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https://www.readbyqxmd.com/read/28339446/pulsed-radiofrequency-ablation-of-pudendal-nerve-for-treatment-of-a-case-of-refractory-pelvic-pain
#1
Vadim Petrov-Kondratov, Avneesh Chhabra, Stephanie Jones
Pudendal neuralgia (PN) is a result of pudendal nerve entrapment or injury, also called "Alcock syndrome." Pain that develops is often chronic, and at times debilitating. If conservative measures fail, invasive treatment modalities can be considered. The goal of this case report is to add to a small body of literature that a pulsed radiofrequency (PRF) ablation can be effectively used to treat PN and to show that high resolution MR neurography imaging can be used to detect pudendal neuropathy. CASE PRESENTATION: We present a case of a 51-year-old woman with 5 years of worsening right groin and vulva pain...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28331643/hemifacial-pain-and-hemisensory-disturbance-referred-from-occipital-neuralgia-caused-by-pathological-vascular-contact-of-the-greater-occipital-nerve
#2
Byung-Chul Son, Jin-Gyu Choi
Here we report a unique case of chronic occipital neuralgia caused by pathological vascular contact of the left greater occipital nerve. After 12 months of left-sided, unremitting occipital neuralgia, a hypesthesia and facial pain developed in the left hemiface. The decompression of the left greater occipital nerve from pathological contacts with the occipital artery resulted in immediate relief for hemifacial sensory change and facial pain, as well as chronic occipital neuralgia. Although referral of pain from the stimulation of occipital and cervical structures innervated by upper cervical nerves to the frontal head of V1 trigeminal distribution has been reported, the development of hemifacial sensory change associated with referred trigeminal pain from chronic occipital neuralgia is extremely rare...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/28325536/self-reported-neuropathic-pain-characteristics-of-women-with-provoked-vulvar-pain-a-preliminary-investigation
#3
Emma Dargie, Ian Gilron, Caroline F Pukall
BACKGROUND: Provoked vestibulodynia (PVD) is a common chronic genital pain condition affecting approximately 12% of premenopausal women. Although parallels have been drawn between PVD and neuropathic pain (NP), no studies have examined self-reported NP characteristics in PVD. AIM: To explore pain symptoms that resemble NP reported by those with PVD and compare responses with those with an established NP condition. METHODS: Women with provoked vulvar pain (PVP; n = 65) completed online questionnaires designed to assess characteristics of NP...
March 15, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28324318/botulinum-neurotoxin-type-a-for-the-treatment-of-pain-not-just-in-migraine-and-trigeminal-neuralgia
#4
Giorgio Sandrini, Roberto De Icco, Cristina Tassorelli, Nicola Smania, Stefano Tamburin
BACKGROUND: Despite their huge epidemiological impact, primary headaches, trigeminal neuralgia and other chronic pain conditions still receive suboptimal medical approach, even in developed countries. The limited efficacy of current pain-killers and prophylactic treatments stands among the main reasons for this phenomenon. Botulinum neurotoxin (BoNT) represents a well-established and licensed treatment for chronic migraine, but also an emerging treatment for other types of primary headache, trigeminal neuralgia, neuropathic pain, and an increasing number of pain conditions...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28279552/a-brief-high-dose-remifentanil-infusion-partially-reverses-neuropathic-pain-in-a-subgroup-of-post-herpetic-neuralgia-patients
#5
Julian Prosenz, Herwig Kloimstein, Ulrich Thaler, Ruth Drdla-Schutting, Jürgen Sandkühler, Burkhard Gustorff
Mechanism-based therapy for chronic pain is desperately needed. Recent basic science research demonstrated that remifentanil can reverse long-term potentiation at C-fiber synapses in the dorsal horn of rats. In this exploratory, single group study, patients with chronic post-herpetic pain were treated with a single, one-hour, high-dose remifentanil infusion. The mean overall change of pain intensity seven days after treatment was -18 (-7.5; -28.5, 95%CI, p<0.001) points on the numeric rating scale (0-100) (-33 (±11) points amongst responders only)...
