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https://www.readbyqxmd.com/read/27901275/peripheral-nerve-blocks-for-the-treatment-of-headache-in-older-adults-a-retrospective-study
#1
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/27890538/a-model-for-stretch-growth-of-neurons
#2
Prashant K Purohit, Douglas H Smith
In the first phase of axon growth, axons sprout from neuron bodies and are extended by the pull of the migrating growth cones towards their targets. Thereafter, once the target is reached, a lesser known second phase of axon growth ensues as the mechanical forces from the growth of the animal induce extension of the integrated axons in the process of forming tracts and nerves. Although there are several microscopic physics based models of the first phase of axon growth, to date, there are no models of the very different second phase...
November 18, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27886020/cranial-electrotherapy-stimulation-affects-mood-state-but-not-levels-of-peripheral-neurotrophic-factors-or-hypothalamic-pituitary-adrenal-axis-regulation
#3
Hee-Tae Roh, Wi-Young So
Cranial electrotherapy stimulation (CES) is reported to aid in relieving symptoms of depression and anxiety, though the mechanism underlying this effect remains unclear. Therefore, the present study aimed to evaluate changes in the hypothalamic-pituitary-adrenal (HPA) axis response and levels of neurotrophic factors, as well as changes in mood state, in patients undergoing CES therapy. Fifty healthy postmenopausal women were randomly assigned to either a Sham CES group (n = 25) or an Active CES group (n = 25)...
November 18, 2016: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/27875487/microvascular-compromise-develops-following-nerve-fiber-layer-damage-in-normal-tension-glaucoma-without-choroidal-vasculature-involvement
#4
Eun Jung Lee, Sibum Kim, Sungsoon Hwang, Jong Chul Han, Changwon Kee
PURPOSE: To investigate capillary densities in patients with unilateral normal-tension glaucoma (NTG) and normal controls using optical coherence tomography-angiography. MATERIALS AND METHODS: We recruited 13 patients with unilateral NTG and 13 healthy controls. Optical coherence tomography-angiography was performed and pure peripapillary retinal capillary density was calculated after manually excluding large vessels and the optic disc. Paired comparison of capillary densities was performed among 3 categories of eye: NTG eye, fellow eye, and normal eye...
November 21, 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27861646/effect-of-geranylgeranylacetone-on-the-protection-of-retinal-ganglion-cells-in-a-mouse-model-of-normal-tension-glaucoma
#5
Zhenyu Dong, Yasuhiro Shinmei, Yoko Dong, Saori Inafuku, Junichi Fukuhara, Ryo Ando, Nobuyoshi Kitaichi, Atsuhiro Kanda, Kohichi Tanaka, Kousuke Noda, Takayuki Harada, Shinki Chin, Susumu Ishida
Glaucoma is characterized by axonal degeneration of retinal ganglion cells (RGCs) and apoptotic death of their cell bodies, and lowering intraocular pressure is associated with an attenuation of progressive optic nerve damage. Nevertheless, intraocular pressure (IOP) reduction alone was not enough to inhibit the progression of disease, which suggests the contribution of other factors to the glaucoma pathogenesis. In this study, we investigated the cytoprotective effect of geranylgeranylacetone (GGA) on RGCs degeneration using a normal tension glaucoma (NTG) mouse model, which lacks glutamate/aspartate transporter (GLAST) and demonstrates spontaneous RGC and optic nerve degeneration without elevated intraocular pressure (IOP)...
October 2016: Heliyon
https://www.readbyqxmd.com/read/27858587/the-feasibility-study-of-extradural-nerve-anastomosis-technique-for-canine-bladder-reinnervation-after-spinal-cord-injury
#6
Jian Tang, Jun Ma, Lei Yang, Xinpeng Huang, Yingbin Ge, Tao Sui, Zhongqing Wei, Xiaojian Cao
OBJECTIVE: Intradural nerve anastomosis for bladder innervation has been demonstrated to be useful. However, its clinical application remains limited because of the complex surgery, its complications and extensive bony destruction. The purpose of the current study was to demonstrate the feasibility of extradural spinal root anastomosis for bladder innervation in canines. METHODS: Ten beagle dogs were used. The length of the extradural segment of the nerve root, upper nerve root outlet (the point at which it emerges from the spinal dura mater) to S2 (dS2), the S3 (dS3) nerve root outlet distance, and the diameters of the extradural spinal roots were measured...
