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https://www.readbyqxmd.com/read/29042811/optical-inactivation-of-the-anterior-cingulate-cortex-modulate-descending-pain-pathway-in-a-rat-model-of-trigeminal-neuropathic-pain-created-via-chronic-constriction-injury-of-the-infraorbital-nerve
#1
Hyeong Cheol Moon, Won Ik Heo, Yon Ji Kim, Daae Lee, So Yoon Won, Hong Rae Kim, Seung Man Ha, Youn Joo Lee, Young Seok Park
PURPOSE: The anterior cingulate cortex (ACC) plays a critical role in the initiation, development, and maintenance of neuropathic pain. Recently, the effects of optical stimulation on pain have been investigated, but the therapeutic effects of optical stimulation on trigeminal neuralgia (TN) have not been clearly shown. Here, we investigated the effects of optical inhibition of the ACC on TN lesions to determine whether the alleviation of pain affects behavior performance and thalamic neuron signaling...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29026761/postherpetic-neuralgia-diabetic-neuropathy-and-trigeminal-neuralgia-chronic-peripheral-neuropathic-pain-in-58-480-rural-italian-primary-care-patients
#2
Nicola Buono, Hans Thulesius, Ferdinando Petrazzuoli, Elena Castelli, Marco Cambielli
INTRODUCTION: Chronic peripheral neuropathic pain (CPNP) is a condition due to peripheral nervous system diseases or injury, but its prevalence is unknown in Italian primary care. AIM: The aim of this study is to assess the prevalence of CPNP in a rural primary care area in Northern Italy. MATERIALS AND METHODS: A multicenter audit study was carried out in a rural area in Northern Italy with 113 participating general practitioners (GPs) seeing 58,480 patients >18 years during 3 months...
January 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28986812/review-of-anemone-raddeana-rhizome-and-its-pharmacological-effects
#3
REVIEW
Shu-Ling Wang, Zhen-Kun Zhao, Jian-Feng Sun, Yun-Ting Sun, Xiao-Qing Pang, Zhao-Wu Zeng, Tian Xie
The chemical compositions of Anemone raddeana Rhizome, a kind of traditional Chinese medicine, were reviewed, along with its bioactivity and pharmacological properties and method improvements of extracting and detecting triterpenoid saponins. A. raddeana Rhizome is used to treat neuralgia and rheumatism, and is rich in triterpenoid saponins, most of which are pentacyclic, with oleanane as the nucleus. So far, 37 triterpenoid saponins have been determined from the herb. Its reported bioactivity and pharmacological properties have been described as anticancerous, antimicrobial, anti-inflammatory, analgesic, antipyretic, anticonvulsive, antihistaminic, and sedative...
October 6, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28970521/pain-outside-the-body-defensive-peripersonal-space-deformation-in-trigeminal-neuralgia
#4
R J Bufacchi, C F Sambo, G Di Stefano, G Cruccu, G D Iannetti
Perception of space has been guiding effective therapeutic interventions in a number of unilateral chronic pain conditions. However little is known about how trigeminal neuralgia (TN), a condition in which trigeminal stimulation triggers paroxysmal facial pain, affects defensive peripersonal space (DPPS), the portion of space surrounding the body within which defensive responses are enhanced. Given that TN is unilateral, in TN patients the DPPS of the face might not be horizontally symmetric as in pain-free individuals, but instead larger around the affected side...
October 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28966586/herpes-simplex-virus-type-1-human-cervical-dorsal-root-ganglionitis
#5
Tibor Valyi-Nagy, Jaivir S Rathore, Andrei M Rakic, Ranvir S Rathore, Paavani Jain, Konstantin V Slavin
We present a case of a 34-year-old right-handed Caucasian male with chronic occipital neuralgia refractory to medical therapies and minimally invasive pain procedures who underwent surgical cervical dorsal root ganglionectomy which completely relieved his headaches. The histopathological and immunohistochemical findings of the resected cervical dorsal root ganglia were consistent with active herpes simplex virus type 1 (HSV-1) infection causing ganglionitis. To the best of our knowledge, this case represents the first histopathologically proven HSV-1 cervical dorsal root ganglionitis in humans...
