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https://www.readbyqxmd.com/read/29769452/acute-glaucoma-attack-following-microvascular-decompression-surgery-for-trigeminal-neuralgia
#1
Kenichi Amagasaki, Masami Nagayama, Saiko Watanabe, Naoyuki Shono, Hiroshi Nakaguchi
Microvascular decompression (MVD) is widely accepted as an effective surgical method to treat trigeminal neuralgia (TN), but the risks of morbidity and mortality must be considered. We experienced a case of acute angle-closure glaucoma attack following MVD for TN in an elderly patient, considered to be caused by lateral positioning during and after the surgery. A 79-year-old female underwent MVD for right TN in the left lateral decubitus position, and TN disappeared after the surgery. Postoperatively, the patient tended to maintain the left lateral decubitus position to prevent wound contact with the pillow, even after ambulation...
May 17, 2018: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/29766927/microvascular-decompression-versus-stereotactic-radiosurgery-as-primary-treatment-modality-for-trigeminal-neuralgia-a-systematic-review-and-meta-analysis-of-prospective-comparative-trials
#2
REVIEW
Ravi Sharma, Manoj Phalak, Varidh Katiyar, Sachin Borkar, Shashank S Kale, Ashok K Mahapatra
Objective: The current opinion among neurosurgeons regarding the selection between microvascular decompression (MVD) and gamma knife radiosurgery for trigeminal neuralgia is not based on clear evidence. In this meta-analysis, we have attempted to synthesize the findings of the prospective trials comparing the efficacy and complications of the two procedures as primary treatment modality for medically refractory trigeminal neuralgia. Materials and Methods: The authors performed a systematic review of PubMed for manuscripts comparing the efficacy or complications of MVD and stereotactic radiosurgery for medically refractory trigeminal neuralgia...
May 2018: Neurology India
https://www.readbyqxmd.com/read/29745268/first-treatment-and-retreatment-of-medically-refractive-trigeminal-neuralgia-by-stereotactic-radiosurgery-versus-microvascular-decompression-a-systematic-review-and-meta-analysis
#3
Victor M Lu, Julia B Duvall, Kevin Phan, Benjamin P Jonker
PURPOSE: Procedures to treat medically refractory trigeminal neuralgia (MRTN) include stereotactic radiosurgery (SRS) and microvascular decompression (MVD). The aim of this study was to compare outcomes of SRS versus MVD in the treatment of MRTN, with a subgroup focus on those being treated for the first time. METHODS: Search strategy was performed using the PRISMA guidelines for article identification, screening, eligibility and inclusion. Relevant articles were identified from six electronic databases from their inception to June 2017...
May 10, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29720816/short-lasting-unilateral-neuralgiform-headache-attacks
#4
REVIEW
Andrew Levy, Manjit S Matharu
Short-lasting unilateral neuralgiform headache attacks (SUNHA) is characterized by strictly unilateral trigeminal distribution pain that occurs in association with ipsilateral cranial autonomic features. There are two subtypes: short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing (SUNCT) and short-lasting unilateral neuralgiform headache attacks with cranial autonomic symptoms (SUNA). These disorders are rare but highly disabling. The management of SUNHA can be challenging...
April 2018: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/29705231/efficacy-and-safety-of-microvascular-decompression-and-gamma-knife-surgery-treatments-for-patients-with-primary-trigeminal-neuralgia-a-prospective-study
#5
Yi Jun Zeng, Heng Zhang, Shui Yu, Wen Zhang, Xiao Chuan Sun
PURPOSE: To compare the efficacy and safety of microvascular decompression (MVD) and gamma knife surgery (GKS) treatments for trigeminal neuralgia. METHOD: Patients with primary trigeminal neuralgia were randomly divided into two groups to undergo either MVD or GKS. All patients were followed up for 2 years to evaluate the efficacy, recurrence rates, and complications of their treatment. RESULTS: Of the 441 enrolled patients, 220 were included in the MVD group and 221 were in the GKS group...