November 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27849014/renal-artery-vasodilation-may-be-an-indicator-of-successful-sympathetic-nerve-damage-during-renal-denervation-procedure
#7
Weijie Chen, Huaan Du, Jiayi Lu, Zhiyu Ling, Yi Long, Yanping Xu, Peilin Xiao, Laxman Gyawali, Kamsang Woo, Yuehui Yin, Bernhard Zrenner
Autonomic nervous system plays a crucial role in maintaining and regulating vessel tension. Renal denervation (RDN) may induce renal artery vasodilation by damaging renal sympathetic fibers. We conducted this animal study to evaluate whether renal artery vasodilation could be a direct indicator of successful RDN. Twenty-eight Chinese Kunming dogs were randomly assigned into three groups and underwent RDN utilizing temperature-controlled catheter (group A, n = 11) or saline-irrigated catheter (group B, n = 11) or sham procedure (group C, n = 6)...
November 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27846318/a-long-gap-peripheral-nerve-injury-therapy-using-human-skeletal-muscle-derived-stem-cells-sk-scs-an-achievement-of-significant-morphological-numerical-and-functional-recovery
#8
Tetsuro Tamaki, Maki Hirata, Nobuyuki Nakajima, Kosuke Saito, Hiroyuki Hashimoto, Shuichi Soeda, Yoshiyasu Uchiyama, Masahiko Watanabe
Losses in vital functions of the somatic motor and sensory nervous system are induced by severe long-gap peripheral nerve transection injury. In such cases, autologous nerve grafts are the gold standard treatment, despite the unavoidable sacrifice of other healthy functions, whereas the prognosis is not always favorable. Here, we use human skeletal muscle-derived stem cells (Sk-SCs) to reconstitute the function after long nerve-gap injury. Muscles samples were obtained from the amputated legs from 9 patients following unforeseen accidents...
2016: PloS One
https://www.readbyqxmd.com/read/27786243/new-strategies-for-the-treatment-and-prevention-of-primary-headache-disorders
#9
REVIEW
Nathaniel M Schuster, Alan M Rapoport
The primary headache disorders, which include migraine, cluster headache and tension-type headache, are among the most common diseases and leading causes of disability worldwide. The available treatment options for primary headache disorders have unsatisfactory rates of efficacy, tolerability and patient adherence. In this Review, we discuss promising new approaches for the prevention of primary headache disorders, such as monoclonal antibodies targeting calcitonin gene-related peptide (CGRP) or its receptor, and small-molecule CGRP receptor antagonists...
October 27, 2016: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/27783836/the-present-and-future-for-peripheral-nerve-regeneration
#10
Georgios N Panagopoulos, Panayiotis D Megaloikonomos, Andreas F Mavrogenis
Peripheral nerve injury can have a potentially devastating impact on a patient's quality of life, resulting in severe disability with substantial social and personal cost. Refined microsurgical techniques, advances in peripheral nerve topography, and a better understanding of the pathophysiology and molecular basis of nerve injury have all led to a decisive leap forward in the field of translational neurophysiology. Nerve repair, nerve grafting, and nerve transfers have improved significantly with consistently better functional outcomes...
October 25, 2016: Orthopedics
https://www.readbyqxmd.com/read/27781978/modified-suzuki-frame-for-the-treatment-of-difficult-rolando-fractures
#11
T Giesen, L Neukom, R Fakin, V Beckamm-Fries, M Calcagni
Fifteen consecutive patients with severely comminuted Rolando fractures were treated by closed reduction and fixation with a modified Suzuki frame without rubber bands, followed by immediate mobilization. All the fractures healed within 5 weeks. At 3 months, no rotational deformity was observed. The Kapandji score was equal that of the contralateral thumb in eight cases. No residual pain was recorded. Grip strength was 78% and pinch strength was 78% of the contralateral hand. One patient needed the frame tension modified...