May 2017: Case Reports in Neurology
https://www.readbyqxmd.com/read/28934788/repeated-ganglion-impar-block-in-a-cohort-of-83-patients-with-chronic-pelvic-and-perineal-pain
#6
Quentin-Come Le Clerc, Thibault Riant, Amelie Levesque, Jean-Jacques Labat, Stephane Ploteau, Roger Robert, Marie-Aimee Perrouin-Verbe, Jerome Rigaud
BACKGROUND: The ganglion impar is the first pelvic ganglion of the efferent sympathetic trunk that relays pelvic and perineal nociceptive messages and therefore constitutes a therapeutic target. OBJECTIVE: The objective of this single-center study was to evaluate the effectiveness of 3 repeated ganglion impar blocks in patients with chronic pelvic and perineal pain on intention-to-treat. STUDY DESIGN: Retrospective single-center study. SETTING: We reviewed the medical records of 83 patients with chronic refractory pelvic and perineal pain...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28928638/affective-circuitry-alterations-in-patients-with-trigeminal-neuralgia
#7
Dave J Hayes, David Q Chen, Jidan Zhong, Ariel Lin, Brendan Behan, Matthew Walker, Mojgan Hodaie
Trigeminal neuralgia (TN) is a severe chronic neuropathic facial pain disorder. Affect-related behavioral and structural brain changes have been noted across chronic pain disorders, but have not been well-studied in TN. We examined the potential impact of TN (37 patients: 23 with right-sided TN, 14 with left-sided TN), compared to age- and sex-matched healthy controls, on three major white matter tracts responsible for carrying affect-related signals-i.e., cingulum, fornix, and medial forebrain bundle. Diffusion magnetic resonance imaging (dMRI), deterministic multi-tensor tractography for tract modeling, and a model-driven region-of-interest approach was used...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/28905370/neuromodulation-and-devices-in-trigeminal-neuralgia
#8
Kevin Weber
PREMISE: Trigeminal neuralgia is a severe facial pain disorder that has been studied for decades. Classical trigeminal neuralgia (CTN) is either idiopathic or caused by neurovascular compression. The related painful trigeminal neuropathies are often secondary to other causes, such as multiple sclerosis or trauma. PROBLEM: Therapies for trigeminal neuralgia and neuropathy have often been pharmacologic or surgical. Pharmacologic therapies are not effective in some cases and often cause side effects, some substantial...
September 14, 2017: Headache
https://www.readbyqxmd.com/read/28875858/managing-neuropathic-pain-in-multiple-sclerosis-pharmacological-interventions
#9
Samuel S Duffy, Justin G Lees, Chamini J Perera, Gila Moalem-Taylor
BACKGROUND: Multiple sclerosis (MS) is a chronic inflammatory demyelinating disease of the central nervous system (CNS). Of the plethora of motor and sensory disturbances experienced by sufferers, neuropathic pain is a highly prevalent and debilitating symptom, and at present remains extremely difficult to treat. Common forms of neuropathic pain seen in MS patients include central neuropathic pain, Lhermitte's phenomenon and trigeminal neuralgia, which are all speculated to arise from specific patterns of lesion formation...
September 6, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28860844/cognitive-effects-of-electro-acupuncture-and-pregabalin-in-a-trigeminal-neuralgia-rat-model-induced-by-cobra-venom
#10
Ruo-Wen Chen, Hui Liu, Jian-Xiong An, Xiao-Yan Qian, Yi-De Jiang, Doris K Cope, John P Williams, Rui Zhang, Li-Na Sun
OBJECTIVE: The objective of this study was to investigate the effects of electro-acupuncture (EA) and pregabalin on cognition impairment induced by chronic trigeminal neuralgia (TN) in rats. DESIGN: Controlled animal study. SETTING: Department of Anesthesiology, Pain Medicine and Critical Care Medicine, Aviation General Hospital of China Medical University. SUBJECTS: Forty adult male Sprague Dawley rats. METHODS: Rats were randomly divided into four groups...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28856112/the-efficacy-of-systemic-lidocaine-in-the-management-of-chronic-pain-a-literature-review
#11
REVIEW
Fardin Yousefshahi, Oana Predescu, Juan Francisco Asenjo
CONTEXT: Despite recent advances in the understanding of the chronic pain concept, its diagnosis and management remains a daily challenge for clinicians and patients. Based on the published literature, this review discusses and tries to organize the current knowledge and the up-to-date clinical experience about the efficacy and safety of the use of intravenous lidocaine in treatment and prevention of chronic pain. EVIDENCE ACQUISITION: To prepare this narrative review, we performed an in depth literature review using the PubMed searching engine...