April 26, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29701555/stereotactic-radiosurgery-for-trigeminal-neuralgia-a-systematic-review
#6
Constantin Tuleasca, Jean Régis, Arjun Sahgal, Antonio De Salles, Motohiro Hayashi, Lijun Ma, Roberto Martínez-Álvarez, Ian Paddick, Samuel Ryu, Ben J Slotman, Marc Levivier
OBJECTIVES The aims of this systematic review are to provide an objective summary of the published literature specific to the treatment of classical trigeminal neuralgia with stereotactic radiosurgery (RS) and to develop consensus guideline recommendations for the use of RS, as endorsed by the International Society of Stereotactic Radiosurgery (ISRS). METHODS The authors performed a systematic review of the English-language literature from 1951 up to December 2015 using the Embase, PubMed, and MEDLINE databases...
April 27, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29688562/stereotactic-radiosurgery-for-trigeminal-neuralgia-in-patients-with-multiple-sclerosis-a-multicenter-study
#7
Zhiyuan Xu, David Mathieu, France Heroux, Mahmoud Abbassy, Gene Barnett, Alireza M Mohammadi, Hideyuki Kano, James Caruso, Han-Hsun Shih, Inga S Grills, Kuei Lee, Sandeep Krishnan, Anthony M Kaufmann, John Y K Lee, Michelle Alonso-Basanta, Marie Kerr, John Pierce, Douglas Kondziolka, Judith A Hess, Jason Gerrard, Veronica Chiang, L Dade Lunsford, Jason P Sheehan
BACKGROUND: Facial pain response (PR) to various surgical interventions in patients with multiple sclerosis (MS)-related trigeminal neuralgia (TN) is much less optimal. No large patient series regarding stereotactic radiosurgery (SRS) has been published. OBJECTIVE: To evaluate the clinical outcomes of MS-related TN treated with SRS. METHODS: This is a retrospective cohort study. A total of 263 patients contributed by 9 member tertiary referral Gamma Knife centers (2 in Canada and 7 in USA) of the International Gamma Knife Research Consortium (IGKRF) constituted this study...
April 23, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29680282/hemifacial-spasm-associated-with-other-cranial-nerve-syndromes-literature-review
#8
M Sindou, P Mercier
Hyperactive dysfunction may affect all cranial nerves in the posterior fossa. According to literature review and personal experience, hemifacial spasm was found to be associated not only with the most frequent cranial nerve syndromes, namely: trigeminal neuralgia, vago-glossopharyngeal neuralgia or VIIIth nerve disturbances manifested by vertigo, tinnitus, hearing decrease, but also with rarer syndromes like geniculate neuralgia, masticatory spasm etc. Also, a number of publications have pointed out the relatively high incidence of the coexistence of hemifacial spasm and systemic blood hypertension; both can be cured by vascular decompression of the ventrolateral aspect of the medulla and IX-Xth route entry zone (REZ) together with the facial REZ...
April 18, 2018: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29678597/anxiety-but-not-depressive-like-behaviors-are-related-to-facial-hyperalgesia-in-a-model-of-trigeminal-neuropathic-pain-in-rats
#9
Eder Gambeta, Marcio Augusto Batista, Gabriel Paz Maschio, Joelle de Melo Turnes, Erika Ivanna Araya, Juliana Geremias Chichorro
Trigeminal neuralgia (TN) is a painful condition characterized by excruciating facial pain, which has a serious impact on quality of life. Depression and anxiety have been commonly associated with TN, but clinical studies report that these comorbidities are frequently underdiagnosed and undertreated in TN patients. Herein it was investigated if rats submitted to the infraorbital nerve constriction (CION), a model of trigeminal neuropathic pain, would display anxiety- and depressive-like behaviors in addition to the facial sensory changes in different time points after the nerve injury...
July 1, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29676696/tentorial-sling-for-microvascular-decompression-in-patients-with-trigeminal-neuralgia-a-description-of-operative-technique-and-clinical-outcomes
#10
Jeffrey A Steinberg, Jayson Sack, Bayard Wilson, David Weingarten, Bob Carter, Alexander Khalessi, Sharona Ben-Haim, John Alksne
OBJECTIVE Trigeminal neuralgia is a debilitating pain disorder most often caused by arterial compression of the trigeminal nerve, although there are other etiologies. Microvascular decompression (MVD) remains the most definitive treatment for this disorder, with cure rates reported between 60% and 80%. Traditional MVD techniques involve a retrosigmoid craniotomy with placement of an inert foreign material, such as Teflon, between the nerve and compressive vessel. Recurrence of trigeminal neuralgia after MVD has been associated with vessel migration, adhesion formation, and arterial pulsation against the Teflon abutting the nerve...
