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https://www.readbyqxmd.com/read/28931264/assessment-of-the-accuracy-and-errors-of-head-up-display-by-an-optical-neuronavigation-system-in-brain-tumor-surgery
#1
Kenichiro Asano, Kosuke Katayama, Kiyohide Kakuta, Kanae Oyama, Hiroki Ohkuma
BACKGROUND: A head-up display (HUD) in which navigational information is projected into the microscope view may enable surgeons to perform operations more efficiently. Projecting depictions of both tumor and important intracranial structures on the HUD may facilitate safe surgery. OBJECTIVE: To investigate accuracy and errors regarding important intracranial structures, errors due to brain shifts, and preservation rates for important intracranial structures. METHODS: A total of 184 surgeries in 172 patients were performed using this operation system...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28931253/relationship-of-the-optic-nerve-to-the-medial-rectus-muscle-during-endonasal-dissection-of-the-medial-intraconal-orbital-apex
#2
Dmitriy Petrov, John Craig, Jayesh Thawani, Kalil Abdullah, James N Palmer, Nithin D Adappa, John Y K Lee
BACKGROUND: Few studies have established surgical landmarks for endoscopic endonasal dissection of the intraconal orbital apex (OA). OBJECTIVE: We describe the optic nerve (ON) anatomy and its relationships, as seen during a fully endoscopic, endonasal approach to the medial intraconal OA. METHODS: The study question was approached through a cadaver dissection and a radiographic study. Four formalin-fixed, latex-injected cadaver heads were dissected using transnasal endoscopic techniques...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28931182/-primary-open-angle-glaucoma
#3
Esther M Hoffmann, Verena Prokosch-Willing
Glaucoma leads to blindness but there are diagnostic and therapeutic developments that aid ophthalmologists in the improved mangement of the disease compared to the past. Known risk factors such as age, myopia, dark pigmented skin, genetics, and elevated intraocular pressure play an important role for the individual patient's prognosis, and many yet unknown or not sufficiently investigated risk factors come along. The structured examination of the optic nerve head is crucial for the clincial diagnosis by the ophthalmologist...
September 20, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28931106/a-case-of-prethoracic-pain-radiating-upward-and-initiating-nervus-intermedius-neuralgia-and-migraine-headache-could-epicrania-fugax-pain-start-in-the-upper-body
#4
Yu Wang, Pei-Lin Kan, Yuan-Feng Tao, Xiao-Yan Li, Xiao-Juan Yang, Gui-Ling Liang
Epicrania fugax (EF) was recently classified as a primary headache in the Appendix of the International Classification of Headache Disorders, third edition (ICHD-III). It is characterized by a paroxysmal pain rapidly radiating forward or backward along a linear or zigzag trajectory on the surface of the head. This article reports a 76-year-old woman who newly developed a paroxysmal EF-type pain distributed not only in the territories of the trigeminal and occipital nerves, but also in the territories of the cervical and thoracic nerves...
September 20, 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28930949/the-blocking-flap-for-ulnar-nerve-instability-after-in-situ-release-technique-and-a-grading-system-of-ulnar-nerve-instability-to-guide-treatment
#5
Peter Tang
In situ ulnar nerve release has been gaining popularity as a simple, effective, and low-morbidity procedure for the treatment of cubital tunnel syndrome. One concern with the technique is how to manage the unstable ulnar nerve after release. It is unclear how much nerve subluxation will lead to problems and surprisingly there is no grading system to assess ulnar nerve instability. I propose such a grading system, as well as a new technique to stabilize the unstable ulnar nerve. The blocking flap technique consists of raising a rectangular flap off the flexor/pronator fascia and attaching it to the posterior subcutaneous flap so that it blocks the nerve from subluxation/dislocation...
September 19, 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28930923/neuroimaging-of-vagal-nerve-stimulation-are-we-missing-a-trick
#6
James K Ruffle, Qasim Aziz, Adam D Farmer
No abstract text is available yet for this article.
October 2017: Pain
https://www.readbyqxmd.com/read/28930862/an-innovative-ergometer-to-measure-neuromuscular-fatigue-immediately-after-cycling
#7
Douglas Doyle-Baker, John Temesi, Mary E Medysky, Robert J Holash, Guillaume Y Millet
PURPOSE: When assessing neuromuscular fatigue (NMF) from dynamic exercise using large muscle mass (e.g. cycling), most studies have delayed measurement for 1-3 min after task failure. This study aimed to determine the reliability of an innovative cycling ergometer permitting the start of fatigue measurement within 1 s after cycling. METHODS: Twelve subjects participated in two experimental sessions. Knee-extensor NMF was assessed by electrical nerve and transcranial magnetic stimulation with both a traditional chair set-up (PRE and POST-Chair, 2 min post-exercise) and the new cycling ergometer (PRE, every 3 min during incremental exercise and POST-Bike, at task failure)...
