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Trigeminal nerve

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https://www.readbyqxmd.com/read/28209378/facial-nerve-paralysis-after-super-selective-intra-arterial-chemotherapy-for-oral-cancer
#1
S Sugiyama, T Iwai, S Oguri, T Koizumi, K Mitsudo, I Tohnai
Facial nerve paralysis (FNP) after super-selective intra-arterial chemotherapy (SSIAC) is a relatively rare local side effect of SSIAC to the maxillary artery (MA) or the middle meningeal artery (MMA). The incidence and prognosis of FNP after SSIAC in 381 patients with oral cancer (133 with catheterization of the MA, 248 without) was investigated retrospectively. Only three patients (two male and one female) had FNP, for an incidence of 0.8%. All patients with FNP had undergone catheterization of the MA, and the incidence of FNP in this group was 2...
February 10, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28203025/-trigemino-cardiac-reflex-in-skull-base-surgery
#2
H Z Duan, Y Zhang, L Li, J Y Zhang, Z Q Yi, S D Bao
OBJECTIVE: To explore the mechanism, clinical features, and prognosis of Trigemino-cardiac reflex (TCR) during skull base operations. METHODS: A retrospective analysis was performed on 291 patients with skull base disease from Jan. 2009 to Oct. 2015 in Peking University First Hospital. By reviewing the patients' operative data and anaesthetic electrical record, and we picked out all the patients who suffered from TCR during the operation and analyzed their surgical procedures, clinical features, influence factors, and prognosis...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28195897/base-of-skull-blocks-for-open-reduction-and-internal-fixation-of-faciomaxillary-fractures
#3
Sandeep Mehrotra, Sunil Anand
INTRODUCTION: Faciomaxillary fractures (FMF) occur in a significant proportion of trauma patients. Nearly all polytrauma patients and even those with isolated FMF are managed under general anesthesia for definitive management. We propose the use of regional nerve blocks as a safe and effective means for open reduction and fixation of isolated FMF. AIM AND OBJECTIVES: The aim is to evaluate the feasibility, effectiveness and safety of base of skull maxillomandibular and distal trigeminal nerve blocks in the management of FMF...
February 14, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28195750/dosimetric-analysis-of-neural-and-vascular-structures-in-skull-base-tumors-treated-with-stereotactic-radiosurgery
#4
Yarah M Haidar, Jay M Bhatt, Yaser Ghavami, Omid Moshtaghi, Amanda Schwer, Stafford Chenery, Hamid R Djalilian
Objective To examine the relationship between the prescribed target dose and the dose to healthy neurovascular structures in patients with vestibular schwannomas treated with stereotactic radiosurgery (SRS). Study Design Case series with chart review. Setting SRS center from 2011 to 2013. Subjects Twenty patients with vestibular schwannomas treated at the center from 2011 to 2013. Methods Twenty patients with vestibular schwannomas were included. The average radiation dose delivered to healthy neurovascular structures (eg, carotid artery, basilar artery, facial nerve, trigeminal nerve, and cochlea) was analyzed...
February 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28194509/fetal-facial-nerve-course-in-the-ear-region-revisited
#5
Zhe Wu Jin, Kwang Ho Cho, Hiroshi Abe, Yukio Katori, Gen Murakami, Jose Francisco Rodríguez-Vázquez
PURPOSE: The aim of this study was to re-examine the structures that determine course of the facial nerve (FN) in the fetal ear region. MATERIALS AND METHODS: We used sagittal or horizontal sections of 28 human fetuses at 7-8, 12-16, and 25-37 weeks. RESULTS: The FN and the chorda tympani nerve ran almost parallel until 7 weeks. The greater petrosal nerve (GPN) ran vertical to the distal FN course due to the trigeminal nerve ganglion being medial to the geniculate ganglion at 7 weeks...
