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Mechanical neck pain

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https://www.readbyqxmd.com/read/28622486/the-physiological-basis-of-cervical-facet-mediated-persistent-pain-basic-science-and-clinical-challenges
#1
Meagan E Ita, Sijia Zhang, Timothy P Holsgrove, Sonia Kartha, Beth A Winkelstein
Synopsis Chronic neck pain is common and a primary clinical symptom of whiplash and other spinal injuries. Loading-induced neck injuries produce abnormal kinematics between the vertebrae, with the potential to injure facet joints and the afferent fibers that innervate the specific joint tissues, including the capsular ligament. Mechanoreceptive and nociceptive afferents that innervate the facet have their peripheral terminals in the capsule, cell bodies in the dorsal root ganglia, and terminal processes in the spinal cord...
June 16, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28602354/head-and-neck-cancer-pain
#2
REVIEW
Jakun W Ing
Pain is a significant morbidity resulting from head and neck cancer. Pain may also be the result of the treatments directed against head and neck cancer. An experienced practitioner may manage this pain by understanding the multifactorial mechanisms of pain and the various pharmacotherapies available. Pain should be managed with multiple medications in a multimodal approach, and nonpharmacologic therapies should be considered as well.
June 8, 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28600329/effect-of-electroacupuncture-on-thermal-pain-threshold-and-expression-of-calcitonin-gene-related-peptide-substance-p-and-%C3%AE-aminobutyric-acid-in-the-cervical-dorsal-root-ganglion-of-rats-with-incisional-neck-pain
#3
Li-Na Qiao, Jun-Ling Liu, Lian-Hong Tan, Hai-Long Yang, Xu Zhai, Yong-Sheng Yang
OBJECTIVE: Acupuncture therapy effectively reduces post-surgical pain, but its mechanism of action remains unclear. The aim of this study was to investigate whether expression of γ-aminobutyric acid (GABA) and the neuropeptides substance P (SP) and calcitonin gene-related peptide (CGRP) in the primary sensory neurons of cervical dorsal root ganglia (DRG) are involved in electroacupuncture (EA)-induced analgesia in a rat model of incisional neck pain. METHODS: The pain model was established by making a longitudinal midline neck incision in 60 rats...
June 9, 2017: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/28596056/development-and-initial-validation-of-a-sensory-threshold-examination-protocol-step-for-phenotyping-canine-pain-syndromes
#4
Sandra Sanchis-Mora, Yu-Mei Chang, Siobhan Abeyesinghe, Amy Fisher, Holger A Volk, Ludovic Pelligand
OBJECTIVE: To study the feasibility and test-retest repeatability of a sensory threshold examination protocol (STEP) and report the quantitative sensory threshold distributions in healthy dogs. STUDY DESIGN: Prospective, observational, cohort study. ANIMALS: Twenty-five healthy client-owned dogs. METHODS: Tactile sensitivity test (TST) (von Frey filaments), mechanical thresholds (MT with 2, 4 and 8 mm probes), heat thresholds (HT) and responsiveness to cold stimulus (CT at 0 °C) were quantitatively assessed for five body areas (BAs; tibias, humeri, neck, thoracolumbar region and abdomen) in a randomized order on three different occasions...
February 24, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28591080/muscle-pain-induces-a-shift-of-the-spatial-distribution-of-upper-trapezius-muscle-activity-during-a-repetitive-task-a-mechanism-for-perpetuation-of-pain-with-repetitive-activity
#5
Deborah Falla, Corrado Cescon, Rene Lindstroem, Marco Barbero
OBJECTIVE: An association exists between repetitive movements and neck-shoulder muscle pain. The mechanisms underlying this association remain unclear. This observational study investigated the effect of upper trapezius muscle pain on the distribution of upper trapezius activity during repetitive lifting. It was hypothesized that nociception would change the distribution of activity resulting in activation of muscle regions which would not normally be active during the task. MATERIALS AND METHODS: Healthy men repeatedly lifted a box with a cycle time of 3 seconds for 50 cycles, at baseline, following injection of isotonic and hypertonic saline into the upper trapezius muscle and 15 minutes after the last injection...
