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https://www.readbyqxmd.com/read/29792350/management-of-veins-during-microvascular-decompression-for-idiopathic-trigeminal-neuralgia
#1
Xu Zhao, Shuai Hao, Minqing Wang, Chao Han, Deguang Xing, Chengwei Wang
OBJECT: To summarize our experience in treating veins during microvascular decompression (MVD) procedures for idiopathic trigeminal neuralgia (TN). METHODS: A total of 210 patients who underwent single MVD for idiopathic TN were retrospectively studied. The offending vessels were summarized. The treatment choices for veins during the operation were reviewed. Postoperative long-term outcomes were determined by follow-up. RESULTS: Veins accounted for 26...
May 24, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29792000/endoscopic-microvascular-decompression-for-trigeminal-neuralgia-is-it-what-we-should-aim-for
#2
Y R Yadav, Vijay Parihar, Shailendra Ratre
No abstract text is available yet for this article.
June 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29790722/minimally-invasive-endoscopic-assisted-approaches-to-the-posterior-fossa
#3
Alexander Yang, Zach Folzenlogen, A Samy Youssef
Modern surgical approaches are becoming more minimalistic, associated with the term 'minimally invasive'. The endoscope provides a more panoramic anatomical view in addition to the ability to access narrow deep corners with decent illumination and clear visualization. Endoscopic assisted microsurgery through a tailored small craniotomy is the foundation of keyhole surgery. The endoscope can be advanced deeper into the field, thus enhancing an exposure and allowing bimanual dissection, thus prompting smaller craniotomies and tailored key exposures...
May 22, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29789115/hints-on-diagnosing-and-treating-headache
#4
Arne May
BACKGROUND: Headache, like dizziness, is one of the more common presenting complaints in outpatient care and in the emergency room. More than 200 varieties of headache have been described, and the false impression may arise that the diagnosis and treatment of these syndromes is a highly challenging task. METHODS: This review is based on pertinent articles retrieved by a selective search in PubMed. RESULTS: In primary headache, the headache is not a symptom but a disease in its own right...
April 27, 2018: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/29788154/macrovascular-decompression-of-facial-nerve-with-anteromedial-transposition-of-a-dolichoectatic-vertebral-artery-3-dimensional-operative-video
#5
Halima Tabani, Sonia Yousef, Jan-Karl Burkhardt, Sirin Gandhi, Arnau Benet, Michael T Lawton
Most cranial nerve compression syndromes (ie, trigeminal neuralgia and hemifacial spasm) are caused by small arteries impinging on a nerve and are relieved by microvascular decompression. Rarely, cranial nerve compression syndromes can be caused by large artery impingement and can be relieved by macrovascular decompression. When present, this compression often occurs in association with degenerative atherosclerosis in the vertebral arteries (VA) and basilar artery. Conservative treatment is recommended for mild forms, but surgical transposition of the VA away from the root entry zone (REZ) can be considered...
May 21, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29787347/stp-position-paper-recommended-best-practices-for-sampling-processing-and-analysis-of-the-peripheral-nervous-system-nerves-and-somatic-and-autonomic-ganglia-during-nonclinical-toxicity-studies
#6
Brad Bolon, Georg Krinke, Mark T Butt, Deepa B Rao, Ingrid D Pardo, Bernard S Jortner, Robert H Garman, Karl Jensen, Lydia Andrews-Jones, James P Morrison, Alok K Sharma, Michael S Thibodeau
Peripheral nervous system (PNS) toxicity is surveyed inconsistently in nonclinical general toxicity studies. These Society of Toxicologic Pathology "best practice" recommendations are designed to ensure consistent, efficient, and effective sampling, processing, and evaluation of PNS tissues for four different situations encountered during nonclinical general toxicity (screening) and dedicated neurotoxicity studies. For toxicity studies where neurotoxicity is unknown or not anticipated (situation 1), PNS evaluation may be limited to one sensorimotor spinal nerve...
January 1, 2018: Toxicologic Pathology
https://www.readbyqxmd.com/read/29785739/in-vitro-formation-of-the-merkel-cell-neurite-complex-in-embryonic-mouse-whiskers-using-organotypic-co-cultures
#7
Kentaro Ishida, Tetsuichiro Saito, Toshiyuki Mitsui
A Merkel cell-neurite complex is a touch receptor composed of specialized epithelial cells named Merkel cells and peripheral sensory nerves in the skin. Merkel cells are found in touch-sensitive skin components including whisker follicles. The nerve fibers that innervate Merkel cells of a whisker follicle extend from the maxillary branch of the trigeminal ganglion. Whiskers as a sensory organ attribute to the complicated architecture of the Merkel cell-neurite complex, and therefore it is intriguing how the structure is formed...
