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https://www.readbyqxmd.com/read/29349766/constant-existence-of-the-sensory-branch-of-the-nerve-to-the-pyramidalis-distributing-to-the-upper-margin-of-the-pubic-ramus
#1
Daijiro Haba, Kenji Emura, Yuko Watanabe, Ikuo Kageyama, Satoshi Kikkawa, Mamoru Uemura, Takamitsu Arakawa
Twenty-one sides of 11 adult Japanese cadavers were investigated, and 2 of 21 sides exhibited absence of the pyramidalis. We observed that all of the nerves to the pyramidalis included the sensory nerve branch, which distributed to the aponeurotic tissue in the upper area of the pubic ramus. To investigate the clinical relevance and developmental process of the pyramidalis, detailed innervation patterns of the pyramidalis and the lumber plexus were examined and compared with the case of absent pyramidalis. The nerves to the pyramidalis could be classified into five types by the derivative nerves and two subtypes by their courses associated with the funiculus spermaticus...
January 18, 2018: Anatomical Science International
https://www.readbyqxmd.com/read/29343781/ocular-and-clinical-characteristics-associated-with-the-extent-of-posterior-lamina-cribrosa-curve-in-normal-tension-glaucoma
#2
Seung Hyen Lee, Tae-Woo Kim, Eun Ji Lee, Michaël J A Girard, Jean Martial Mari, Robert Ritch
Although normal-tension glaucoma (NTG) is pathogenetically heterogenous, there have been few attempts to subclassify NTG patients according to the mechanism and anatomy of optic nerve damage. This cross-sectional study was performed to investigate differences in the clinical and ocular characteristics between NTG patient groups stratified according to the degree of posterior lamina cribrosa (LC) curve which was assessed by calculating LC curvature index (LCCI). A total of 101 eyes of 101 treatment naïve NTG patients were included...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29340791/treatment-of-disabling-headache-with-greater-occipital-nerve-injections-in-a-large-population-of-childhood-and-adolescent-patients-a-service-evaluation
#3
Francesca Puledda, Peter J Goadsby, Prab Prabhakar
BACKGROUND: Pediatric headache disorders can be extremely disabling, with marked reduction in the quality of life of children and their carers. Evidenced-based options for the treatment of primary headache disorders with preventive medication is limited and clinical outcomes are often unsatisfactory. Greater occipital nerve injections represent a rapid and well-tolerated therapeutic option, which is widely used in clinical practice in adults, and has previously shown a good outcome in a pediatric population...
January 16, 2018: Journal of Headache and Pain
https://www.readbyqxmd.com/read/29340640/in-vivo-three-dimensional-lamina-cribrosa-strains-in-healthy-ocular-hypertensive-and-glaucoma-eyes-following-acute-intraocular-pressure-elevation
#4
Meghna R Beotra, Xiaofei Wang, Tin A Tun, Liang Zhang, Mani Baskaran, Tin Aung, Nicholas G Strouthidis, Michaël J A Girard
Purpose: To compare in vivo lamina cribrosa (LC) strains (deformations) following acute IOP elevation in healthy, glaucoma, and ocular hypertensive subjects. Methods: There were 20 healthy, 20 high-tension primary open-angle glaucoma (POAG), 16 primary angle-closure glaucoma (PACG), and 20 ocular hypertensive (OHT; with normal visual fields) eyes studied. For each test eye, the optic nerve head was imaged three times (at baseline IOP, following an acute elevation of IOP to approximately 35 then 45 mm Hg using an ophthalmodynamomter) using optical coherence tomography (OCT)...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29334923/relationship-between-corneal-biomechanical-properties-and-structural-biomarkers-in-patients-with-normal-tension-glaucoma-a-retrospective-study
#5
Keunheung Park, Jonghoon Shin, Jiwoong Lee
BACKGROUND: We evaluated the relationships between corneal biomechanical properties and structural parameters in patients with newly diagnosed, untreated normal-tension glaucoma (NTG). METHODS: All subjects were evaluated using an Ocular Response Analyzer (ORA) measuring corneal hysteresis (CH) and the corneal resistance factor (CRF). Central corneal thickness (CCT), Goldmann applanation tonometric (GAT) data, axial length, and the spherical equivalent (SE), were also measured...