June 6, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28589334/are-there-differences-in-gait-mechanics-in-patients-with-a-fixed-versus-mobile-bearing-total-ankle-arthroplasty-a-randomized-trial
#6
Robin M Queen, Christopher T Franck, Daniel Schmitt, Samuel B Adams
BACKGROUND: Total ankle arthroplasty (TAA) is an alternative to arthrodesis, but no randomized trial has examined whether a fixed bearing or mobile bearing implant provides improved gait mechanics. QUESTIONS/PURPOSES: We wished to determine if fixed- or mobile-bearing TAA results in a larger improvement in pain scores and gait mechanics from before surgery to 1 year after surgery, and to quantify differences in outcomes using statistical analysis and report the standardized effect sizes for such comparisons...
June 6, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28581034/the-clinical-features-risk-factors-and-surgical-treatment-of-cervicogenic-headache-in-patients-with-cervical-spine-disorders-requiring-surgery
#7
Keiko Shimohata, Kazuhiro Hasegawa, Osamu Onodera, Masatoyo Nishizawa, Takayoshi Shimohata
OBJECTIVE: To clarify the clinical features and risk factors of cervicogenic headache (CEH; as diagnosed according to the International Classification of Headache Disorders-Third Edition beta) in patients with cervical spine disorders requiring surgery. BACKGROUND: CEH is caused by cervical spine disorders. The pathogenic mechanism of CEH is hypothesized to involve a convergence of the upper cervical afferents from the C1, C2, and C3 spinal nerves and the trigeminal afferents in the trigeminocervical nucleus of the upper cervical cord...
June 5, 2017: Headache
https://www.readbyqxmd.com/read/28579851/transformation-of-follicular-lymphoma-to-a-high-grade-b-cell-lymphoma-with-myc-and-bcl2-translocations-and-overlapping-features-of-burkitt-lymphoma-and-acute-lymphoblastic-leukemia-a-case-report-and-literature-review
#8
Alina M Bischin, Russell Dorer, David M Aboulafia
Most commonly, histologic transformation (HT) from follicular lymphoma (FL) manifests as a diffuse large B-cell lymphoma, not otherwise specified (DLBCL, NOS). Less frequently, HT may result in a high-grade B-cell lymphoma (HGBL) with MYC and B-cell lymphoma protein 2 (BCL2) and/or BCL6 gene rearrangements, also known as "double-hit" or "triple-hit" lymphomas. In the 2016 revision of the World Health Organization (WHO) classification of lymphoid neoplasms, the category B-cell lymphoma, unclassifiable was eliminated due to its vague criteria and limiting diagnostic benefit...
2017: Clinical Medicine Insights. Blood Disorders
https://www.readbyqxmd.com/read/28576213/mechanical-exposure-of-ophthalmic-surgeons-a-quantitative-ergonomic-evaluation-of-indirect-ophthalmoscopy-and-slit-lamp-biomicroscopy
#9
Conrad Shaw, Rabia Bourkiza, Louisa Wickham, Ian Mccarthy, Cordelia Mckechnie
OBJECTIVE: Vitreoretinal (VR) surgeons have high rates of spinal pain. The aim of this study was to investigate if VR surgeons adopt more complex postures in indirect ophthalmoscopy procedures compared with procedures involving the slit-lamp or operating microscope. METHODS: Postures of the neck, back, and overall spine were measured by inclinometers on 13 VR surgeons. Each doctor was measured during 3 indirect examinations and 3 slit-lamp examinations (SLE), and then during 1 operating microscope procedure (phacoemulsification/vitrectomy) and 1 indirect procedure (indirect laser or cryotherapy/buckle)...
