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https://www.readbyqxmd.com/read/28181561/peripheral-sensory-neuron-injury-contributes-to-neuropathic-pain-in-experimental-autoimmune-encephalomyelitis
#1
I-Ching Wang, Chen-Yen Chung, Fang Liao, Chih-Cheng Chen, Cheng-Han Lee
Multiple sclerosis (MS)-induced neuropathic pain deteriorates quality of life in patients but is often refractory to treatment. In experimental autoimmune encephalomyelitis (EAE), a rodent model of MS, animals develop neuropathy and inflammation-induced tissue acidosis, which suggests the involvement of acid-sensing ion channels (ASICs). Also, peripheral neuropathy is reported in MS patients. However, the involvement of the peripheral nervous system (PNS) in MS neuropathic pain remains elusive. This study investigated the contribution of ASICs and peripheral neuropathy in MS-induced neuropathic pain...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28160364/peripheral-nerve-stimulation-of-brachial-plexus-nerve-roots-and-supra-scapular-nerve-for-chronic-refractory-neuropathic-pain-of-the-upper-limb
#2
Bénédicte Bouche, Marie Manfiotto, Philippe Rigoard, Jean Lemarie, Véronique Dix-Neuf, Michel Lanteri-Minet, Denys Fontaine
OBJECTIVES: We report the outcome of a consecutive series of 26 patients suffering from chronic medically-refractory neuropathic pain of the upper limb (including 16 patients with complex regional pain syndrome), topographically limited, treated by brachial plexus (BP) nerve roots or supra-scapular nerve (SSN) peripheral nerve stimulation (PNS). MATERIALS AND METHODS: The technique consisted in ultrasound-guided percutaneous implantation of a cylindrical lead (Pisces-Quad, Medtronic) close to the SSN or the cervical nerve roots within the BP, depending on the pain topography...
February 3, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28116131/new-developments-in-the-pharmacotherapy-of-neuropathic-chronic-pelvic-pain
#3
REVIEW
Erin T Carey, Sawsan As-Sanie
Advancements in further understanding the pathophysiology of chronic pelvic pain syndromes continue to direct therapy. The mechanisms of chronic pelvic pain are often multifactorial and therefore require a multidisciplinary approach. The final treatment plan is often an accumulation of organ-specific treatment and chronic pain medications directed to the CNS and PNS. This article is a review of commonly used medications for chronic pelvic neuropathic pain disorders as well as an introduction to recent innovative developments in pain medicine...
December 2016: Future Science OA
https://www.readbyqxmd.com/read/28099193/the-effect-of-peripheral-nerve-stimulation-on-shoulder-biomechanics-a-randomized-controlled-trial-in-comparison-to-physical-therapy
#4
Richard D Wilson, Jayme S Knutson, Maria E Bennett, John Chae
OBJECTIVE: To establish the effects on shoulder biomechanics from a peripheral nerve stimulation (PNS) treatment compared to physical therapy (PT) in stroke survivors with chronic hemiplegic shoulder pain. DESIGN: Single-site, pilot, randomized controlled trial for adults with chronic shoulder pain after stroke. Participants were randomized to receive a 3-week treatment of single-lead PNS or physical therapy (PT). The outcomes included isometric shoulder abduction strength, pain-free shoulder external rotation range of motion (ROM), delay in initiation and termination of shoulder abduction electromyogram (EMG) activity, and the Fugl-Meyer Motor Assessment (upper extremity section)...
January 17, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28068329/the-primacy-of-nf1-loss-as-the-driver-of-tumorigenesis-in-neurofibromatosis-type-1-associated-plexiform-neurofibromas
#5
A Pemov, H Li, R Patidar, N F Hansen, S Sindiri, S W Hartley, J S Wei, A Elkahloun, S C Chandrasekharappa, J F Boland, S Bass, J C Mullikin, J Khan, B C Widemann, M R Wallace, D R Stewart
Neurofibromatosis type 1 (NF1) is a common tumor-predisposition disorder due to germline mutations in the tumor suppressor gene NF1. A virtually pathognomonic finding of NF1 is the plexiform neurofibroma (PN), a benign, likely congenital tumor that arises from bi-allelic inactivation of NF1. PN can undergo transformation to a malignant peripheral nerve sheath tumor, an aggressive soft-tissue sarcoma. To better understand the non-NF1 genetic contributions to PN pathogenesis, we performed whole-exome sequencing, RNASeq profiling and genome-wide copy-number determination for 23 low-passage Schwann cell cultures established from surgical PN material with matching germline DNA...