March 6, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28275605/unrelenting-ocular-pain-as-a-masquerading-symptom-of-occult-choroidal-metastasis
#6
Jordan D Deaner, Renelle Pointdujour-Lim, Emil Anthony T Say, Carol L Shields
PURPOSE: To report a case of chronic eye pain as a presenting feature of choroidal metastasis from lung cancer. METHODS: We report the case of a 58-year-old Caucasian woman with stage IV lung adenocarcinoma presenting with an 8-month history of left eye pain and blurred vision. RESULTS: The patient had previously consulted 14 ophthalmologists with varying diagnoses including posterior scleritis and trigeminal neuralgia. Visual acuity at presentation was 20/20 in the right eye and 20/80 in the left eye...
January 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/28245659/patient-characteristics-and-healthcare-utilization-of-a-chronic-pain-population-within-an-integrated-healthcare-system
#7
Robert J Romanelli, Sonali N Shah, Laurence Ikeda, Braden Lynch, Terri L Craig, Joseph C Cappelleri, Trevor Jukes, Denis Ishisaka
OBJECTIVES: We sought to characterize the chronic pain (CP) population and healthcare utilization across types of CP within a community-based healthcare system. STUDY DESIGN: Cross-sectional study of electronic health records data from 2012. METHODS: Patients 18 years or older with at least 2 encounter diagnoses for CP conditions in 2012 were included in the study. Patients were categorized into non-mutually exclusive CP types: arthritis/joint pain, back/cervical pain, neuropathies/neuralgias, headaches/migraines, and unclassified pain...
February 1, 2017: American Journal of Managed Care
https://www.readbyqxmd.com/read/28231681/noninvasive-transcranial-direct-current-stimulation-tdcs-for-the-treatment-of-orofacial-pain
#8
Jitka Fricova, Katerina Englerova, Richard Rokyta
OBJECTIVE: tDCS is a promising method for the treatment of chronic pain. Electrode placement locations must be chosen in accordance with the density and the time course of the current in order to prevent pathological changes in the underlying tissue. In order to reduce current spatial variability, more electrodes of the same polarity are placed in a circle around the second electrode of the opposite polarity. The applied current produced the greatest changes directly beneath the electrodes: the cathode reduces the excitability of cortical neurons, while the anode has the opposite effect...
October 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28223844/neuronal-plasticity-of-trigeminal-ganglia-in-mice-following-nerve-injury
#9
Randi Lynds, Chuang Lyu, Gong-Wei Lyu, Xie-Qi Shi, Annika Rosén, Kamal Mustafa, Tie-Jun Sten Shi
BACKGROUND: Nerve injury may induce neuropathic pain. In studying the mechanisms of orofacial neuropathic pain, attention has been paid to the plastic changes that occur in the trigeminal ganglia (TGs) and nucleus in response to an injury of the trigeminal nerve branches. Previous studies have explored the impact of sciatic nerve injury on dorsal root ganglia (DRGs) and it has shown dramatic changes in the expression of multiple biomarkers. In large, the changes in biomarker expression in TGs after trigeminal nerve injury are similar to that in DRGs after sciatic nerve injury...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28223842/development-of-a-novel-algorithm-to-determine-adherence-to-chronic-pain-treatment-guidelines-using-administrative-claims
#10
Jay M Margolis, Nicole Princic, David M Smith, Lucy Abraham, Joseph C Cappelleri, Sonali N Shah, Peter W Park
OBJECTIVE: To develop a claims-based algorithm for identifying patients who are adherent versus nonadherent to published guidelines for chronic pain management. METHODS: Using medical and pharmacy health care claims from the MarketScan® Commercial and Medicare Supplemental Databases, patients were selected during July 1, 2010, to June 30, 2012, with the following chronic pain conditions: osteoarthritis (OA), gout (GT), painful diabetic peripheral neuropathy (pDPN), post-herpetic neuralgia (PHN), and fibromyalgia (FM)...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28217812/-effects-of-tetramethylpyrazine-on-trigeminal-neuralgia-induced-by-chronic-constriction-injury-of-infraorbital-nerve-in-rats
#11
Meng-Xia Tan, Wei Xiong, Ling-Kun He, Ling-Kun He, Guo Yang, Li-Ping Huang, Yu-Lin Shen, Shang-Dong Liang, Yun Gao
Trigeminal neuralgia (TN) is a kind of recurrent transient and severe pain that is limited to the trigeminal nerve in one or more branches. The clinical incidence of TN is high, which seriously affects the quality of life of the patients and is difficult to cure. The present study investigated the effects of tetramethylpyrazine (TMP) on TN induced by chronic constriction injury of the infraorbital nerve (ION-CCI) in rats. Adult male Sprague-Dawley rats were randomly assigned to four groups: sham, sham treated with TMP (Sham+TMP), TN model (TN), and TN treated with TMP (TN+TMP)...
