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Trigeminal neuralgia etiology

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https://www.readbyqxmd.com/read/29142153/prognostic-impact-and-post-operative-evaluation-of-volumetric-measurement-of-the-cerebellopontine-cistern-in-trigeminal-neuralgia-using-3-tesla-magnetic-resonance-imaging
#1
Yoshiki Obata, Yoshihisa Kawano, Yoji Tanaka, Taketoshi Maehara
The aim of this study was to evaluate the importance of pre- and post-operative volumetric measurement of the cerebellopontine angle (CPA) using 3 Tesla (3T) magnetic resonance imaging (MRI). Between April 2012 and December 2015, a total of 87 consecutive patients underwent microvascular decompression (MVD) for trigeminal neuralgia (TN), of whom 51 with primary TN caused by arterial compression were enrolled in this study. Bilateral CPA cistern volume was evaluated using 3T MRI before and after surgery; the Cistern Deviation Index was used to represent the degree of deviation of the CPA cistern...
November 14, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/29120554/accommodation-to-diagnosis-of-trigeminal-neuralgia
#2
Vanja Bašić Kes, Lucija Zadro Matovina
Trigeminal neuralgia is one of the most common causes of facial pain. It implies short lasting episodes of unilateral electric shock-like pain with abrupt onset and termination, in the distribution of one or more divisions of the trigeminal nerve that are triggered by innocuous stimuli. Most cases of trigeminal neuralgia are caused by compression of the trigeminal nerve root. Depending on the etiology, trigeminal neuralgia can be classified as classic trigeminal neuralgia or painful trigeminal neuropathy. It may be precipitated by some actions at trigger zones...
March 2017: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29066235/pregabalin-as-a-salvage-preoperative-treatment-for-refractory-trigeminal-neuralgia
#3
Tadashi Hamasaki, Shigetoshi Yano, Kazumi Nakamura, Kazumichi Yamada
Only few studies have investigated the effectiveness of pregabalin (PGB) treatment for trigeminal neuralgia (TN). We aimed to retrospectively analyze the effectiveness of PGB treatment in refractory TN as a salvage treatment preceding surgery. Of 61 patients with TN refractory to prior treatment with carbamazepine (CBZ), we enrolled 33 patients in our study who agreed to receive PGB before they underwent surgery. The patients were divided into effective and ineffective groups depending on the patient-reported outcome...
October 21, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29039156/-vertebrobasilar-artery-dolichoectesia-and-pain-coincidence-or-etiology
#4
Murat Alemdar
Dolichoectesia is described as elongation, widening, and tortuosity of an artery. Most commonly involved vessels are the intracranial vertebral and basilar arteries. Vertebrobasilar artery dolichoectesia is usually asymptomatic. Cerebral ischemia, hemorrhage, or compression findings due to mass effect can be seen in symptomatic patients. Although there are case reports of trigeminal neuralgia due to fifth cranial nerve compression in the literature, to the best of our knowledge, neither hemicranial nor continuous facial pain secondary to vertebrobasilar artery dolichoectesia has been reported previously...
July 2017: Aǧrı: Ağrı (Algoloji) Derneği'nin Yayın Organıdır, the Journal of the Turkish Society of Algology
https://www.readbyqxmd.com/read/29033487/gingival-hyperplasia-should-drug-interaction-be-blamed-for
#5
Pramod Kumar Sharma, Arup Kumar Misra, Ankita Chugh, Vinay Kumar Chugh, Nitesh Gonnade, Surjit Singh
Gingival overgrowth (GO) is one of the common findings in clinical practice. There could be several causes including drugs associated with the GO. Carbamazepine (CBZ) and amlodipine are the drugs which are infrequently documented as a cause in inducing the gingival hyperplasia. Certain drugs in the body fluid might limit the population of plaque bacteria and alter their metabolism that in turn induce the inflammatory mediators and also activate the genetic and biochemical factors responsible for gingival fibroblast growth...