June 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28574927/altered-functional-connectivity-of-the-periaqueductal-gray-in-chronic-neck-and-shoulder-pain
#10
Cheng-Xin Yu, Bo Li, Ya-Ka Xu, Ting-Ting Ji, Liang Li, Chang-Jiang Zhao, Long Chen, Zhi-Zheng Zhuo
Chronic neck and shoulder pain with cervical spondylotic radiculopathy (CNSP-CSR) is one of the most common clinical chronic pain diseases. This study aimed to investigate the abnormal patterns in functional connectivity (FC) pertaining to the periaqueductal gray matter (PAG) in patients with CNSP-CSR. A seed-based FC analysis was carried out for the right ventrolateral PAG and a correlation analysis was carried out with pain intensity, duration, and the extracted mean z scores. The PAG FC was significantly positively associated with the right orbital inferior frontal gyrus, supramarginal gyrus/postcentral gyrus, putamen, and the left anterior cingulate cortex, and significant negative FC was observed in the right lingual gyrus/occipital cortex in patients with CNSP-CSR...
June 1, 2017: Neuroreport
https://www.readbyqxmd.com/read/28554588/pathologic-c-spine-fracture-with-low-risk-mechanism-and-normal-physical-exam
#11
Andrew Hunter, Jolion McGreevy, Judith Linden
Cervical spinal fracture is a rare, but potentially disabling complication of trauma to the neck. Clinicians often rely on clinical decision rules and guidelines to decide whether or not imaging is necessary when a patient presents with neck pain. Validated clinical guidelines include the Canadian C-Spine Rule and the Nexus criteria. Studies suggest that the risks of a pathologic fracture from a simple rear end collision are negligible. We present a case of an individual who presented to an emergency department (ED) after a low speed motor vehicle collision complaining of lateral neck pain and had multiple subsequent visits for the same complaint with negative exam findings...
May 23, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28543518/green-discolouration-of-urine-following-propofol-infusion-in-a-dog
#12
D Flaherty, A Auckburally
A three-year-old, female neutered Weimaraner was presented with a history of neck pain and tetraparesis. MRI revealed an extradural mass at the level of C3 vertebra, which was thought to be a spinal abscess, and the dog was scheduled for surgical exploration the following morning. Overnight the dog developed an exaggerated ventilatory pattern, with paradoxical inward movement of the thorax on inspiration. Arterial blood gas analysis revealed respiratory acidosis and ventilator support was initiated to prevent excessive respiratory fatigue...
May 25, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28535548/is-traumatic-and-non-traumatic-neck-pain-associated-with-brain-alterations-a-systematic-review
#13
Robby DePauw, Iris Coppieters, Mira Meeus, Karen Caeyenberghs, Lieven Danneels, Barbara Cagnie
BACKGROUND: Chronic neck pain affects 50% - 85% of people who have experienced an acute episode. This transition and the persistence of chronic complaints are believed to be mediated by brain alterations among different central mechanisms. OBJECTIVES: This study aimed to systematically review and critically appraise the current existing evidence regarding structural and functional brain alterations in patients with whiplash associated disorders (WAD) and idiopathic neck pain (INP)...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28503039/the-possible-role-of-meditation-in-myofascial-pain-syndrome-a-new-hypothesis
#14
Prashanth Panta
BACKGROUND OF HYPOTHESIS: Myofascial pain syndrome (MPS) is the most common musculoskeletal pain disorder of the head and neck area. In the past, several theories were put forth to explain its origin and nature, but none proved complete. Myofascial pain responds to changing psychological states and stress, anxiety, lack of sleep, anger, depression and chronic pain are direct contributional factors. Myofascial pain syndrome may be considered as a psychosomatic disorder. There are numerous accepted palliative approaches, but of all, relaxation techniques stand out and initiate healing at the base level...
April 2017: Indian Journal of Palliative Care
https://www.readbyqxmd.com/read/28486045/in-vitro-generated-intervertebral-discs-towards-engineering-tissue-integration
#15
Jonathan Iu, Eric Massicotte, Shu-Qiu Li, Mark B Hurtig, Ehsan Toyserkani, J Paul Santerre, Rita Kandel
The intervertebral disc (IVD) is composed of nucleus pulposus (NP) surrounded by multilamellated annulus fibrosus (AF), and is located between the vertebral bodies. Current treatments for chronic neck or low back pain do not completely restore the functionality of degenerated IVDs. Thus developing biological disc replacements is an approach of great interest. Given the complex structure of the IVD, tissue engineering of the individual IVD components and then combining them together may be the only way to achieve this...