January 15, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29330413/nerve-wrap-after-end-to-end-and-tension-free-neurorrhaphy-attenuates-neuropathic-pain-a-prospective-study-based-on-cohorts-of-digit-replantation
#6
Xiaozhong Zhu, Haifeng Wei, Hongyi Zhu
The repair of injured peripheral nerve is still challenging for surgeons. The end-to-end and tension-free neurorrhaphy is the current gold standard for reconstruction after complete nerve transection without significant defect. The main objective of this study neurorrhaphy in digit replantation affects the sensory recovery and neuropathic pain in replanted digit. Total 101 patients who received replantation of single completely amputated digit were included for analysis in this study. In group I (n = 49), the digital nerves were repaired with end-to-end and tension-free neurorrhaphy and then wrapped into a tendon-derived collagen nerve conduit...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29276466/rehabilitative-principles-in-the-management-of-thoracolumbar-syndrome-a-case-report
#7
Mathew E DiMond
Objective: The purpose of this case report was to describe the chiropractic management of thoracolumbar syndrome using multimodal therapies. Clinical Features: A 33-year-old woman with 3 weeks of back pain presented to a chiropractic clinic. Nerve tension tests and local tenderness were present in a pattern described by Maigne, and she was diagnosed with thoracolumbar syndrome (Maigne syndrome) at her initial visit. Intervention and Outcomes: The Oswestry Disability Index for low back pain (62%), STarT low back screen tool for clinical outcomes (6 points total, with a 2-point subscale), numeric pain rating scale (6/10 constant, 10/10 with provocation), and test-retest exercise audits were outcome measures...
December 2017: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/29246580/measurement-and-associations-of-the-optic-nerve-subarachnoid-space-in-normal-tension-and-primary-open-angle-glaucoma
#8
Hanruo Liu, Diya Yang, Teng Ma, Wenyuan Shi, Zhu Qiang, Jun Kang, Ningli Wang
PURPOSE: To measure the area of the optic nerve subarachnoid space (ONSASA) in patients with normal tension (NTG), primary open angle glaucoma (POAG) and controls and examine its association with relevant ocular and systemic parameters. DESIGN: Cross-sectional study. METHODS: The study included 40 patients with NTG, 42 with POAG and 45 healthy controls. B-scan ultrasound was performed binocularly, using a 12.5 MHz linear array probe. The measurement of the optic nerve subarachnoid space (ONSAS) and calculation of the ONSASA were used ImageJ1...
December 12, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29244691/delayed-onset-sciatic-nerve-palsy-after-periacetabular-osteotomy-a-case-report
#9
Michael Leunig, Jonathan M Vigdorchik, Aidin Eslam Pour, Silvia Willi-Dähn, Reinhold Ganz
CASE: A large surgical correction was required for severe hip dysplasia, which was associated with a delayed-onset sciatic nerve injury in an adolescent patient. A cortical bone spur on the outside of the acetabular fragment produced an indirect injury that became symptomatic during mobilization of the patient. CONCLUSION: The risk of direct injury to the sciatic nerve during a periacetabular osteotomy is quite low when the osteotomy is executed in extension with abduction of the hip and flexion of the knee to reduce tension on the sciatic nerve...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29239339/evaluation-of-sensory-function-and-recovery-after-replantation-of-fingertips-at-zone-i-in-children
#10
Zhao-Wei Zhu, Xiao-Yan Zou, Yong-Jun Huang, Jiang-Hui Liu, Xi-Jun Huang, Bo He, Zeng-Tao Wang
Sensory function is the most significant criterion when evaluating the prognosis of replanted fingers. Current clinical research has focused on surgical techniques and indications for finger replantation; however, few studies have focused on recovery of finger sensory function after replantation. This study retrospectively assessed data of eight patients who had undergone nine Zone I replantations of the fingertips in the First Affiliated Hospital of Sun Yat-sen University of China from July 2014 to January 2016...