February 14, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28194098/spatiotemporal-profiles-of-proprioception-processed-by-the-masseter-muscle-spindles-in-rat-cerebral-cortex-an-optical-imaging-study
#6
Satoshi Fujita, Mari Kaneko, Hiroko Nakamura, Masayuki Kobayashi
Muscle spindles in the jaw-closing muscles, which are innervated by trigeminal mesencephalic neurons (MesV neurons), control the strength of occlusion and the position of the mandible. The mechanisms underlying cortical processing of proprioceptive information are critical to understanding how sensory information from the masticatory muscles regulates orofacial motor function. However, these mechanisms are mostly unknown. The present study aimed to identify the regions that process proprioception of the jaw-closing muscles using in vivo optical imaging with a voltage-sensitive dye in rats under urethane anesthesia...
2017: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/28187210/reappraisal-of-the-envenoming-capacity-of-euchambersia-mirabilis-therapsida-therocephalia-using-%C3%AE-ct-scanning-techniques
#7
Julien Benoit, Luke A Norton, Paul R Manger, Bruce S Rubidge
Euchambersia mirabilis is an iconic species of Permo-Triassic therapsid because of its unusually large external maxillary fossa linked through a sulcus to a ridged canine. This anatomy led to the commonly accepted conclusion that the large fossa accommodated a venom gland. However, this hypothesis remains untested so far. Here, we conducted a μCT scan assisted reappraisal of the envenoming capacity of Euchambersia, with a special focus on the anatomy of the maxillary fossa and canines. This study shows that the fossa, presumably for the venom-producing gland, is directly linked to the maxillary canal, which carries the trigeminal nerve (responsible for the sensitivity of the face)...
2017: PloS One
https://www.readbyqxmd.com/read/28186468/nocifensive-behaviors-in-mice-with-radiation-induced-oral-mucositis
#8
Michael W Nolan, C Tyler Long, Karen L Marcus, Shayan Sarmadi, Donald M Roback, Tomoki Fukuyama, Wolfgang Baeumer, B Duncan X Lascelles
Oral mucositis can result in significant dysphagia, and is the most common dose-limiting acute toxicity in head and neck cancer patients receiving chemoradiotherapy. There is a critical need to determine the cellular and molecular mechanisms that underlie radiotherapy-associated discomfort in patients with mucositis. The objective was to induce oral mucositis in mice, using a clinical linear accelerator, and to quantify resultant discomfort, and characterize peripheral sensitization. A clinical linear accelerator was used to deliver ionizing radiation to the oral cavity of mice...
February 10, 2017: Radiation Research
https://www.readbyqxmd.com/read/28184169/differential-drug-effects-on-spontaneous-and-evoked-pain-behavior-in-a-model-of-trigeminal-neuropathic-pain
#9
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/28178213/neurotrophic-factors-ngf-gdnf-and-ntn-selectively-modulate-hsv1-and-hsv2-lytic-infection-and-reactivation-in-primary-adult-sensory-and-autonomic-neurons
#10
Andy A Yanez, Telvin Harrell, Heather J Sriranganathan, Angela M Ives, Andrea S Bertke
Herpes simplex viruses (HSV1 and HSV2) establish latency in peripheral ganglia after ocular or genital infection, and can reactivate to produce different patterns and frequencies of recurrent disease. Previous studies showed that nerve growth factor (NGF) maintains HSV1 latency in embryonic sympathetic and sensory neurons. However, adult sensory neurons are no longer dependent on NGF for survival, some populations cease expression of NGF receptors postnatally, and the viruses preferentially establish latency in different populations of sensory neurons responsive to other neurotrophic factors (NTFs)...