May 22, 2018: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/29785638/intermittent-convection-enhanced-delivery-of-gdnf-into-rhesus-monkey-putamen-absence-of-local-or-cerebellar-toxicity
#8
Matthias Luz, Philip C Allen, John Bringas, Chris Boiko, Diane E Stockinger, Kristen J Nikula, Owen Lewis, Max Woolley, H Christian Fibiger, Krystof Bankiewicz, Erich Mohr
Glial cell line-derived neurotrophic factor (GDNF) has demonstrated neurorestorative and neuroprotective effects in rodent and nonhuman primate models of Parkinson's disease. However, continuous intraputamenal infusion of GDNF (100 µg/day) resulted in multifocal cerebellar Purkinje cell loss in a 6-month toxicity study in rhesus monkeys. It was hypothesized that continuous leakage of GDNF into the cerebrospinal fluid compartment during the infusions led to down-regulation of GDNF receptors on Purkinje cells, and that subsequent acute withdrawal of GDNF then mediated the observed cerebellar lesions...
May 22, 2018: Archives of Toxicology
https://www.readbyqxmd.com/read/29785316/a-pediatric-case-of-relapsing-remitting-multiple-sclerosis-onset-following-varicella-zoster-ophthalmicus-with-optic-neuritis
#9
Naoko Shiba, Yuji Inaba, Mitsuo Motobayashi, Makoto Nishioka, Yoichiro Kawasaki, Shunsuke Noda, Hiroki Matsuura, Norimoto Kobayashi, Takafumi Matsuoka, Akinori Nakamura, Yozo Nakazawa
Some epidemiological studies have implied a pathogenetic association between varicella zoster virus (VZV) and multiple sclerosis (MS); this, however, remains controversial. The present report describes a case involving an immunocompetent 10-year-old girl who developed relapsing-remitting MS following the prolonged reactivation of VZV inside the first branch of the trigeminal nerve, exhibiting herpes zoster ophthalmicus with severe optic neuritis. Symptoms related to herpes zoster ophthalmicus and MS appeared consecutively in the 10-week period after the appearance of vesicles...
2018: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/29782071/evaluation-of-idiopathic-olfactory-loss-with-chemosensory-event-related-potentials-and-magnetic-resonance-imaging
#10
Jia Liu, Jayant M Pinto, Ling Yang, Linyin Yao, Xutao Miao, Yongxiang Wei
BACKGROUND: Idiopathic olfactory loss (IOL) accounts for a sizable fraction of olfactory dysfunction, but very little is known about its etiology and electrophysiological changes in the olfactory pathway. METHODS: We analyzed the physiology of IOL using chemosensory event-related potentials (ERPs) (olfactory and trigeminal: oERP and tERP) and olfactory pathway magnetic resonance imaging (MRI) measured in adult patients with IOL and healthy controls. Subjective olfactory function was measured by Toyota and Takagi (T&T) olfactometry and Sniffin' Sticks (SS)...
May 21, 2018: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/29782034/trigeminal-nerve-sheath-tumor-presenting-as-a-cluster-headache
#11
Ario Mirian, Adrian Budhram, Andrew Leung, Michelle-Lee Jones
No abstract text is available yet for this article.
May 21, 2018: Headache
https://www.readbyqxmd.com/read/29780939/sixth-cranial-nerve-palsy-and-ipsilateral-trigeminal-neuralgia-caused-by-vertebrobasilar-dolichoectasia
#12
Thong Pham, Jeffrey Wesolowski, Jonathan D Trobe
Purpose: To report an unusual case of vertebrobasilar dolichoectasia causing both trigeminal neuralgia and ipsilateral sixth cranial nerve palsy. Observations: A patient had undergone surgical decompression of trigeminal neuralgia caused by dolichoectatic vertebral and basilar arteries years before presenting with ipsilateral sixth nerve palsy. Brain MRI showed deviant vertebrobasilar arteries that presumably now compressed the sixth cranial nerve. The unaffected left sixth cranial nerve was visible on MRI, but the affected right sixth cranial nerve was not...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29780146/propylthiouracil-induced-otitis-media-with-antineutrophil-cytoplasmic-antibody-associated-vasculitis
#13
Rika Tanaka, Yasuhiro Shimojima, Hideaki Moteki, Dai Kishida, Ken-Ichi Ueno, Yoshiki Sekijima
We herein report a case of otitis media with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (OMAAV) induced by propylthiouracil (PTU). A 30-year-old Japanese woman with Graves' disease, who was treated with PTU, reported with otitis media with sensorineural hearing loss bilaterally and trigeminal neuralgia on the left side, as well as elevated serum levels of myeloperoxidase-ANCA. Prior treatment with antibiotics was ineffective even after tympanostomy. However, clinical remission was immediately achieved after initiating prednisolone together with PTU withdrawal...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29778285/subcutaneous-tissue-metastasis-from-glioblastoma-multiforme-a-case-report-and-review-of-the-literature
#14
Natalia Frade Porto, Juan Delgado Fernández, María de Los Ángeles García Pallero, Juan Ramón Penanes Cuesta, Paloma Pulido Rivas, Ricardo Gil Simoes
Glioblastoma multiforme is the most common primary brain tumor, despite an aggressive clinical course, less than 2% of patients develop extraneural metastasis. We present a 72-year-old male diagnosed with a right temporal glioblastoma due to headache. He underwent total gross resection surgery and after that the patient was treated with adyuvant therapy. Five months after the patient returned with trigeminal neuralgia, and MRI showed an infratemporal cranial mass which infiltrates masticator space, the surrounding bone, the temporal muscle and superior cervical and parotid lymph nodes...