September 19, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28930847/guillain-barr%C3%A3-like-axonal-polyneuropathy-associated-with-toscana-virus-infection-a-case-report
#8
Eugenia Rota, Nicola Morelli, Paolo Immovilli, Paola De Mitri, Donata Guidetti
RATIONALE: Numerous cases of post-infectious Guillain-Barré syndrome (GBS) have been reported in the literature. Toscana virus (TOSV) is an arthropod-borne emerging pathogen in the Mediterranean area. PATIENT CONCERNS: A 40-year-old male patient was admitted to hospital for acute facial weakness, associated to numbness paraesthesias at lower and upper limbs. The neurological examination revealed facial diplegia and reduced tendon reflexes. The nerve conduction studies documented an acute motor and sensory axonal neuropathy (AMSAN); the lumbar puncture detected albuminocytologic dissociation...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28930832/early-central-and-peripheral-corneal-microstructural-changes-in-type-2-diabetes-mellitus-patients-identified-using-in-vivo-confocal-microscopy-a-case-control-study
#9
Jing-Hao Qu, Lei Tian, Xiao-Yu Zhang, Xu-Guang Sun
The aim of this study was to find early central and peripheral corneal microstructural changes in healthy subjects and type 2 diabetes mellitus (T2DM) patients with/without cornea fluorescein dot staining.This is a prospective case-control study of T2DM patients with/without cornea fluorescein dot staining. Age, sex, duration of diabetes, and serum glycosylated hemoglobin A1c (HbA1c) levels were recorded. Keratograph 5 M (K5 M) and in vivo confocal microscopy were performed on all subjects. The cornea was divided into 5 zones: central, superior, temporal, nasal, and inferior...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28930653/fishing-for-answers-in-human-mycobacterial-infections
#10
Miriam Bolz, Joel D Ernst
Two recent studies (Cambier et al., 2017; Madigan et al., 2017) reveal in vivo functions for specific phenolic glycolipids (PGLs) in the mycobacteria that cause tuberculosis or leprosy. M. tuberculosis (and M. marinum) PGL promotes bacterial spread to growth-permissive macrophages, while M. leprae PGL-1 induces macrophages to cause nerve demyelination characteristic of human leprosy.
September 19, 2017: Immunity
https://www.readbyqxmd.com/read/28930169/comparison-of-physiological-and-psychological-relaxation-using-measurements-of-heart-rate-variability-prefrontal-cortex-activity-and-subjective-indexes-after-completing-tasks-with-and-without-foliage-plants
#11
Sin-Ae Park, Chorong Song, Yun-Ah Oh, Yoshifumi Miyazaki, Ki-Cheol Son
The objective of this study was to compare physiological and psychological relaxation by assessing heart rate variability (HRV), prefrontal cortex activity, and subjective indexes while subjects performed a task with and without foliage plants. In a crossover experimental design, 24 university students performed a task transferring pots with and without a foliage plant for 3 min. HRV and oxyhemoglobin (oxy-Hb) concentration in the prefrontal cortex were continuously measured. Immediately thereafter, subjective evaluation of emotions was performed using a modified semantic differential (SD) method and a profile of mood state questionnaire (POMS)...
September 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28930148/elongation-of-axon-extension-for-human-ipsc-derived-retinal-ganglion-cells-by-a-nano-imprinted-scaffold
#12
Tien-Chun Yang, Jen-Hua Chuang, Waradee Buddhakosai, Wen-Ju Wu, Chen-Ju Lee, Wun-Syuan Chen, Yi-Ping Yang, Ming-Chia Li, Chi-Hsien Peng, Shih-Jen Chen
Optic neuropathies, such as glaucoma and Leber's hereditary optic neuropathy (LHON) lead to retinal ganglion cell (RGC) loss and therefore motivate the application of transplantation technique into disease therapy. However, it is a challenge to direct the transplanted optic nerve axons to the correct location of the retina. The use of appropriate scaffold can promote the proper axon growth. Recently, biocompatible materials have been integrated into the medical field, such as tissue engineering and reconstruction of damaged tissues or organs...
September 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28929789/ultrasound-measurement-of-the-cross-sectional-area-of-the-median-nerve-the-effect-of-teaching-on-measurement-accuracy
#13
Jared A Crasto, Michael E Scott, John R Fowler
BACKGROUND: The purpose of this study was to determine the effect of concise instruction and guidance on the accuracy of measuring the cross-sectional area of the median nerve at the carpal tunnel inlet. METHODS: Seven orthopedic residents and 5 hand fellows obtained serial measurements of the median nerve at the carpal tunnel inlet using a 15-6 MHz ultrasound (US) probe. After a 5-minute teaching session, all participants repeated measurements. A single cadaveric specimen was used...
September 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28929697/-effects-of-berberine-on-serum-inflammatory-factors-and-carotid-atherosclerotic-plaques-in-patients-with-acute-cerebral-ischemic-stroke
#14
Ying Li, Pei Wang, Mei-Jing Chai, Fan Yang, Hong-Shan Li, Jing Zhao, Huan Wang, Dan-Dan Lu
This study aims to analyze the effect of berberine on serum inflammatory factors and carotid atherosclerotic plaques in ppatients with acute cerebral ischemic stroke(AIS). In the study, 120 patients with AIS were randomly divided into berberine group(n=60) and general group (n=60). The 60 cases in the general group were provided with general therapy according to the latest guidelines of diagnosis and treatment of AIS. The berberine group received berberine 300 mg(tid) in addition to the therapy of the general group...
