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Trigeminal Neuralgia

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https://www.readbyqxmd.com/read/27911239/microvascular-decompression-of-the-cochleovestibular-nerve-for-treatment-of-tinnitus-and-vertigo-a-systematic-review-and-meta-analysis-of-individual-patient-data
#1
Minke J C van den Berge, J Marc C van Dijk, Iris A Posthumus, Nynke Smidt, Pim van Dijk, Rolien H Free
OBJECTIVE Microvascular decompression (MVD) is regarded as a valid treatment modality in neurovascular conflicts (NVCs) causing, for example, trigeminal neuralgia and hemifacial spasms. An NVC of the cochleovestibular nerve might cause tinnitus and/or vertigo; however, general acceptance of MVD for this indication is lacking. The aim of this study was to investigate the effectiveness, safety, and prognostic factors for success of MVD of the cochleovestibular nerve. METHODS A systematic review and meta-analysis of individual patient data (IPD) were conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses and Individual Patient Data (PRISMA-IPD) guidelines...
December 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27903196/the-impact-of-cobalt-60-source-age-on-biologically-effective-dose-in-high-dose-functional-gamma-knife-radiosurgery
#2
Benjamin H Kann, James B Yu, John M Stahl, James E Bond, Christopher Loiselle, Veronica L Chiang, Ranjit S Bindra, Jason L Gerrard, David J Carlson
OBJECTIVE Functional Gamma Knife radiosurgery (GKRS) procedures have been increasingly used for treating patients with tremor, trigeminal neuralgia (TN), and refractory obsessive-compulsive disorder. Although its rates of toxicity are low, GKRS has been associated with some, if low, risks for serious sequelae, including hemiparesis and even death. Anecdotal reports have suggested that even with a standardized prescription dose, rates of functional GKRS toxicity increase after replacement of an old cobalt-60 source with a new source...
December 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27901275/peripheral-nerve-blocks-for-the-treatment-of-headache-in-older-adults-a-retrospective-study
#3
Jacob R Hascalovici, Matthew S Robbins
OBJECTIVE: The objective of this study is to provide demographical and clinical descriptions of patients age 65 years old and older who were treated with peripheral nerve blocks (PNBs) at our institution and evaluate the safety and efficacy of this treatment. BACKGROUND: Headache disorders are common, disabling chronic neurological diseases that often persist with advancing age. Geriatric headache management poses unique therapeutic challenges because of considerations of comorbidity, drug interactions, and adverse effects...
November 30, 2016: Headache
https://www.readbyqxmd.com/read/27895247/a-dual-concurrent-mechanism-explains-trigeminal-neuralgia-in-patients-with-multiple-sclerosis
#4
Richard B Tenser, Andrea Truini, Giorgio Cruccu
No abstract text is available yet for this article.
November 29, 2016: Neurology
https://www.readbyqxmd.com/read/27890752/delayed-development-of-aneurysms-following-gamma-knife-surgery-for-trigeminal-neuralgia-report-of-2-cases
#5
Hiroki Uchikawa, Toru Nishi, Yasuyuki Kaku, Tomoaki Goto, Jun-Ichi Kuratsu, Shigetoshi Yano
BACKGROUND: Delayed development of intracranial aneurysms is an extremely rare complication of gamma knife surgery (GKS), and so far only 6 cases have been reported. Furthermore, there are no reported cases after GKS for trigeminal neuralgia (TN). Of the above cases, none referred to the natural history or pathophysiology of GKS-related intracranial aneurysm formation. CASE DESCRIPTION: We treated 2 patients who suffered subarachnoid hemorrhage (SAH) due to ruptures of intracranial aneurysms that developed long after GKS...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27890181/imaging-of-vascular-compression-syndromes
#6
REVIEW
Joseph H Donahue, David A Ornan, Sugoto Mukherjee
Trigeminal neuralgia, hemifacial spasm, vestibulocochlear neuralgia and glossopharyngeal neuralgia represent the most common neurovascular compression syndromes. Repeated vascular pulsations at the vulnerable transitional zone of the individual cranial nerves lead to focal axonal injury and demyelination. High-resolution 3-D T2-weighted MR imaging is essential in detecting and mapping neurovascular compression for directed therapy. Knowledge of the specific nerve root exit, the transitional zones, and the adjacent vasculature is critical in proper management...
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27888745/feasibility-of-eliciting-the-h-reflex-in-the-masseter-muscle-in-patients-under-general-anesthesia
#7
Sedat Ulkatan, Ana Maria Jaramillo, Maria J Téllez, Robert R Goodman, Vedran Deletis
OBJECTIVE: To explore the feasibility of eliciting the brainstem H reflex in the masseter muscle in patients under general anesthesia. METHODS: We electrically stimulated the masseteric nerve, a branch of the trigeminal nerve, and recorded ipsilateral masseteric and temporalis muscle responses. We tested eight patients who presented with trigeminal neuralgia; one patient had a temporal bone tumor and one patient had a brainstem arteriovenous malformation. All responses were elicited when patients were under general anesthesia and before the initiation of surgery...