January 9, 2017: Oncogene
https://www.readbyqxmd.com/read/27978468/effect-of-panax-notoginseng-saponins-on-the-pharmacokinetics-of-aspirin-in-rats
#6
Zhihao Tian, Huanhuan Pang, Shouying Du, Yang Lu, Lin Zhang, Huichao Wu, Shuang Guo, Min Wang, Qiang Zhang
Aspirin (ASA) is widely used to treat fever, pain, inflammation and cerebral infarction in clinic. Panax Notoginseng Saponins (PNS) is the extracts of Panax Notoginseng (PN)-a traditional Chinese medicine extensively used in cardiovascular diseases. Panax notoginseng saponins and ASA are both widely used to treat cerebral infarction in China. Good results in clinical practice have been achieved when the two drugs were taken together. To investigate the effect of PNS on ASA in vivo, the concentrations of salicylic acid (SA) in blood were measured after oral administration of ASA or ASA combined with PNS by UPLC-MS/MS...
January 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/27957611/barrier-function-in-the-peripheral-and-central-nervous-system-a-review
#7
REVIEW
A K Reinhold, H L Rittner
The peripheral (PNS) and central nervous system (CNS) are delicate structures, highly sensitive to homeostatic changes-and crucial for basic vital functions. Thus, a selection of barriers ensures the protection of the nervous system from noxious blood-borne or surrounding stimuli. In this chapter, anatomy and functioning of the blood-nerve (BNB), the blood-brain (BBB), and the blood-spinal cord barriers (BSCB) are presented and the key tight junction (TJ) proteins described: claudin-1, claudin-3, claudin-5, claudin-11, claudin-12, claudin-19, occludin, Zona occludens-1 (ZO-1), and tricellulin are by now identified as relevant for nerval barriers...
January 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/27874939/health-status-correlates-of-malnutrition-in-the-polish-elderly-population-results-of-the-polsenior-study
#8
R Krzyminska-Siemaszko, J Chudek, A Suwalska, M Lewandowicz, M Mossakowska, R Kroll-Balcerzak, B Wizner, S Tobis, K Mehr, K Wieczorowska-Tobis
OBJECTIVE: The aim of the study was to analyze health-related factors associated with poor nutritional status (PNS) of a representative group of Polish older people, based on data from the PolSenior project (the first nation-wide study of Polish senior citizens). PATIENTS AND METHODS: Nutritional status was assessed in 3751 community-dwelling older people (1770 females, mean age: 77.4±8.0 years) using the Mini Nutritional Assessment - Short Form. Elements of comprehensive geriatric assessment (cognitive and mood screening), selected medical data were analyzed in relation to the nutritional status...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27859948/peripheral-nerve-stimulation-in-the-treatment-of-chronic-pain-syndromes-from-nerve-injury-a-multicenter-observational-study
#9
Gianni Colini Baldeschi, Alessandro Dario, Giuliano De Carolis, Nicola Luxardo, Massimo Natale, Paola Nosella, Alfonso Papa, Massimiliano Raggi, Claudio Reverberi
INTRODUCTION: Assessing the feasibility, technical implications, and clinical benefits of peripheral nerve stimulation (PNS) performed by an implantable pulse generator (IPG) located close to the stimulation site. MATERIALS AND METHODS: Selected patients were affected by neuropathic pain associated with a documented peripheral nerve lesion, refractory to conventional surgical or pharmacological treatment. A PNS system specifically designed for peripheral placement (Neurimpulse, Padova, Italy) was implanted and followed for six months, recording the degree of patient's satisfaction (PGI-I questionnaire), the pain numerical rating scale (NRS) and the quality of life (SF36 questionnaire), as well as any change in drug regimen and work capability...