November 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28929577/salt-intake-and-blood-pressure-response-to-percutaneous-renal-denervation-in-resistant-hypertension
#15
Esther de Beus, Rosa L de Jager, Martine M Beeftink, Margreet F Sanders, Wilko Spiering, Evert-Jan Vonken, Michiel Voskuil, Michiel L Bots, Peter J Blankestijn
The effect of lowering sympathetic nerve activity by renal denervation (RDN) is highly variable. With the exception of office systolic blood pressure (BP), predictors of the BP-lowering effect have not been identified. Because dietary sodium intake influences sympathetic drive, and, conversely, sympathetic activity influences salt sensitivity in hypertension, we investigated 24-hour urinary sodium excretion in participants of the SYMPATHY trial. SYMPATHY investigated RDN in patients with resistant hypertension...
September 19, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28929531/oral-administration-of-milk-derived-phospholipids-inhibits-penetration-of-cutaneous-nerve-fibres-into-epidermis-in-a-mouse-model-of-acute-dry-skin
#16
A Sakaguchi, Y Kamata, N Takahashi, H Matsuda, R Kosaka, Y Umehara, H Ogawa, M Tominaga, K Takamori
The density of intraepidermal nerve fibres has been shown to be higher in itchy dry skin than in healthy skin, suggesting that epidermal hyperinnervation is at least partly involved in peripheral itch sensitization. We investigated whether oral administration of milk-derived phospholipids (MPLs) would inhibit epidermal hyperinnervation in a mouse model of dry skin. We found that the number of intraepidermal nerve fibres was significantly lower in the MPL group than in the control group. Expression of nerve growth factor (NGF) levels in the epidermis was significantly decreased by oral administration of MPLs, whereas expression of semaphorin (Sema)3A, a nerve repulsion factor, was increased in the MPL group...
September 20, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28929513/association-between-hba1c-and-peripheral-neuropathy-in-a-10-year-follow-up-study-of-people-with-normal-glucose-tolerance-impaired-glucose-tolerance-and-type-2-diabetes
#17
M Peterson, R Pingel, N Lagali, L B Dahlin, O Rolandsson
AIMS: To explore the association between HbA1c and sural nerve function in a group of people with normal glucose tolerance, impaired glucose tolerance or Type 2 diabetes. METHODS: We conducted a 10-year follow-up study in 87 out of an original 119 participants. At study commencement (2004), 64 men and 55 women (mean age 61.1 years) with normal glucose tolerance (n=39), impaired glucose tolerance (n=29), or Type 2 diabetes (n=51) were enrolled. At the 2014 follow-up (men, n=46, women, n=41; mean age 71...
September 20, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28929435/neuroprotective-effects-of-galantamine-on-nerve-agent-induced-neuroglial-and-biochemical-changes
#18
RamaRao Golime, Meehir Palit, J Acharya, D K Dubey
Neuroprotection from nerve agent such as soman-induced neural damage is a major challenge for existing drugs. Nerve agent exposure can cause many neural effects in survivors arising mainly due to acetylcholinesterase (AChE) inhibition or death within minutes. Unraveling the mechanisms underlying the nerve agent-induced multiple neurological effects is useful to develop better and safe drugs. The present study aimed to understand the molecular response during soman exposure and to evaluate the neuroprotective efficacy of galantamine on nerve agent-induced neurotoxic changes...
September 19, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28929290/management-of-blood-pressure-in-patients-with-glaucoma
#19
REVIEW
Russell M Levine, Alina Yang, Venkatesh Brahma, James F Martone
PURPOSE OF REVIEW: Ocular perfusion pressure (OPP) is defined as the difference between BP and intraocular pressure (IOP). With low BP comes low OPP and resultant ischemic damage to the optic nerve, leading to glaucoma progression. The purpose of this article is to review the literature on BP as it relates to glaucoma and to create a forum of discussion between ophthalmologists and internal medicine specialists. RECENT FINDINGS: Both high and low BP has been linked glaucoma...
September 19, 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28929274/minimally-invasive-posterior-cervical-foraminotomy-for-treatment-of-radiculopathy-an-effective-time-tested-and-cost-efficient-motion-preservation-technique
#20
REVIEW
L Papavero, R Kothe
OBJECTIVE: To relieve foraminal root impingement due to lateral soft disc fragments, bony spurs, or other rarer causes. INDICATIONS: Soft disc fragment whose bulk is >2/3 lateral to the lateral border of the thecal sac. Intraforaminal dorsal bony narrowing of the root canal. Intraforaminal synovial cyst, extra/intradural tumor. CONTRAINDICATIONS: Paramedian and median soft/hard disc protrusions. Kyphosis of the index level. SURGICAL TECHNIQUE: Patient prone in reverse Trendelenburg position with the head fixed in a Mayfield clamp...
September 19, 2017: Operative Orthopädie und Traumatologie
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