June 2017: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/28851612/-all-in-one-mesh-hernioplasty-a-new-procedure-for-primary-inguinal-hernia-open-repair
#12
Angelo Guttadauro, Matteo Maternini, Silvia Frassani, Matilde De Simone, Marco Chiarelli, Daniele Macchini, Nicoletta Pecora, Aimone Bertolini, Ugo Cioffi, Francesco Gabrielli
BACKGROUND: We propose a new open mesh hernia repair procedure for the treatment of inguinal hernias in adults aiming to improve patients' comfort and to reduce the incidence of chronic neuralgia. METHODS: From September 2012 to August 2015, 250 consecutive patients were treated with "all in-one" mesh hernioplasty procedure in our Institution. According to the devised technique, a new smaller prosthesis was placed on the floor of the inguinal canal in order to strengthen all areas of weakness from which hernias may originate...
August 26, 2017: Asian Journal of Surgery
https://www.readbyqxmd.com/read/28802070/memantine-for-the-treatment-of-general-neuropathic-pain-a-narrative-review
#13
REVIEW
Gisèle Pickering, Véronique Morel
Neuropathic pain (NP) is difficult to treat and is associated with a decline in quality of life. NP aetiologies are numerous and a number of pathologies display neuropathic characteristics. Of the various N-Methyl-D-Aspartate antagonists that are alternatives to recommended in first-line NP treatment, memantine has the safest side-effect profile and has long been approved in Alzheimer's disease. The review covers memantine studies in post-herpetic neuralgia, diabetic pain, postoperative pain, complex regional pain syndrome, chronic phantom limb pain, opioid refractory pain, and fibromyalgia...
August 12, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28757922/earlier-treatment-improves-the-chances-of-complete-relief-from-postherpetic-neuralgia
#14
Dong Hee Kang, Su Young Kim, Hyuck Goo Kim, Jung Hyun Park, Tae Kyun Kim, Kyung Hoon Kim
BACKGROUND: As herpes zoster progresses via postherpetic neuralgia (PHN) to well-established PHN, it presents its recalcitrant nature to the treatment. At this point, the well-established PHN is fixed as a non-treatable, but manageable chronic painful neuropathic disorder. This study evaluated the incidence of complete relief from PHN according to PHN duration at their first visit, and the other factors influencing it. METHODS: A retrospective chart review was performed on patients with PHN at a university-based pain clinic over 7 years...
July 2017: Korean Journal of Pain
https://www.readbyqxmd.com/read/28738758/laparoscopic-treated-neuralgia-after-inguinal-hernia-repair-case-report-and-literature-review
#15
M Engelen, K Dilen, E Baten
BACKGROUND: Neuralgia after inguinal hernia repair is a known but potential invalidating complication with a reported incidence of 10-12%. Diagnosis and treatment can be challenging. Based on a case report and literature review, disease aspects and treatment options including laparoscopic (triple) neurectomy are discussed. METHODS: A case of laparoscopic treated neuralgia after hernia inguinalis repair is reported. After an extensive MeSH-term based literature search, 26 articles were included for in-depth analysis and literature review...