April 20, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29675717/electromagnetic-neuronavigation-for-the-percutaneous-treatment-of-trigeminal-neuralgia-with-balloon-compression-technical-note-and-cadaveric-validation-study
#11
Anthony Wiggins, Megan Lonie, Iona Pimentil, Nicola Newall, Peter Bodkin, Asha Venkatesh
BACKGROUND: Several techniques have been described for the percutaneous treatment of trigeminal neuralgia; however, each has significant drawbacks. We propose a new technique for percutaneous balloon compression of the trigeminal ganglion and distal trigeminal nerve using electromagnetic (EM) neuronavigation. METHODS: The procedure was performed in 17 consecutive patients with trigeminal neuralgia. Patients were then followed up with telephone interview. We also performed a cadaveric validation study to further investigate the accuracy of the technique using dye...
April 19, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29671218/neuroimaging-of-meckel-s-cave-in-normal-and-disease-conditions
#12
REVIEW
Ajay Malhotra, Long Tu, Vivek B Kalra, Xiao Wu, Ali Mian, Rajiv Mangla, Elias Michaelides, Pina Sanelli, Dheeraj Gandhi
Meckel's cave is a dural recess in the posteromedial portion of the middle cranial fossa that acts as a conduit for the trigeminal nerve between the prepontine cistern and the cavernous sinus, and houses the Gasserian ganglion and proximal rootlets of the trigeminal nerve. It serves as a major pathway in perineural spread of pathologies such as head and neck neoplasms, automatically upstaging tumours, and is a key structure to assess in cases of trigeminal neuralgia. The purpose of this pictorial review is threefold: (1) to review the normal anatomy of Meckel's cave; (2) to describe imaging findings that identify disease involving Meckel's cave; (3) to present case examples of trigeminal and non-trigeminal processes affecting Meckel's cave...
April 18, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29662445/dysregulation-of-pain-and-emotion-related-networks-in-trigeminal-neuralgia
#13
Yanyang Zhang, Zhiqi Mao, Longsheng Pan, Zhipei Ling, Xinyun Liu, Jun Zhang, Xinguang Yu
Classical trigeminal neuralgia (TN) is a severe neuropathic facial pain disorder associated with increased risks of anxiety and depression. Converging evidence suggests that chronic pain pathophysiology involves dysfunctional pain-related and emotion-related networks. However, whether these systems are also among the culprit networks for TN remains unclear. Here, we aimed to assess TN-related anatomical and functional brain anomalies in pain-related and emotion-related networks. We investigated differences in gray matter (GM) volume and the related resting-state functional connectivity (rsFC) between 29 classical TN patients and 34 matched healthy controls...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29660047/trigeminal-nerve-atrophy-predicts-pain-recurrence-after-gamma-knife-stereotactic-radiosurgery-for-classical-trigeminal-neuralgia
#14
Yong-Sin Hu, Cheng-Chia Lee, Wan-Yuo Guo, Chung-Jung Lin, Huai-Che Yang, Hsiu-Mei Wu, Kang-Du Liu, Wen-Yuh Chung
BACKGROUND: Trigeminal nerve atrophy and neurovascular compression (NVC) are frequently observed in classical trigeminal neuralgia (CTN). OBJECTIVE: To determine whether nerve characteristics contribute to Gamma Knife (Elekta AB, Stockholm, Sweden) surgery (GKS) outcomes in unilateral CTN without previous surgery. METHODS: From 2006 to 2012, 67 patients with unilateral CTN without previous surgery received GKS with a maximal dose of 90 Gy delivered to the trigeminal nerve juxta brainstem...
April 11, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29659161/neurovascular-relations-of-the-trigeminal-nerve-in-asymptomatic-individuals-studied-with-high-resolution-three-dimensional-magnetic-resonance-imaging
#15
Fernando Ruiz-Juretschke, LaíN H González-Quarante, Roberto García-Leal, Vicente Martínez de Vega
Neurovascular compression (NVC) is considered the main cause of classic trigeminal neuralgia (TN) and may be surgically addressed with microvascular decompression (MVD). Preoperative high-resolution three-dimensional magnetic resonance has proven a reliable tool to diagnose NVC in patients with refractory TN undergoing MVD. However, there is still scarce data regarding the rate, degree, and characteristics of neurovascular compression in asymptomatic individuals. This article describes the vascular relations of the trigeminal nerve in the cerebellopontine angle (CPA) in 100 subjects without known TN studied with 3...