May 2017: Indian Journal of Pharmacology
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
#6
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/28947688/-pathophysiology-and-treatment-of-orofacial-pain
#7
Masamichi Shinoda, Noboru Noma
"Pain" is one of body defense mechanisms and crucial for the life support. However, orofacial pain such as myofascial pain syndrome, burning mouth syndrome and trigeminal neuralgia plays no part in body defense mechanisms and requires therapeutic intervention. Recent studies have indicated that plastic changes in the activities of trigeminal neurons, satellite glial cells in trigeminal ganglion, secondary neurons, microglia and astrocytes in trigeminal spinal subnucleus following orofacial inflammation and trigeminal nerve injury are responsible for orofacial pain mechanisms...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28900824/external-nasal-neuralgia-an-update
#8
REVIEW
Hida Nierenburg, Morgane Swift Morris
PURPOSE OF REVIEW: External nasal neuralgia is a rare syndrome of atypical facial pain for which there is limited reports in the scientific literature. We aim to review diagnosis and provide an update on treatments for this rare condition. RECENT FINDINGS: Etiology has been documented as post-traumatic due to direct trauma to the nose area and in few case reports, idiopathic. Sensory innervation of the nose arises from the ophthalmic and maxillary divisions of the trigeminal nerve...
September 13, 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28804114/clinical-epidemiological-and-etiological-studies-of-adult-aseptic-meningitis-report-of-11-cases-with-varicella-zoster-virus-meningitis
#9
Shinichi Takeshima, Yuji Shiga, Takahiro Himeno, Keisuke Tachiyama, Teppei Kamimura, Ryuhei Kono, Makoto Takemaru, Jun Takeshita, Yutaka Shimoe, Masaru Kuriyama
We treated 11 cases (52.7 ± 14.9 years, all male) with varicella zoster virus (VZV) meningitis and 437 cases with adult aseptic meningitis from 2004 to 2016. The incidence rate of adult VZV meningitis in the cases with aseptic meningitis was 2.5%. Herpes zoster infections are reported to have occurred frequently in summer and autumn. VZV meningitis also occurred frequently in the similar seasons, in our patients. The diagnoses were confirmed in 9 cases with positive VZV-DNA in the cerebrospinal fluid and in 2 cases with high VZV-IgG indexes (> 2...
September 30, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28512048/combined-hyperactive-dysfunction-syndrome-of-the-cranial-nerves-a-retrospective-systematic-study-of-clinical-characteristics-in-44-patients
#10
Jingwei Cao, Jie Jiao, Zhenhui Du, Wenzhe Xu, Bin Sun, Feng Li, Yuguang Liu
BACKGROUND: Combined hyperactive dysfunction syndrome (HDS) is defined as the combination symptoms arising from overactivity in cranial nerves, specifically, trigeminal neuralgia (TN), hemifacial spasm (HFS), and glossopharyngeal neuralgia (GPN), without an obvious explanatory structural lesion. This study retrospectively analyzes the clinical characteristics of combined HDS treated with microvascular decompression (MVD) in a single institution. METHODS: A total of 1450 patients with HDS were treated with MVD in our department during a 10-year period, among which 44 cases of combined HDS were identified...
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28468201/the-study-of-calcium-phosphonium-magnesium-and-ferrum-concentration-in-serum-of-patients-with-primary-trigeminal-neuralgia
#11
Hua Zhao, Yinda Tang, Xin Zhang, Shiting Li
OBJECTIVE: To measure the concentration of 4 essential elements (Ca, P, Mg, Fe) in serum of patients with primary trigeminal neuralgia. And evaluate the role of the 4 elements in serum on the pathogenesis of trigeminal neuralgia (TN), and the relevance of etiology. METHODS: From June 2013 to June 2014, a number of 80 patients with primary trigeminal neuralgia were collected. We present a retrospective review of the concentration of 4 essential elements with those of control group of 80 patients without TN...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28375911/trigeminal-neuralgia
#12
Giorgio Cruccu
PURPOSE OF REVIEW: Although trigeminal neuralgia is well known to neurologists, recent developments in classification and clinical diagnosis, new MRI methods, and a debate about surgical options necessitate an update on the topic. RECENT FINDINGS: Currently, a worldwide controversy exists regarding the classification, diagnostic process, and surgical treatment of trigeminal neuralgia. This controversy has been caused on one side by the recognition that some 50% of patients with trigeminal neuralgia, apart from characteristic paroxysmal attacks, also have continuous pain in the same territory, which results in greater diagnostic difficulties and is associated with a lower response to medical and surgical treatments...