November 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29223409/obtaining-adequate-tension-for-extensor-hallucis-longus-tendon-rupture-repair-using-wide-awake-surgery-a-case-report
#11
Takenori Matsuda, Akira Taniguchi, Koji Hayashi, Yasuaki Nakanishi, Yasuhito Tanaka
Wide-awake surgery has potential advantages for treating extensor or flexor tendon injury. We present a case of chronic extensor hallucis longus injury treated with turn-down reconstruction using wide-awake surgery with a selective nerve block. To the best of our knowledge, this is the first such case reported. The patient had dropped a knife proximal to the right hallux metatarsophalangeal joint. Because direct suturing was thought to be difficult, turn-down reconstruction was performed under a selective nerve block...
December 7, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29211994/membrane-tension-inhibits-rapid-and-slow-endocytosis-in-secretory-cells
#12
Xin-Sheng Wu, Sharon Elias, Huisheng Liu, Johanna Heureaux, Peter J Wen, Allen P Liu, Michael M Kozlov, Ling-Gang Wu
Endocytosis generates spherical or ellipsoid-like vesicles from the plasma membrane, which recycles vesicles that fuse with the plasma member during exocytosis in neurons and endocrine secretory cells. Although tension in the plasma membrane is generally considered to be an important factor in regulating endocytosis, whether membrane tension inhibits or facilitates endocytosis remains debated in the endocytosis field, and has been rarely studied for vesicular endocytosis in secretory cells. Here we report that increasing membrane tension by adjusting osmolarity inhibited both the rapid (a few seconds) and slow (tens of seconds) endocytosis in calyx-type nerve terminals containing conventional active zones and in neuroendocrine chromaffin cells...
December 5, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/29209435/diseases-potentially-related-to-flammer-syndrome
#13
REVIEW
Katarzyna Konieczka, Carl Erb
Flammer syndrome (FS) is a prevalent and mostly benign condition. Subjects with FS seem to have a good life expectancy. Nevertheless, FS subjects are at increased risk for certain diseases, mainly when they are challenged by psychological stress or other stimuli such as coldness. FS is related to ocular diseases, such as normal-tension glaucoma, retinitis pigmentosa, central serous chorioretinopathy, optic nerve compartment syndrome, Leber's hereditary optic neuropathy, arterial or venous occlusions in the retina, and choroid and optic nerve head, despite the absence of classical vascular risk factors...
December 2017: EPMA Journal
https://www.readbyqxmd.com/read/29202765/a-novel-technique-for-modified-all-inside-repair-of-bucket-handle-meniscus-tears-using-standard-arthroscopic-portals
#14
Jing Hui Yik, Bryan Thean Howe Koh, Wilson Wang
BACKGROUND: Bucket-handle meniscus tears (BHMT) are often displaced and unstable. The inside-out technique of repairing such tears is currently the gold standard. All-inside repair with meniscal fixators is getting increasingly popular. Shortcomings of the inside-out technique include neurovascular complications, especially saphenous nerve palsy, and retention of a non-resorbable suture which can result in discomfort to patient, granuloma formation, and a foci of infection. Hence, the purpose of this project was to innovate a novel all-inside technique to precisely reduce and fix BHMT while avoiding neurovascular complications and retention of a non-resorbable suture...
December 4, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29198509/testosterone-deficiency-causes-endothelial-dysfunction-via-elevation-of-asymmetric-dimethylarginine-and-oxidative-stress-in-castrated-rats
#15
Tomoya Kataoka, Yuji Hotta, Yasuhiro Maeda, Kazunori Kimura
BACKGROUND: Testosterone is believed to mediate the penile erectile response by producing adequate nitric oxide; therefore, testosterone deficiency results in erectile dysfunction through decreased nitric oxide bioavailability. However, the mechanisms underlying endothelial dysfunction in testosterone deficiency remain unclear. AIM: To investigate the mechanism of endothelial dysfunction in a rat model of testosterone deficiency. METHODS: Rats were distributed into 3 groups: castrated (Cast), castrated and supplemented with testosterone (Cast + T), and sham (Sham)...