November 16, 2016: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/27843774/long-term-clinical-outcome-of-peripheral-nerve-stimulation-for-chronic-headache-and-complication-prevention
#10
Linqiu Zhou, Avi Ashkenazi, Joseph W Smith, Na Jen, Timothy R Deer, Chen Zhou
BACKGROUND: Subcutaneous peripheral nerve stimulation (PNS) has emerged as a useful tool in the treatment of intractable headaches. However, complications such as skin erosion, infection and lead migration have adversely affected clinical outcome, and occasionally led to treatment cessation. OBJECTIVES: Here we report the results of peripheral nerve stimulator implantation performed on 24 patients with various chronic headaches at our center over a period of 9 years...
August 2016: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/27685349/screening-and-optimization-of-nerve-targets-and-parameters-reveals-inhibitory-effect-of-pudendal-stimulation-on-rat-bladder-hypersensitivity
#11
Timothy J Ness, Alan Randich, Dwight E Nelson, Xin Su
BACKGROUND AND OBJECTIVES: Neuromodulation has been reported to reliably improve symptoms of bladder overactivity and sometimes pain. The effect of electrical stimulation of several nerve pathways demonstrated to alter cystometric responses to bladder distension was examined on nociceptive responses in models of bladder hypersensitivity. METHODS: Bladder hypersensitivity was produced by several published methods including neonatal inflammation, acute inflammation, and chronic stress...
November 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27671799/review-of-recent-advances-in-peripheral-nerve-stimulation-pns
#12
REVIEW
Krishnan Chakravarthy, Andrew Nava, Paul J Christo, Kayode Williams
Peripheral nerve stimulation (PNS) for the treatment of chronic pain has become an increasingly important field in the arena of neuromodulation, given the ongoing advances in electrical neuromodulation technology since 1999 permitting minimally invasive approaches using an percutaneous approach as opposed to implantable systems. Our review aims to provide clinicians with the recent advances and studies in the field, with specific emphasis on clinical data and indications that have been accumulated over the last several years...
November 2016: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/27410163/immediate-and-short-term-effects-of-the-combination-of-dry-needling-and-percutaneous-tens-on-post-needling-soreness-in-patients-with-chronic-myofascial-neck-pain
#13
Jose V León-Hernández, Aitor Martín-Pintado-Zugasti, Laura G Frutos, Isabel M Alguacil-Diego, Ana I de la Llave-Rincón, Josue Fernandez-Carnero
Background: Dry needling (DN) and percutaneous electrical nerve stimulation (PENS) are widely used techniques in the treatment of myofascial pain. Objective: To investigate the immediate and short-term effects of the combination of DN and PENS compared to DN alone on the upper trapezius muscle. Method: This is a 72-hour follow-up single-blinded randomized controlled trial. Sixty-two volunteer patients with chronic myofascial neck pain with active Myofascial Trigger Points (MTrPs) in the upper trapezius muscle were recruited...
July 11, 2016: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/27340642/comparative-study-of-diagnostic-nasal-endoscopy-and-ct-paranasal-sinuses-in-diagnosing-chronic-rhinosinusitis
#14
Sweta S Lohiya, Seema V Patel, Apurva M Pawde, Bhagyashree D Bokare, Prafulla T Sakhare
Evaluation of the accuracy of objective diagnostic modalities for chronic rhinosinusitis and their comparison to each other to reach the correct diagnosis with minimum cost and highest accuracy. Prospective diagnostic cohort study. Academic medical center. Subjects more than 10 years of age presenting for evaluation of chronic rhinosinusitis, not responding to 12 weeks of medical treatment, suffering from at least 2 or more of the following symptoms- nasal obstruction, anterior and or posterior nasal discharge, headache or facial pains, and abnormalities of smell were prospectively studied...
June 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27275045/incidence-of-hemidiaphragmatic-paresis-after-peripheral-nerve-stimulator-versus-ultrasound-guided-interscalene-brachial-plexus-block
#15
Poonam Sachin Ghodki, Noopur Dasmit Singh
BACKGROUND AND AIMS: We compared interscalene brachial plexus block (ISBPB) using peripheral nerve stimulation (PNS) and ultrasound (US) techniques. The primary outcomes were the incidence of hemidiaphragmatic paresis (HDP) and the duration of the block. Secondary outcomes were the block success rate, time to conduct the block, onset of sensory block, and dermatomal spread, postoperative pain by Numeric Rating Scale (NRS), duration of postoperative analgesia and incidence of complications...