May 9, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28484718/adaptations-in-evoked-pain-sensitivity-and-conditioned-pain-modulation-after-development-of-chronic-neck-pain
#16
Bahar Shahidi, Katrina S Maluf
Numerous studies demonstrate elevated pain sensitivity and impaired conditioned pain modulation (CPM) in patients with chronic musculoskeletal pain compared to healthy individuals; however, the time course of changes in pain sensitivity and CPM after the development of a chronic pain condition is unclear. Secondary analysis of data from a prospective investigation examined changes in evoked pain sensitivity and CPM before and after development of chronic neck pain (CNP). 171 healthy office workers participated in a baseline assessment, followed by monthly online questionnaires to identify those who developed CNP over the subsequent year...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28480437/bibliometric-analysis-of-acupuncture-research-fronts-and-their-worldwide-distribution-over-three-decades
#17
Jun-Ying Fu, Xu Zhang, Yun-Hua Zhao, He-Feng Tong, Dar-Zen Chen, Mu-Hsuan Huang
BACKGROUND: Considerable research has been conducted on acupuncture worldwide. This study chronologically examined the changing features and research fronts of acupuncture and elucidated the differences among the six most productive countries. METHODS: Bibliographic coupling is a powerful tool for identifying the research fronts of a field. Acupuncture-related publications worldwide and from the six most productive countries during 1983-2012 were retrieved from the Science Citation Index Expanded and Social Science Citation Index...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28466181/-low-level-laser-therapy-a-narrative-literature-review-on-the-efficacy-in-the-treatment-of-rheumatic-orthopaedic-conditions
#18
REVIEW
A W A Baltzer, D Stosch, F Seidel, M S Ostapczuk
BACKGROUND: In low level laser therapy (LLLT) low wattage lasers are used to irradiate the affected skin areas, joints, nerves, muscles and tendons without any sensation or thermal damage. Although the exact mechanism of its effect is still unknown, it seems beyond dispute that LLLT induces a variety of stimulating processes at the cellular level affecting cell repair mechanisms, the vascular system and lymphatic system. LLLT has been popular among orthopaedic practitioners for many years, whereas university medicine has remained rather sceptical about it...
May 2, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28461275/isolated-transverse-process-fractures-and-markers-of-associated-injuries-the-ucla-experience
#19
Timothy T Bui, Daniel T Nagasawa, Carlito Lagman, Cheng Hao Jacky Chen, Lawrance K Chung, Brittany L Voth, Joel S Beckett, Alexander M Tucker, Tianyi Niu, Bilwaj Gaonkar, Isaac Yang, Luke Macyszyn
OBJECTIVES: To report a single-institution experience with isolated transverse process fractures (ITPFs) and provide increasing support for the development of evidence-based guidelines. Additionally, the authors evaluate the presence of concerning symptoms or red flags that may indicate additional, underlying injuries in the setting of ITPFs. METHODS: The Ronald Reagan UCLA Medical Center patient database was queried (years 2005 to 2016) using International Classification of Diseases, Ninth Revision code 805: fracture of the vertebral column without mention of spinal cord injury...
April 28, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28438745/management-of-chronic-pain-using-complementary-and-integrative-medicine
#20
REVIEW
Lucy Chen, Andreas Michalsen
Complementary and integrative medicine (CIM) encompasses both Western-style medicine and complementary health approaches as a new combined approach to treat a variety of clinical conditions. Chronic pain is the leading indication for use of CIM, and about 33% of adults and 12% of children in the US have used it in this context. Although advances have been made in treatments for chronic pain, it remains inadequately controlled for many people. Adverse effects and complications of analgesic drugs, such as addiction, kidney failure, and gastrointestinal bleeding, also limit their use...
April 24, 2017: BMJ: British Medical Journal
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