November 5, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27885344/drug-induced-hypersensitivity-syndrome-caused-by-carbamazepine-used-for-the-treatment-of-trigeminal-neuralgia
#8
Yuko Ono, Tsuyoshi Shimo, Yoshinori Shirafuji, Toshihisa Hamada, Masanori Masui, Kyoichi Obata, Mayumi Yao, Koji Kishimoto, Akira Sasaki
An 88-year-old man was diagnosed with trigeminal neuralgia, and treatment of carbamazepine 200 mg/day was initiated. About 6 weeks later, the patient developed a skin rash accompanied by fever. He was admitted to hospital and diagnosed with drug-induced hypersensitivity syndrome (DIHS) caused by carbamazepine. Oral carbamazepine treatment was stopped, but blood tests showed acute liver and acute renal failure. Drug-induced lymphocyte stimulation test (DLST) for carbamazepine, human herpes virus-6 (HHV-6) IgG, and CMV-HRP were negative...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27884603/cranial-nerve-involvement-in-charcot-marie-tooth-disease
#9
Nirav Das, Savannah Kandalaft, Xiao Wu, Ajay Malhotra
BACKGROUND: Charcot-Marie-Tooth Disease (CMT) is a rare disorder with less than 200,000 cases reported in the US every year, making diagnosis challenging. MR and CT imaging has become more common in the evaluation of CMT to identify areas of disease involvement. CASE REPORT: A 27-year-old female from Guatemala with a past history of polio initially presented to the emergency room for necrotizing pneumonia. MRI images demonstrated smoothly enlarged, mildly enhancing trigeminal nerves...
November 21, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27875506/nerve-combing-for-trigeminal-neuralgia-without-vascular-compression
#10
Hua Zhao, Xin Zhang, Dayin Tang, Shiting Li
OBJECTIVE: The aim of this study was to describe and evaluate the long-term clinical outcome of "nerve combing" for trigeminal neuralgia (TN) without vascular compression. METHODS: Fifteen patients with TN treated with microvascular decompression had no visible vascular compression intraoperatively. All of them underwent trigeminal nerve combing. RESULTS: The long-term excellent relief was achieved in 73.3% of patients, 2 patients had good outcome, 1 patient experienced obvious partial relief, and the intensity of the residual pain was not severe enough to require medication...
November 21, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27867122/resolution-of-trigeminal-neuralgia-after-transvenous-embolization-of-a-cavernous-sinus-dural-arteriovenous-fistula
#11
Kenji Fukutome, Ichiro Nakagawa, Hun Soo Park, Takeshi Wada, Yasushi Motoyama, Kimihiko Kichikawa, Hiroyuki Nakase
A rare case of cavernous sinus dural arteriovenous fistula (CSDAVF) in a patient with trigeminal neuralgia (TN) that resolved immediately after transvenous embolization (TVE) is described. A 75-year-old woman presented with continuous facial pain. On time-of-flight magnetic resonance angiography (MRA), a CSDAVF was suspected, and digital subtraction angiography (DSA) showed a CSDAVF. The TN completely resolved immediately after TVE, with no recurrence. Follow-up MRA showed complete obliteration of the fistula 13 months after TVE...
November 17, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27864731/multiple-sclerosis-related-pain-syndromes-an-imaging-update
#12
REVIEW
Amir Mazhari
Pain in multiple sclerosis (MS) is a common manifestation, made up of complex phenomenon involving intricate neurophysiological processing at central levels of the pain pathway. Our understanding of the clinical and neurophysiological mechanisms of central/neuropathic pain related to MS continues to improve with improved imaging techniques but remains a challenging area of research. The advancements in imaging techniques for lesion evaluation of the various neuroanatomic structures have improved our detection, diagnosis, and understanding of MS pain and help validate subjective symptoms...
December 2016: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/27858881/efficacy-and-safety-of-continuous-radiofrequency-thermocoagulation-plus-pulsed-radiofrequency-for-treatment-of-v1-trigeminal-neuralgia-a-prospective-cohort-study
#13
Peng Yao, Tao Hong, Yong-Qiang Zhu, Hong-Xi Li, Zhi-Bin Wang, Yuan-Yuan Ding, Jia-Ming Ma, Shi-Nong Pan
Patients may develop serious eye complications after continuous radiofrequency thermocoagulation (CRF) for V1 (ophthalmic division) trigeminal neuralgia (TN) at a higher temperature. Therefore, the temperature of clinical CRF for V1 TN has long been disputed, but there have few reports been found about how to achieve satisfactory pain relief, reduce the incidence rates of complications, and shorten the recovery time after CRF for V1 TN.To observe whether pulsed radiofrequency (PRF) can lead to increased rate in pain relief, reduced rate of complications, or shortened recovery time after CRF is used to treat V1 idiopathic trigeminal neuralgia (ITN)...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27847579/a-clinical-analysis-of-secondary-surgery-in-trigeminal-neuralgia-patients-who-failed-prior-treatment
#14
Il Ho Kang, Bong Jin Park, Chang Kyu Park, Hridayesh Pratap Malla, Sung Ho Lee, Bong Arm Rhee
OBJECTIVE: Although many treatment modalities have been introduced for trigeminal neuralgia (TN), the long-term clinical results remain unsatisfactory. It has been particularly challenging to determine an appropriate treatment strategy for patients who have responded poorly to initial therapies. We analyzed the surgical outcomes in TN patients who failed prior treatments. METHODS: We performed a retrospective analysis of 37 patients with recurrent or persistent TN symptoms who underwent surgery at our hospital between January 2010 and December 2014...