April 16, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29657893/targeting-accuracy-at-couch-kick-for-a-frameless-image-guided-radiosurgery-system
#16
Yimei Huang, Bo Zhao, Joshua Kim, Ning Wen, Indrin J Chetty, Salim Siddiqui
Purpose/Objectives: Targeting accuracy at all possible couch angles needs to be carefully evaluated prior to initiating a frameless image-guided stereotactic radiosurgery program on a Linac for treating functional disorders such as trigeminal neuralgia. In this study, we report positioning accuracy with stereoscopic x-ray imaging over the complete range of couch rotation using anthropomorphic head phantoms. Materials/Methods: An anthropomorphic head phantom with three 5 mm tungsten BBs as hidden targets was CT simulated...
2018: Journal of Radiosurgery and SBRT
https://www.readbyqxmd.com/read/29629601/occipital-neuralgia-associates-with-high-cervical-spinal-cord-lesions-in-idiopathic-inflammatory-demyelinating-disease
#17
Narayan R Kissoon, James C Watson, Christopher J Boes, Orhun H Kantarci
Background The association of trigeminal neuralgia with pontine lesions has been well documented in multiple sclerosis, and we tested the hypothesis that occipital neuralgia in multiple sclerosis is associated with high cervical spinal cord lesions. Methods We retrospectively reviewed the records of 29 patients diagnosed with both occipital neuralgia and demyelinating disease by a neurologist from January 2001 to December 2014. We collected data on demographics, clinical findings, presence of C2-3 demyelinating lesions, and treatment responses...
January 1, 2018: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/29626679/gamma-knife-radiosurgery-for-trigeminal-neuralgia-associated-with-osteogenesis-imperfecta
#18
Yoshiyasu Iwai, Kenichi Ishibashi, Kazuhiro Yamanaka
OBJECTIVE: Trigeminal neuralgia is a rare feature of basilar impression, a complication of osteochondrodysplastic disorders. Microvascular decompression is difficult in medically refractory cases. Gamma knife radiosurgery (GKS) is effective for classical trigeminal neuralgia and we first applied this GKS for a patient suffering from trigeminal neuralgia with basilar impression complicated by osteogenesis imperfecta. CLINICAL PRESENTATION: An 18-year-old man with typeⅠosteogenesis imperfecta presented with a 2-year history of typical left trigeminal neuralgia affecting the ophthalmic, maxillary, and mandibular nerves...
April 4, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29624148/reliability-of-mri-for-predicting-characteristics-of-neurovascular-conflicts-in-trigeminal-neuralgia-implications-for-surgical-decision-making
#19
Andrei Brînzeu, Landry Drogba, Marc Sindou
OBJECTIVE The choice of microvascular decompression (MVD), among the several other surgical options, for treating refractory classical trigeminal neuralgia (TN) relies mostly on preoperative imaging, but the degree of reliability of MRI remains a matter of debate. The authors approached the question of predictability of neurovascular conflict (NVC) in a series of 100 protocolized MRI studies from patients with TN who underwent MVD, by reexamination of MR images, blinded to the clinical data and surgical findings, including the side of the neuralgia...
April 6, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29614352/the-place-of-gamma-knife-stereotactic-radiosurgery-in-grade-4-vestibular-schwannoma-based-on-a-case-series-of-86-patients-with-long-term-follow-up
#20
M Lefranc, Leila Maria Da Roz, Anne Balossier, J M Thomassin, P H Roche, J Regis
INTRODUCTION: Grade IV vestibular schwannoma (Koos classification) is generally considered to be an indication for microsurgical resection or combined radiosurgery-microsurgery. However, the place of Gamma knife stereotactic surgery (GK-SRS), either as first-line treatment or when progression of residual tumor compresses the brainstem, has not been clearly evaluated. This article reports the results of a large case series of patients with grade 4 vestibular schwannoma treated by GK-SRS...
March 31, 2018: World Neurosurgery
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