October 2016: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/27776182/the-effect-of-diurnal-fluctuation-in-intraocular-pressure-on-the-evaluation-of-risk-factors-of-progression-in-normal-tension-glaucoma
#12
Seung Hoon Kim, Eun Jung Lee, Jong Chul Han, Sae Woon Sohn, Taekkwan Rhee, Changwon Kee
PURPOSE: To investigate whether diurnal fluctuation in intraocular pressure (IOP) can influence the result of the correlations between IOP-related factors and progression of normal tension glaucoma (NTG). METHODS: Glaucoma progression was defined as visual field (VF) progression and changes in the optic disc and/or retinal nerve fiber layer (RNFL). Two different methods were used to evaluate the impact of the diurnal fluctuation in IOP. 'Conventional method' used in previous studies included all IOP measurements during the follow up time...
2016: PloS One
https://www.readbyqxmd.com/read/27768064/applications-of-in-vivo-functional-testing-of-the-rat-tibialis-anterior-for-evaluating-tissue-engineered-skeletal-muscle-repair
#13
Ellen L Mintz, Juliana A Passipieri, Daniel Y Lovell, George J Christ
Despite the regenerative capacity of skeletal muscle, permanent functional and/or cosmetic deficits (e.g., volumetric muscle loss (VML) resulting from traumatic injury, disease and various congenital, genetic and acquired conditions are quite common. Tissue engineering and regenerative medicine technologies have enormous potential to provide a therapeutic solution. However, utilization of biologically relevant animal models in combination with longitudinal assessments of pertinent functional measures are critical to the development of improved regenerative therapeutics for treatment of VML-like injuries...
October 7, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27755347/optic-disc-characteristics-and-visual-field-progression-in-normal-tension-glaucoma-patients-with-tilted-optic-discs
#14
Youngkyo Kwun, Gyule Han, Yoon-Jung Choy, Jong Chul Han, Changwon Kee
PURPOSE OF THE STUDY: The purpose of the study was to evaluate the optic disc characteristics associated with visual field (VF) progression in normal tension glaucoma (NTG) eyes with tilted optic discs. METHODS: Sixty-six eyes of 66 NTG patients with tilted optic disc were included in this cross-sectional study, who were examined by at least 5 Humphrey 30-2 VFs. Glaucomatous VF progression was evaluated using pointwise linear regression. Optic nerve heads were scanned with enhanced-depth imaging optical coherence tomography (EDI-OCT), and evaluated for the focal lamina cribrosa (LC) defects and LC thicknesses...
October 14, 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27751810/deformation-of-optic-nerve-head-and-peripapillary-tissues-by-horizontal-duction
#15
Melinda Y Chang, Andrew Shin, Joseph Park, Aaron Nagiel, Robert A Lalane, Steven D Schwartz, Joseph L Demer
PURPOSE: To ascertain deformation of the optic nerve head (ONH) and peripapillary tissues caused by horizontal duction. DESIGN: Prospective, experimental study. METHODS: Optical coherence tomography of the ONH region was performed in 23 eyes of twelve normal volunteers in central gaze and increasing (10, 20, and 30°) adduction and abduction. Main outcome measures were changes from central gaze in the configuration of the ONH and peripapillary tissues in eccentric gazes...
October 14, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27742922/optical-coherence-tomography-angiography-analysis-of-perfused-peripapillary-capillaries-in-primary-open-angle-glaucoma-and-normal-tension-glaucoma
#16
Nicole K Scripsema, Patricia M Garcia, Richard D Bavier, Toco Y P Chui, Brian D Krawitz, Shelley Mo, Steven A Agemy, Luna Xu, Yijie B Lin, Joseph F Panarelli, Paul A Sidoti, James C Tsai, Richard B Rosen
Purpose: To compare perfused peripapillary capillary density in primary open-angle glaucoma (POAG), normal-tension glaucoma (NTG), and normal patients using optical coherence tomography angiography (OCT-A). Methods: A retrospective review of POAG, NTG, and normal patients imaged with OCT-A was performed. En face OCT angiograms identifying peripapillary vessels were obtained using a spectral-domain OCT system (Avanti RTVue-XR). A custom image analysis approach identified perfused peripapillary capillaries, quantified perfused capillary density (PCD), and generated color-coded PCD maps for 3...