December 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29179284/-analysis-of-correlation-between-spinal-nerve-high-tension-and-disc-degeneration-in-100-cases
#16
Q J Kong, X M Xu, J C Sun, Y Wang, G D Shi, Y F Guo, H S Yang, Y Yang, J G Shi
Objective: To explore the correlation between the spinal nerve high tension and lumbar disc degeneration, the pathogenesis of hanging intervertebral disc degeneration. Methods: From June 2016 to June , a retrospective analysis 2017 of 100 cases of lumbar spinal stenosis were included in Department of Spine Surgery, Changzheng Hospital, the Second Military Medical University. They were divided into experimental group (50 cases, nerve high tension group) and control group (50 cases, nervous tension in the normal group) according to preoperative lumbar MRI of cauda equina syndrome and settlement of intraoperative detecting nerve tension...
November 21, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29178525/flow-dynamics-of-cerebrospinal-fluid-between-the-intracranial-cavity-and-the-subarachnoid-space-of-the-optic-nerve-measured-with-a-diffusion-magnetic-resonance-imaging-sequence-in-patients-with-normal-tension-glaucoma
#17
Dirk Boy, Margherita Montali, Neil R Miller, Achmed Pircher, Philipp Gruber, Hans-Peter E Killer, Luca Remonda, Jatta Berberat
IMPORTANCE: This study offers a new approach for the quantification of CSF-dynamics. BACKGROUND: Non-invasive method to quantify the CSF-dynamics in the subarachnoid-space of the optic nerve is highly desirable. The aim of the study was to measure slow-flow CSF-velocities in healthy controls and normal-tension glaucoma patients between the intracranial cavity and the subarachnoid-space of the optic nerve. DESIGN: Prospective observational study...
November 25, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/29171726/factors-associated-with-deep-circulation-in-the-peripapillary-chorioretinal-atrophy-zone-in-normal-tension-glaucoma-with-myopic-disc
#18
Naoki Kiyota, Hiroshi Kunikata, Seri Takahashi, Yukihiro Shiga, Kazuko Omodaka, Toru Nakazawa
PURPOSE: To investigate factors associated with choroidal microcirculation in the peripapillary chorioretinal atrophy (PPA) zone in eyes with normal-tension glaucoma (NTG) and myopic disc. METHODS: In 100 eyes of 100 NTG patients with myopic disc and 20 eyes of 20 age-matched myopic controls, 4.5 × 4.5 mm scans were made of the optic nerve head with optical coherence tomography angiography (OCTA). Peripapillary chorioretinal atrophy (PPA) area and PPA superficial choroidal image intensity (PPA-CI) were calculated with image j software...
November 24, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29160926/electro-mechanical-response-of-a-3d-nerve-bundle-model-to-mechanical-loads-leading-to-axonal-injury
#19
I Cinelli, M Destrade, M Duffy, P McHugh
OBJECTIVE: Traumatic brain injuries and damage are major causes of death and disability. We propose a 3D fully coupled electro-mechanical model of a nerve bundle to investigate the electrophysiological impairments due to trauma at the cellular level. METHODS: The coupling is based on a thermal analogy of the neural electrical activity by using the finite element software Abaqus CAE 6.13-3. The model includes a real-time coupling, modulated threshold for spiking activation and independent alteration of the electrical properties for each 3-layer fibre within a nerve bundle as a function of strain...
November 21, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/29148901/glaucoma-in-patients-with-shunt-treated-normal-pressure-hydrocephalus
#20
Pasquale Gallina, Alfonso Savastano, Eleonora Becattini, Simone Orlandini, Antonio Scollato, Stanislao Rizzo, Giulia Carreras, Nicola Di Lorenzo, Berardino Porfirio
OBJECTIVE Changes in the pressure gradient between intraocular and intracranial compartments at the lamina cribrosa level are a possible explanation of normal tension glaucoma (NTG). Shunt-treated normal pressure hydrocephalus (NPH) is a model for testing whether the increase (time from disease onset to CSF shunt placement, i.e., "protection period") and decrease (time from shunt placement to observation, i.e., "exposure period") in intracranial pressure (ICP) are glaucoma protective or risk factors, respectively...
November 17, 2017: Journal of Neurosurgery
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