations. OBJECTIVES: To evaluate the effect of applying PRF for 6 minutes vs...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27906933/anterior-cingulotomy-for-the-treatment-of-chronic-intractable-pain-a-systematic-review
#16
Justin Sharim, Nader Pouratian
BACKGROUND: Anterior cingulotomy for chronic pain aims to modulate patients' attention or emotional reaction to pain rather than to modulate pain intensity. OBJECTIVES: To evaluate the clinical efficacy, both short- and long-term, of anterior cingulotomy in the treatment of chronic pain. STUDY DESIGN: Systematic review. SETTING: This systematic review assessed studies reporting anterior cingulotomy for the treatment of chronic pain...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27906932/polyunsaturated-fatty-acids-and-chronic-pain-a-systematic-review-and-meta-analysis
#17
Jesus Prego-Dominguez, Fatine Hadrya, Bahi Takkouche
BACKGROUND: Chronic pain is one of the most frequent disease symptoms and represents a global health problem with a considerable economic burden. The role of polyunsaturated fatty acids (PUFA) in chronic pain conditions was debated during the last decade with conflicting results. OBJECTIVE: To assess whether polyunsaturated fatty acids intake is useful as a preventive or curative tool in chronic pain. STUDY DESIGN: Systematic review and meta-analysis...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27906080/tonic-and-burst-spinal-cord-stimulation-waveforms-for-the-treatment-of-chronic-intractable-pain-study-protocol-for-a-randomized-controlled-trial
#18
Konstantin V Slavin, Richard B North, Timothy R Deer, Peter Staats, Kristina Davis, Roni Diaz
BACKGROUND: Burst stimulation is a novel form of neurostimulation for the treatment of chronic pain which has demonstrated promise in small uncontrolled studies, but has not yet gained approval for use in the U.S. We report the study methods for an ongoing multicenter, randomized, controlled, cross-over study designed to gain United States Food and Drug Administration (FDA) approval for burst stimulation. METHODS: Participants who are candidates for a currently approved neurostimulation device were enrolled and screened...
December 1, 2016: Trials
https://www.readbyqxmd.com/read/27905525/inhibition-of-cystathionine-%C3%AE-synthetase-suppresses-sodium-channel-activities-of-dorsal-root-ganglion-neurons-of-rats-with-lumbar-disc-herniation
#19
Jun Yan, Shufen Hu, Kang Zou, Min Xu, Qianliang Wang, Xiuhua Miao, Shan Ping Yu, Guang-Yin Xu
The pathogenesis of pain in lumbar disc herniation (LDH) remains poorly understood. We have recently demonstrated that voltage-gated sodium channels (VGSCs) in dorsal root ganglion (DRG) neurons were sensitized in a rat model of LDH. However, the detailed molecular mechanism for sensitization of VGSCs remains largely unknown. This study was designed to examine roles of the endogenous hydrogen sulfide synthesizing enzyme cystathionine β-synthetase (CBS) in sensitization of VGSCs in a previously validated rat model of LDH...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904908/spreading-of-pain-and-insomnia-in-patients-with-chronic-pain-results-from-a-national-quality-registry-sqrp
#20
Peter Alföldi, Elena Dragioti, Tobias Wiklund, Björn Gerdle
OBJECTIVE: To explore how demographics, pain, psychosocial factors and insomnia relate to the spread of chronic pain. METHODS: The study included 708 patients (68% women; median age 46 years; interquartile range 35-57 years) with chronic pain who were referred to a multidisciplinary pain centre. Spreading of pain was assessed using a questionnaire covering 36 anatomically predefined pain regions. Data were collected on demographics, pain symptoms, psychological distress, and insomnia (Insomnia Severity Index)...
November 30, 2016: Journal of Rehabilitation Medicine
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