February 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28210404/infraorbital-nerve-decompression-for-infraorbital-neuralgia-causalgia-following-blowout-orbital-fractures-a-case-series
#12
Bijan Beigi, Mazda Beigi, Nuwan Niyadurupola, Manuel Saldana, Nabil El-Hindy, Deepak Gupta
The purpose of this study was to present the management of a series of patients referred with infraorbital nerve paraesthesia that developed after insignificant orbital floor fracture without diplopia or exophthalmos, and that did not require initial surgical repair. This is a retrospective interventional case series. The main outcome and measures were assessment of preoperative symptoms including neuralgia and sensory symptoms; review of periorbital computed tomography (CT) scans; and assessment of postoperative effects of surgery for infraorbital nerve decompression...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28184169/differential-drug-effects-on-spontaneous-and-evoked-pain-behavior-in-a-model-of-trigeminal-neuropathic-pain
#13
K Deseure, G H Hans
PURPOSE: Baclofen and morphine have shown efficacy against mechanical allodynia after infraorbital nerve chronic constriction injury (IoN-CCI). No drug effects have yet been reported on spontaneous trigeminal neuropathic pain. It has been proposed that the directed face grooming behavior that also develops following IoN-CCI offers a measure of spontaneous trigeminal neuropathic pain. SUBJECTS AND METHODS: We examined the effects of a continuous 1-week infusion of 30 mg/day carbamazepine (the first-line drug treatment for trigeminal neuralgia), 1...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28158168/ultrasound-guided-radiofrequency-lesioning-of-the-articular-branches-of-the-femoral-nerve-for-the-treatment-of-chronic-post-arthroplasty-hip-pain
#14
David J Kim, Shiqian Shen, George M Hanna
BACKGROUND: Total hip arthroplasty (THA) is a common surgical treatment for several conditions of the hip. While the majority of patients obtain satisfactory results, many develop chronic post-arthroplasty hip pain that can be difficult to treat. OBJECTIVE: We evaluate the effectiveness of cooled (60°C) radiofrequency lesioning of the articular branches of the femoral nerve (ABFN) as a minimally invasive treatment for patients suffering from chronic post-arthroplasty hip pain...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28158167/the-rare-painful-phenomena-chronic-paroxysmal-hemicrania-tic-syndrome-as-a-clinically-isolated-syndrome-of-the-central-nervous-system
#15
Srdjan Ljubisavljevic, Ana Prazic, Miodrag Lazarevic, Dragan Stojanov, Dejan Savic, Slobadan Vojinovic
The association of paroxysmal hemicrania with trigeminal neuralgia (TN) has been described and called paroxysmal hemicrania-tic syndrome (PH-tic). We report the case of a patient diagnosed as having chronic PH-tic (CPH-tic) syndrome as a clinically isolated syndrome of the central nervous system (CNS) (CIS).A forty year old woman was admitted to our hospital suffering from right facial pain for the last 2 years. The attacks were paroxysmal, neuralgiform, consisting of throb-like sensations, which developed spontaneously or were triggered by different stimuli in right facial (maxilar and mandibular) areas...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28158166/abnormal-local-brain-activity-beyond-the-pain-matrix-in-postherpetic-neuralgia-patients-a-resting-state-functional-mri-study
#16
Song Cao, Ganjun Song, Yi Zhang, Peng Xie, Ye Tu, Ying Li, Tian Yu, Buwei Yu