July 25, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28727719/intercostal-neuralgia-occurring-as-a-complication-of-splanchnic-nerve-radiofrequency-ablation-in-a-patient-with-chronic-pancreatitis
#16
Saipriya Tewari, Anil Agarwal, Sujeet K Gautam, Rajashree Madabushi
Our intent is to report a case of intercostal neuralgia occuring as a complication of splanchnic radiofreqency ablation (RFA), due to a breach in the integrity of the insulating sheath of the RFA needle.A 48-year-old man presented to our pain clinic with upper abdominal pain due to chronic pancreatitis, recalcitrant to medical management. We decided to perform bilateral splanchnic nerve RFA in this patient. After confirmation of bilateral correct needle placement under fluoroscopic guidance and sensorimotor testing, RFA was performed on the right side uneventfully...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28727713/local-brain-activity-differences-between-herpes-zoster-and-postherpetic-neuralgia-patients-a-resting-state-functional-mri-study
#17
Song Cao, Ying Li, Wenwen Deng, Bangyong Qin, Yi Zhang, Peng Xie, Jie Yuan, Buwei Yu, Tian Yu
BACKGROUND: Herpes zoster (HZ) can develop into postherpetic neuralgia (PHN), both of which are painful diseases. PHN patients suffer chronic pain and emotional disorders. Previous studies showed that the PHN brain displayed abnormal activity and structural change, but the difference in brain activity between HZ and PHN is still not known. OBJECTIVES: To identify regional brain activity changes in HZ and PHN brains with resting-state functional magnetic resonance imaging (rs-fMRI) technique, and to observe the differences between HZ and PHN patients...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28727712/intervertebral-foramen-injection-of-ozone-relieves-mechanical-allodynia-and-enhances-analgesic-effect-of-gabapentin-in-animal-model-of-neuropathic-pain
#18
Wen-Jun Luo, Fan Yang, Fei Yang, Wei Sun, Wei Zheng, Xiao-Liang Wang, Fang-Fang Wu, Jiang-Lin Wang, Jia-Shuang Wang, Su-Min Guan, Jun Chen
BACKGROUND: In a 5-year follow-up study in a hospital in southern China, it was shown that intervertebral foramen (IVF) injection of ozone at the involved segmental levels could significantly alleviate paroxysmal spontaneous pain and mechanical allodynia in patients with chronic, intractable postherpetic neuralgia (PHN) and improve the quality of life. However, so far no proof-of-concept studies in animals have been available. OBJECTIVE: This study was designed to investigate whether IVF ozone has an analgesic effect on animal models of neuropathic and inflammatory pain...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28710025/inhibitory-effects-of-tetramethylpyrazine-on-pain-transmission-of-trigeminal-neuralgia-in-cci-ion-rats
#19
Wei Xiong, Mengxia Tan, Lingkun He, Xiaoyan Ou, Youhong Jin, Guo Yang, Liping Huang, Yulin Shen, Shu Guan, Changshui Xu, Guilin Li, Shuangmei Liu, Hong Xu, Shangdong Liang, Yun Gao
Tetramethylpyrazine (TMP) has anti-inflammatory effects and is used to treat cerebral ischemic injury, but the mechanism of TMP on neural protection is not clear. Trigeminal neuralgia (TN) is a facial pain syndrome that is characterized by paroxysmal, shock-like pain attacks located in the somatosensory distribution of the trigeminal nerve. P2X3 receptor plays a crucial role in facilitating pain transmission. The present study investigates the effects of TMP on trigeminal neuralgia transmission mediated by P2X3 receptor of the trigeminal ganglia (TG)...
July 11, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28702348/predicting-pain-relief-use-of-pre-surgical-trigeminal-nerve-diffusion-metrics-in-trigeminal-neuralgia
#20
Peter S-P Hung, David Q Chen, Karen D Davis, Jidan Zhong, Mojgan Hodaie
Trigeminal neuralgia (TN) is a chronic neuropathic facial pain disorder that commonly responds to surgery. A proportion of patients, however, do not benefit and suffer ongoing pain. There are currently no imaging tools that permit the prediction of treatment response. To address this paucity, we used diffusion tensor imaging (DTI) to determine whether pre-surgical trigeminal nerve microstructural diffusivities can prognosticate response to TN treatment. In 31 TN patients and 16 healthy controls, multi-tensor tractography was used to extract DTI-derived metrics-axial (AD), radial (RD), mean diffusivity (MD), and fractional anisotropy (FA)-from the cisternal segment, root entry zone and pontine segment of trigeminal nerves for false discovery rate-corrected Student's t-tests...
2017: NeuroImage: Clinical
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