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https://www.readbyqxmd.com/read/28808597/visual-evoked-potentials-in-primary-open-angle-glaucoma
#1
Mukesh Kumar Jha, Dilip Thakur, Nirmala Limbu, Badri Prasad Badhu, Bishnu Hari Paudel
BACKGROUND AND AIMS: Visual evoked potentials (VEPs) assess the integrity of the visual pathways from the optic nerve to the occipital cortex. Optic disc cupping and visual field loss have been associated with prolongation of latency of VEP in primary open angle glaucoma (POAG). METHODS: Pattern reversal and flash VEP tests were done in consenting 20 primary open angle glaucoma eyes and 40 normal control eyes. RESULTS: In POAG cases, the refractive error [3...
2017: Journal of Neurodegenerative Diseases
https://www.readbyqxmd.com/read/28802798/most-common-sites-on-mri-of-intracranial-neoplastic-leptomeningeal-disease
#2
J Matthew Debnam, Rory R Mayer, T Linda Chi, Leena Ketonen, Jeffrey S Weinberg, Wei Wei, Morris D Groves, Nandita Guha-Thakurta
Neoplastic leptomeningeal disease (LMD) represents infiltration of the leptomeninges by tumor cells. Knowledge of the frequencies of locations of LMD on MRI may assist in early detection, help elucidate the process of leptomeningeal spread of cancer and understand how LMD affects the central nervous system. Our goal was to identify intracranial sites of neoplastic LMD predilection on MRI in patients with cytologically-proven LMD. The presence of FLAIR signal hyperintensity and T1-weighted post-contrast enhancement in the sulci of the supratentorial compartment and cerebellum and enhancement of the cranial nerves (CNs), basal cisterns, pituitary stalk, and ependymal surface of the lateral ventricles, as well as the presence of parenchymal metastasis were recorded...
August 9, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28763879/-study-of-fraction-amplitude-of-low-frequency-fluctuation-on-resting-state-functional-magnetic-resonance-imaging-in-adultperipheral-facial-paralysis
#3
Y J Zhu, G L Ma, T B Song, L Du, R C Guo, S L Sun, H Li, L G Sun
Objective: To analysis the change of brain functional activity in the left and right peripheral facial paralysis by using resting-state functional magnetic resonance imaging (R-fMRI) of fraction amplitude of low frequency fluctuation(fALFF) measurement technique, and research the abnormal brain region with different side patients whether there are differences. Methods: A total of 43 patients with peripheral facial paralysis patients (patient groups, divided into left / right two subgroups) and 21 healthy volunteers (control group) in this study...
July 18, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28739475/posterior-osteosynthesis-with-monoaxial-lateral-mass-screw-rod-system-for-unstable-c1-burst-fractures
#4
Yin-Shun Zhang, Jian-Xiang Zhang, Qing-Guo Yang, Wei Li, Hui Tao, Cai-Liang Shen
BACKGROUND CONTEXT: Surgical treatment for unstable atlas fractures has evolved in recent decades from C1-C2 or C0-C2 fusion to motion-preservation techniques of open reduction and internal fixation (ORIF). However, regardless of transoral or posterior approach, the reduction is still not satisfactory. PURPOSE: The article describes and evaluates a new technique for treating the unstable atlas fractures by using a monoaxial screw-rod system. STUDY DESIGN: This is a retrospective study PATIENT SAMPLE: The sample includes adult patients with unstable C1 fractures treated with a posterior monoaxial screw-rod system...
July 21, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28728320/temple-and-postauricular-dissection-in-face-and-neck-lift-surgery
#5
Joo Heon Lee, Tae Suk Oh, Sung Wan Park, Jae Hoon Kim, Tanvaa Tansatit
Periauricular paresthesia may afflict patients for a significant amount of time after facelift surgery. When performing face and neck lift surgery, temple and posterior auricular flap dissection is undertaken directly over the auriculotemporal, great auricular, and lesser occipital nerve territory, leading to potential damage to the nerve. The auriculotemporal nerve remains under the thin outer superficial fascia just below the subfollicular level in the prehelical area. To prevent damage to the auriculotemporal nerve and to protect the temporal hair follicle, the dissection plane should be kept just above the thin fascia covering the auriculotemporal nerve...
July 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28708647/pneumocephalus-induced-oculomotor-nerve-palsy-after-atlanto-occipital-decompression-with-dural-plasty
#6
Yunfeng Han, Jianjun Sun, Zhenyu Wang
BACKGROUND: Pneumocephalus after posterior fossa craniotomy is very common. However, cranial nerve dysfunction secondary to pneumocephalus is a very rare phenomenon. PATIENT PRESENTATION: This case reports a patient who suffers from Chiari I malformation with syringomyelia in cervical spinal cord and develops unilateral oculomotor nerve palsy after atlanto-occipital decompression with dural plasty. CONCLUSIONS: Cranial nerve dysfunction caused by pneumocephalus after craniotomy is rare and easily misdiagnosed...