April 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28281110/headache-in-neuromyelitis-optica
#13
REVIEW
Alina Masters-Israilov, Matthew S Robbins
PURPOSE OF REVIEW: Neuromyelitis optica (NMO) classically features a clinical presentation that includes longitudinally extensive transverse myelitis and optic neuritis. However, many other pathognomonic phenomena have more recently been described in patients diagnosed with NMO, including intractable hiccups, vomiting, and painful tonic spasms, but less has been reported regarding the relationship between NMO and headache. Though headache is well established as both a symptom and comorbidity of multiple sclerosis (MS), it has been much less described thus far in the NMO literature and warrants more careful evaluation...
April 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28272727/-an-unusual-presentation-of-painful-tic-convulsive
#14
S Romano-Feinholz, M P Medina, F E Nares-Lopez, J L Soto-Hernandez, R Revuelta-Gutierrez
INTRODUCTION: The term 'painful tic convulsive' is used to describe the syndrome involving concomitant hemifacial spasm and ipsilateral trigeminal neuralgia. Vascular compression of the fifth and seventh cranial nerves is the most common cause, involving the entry and exit zone of rootlets coming from the brainstem; nevertheless, different etiologies of this syndrome has been previously reported. Treatment for this disease is based on surgical microvascular decompression of the nerve rootlets, but still a topic of debate...
March 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28251523/atypical-facial-pain-a-comprehensive-evidence-based-review
#15
REVIEW
Austin L Weiss, Ken P Ehrhardt, Reda Tolba
PURPOSE OF REVIEW: The purpose of this article is to focus on an excruciating disorder of the face, named atypical facial pain or persistent idiopathic facial pain (PIFP). It is considered an underdiagnosed condition with limited treatment options. Facial pain can be a debilitating disorder that affects patients' quality of life. Up to 26% of the general population has suffered from facial pain at some point in their lives. It is important to highlight the different types of facial pain to be able to properly manage this condition accordingly...
February 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28181442/history-of-facial-pain-diagnosis
#16
Joanna M Zakrzewska, Troels S Jensen
Premise Facial pain refers to a heterogeneous group of clinically and etiologically different conditions with the common clinical feature of pain in the facial area. Among these conditions, trigeminal neuralgia (TN), persistent idiopathic facial pain, temporomandibular joint pain, and trigeminal autonomic cephalalgias (TAC) are the most well described conditions. Conclusion TN has been known for centuries, and is recognised by its characteristic and almost pathognomonic clinical features. The other facial pain conditions are less well defined, and over the years there has been confusion about their classification...
June 2017: Cephalalgia: An International Journal of Headache
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
#17
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/28158153/trigeminal-neuralgia-induced-by-cobra-venom-leads-to-cognitive-deficits-associated-with-downregulation-of-creb-bdnf-pathway
#18
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/28135936/toward-an-etiology-based-management-of-trigeminal-neuralgia
#19
Turo J Nurmikko
No abstract text is available yet for this article.
May 2017: Pain Management
https://www.readbyqxmd.com/read/28118196/the-study-of-calcium-phosphonium-magnesium-and-ferrum-concentration-in-serum-of-patients-with-primary-trigeminal-neuralgia
#20
Hua Zhao, Yinda Tang, Xin Zhang, Shiting Li
OBJECTIVE: To measure the concentration of 4 essential elements (Ca, P, Mg, Fe) in serum of patients with primary trigeminal neuralgia. And evaluate the role of the 4 elements in serum on the pathogenesis of trigeminal neuralgia (TN), and the relevance of etiology. METHODS: From June 2013 to June 2014, a number of 80 patients with primary trigeminal neuralgia were collected. We present a retrospective review of the concentration of 4 essential elements with those of control group of 80 patients without TN...
January 23, 2017: Journal of Craniofacial Surgery
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