November 2016: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/27833706/variant-anatomy-of-the-nasal-and-labial-branches-of-the-infraorbital-nerve
#15
Joseph Munyiri Nderitu, Fawzia Butt, Hassan Saidi
Comprehensive understanding of the variations in the branches of the infraorbital nerve (ION) is vital to the prevention of iatrogenic nerve injury and successful ION blockade during orbitozygomatic facial procedures. Only a few studies exist on the variant anatomy of the branching patterns of this nerve. This article provides a detailed description of the variations of the nasal and superior labial branches of the ION. This study was performed on 84 IONs by dissecting 42 formalin-fixed cadavers from the Laboratory of Topographic Anatomy, Department of Human Anatomy, University of Nairobi...
November 2016: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/27833694/large-posterior-communicating-artery-aneurysm-initial-presentation-with-reproducible-facial-pain-without-cranial-nerve-deficit
#16
Stacie Zelman, Michael C Goebel, David E Manthey, Seth Hawkins
Unruptured posterior communicating artery (PCOM) aneurysms can be difficult to diagnose and, when large (≥ 7mm), represent a substantial risk to the patient. While most unruptured PCOM aneurysms are asymptomatic, when symptoms do occur, clinical manifestations typically include severe headache (HA), visual acuity loss, and cranial nerve deficit. This case report describes an atypical initial presentation of a large unruptured PCOM aneurysm with symptoms mimicking trigeminal neuralgia, without other associated cranial nerve palsies or neurologic deficits...
November 2016: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27817008/trigeminal-neuralgia-due-to-venous-neurovascular-conflicts-outcome-after-microvascular-decompression-in-a-series-of-55-consecutive-patients
#17
Chloe Dumot, Andrei Brinzeu, Julien Berthiller, Marc Sindou
BACKGROUND: Implication of veins as neurovascular conflict (NVC) in the genesis of trigeminal neuralgia (TN) remains a matter of debate. Few reports dealing with venous NVC have been published. The objective of this study is to describe the outcome in a historical cohort of consecutive patients with classical TN due to venous compression. METHODS: All patients with TN treated by microvascular decompression (MVD) from 2005 to 2013 were included if a marked venous compression was found at the surgery either alone or accompanied by an artery...
November 5, 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27816028/diabetes-mellitus-in-classical-trigeminal-neuralgia-a-predisposing-factor-for-its-development
#18
Zhenq Xu, Ping Zhang, Li Long, Huiy He, Jianch Zhang, Shup Sun
OBJECTIVES: A higher prevalence of diabetes mellitus in classical trigeminal neuralgia patients was observed in few pilot surveys. The study was aimed to investigate whether diabetes mellitus is a predisposing factor for developing trigeminal neuralgia. MATERIALS AND METHODS: Patients with classical trigeminal neuralgia were enrolled in the case study group. The control group consisted of the same number of age- and gender-matched, randomly sampled subjects without trigeminal neuralgia...
October 22, 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27807409/structural-magnetic-resonance-imaging-can-identify-trigeminal-system-abnormalities-in-classical-trigeminal-neuralgia
#19
REVIEW
Danielle D DeSouza, Mojgan Hodaie, Karen D Davis
Classical trigeminal neuralgia (TN) is a chronic pain disorder that has been described as one of the most severe pains one can suffer. The most prevalent theory of TN etiology is that the trigeminal nerve is compressed at the root entry zone (REZ) by blood vessels. However, there is significant evidence showing a lack of neurovascular compression (NVC) for many cases of classical TN. Furthermore, a considerable number of patients who are asymptomatic have MR evidence of NVC. Since there is no validated animal model that reproduces the clinical features of TN, our understanding of TN pathology mainly comes from biopsy studies that have limitations...
2016: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/27795870/national-trends-in-inpatient-admissions-following-stereotactic-radiosurgery-and-the-in-hospital-patient-outcomes-in-the-united-states-from-1998-to-2011
#20
Allen L Ho, Alexander Y Li, Eric S Sussman, Arjun V Pendharkar, Aditya Iyer, Patricia A Thompson, Armine T Tayag, Steven D Chang
PURPOSE: This study sought to examine trends in stereotactic radiosurgery (SRS) and in-hospital patient outcomes on a national level by utilizing national administrative data from the Nationwide Inpatient Sample (NIS) database. METHODS AND MATERIALS: Using the NIS database, all discharges where patients underwent inpatient SRS were included in our study from 1998 - 2011 as designated by the ICD9-CM procedural codes. Trends in the utilization of primary and adjuvant SRS, in-hospital complications and mortality, and resource utilization were identified and analyzed...
2016: Journal of Radiosurgery and SBRT
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