February 7, 2017: Pathogens
https://www.readbyqxmd.com/read/28178163/the-significance-of-diffusion-tensor-magnetic-resonance-imaging-for-patients-with-nasopharyngeal-carcinoma-and-trigeminal-nerve-invasion
#11
Tian Li, Li Sheng, Cui Chunyan, He Haoqiang, Peng Kangqiang, Gong Xiao, Liu Lizhi
To investigate the significance of diffusion tensor imaging (DTI) for patients with nasopharyngeal carcinoma (NPC) and trigeminal nerve invasion.Fifty-two patients with NPC and unilateral infringement and 30 healthy controls were recruited for our study. Routine magnetic resonance imaging (MRI) and DTI were performed for all participants. Within-group and between-group comparisons of DTI metrics, including fractional anisotropy (FA) and the apparent diffusion coefficient (ADC) of the third (V3) branch of the bilateral trigeminal nerves of all participants, were carried out...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28175533/189%C3%A2-comparison-of-efficacy-of-tonic-and-burst-occipital-nerve-stimulation-in-treating-trigeminal-allodynia-chronic-result
#12
Shannon Wang Clark, Lalit Venkatesan, David Boorman, Nathan Fried, Michael Oshinsky, Ashwini Dayal Sharan, Melanie Elliott
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28175487/190%C3%A2-a-comparative-analysis-of-operative-and-radiographic-findings-of-neurovascular-compression-of-the-trigeminal-nerve-in-patients-without-trigeminal-neuralgia
#13
Raymond F Sekula, Marion Hughes, Hossein Mousavi
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28162635/-389-treatment-of-refractory-trigeminal-neuralgia-caused-by-head-and-neck-radiation-with-ultrasound-guided-trigeminal-nerve-block
#14
A Ebrahimi, A Nader, M Kendall
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28162634/-390-dexamethasone-versus-triamcinolone-side-effects-for-ultrasound-guided-trigeminal-nerve-block-for-the-treatment-of-refractory-typical-or-atypical-facial-pain
#15
A Nader, M Kendall
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28159327/non-invasive-transcutaneous-supraorbital-neurostimulation-tsns-using-cefaly-%C3%A2-device-in-prevention-of-primary-headaches
#16
Anna Przeklasa-Muszyńska, Kinga Skrzypiec, Magdalena Kocot-Kępska, Jan Dobrogowski, Maciej Wiatr, Joanna Mika
Headaches are one of the most common pain syndromes experienced by adult patients. International Classification of Headache Disorders identifies about 300 different entities. Primary headaches (migraine, tension-type headache, trigeminal autonomic cephalalgias, other primary headaches) has the common occurrence. Although effective treatment of these disorders is possible, it is inefficient or poorly tolerated in some patients. Neuromodulation methods, being element of multimodal treatment, provide an additional treatment option in pharmacotherapy-refractory patients...
January 20, 2017: Neurologia i Neurochirurgia Polska
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/28155010/chemokine-cxcl13-activates-p38-mapk-in-the-trigeminal-ganglion-after-infraorbital-nerve-injury
#19
Qian Zhang, Ming-Di Zhu, De-Li Cao, Xue-Qiang Bai, Yong-Jing Gao, Xiao-Bo Wu
Recent data demonstrated that chemokine CXCL13 mediates neuroinflammation and contributes to the maintenance of neuropathic pain after nerve injury in the spinal cord. Pro-nociceptive chemokines activate mitogen-activated protein kinases (MAPKs) which are potential signaling pathways contributing to the nociceptive behavior in inflammatory or neuropathic pain. However, whether activation of p38 and JNK MAPK signaling pathway in the trigeminal ganglion (TG) are involved in CXCL13 and its receptor CXCR5-mediated orofacial pain has not yet been clarified...
February 2, 2017: Inflammation
https://www.readbyqxmd.com/read/28153690/lactate-and-glutamate-dynamics-during-prolonged-stimulation-of-the-rat-barrel-cortex-suggest-adaptation-of-cerebral-glucose-and-oxygen-metabolism
#20
Sarah Sonnay, João M N Duarte, Nathalie Just
A better understanding of BOLD responses stems from a better characterization of the brain's ability to metabolize glucose and oxygen. Non-invasive techniques such as functional magnetic resonance spectroscopy (fMRS) have thus been developed allowing for the reproducible assessment of metabolic changes during barrel cortex (S1BF) activations in rats. The present study aimed at further exploring the role of neurotransmitters on local and temporal changes in vascular and metabolic function in S1BF. fMRS and fMRI data were acquired sequentially in α-chloralose anesthetized rats during 32-min rest and trigeminal nerve stimulation periods...
January 30, 2017: Neuroscience
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