July 13, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28708008/long-term-follow-up-of-intractable-chronic-short-lasting-unilateral-neuralgiform-headache-disorders-treated-with-occipital-nerve-stimulation
#7
Sarah Miller, Laurence Watkins, Manjit Matharu
Background Occipital nerve stimulation is a potential treatment option for medically intractable short-lasting unilateral neuralgiform headache attacks. We present long-term outcomes in 31 patients with short-lasting unilateral neuralgiform headache attacks treated with occipital nerve stimulation in an uncontrolled open-label prospective study. Methods Thirty-one patients with intractable short-lasting unilateral neuralgiform headache attacks were treated with bilateral occipital nerve stimulation from 2007 to 2015...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28702799/greater-occipital-nerve-infiltration-under-mr-guidance-feasibility-study-and-preliminary-results
#8
Adrian Kastler, Romain Perolat, Bruno Kastler, Caroline Maindet-Dominici, Jan Fritz, Alim Louis Benabid, Stephan Chabardes, Alexandre Krainik
OBJECTIVE: To assess the feasibility of greater occipital nerve (GON) intermediate site infiltration with MRI guidance. METHODS: Eleven consecutive patients suffering from chronic refractory cranio-facial pain who underwent 16 GON infiltrations were included in this prospective study. All of the procedures were performed on an outpatient basis in the research facility of our institution, with a 1.5 T scanner. The fatty space between inferior obliquus and semispinalis muscles at C1-C2 level was defined as the target...
July 12, 2017: European Radiology
https://www.readbyqxmd.com/read/28700369/pulsed-radiofrequency-in-chronic-pain
#9
Thibaut Vanneste, Astrid Van Lantschoot, Koen Van Boxem, Jan Van Zundert
PURPOSE OF REVIEW: The increasing number of publications on pulsed radiofrequency (PRF) treatment of chronic pain reflects the interest for this technique. We summarize the literature for PRF in five indications: radicular pain, trigeminal neuralgia (TN), occipital neuralgia, shoulder and knee pain. RECENT FINDINGS: The efficacy and safety of PRF adjacent to the dorsal root ganglion was documented on cervical and on lumbar level.PRF has been used for the treatment of TN...
July 11, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28694600/long-term-resolution-of-delayed-onset-hypoglossal-nerve-palsy-following-occipital-condyle-fracture-case-report-and-review-of-the-literature
#10
Sudhakar Vadivelu, Zihan Masood, Bryan Krueger, Rudy Marciano, David Chen, Cliff Houseman, Salvatore Insinga
The authors present the case of a patient that demonstrates resolution of delayed onset hypoglossal nerve palsy (HNP) subsequent to occipital condyle fracture following a motor vehicle accident. Decompression of the hypoglossal nerve and craniocervical fixation led to satisfactory long-term (>5 years) outcome. There is a scarcity of literature in recognizing HNPs following trauma and a lack of pathophysiological understanding to both a delayed presentation and to resolution versus persistence. This is the first report demonstrating long-term resolution of hypoglossal nerve injury following trauma to the craniocervical junction...
April 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28691984/stepwise-rostrocaudal-brainstem-anesthesia-as-a-complication-of-local-anesthesia-a-case-report
#11
Braden Waters, Ryan R Kroll, John Muscedere, Lysa Boissé Lomax, Jessica E Burjorjee
Iatrogenic cranial nerve palsies can rarely complicate neurosurgical, oral maxillofacial, and otolaryngological procedures. Among the most serious complications of cranial nerve palsy is upper airway obstruction, which is life threatening. We present a case of multiple cranial nerve palsies evolving rapidly in a rostrocaudal stepwise fashion after infiltration of lidocaine to repair a cerebrospinal fluid leak in a patient postoccipital craniectomy. This led to hypoxic respiratory failure requiring mechanical ventilation before resolving spontaneously...
July 6, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28670271/white-matter-tract-integrity-in-alzheimer-s-disease-vs-late-onset-bipolar-disorder-and-its-correlation-with-systemic-inflammation-and-oxidative-stress-biomarkers
#12
Ariadna Besga, Darya Chyzhyk, Itxaso Gonzalez-Ortega, Jon Echeveste, Marina Graña-Lecuona, Manuel Graña, Ana Gonzalez-Pinto
Background: Late Onset Bipolar Disorder (LOBD) is the development of Bipolar Disorder (BD) at an age above 50 years old. It is often difficult to differentiate from other aging dementias, such as Alzheimer's Disease (AD), because they share cognitive and behavioral impairment symptoms. Objectives: We look for WM tract voxel clusters showing significant differences when comparing of AD vs. LOBD, and its correlations with systemic blood plasma biomarkers (inflammatory, neurotrophic factors, and oxidative stress)...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28634063/occipital-nerve-stimulation-for-the-treatment-of-refractory-occipital-neuralgia-a-case-series
#13
Orion P Keifer, Ashley Diaz, Melissa Campbell, Yarema B Bezchlibnyk, Nicholas M Boulis
No abstract text is available yet for this article.