BACKGROUND: Postherpetic neuralgia (PHN) patients suffer debilitating chronic pain, hyperalgesia, and allodynia, as well as emotional disorders such as insomnia, anxiety, and depression. The brain structure and functional basis of PHN are still not fully understood. OBJECTIVES: To identify the changes of regional brain activity in resting-state PHN patients using regional homogeneity (ReHo) and fractional aptitude of low-frequency fluctuation (fALFF) methods. Correlations between spontaneous pain intensity and ReHo or fALFF were analyzed...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28158153/trigeminal-neuralgia-induced-by-cobra-venom-leads-to-cognitive-deficits-associated-with-downregulation-of-creb-bdnf-pathway
#17
Li Zhang, Xinli Ding, Zhe Wu, Xiaoyan Qian, Jianxiong An, Ming Tian
BACKGROUND: Chronic pain often results in cognitive impairment. Our previous study showed that trigeminal neuralgia induced by cobra venom leads to spatial learning and memory deficits, although the underlying mechanism remains unclear. However, recent evidence indicates that the c-AMP-responsive element binding protein (CREB)/brain derived neurotrophic factor (BDNF) pathway plays a critical role in various etiologies of cognitive deficits. OBJECTIVES: Our aim was to explore the CREB/BDNF pathway to determine the molecular mechanisms involved in the pathogenesis of cognitive impairment caused by cobra venom-induced trigeminal neuralgia...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28154331/clinical-research-testing-the-usefulness-of-ephedrine-alkaloids-free-ephedra-herb-extract
#18
Hiroshi Odaguchi
 We aimed to test the clinical usefulness of ephedrine alkaloids-free Ephedra Herb extract (EFE), which has been proven to be effective and safe in animal studies. First, we performed a safety trial with 7 healthy volunteers, and increased white blood cell counts were observed in 2. However, it was unknown whether this observation was a result of EFE administration. Then, we implemented a controlled, double-blind, randomized crossover trial as the second safety trial for EFE. The trial was conducted under strict conditions, and the participants were managed in the hospital and monitored using an increased number of endpoints...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28118416/topical-review-potential-use-of-botulinum-toxin-in-the-management-of-painful-posttraumatic-trigeminal-neuropathy
#19
Nathan Moreau, Wisam Dieb, Vianney Descroix, Peter Svensson, Malin Ernberg, Yves Boucher
Painful posttraumatic trigeminal neuropathy (PPTTN) is a chronic condition that is difficult to endure and has a poorly understood pathophysiology. Treatment options are limited and often unsatisfactory due to insufficient efficacy and significant adverse effects. Botulinum toxin type A (BTX-A), initially used in the management of pathologically sustained or twisting muscular contractions, has recently been advocated for treatment of neuropathic pain. Its action is not limited to the blockage of acetylcholine release at the neuromuscular junction, but also includes inhibition of exocytosis of other neurotransmitters by interfering with the SNARE complexes of synaptic membranes...
January 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28118257/provoked-vestibulodynia-a-comparative-examination-of-mental-health-sleep-sexual-functioning-and-relationship-adjustment
#20
Emma Dargie, Ian Gilron, Caroline Pukall
OBJECTIVES: Provoked vestibulodynia (PVD) is an idiopathic vulvar pain condition characterized by burning pain at the vaginal opening in response to contact or pressure. Previous research has established some of the psychosocial difficulties experienced by these patients, but direct comparisons with other pain conditions are needed. The purpose of this study was to compare women with PVD to those with post-herpetic neuralgia and pain-free control participants. METHODS: Participants were invited to complete an anonymous online survey consisting of sociodemographic questions and a range of validated measures...
January 21, 2017: Clinical Journal of Pain
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