May 16, 2018: Neurocirugía
https://www.readbyqxmd.com/read/29777819/7-tesla-magnetic-resonance-imaging-of-caudal-anterior-cingulate-and-posterior-cingulate-cortex-atrophy-in-patients-with-trigeminal-neuralgia
#15
Hyeong Cheol Moon, Chan-A Park, Yeong-Jae Jeon, Soon Tae You, Hyun Man Baek, Youn Joo Lee, Chul Beom Cho, Chae Joon Cheong, Young Seok Park
The cingulate cortex (CC) is a brain region that plays a key role in pain processing, but CC abnormalities are not unclear in patients with trigeminal neuralgia (TN). The purpose of this study was to determine the central causal mechanisms of TN and the surrounding brain structure in healthy controls and patients with TN using 7 Tesla (T) magnetic resonance imaging (MRI). Whole-brain parcellation in gray matter volume and thickness was assessed in 15 patients with TN and 16 healthy controls matched for sex, age, and regional variability using T1-weighted imaging...
May 16, 2018: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/29772691/periodontal-tissues-maxillary-jaw-bone-and-tooth-regeneration-approaches-from-animal-models-analyses-to-clinical-applications
#16
REVIEW
Fareeha Batool, Marion Strub, Catherine Petit, Isaac Maximiliano Bugueno, Fabien Bornert, François Clauss, Olivier Huck, Sabine Kuchler-Bopp, Nadia Benkirane-Jessel
This review encompasses different pre-clinical bioengineering approaches for periodontal tissues, maxillary jaw bone, and the entire tooth. Moreover, it sheds light on their potential clinical therapeutic applications in the field of regenerative medicine. Herein, the electrospinning method for the synthesis of polycaprolactone (PCL) membranes, that are capable of mimicking the extracellular matrix (ECM), has been described. Furthermore, their functionalization with cyclosporine A (CsA), bone morphogenetic protein-2 (BMP-2), or anti-inflammatory drugs' nanoreservoirs has been demonstrated to induce a localized and targeted action of these molecules after implantation in the maxillary jaw bone...
May 16, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29771988/variables-associated-with-sleep-quality-in-chronic-tension-type-headache-a-cross-sectional-and-longitudinal-design
#17
Elena Benito-González, Maria Palacios-Ceña, Juan J Fernández-Muñoz, Matteo Castaldo, Kelun Wang, Antonella Catena, Lars Arendt-Nielsen, César Fernández-de-Las-Peñas
OBJECTIVE: To investigate variables associated at baseline (cross-sectional design) and at one year (longitudinal design) with the quality of sleep in chronic tension-type headache (CTTH). METHODS: One hundred and eighty (n = 180) and 135 individuals with CTTH participated in the cross-sectional and longitudinal design respectively. Clinical features were collected with a 4-weeks headache diary at baseline and one-year follow-up. Sleep quality was assessed at baseline and 1-year follow-up with the Pittsburgh Sleep Quality Index...
2018: PloS One
https://www.readbyqxmd.com/read/29771142/the-development-of-a-mouse-model-of-mtbi-induced-post-traumatic-migraine-and-identification-of-the-delta-opioid-receptor-as-a-novel-therapeutic-target
#18
Laura S Moye, Madeline L Novack, Alycia F Tipton, Harish Krishnan, Subhash C Pandey, Amynah Aa Pradhan
Background Post-traumatic headache is the most common and long-lasting impairment observed following mild traumatic brain injury, and frequently has migraine-like characteristics. The mechanisms underlying progression from mild traumatic brain injury to post-traumatic headache are not fully understood. The aim of this study was to develop a mouse model of post-traumatic headache and identify mechanisms and novel targets associated with this disorder. Methods We combined the closed head weight-drop method and the nitroglycerin chronic migraine model...
January 1, 2018: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/29769452/acute-glaucoma-attack-following-microvascular-decompression-surgery-for-trigeminal-neuralgia
#19
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/29768271/direct-potentiation-of-capsaicin-current-by-histamine-and-its-effect-by-suplatast-on-rat-trigeminal-ganglia-neurons
#20
Jian-Rong Zhou, Tetsuya Shirasaki, Fumio Soeda, Kazumi Yokomizo, Kazuo Takahama
In this study, we investigated the effect of histamine on capsaicin-induced current and its influence by suplatast in rat trigeminal ganglia neurons using a patch-clamp technique. We found that histamine directly potentiated capsaicin-induced currents in rat sensory neurons, and suplatast had little effect on this potentiation. Since it has been known that suplatast suppresses histamine release from mast cells, it is possible that suplatast inhibits the activation of nociceptive fibers in the pathological condition via prevention of histamine-induced potentiation of the transient receptor potential vanilloid 1 receptor-mediated currents...
May 16, 2018: Pharmacology
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