July 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27740958/the-spinal-accessory-nerve-for-functional-muscle-innervation-in-facial-reanimation-surgery-an-anatomical-and-histomorphometric-study
#17
Eva Placheta, Ines Tinhofer, Melanie Schmid, Lukas F Reissig, Igor Pona, Wolfgang Weninger, Thomas Rath, David Chwei-Chin Chuang, Chieh-Han John Tzou
INTRODUCTION: Facial reanimation surgery is performed in severe cases of facial palsy to restore facial function. In a 1-stage procedure, the spinal accessory nerve can be used as a donor nerve to power a free gracilis muscle transplant for the reanimation of the mouth. The aim of this study was to describe the surgical anatomy of the spinal accessory nerve, provide a guide for reliable donor nerve dissection, and analyze the available donor axon counts. METHODS: Dissections were performed on 10 nonembalmed cadavers (measurements of 20 nerves)...
October 6, 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27698630/longitudinal-outcomes-following-a-randomized-controlled-trial-of-dynamic-splint-stretching-for-carpal-tunnel-syndrome
#18
F Buck Willis, Brook Fowler
Background: The incidence of carpal tunnel syndrome (CTS) is 48 million patients in the United States. The purpose of this longitudinal study was to determine whether Dynasplint stretching (immediately after diagnosis) had an effect on a patient's decision to seek surgical treatment for CTS. Methods: Fifty patients (10 men, 40 women, mean age 51.2 ± 12 years) were recruited for this randomized, controlled, longitudinal trial. Patients were diagnosed with CTS by physical examination and nerve conduction studies...
September 2016: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/27683674/lumbar-interbody-fusion-techniques-indications-and-comparison-of-interbody-fusion-options-including-plif-tlif-mi-tlif-olif-atp-llif-and-alif
#19
REVIEW
Ralph J Mobbs, Kevin Phan, Greg Malham, Kevin Seex, Prashanth J Rao
Degenerative disc and facet joint disease of the lumbar spine is common in the ageing population, and is one of the most frequent causes of disability. Lumbar spondylosis may result in mechanical back pain, radicular and claudicant symptoms, reduced mobility and poor quality of life. Surgical interbody fusion of degenerative levels is an effective treatment option to stabilize the painful motion segment, and may provide indirect decompression of the neural elements, restore lordosis and correct deformity. The surgical options for interbody fusion of the lumbar spine include: posterior lumbar interbody fusion (PLIF), transforaminal lumbar interbody fusion (TLIF), minimally invasive transforaminal lumbar interbody fusion (MI-TLIF), oblique lumbar interbody fusion/anterior to psoas (OLIF/ATP), lateral lumbar interbody fusion (LLIF) and anterior lumbar interbody fusion (ALIF)...
December 2015: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/27676673/ultrasound-guided-intermediate-site-greater-occipital-nerve-infiltration-a-technical-feasibility-study
#20
Jonathan Zipfel, Adrian Kastler, Laurent Tatu, Julien Behr, Rachid Kechidi, Bruno Kastler
BACKGROUND: Two studies recently reported that computed tomography (CT) guided infiltration of the greater occipital nerve at its intermediate site allows a high efficacy rate with long-lasting pain relief following procedure in occipital neuralgia and in various craniofacial pain syndromes. OBJECTIVE: The purpose of our study was to evaluate the technical feasibility and safety of ultrasound-guided intermediate site greater occipital nerve infiltration. STUDY DESIGN: Retrospective study...
September 2016: Pain Physician
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