April 2016: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/27233519/voltage-gated-ion-channels-in-the-pns-novel-therapies-for-neuropathic-pain
#16
REVIEW
Gareth R Tibbs, David J Posson, Peter A Goldstein
Neuropathic pain arises from injury to the nervous system. Conditions associated with neuropathic pain are diverse, and lesions and/or pathological changes in the central nervous system (CNS) or peripheral nervous system (PNS) can frequently, but not always, be identified. It is difficult to treat, with patients often on multiple, different classes of medications, all with appreciable adverse side effect profiles. Consequently, there is a pressing need for the development of new medications. The development of such therapeutics is predicated on a clear understanding of the relevant molecular and cellular processes that contribute to the development, and maintenance, of the neuropathic pain state...
July 2016: Trends in Pharmacological Sciences
https://www.readbyqxmd.com/read/27151423/axonopathy-in-peripheral-neuropathies-mechanisms-and-therapeutic-approaches-for-regeneration
#17
REVIEW
Lila M Landowski, P James B Dyck, JaNean Engelstad, Bruce V Taylor
Peripheral neuropathies (PNs) are injuries or diseases of the nerves which arise from varied aetiology, including metabolic disease, trauma and drug toxicity. The clinical presentation depends on the type of neuropathy, and may include the loss of motor, sensory and autonomic functions, or development of debilitating neuropathic pain distal to the injury site. It can be challenging to identify the aetiology of PNs, as the clinical syndromes are often indistinct. However, the mechanisms that underlie pathological changes in peripheral neuropathy are fundamentally different, depending on the trigger...
October 2016: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/27067460/beyond-the-classic-eicosanoids-peripherally-acting-oxygenated-metabolites-of-polyunsaturated-fatty-acids-mediate-pain-associated-with-tissue-injury-and-inflammation
#18
REVIEW
Haim Shapiro, Pierre Singer, Amiram Ariel
Pain is a complex sensation that may be protective or cause undue suffering and loss of function, depending on the circumstances. Peripheral nociceptor neurons (PNs) innervate most tissues, and express ion channels, nocisensors, which depolarize the cell in response to intense stimuli and numerous substances. Inflamed tissues manifest inflammatory hyperalgesia in which the threshold for pain and the response to painful stimuli are decreased and increased, respectively. Constituents of the inflammatory milieu sensitize PNs, thereby contributing to hyperalgesia...
August 2016: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/27055535/effect-of-lipid-composition-in-propofol-formulations-decisive-component-in-reducing-the-free-propofol-content-and-improving-pharmacodynamic-profiles
#19
Sharad S Darandale, Ganesh B Shevalkar, Pradeep R Vavia
Current endeavor was aimed towards studying significance of lipid composition on free propofol concentration in aqueous phase and associated pain on injection. Three different nanoformulations, namely long-chain triglyceride (LCT)/medium-chain glyceride (MCG)-based nanoemulsion (ProNano), MCG-based self-nanoemulsifying formulation (PSNE), and lipid-free nanoformulation (PNS) were accessed for the same. In vitro and in vivo performances of developed formulations were compared with Diprivan®. ProNano showed minimum free propofol concentration (0...
February 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/27021207/acceptance-and-commitment-therapy-in-youth-with-neurofibromatosis-type-1-nf1-and-chronic-pain-and-their-parents-a-pilot-study-of-feasibility-and-preliminary-efficacy
#20
Staci Martin, Pamela L Wolters, Mary Anne Toledo-Tamula, Shawn Nelson Schmitt, Andrea Baldwin, Amy Starosta, Andrea Gillespie, Brigitte Widemann
Neurofibromatosis type 1 (NF1) is an autosomal dominant genetic disorder affecting about 1 in 3,500 individuals. Chronic pain is commonly reported among individuals with NF1 and plexiform neurofibroma tumors (PNs). Acceptance and Commitment Therapy (ACT), an empirically supported method for addressing chronic pain, helps individuals re-focus on valued relationships and activities. This pilot study investigated the feasibility and preliminary efficacy of a brief ACT workshop in the NF1 population. Eligible participants included adolescents and young adults (AYA; 12-21 years) with NF1 and chronic pain that interfered with daily functioning and their parents...
June 2016: American Journal of Medical Genetics. Part A
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