June 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28619495/results-of-atypical-hemifacial-spasm-with-microvascular-decompression-14-cases-reported-and-lectures-reviewed
#14
Hua Zhao, Xin Zhang, Ying Zhang, Yin-da Tang, Jin Zhu, Xu-Hui Wang, Ting-Ting Ying, Shi-Ting Li
OBJECTIVE: There were few studies reporting atypical hemifacial spasm(AHFS) and the mechanism of AHFS is still unclear. The purpose of this article was to study the etiology, prognosis and treatment of atypical hemifacial spasm. METHODS: We retrospectively analyzed the clinical data for 14 consecutive patients that underwent microvascular decompression(MVD) for AHFS from January 2014 to December 2015. The clinical feature, outcome and complications were observed...
June 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28581034/the-clinical-features-risk-factors-and-surgical-treatment-of-cervicogenic-headache-in-patients-with-cervical-spine-disorders-requiring-surgery
#15
Keiko Shimohata, Kazuhiro Hasegawa, Osamu Onodera, Masatoyo Nishizawa, Takayoshi Shimohata
OBJECTIVE: To clarify the clinical features and risk factors of cervicogenic headache (CEH; as diagnosed according to the International Classification of Headache Disorders-Third Edition beta) in patients with cervical spine disorders requiring surgery. BACKGROUND: CEH is caused by cervical spine disorders. The pathogenic mechanism of CEH is hypothesized to involve a convergence of the upper cervical afferents from the C1, C2, and C3 spinal nerves and the trigeminal afferents in the trigeminocervical nucleus of the upper cervical cord...
July 2017: Headache
https://www.readbyqxmd.com/read/28579788/primary-angle-closure-glaucomas-disturb-regional-spontaneous-brain-activity-in-the-visual-pathway-an-fmri-study
#16
Wei Chen, Li Zhang, Yong-Gen Xu, Kai Zhu, Man Luo
OBJECTIVE: To explore the underlying regional brain activity deficits in the visual cortex in patients with primary angle-closure glaucoma (PACG) relative to normal controls (NCs) using regional homogeneity (ReHo) method, and its relationship with behavioral performances. PATIENTS: Twenty PACG patients (10 females, 10 males; mean age ± standard deviation [SD]: 54.42±9.46 years) and 20 age-, and sex status-matched NCs (10 females, 10 males; mean age ± SD: 53.75±9...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28527055/cluster-headache-present-and-future-therapy
#17
Massimo Leone, Alessandro Giustiniani, Alberto Proietti Cecchini
Cluster headache is characterized by severe, unilateral headache attacks of orbital, supraorbital or temporal pain lasting 15-180 min accompanied by ipsilateral lacrimation, rhinorrhea and other cranial autonomic manifestations. Cluster headache attacks need fast-acting abortive agents because the pain peaks very quickly; sumatriptan injection is the gold standard acute treatment. First-line preventative drugs include verapamil and carbolithium. Other drugs demonstrated effective in open trials include topiramate, valproic acid, gabapentin and others...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28517492/practical-considerations-of-linear-accelerator-based-frameless-extracranial-radiosurgery-for-treatment-of-occipital-neuralgia-for-nonsurgical-candidates
#18
Travis R Denton, Lisa B E Shields, Jonathan N Howe, Todd S Shanks, Aaron C Spalding
Occipital neuralgia generally responds to medical or invasive procedures. Repeated invasive procedures generate increasing complications and are often contraindicated. Stereotactic radiosurgery (SRS) has not been reported as a treatment option largely due to the extracranial nature of the target as opposed to the similar, more established trigeminal neuralgia. A dedicated phantom study was conducted to determine the optimum imaging studies, fusion matrices, and treatment planning parameters to target the C2 dorsal root ganglion which forms the occipital nerve...
May 18, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28511365/morphological-and-morphometric-analysis-of-hypoglossal-canal-in-north-indian-dry-skulls-and-it-s-significance-in-cranial-base-surgeries
#19
Shalini Kumar, Ranjana Verma, Arpita Mahajan Rai, Raj D Mehra
INTRODUCTION: Hypoglossal Canal (HC) is a paired bony passage which is situated above the Occipital Condyle (OC) and transmits hypoglossal nerve and blood vessels. Studies on the osteotic variations of HC has been a field of considerable interest to research workers especially because of its clinical, radiological and surgical significance. AIM: The aim of the present study was to analyze the morphological and morphometric features of HC and its topographical relationship with OC...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28498375/neuro-ophthalmologic-manifestations-of-cholangiocarcinoma-a-case-series
#20
G Rico, S V Smith, Y Siddiqui, A Whyte, D Gombos, A G Lee
PurposeTo describe the neuro-ophthalmologic findings of cholangiocarcinoma.MethodsWe report a retrospective chart review of cholangiocarcinoma patients presenting at two tertiary care centers in the Texas Medical Center.ResultsFive patients with neuro-ophthalmologic symptoms related to cholangiocarcinoma were identified. One patient presented with diplopia due to metastasis to the left medial rectus muscle, two patients had metastasis to the occipital lobe resulting in homonymous hemianopsia, one patient had involvement of the clivus resulting in sixth nerve palsy, and one presented with a hypercoagulable state-related stroke causing a homonymous hemianopsia and visual hallucinations...
May 12, 2017: Eye
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