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https://www.readbyqxmd.com/read/28434966/diagnostic-biopsy-of-a-motor-branch-of-the-superficial-peroneal-nerve-to-the-peroneus-longus-a-convenient-alternative-for-motor-nerve-biopsy
#1
Randy S D'Amico, Christopher J Winfree
INTRODUCTION: Motor nerve biopsy is performed to supplement clinical, serological, and imaging data in the work-up of neuropathies of unknown origin, especially when motor neuron disease is suspected. METHODS: We describe a surgical technique for biopsy of a motor branch of the superficial peroneal nerve innervating the peroneus longus muscle. RESULTS: Three patients presented with weakness concerning for motor neuropathy and underwent biopsy of a motor branch of the superficial peroneal nerve innervating the peroneus longus muscle...
April 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28434472/tai-chi-with-mental-imagery-theory-improves-soleus-h-reflex-and-nerve-conduction-velocity-in-patients-with-type-2-diabetes
#2
Abdulrahman Alsubiheen, Jerrold Petrofsky, Noha Daher, Everett Lohman, Edward Balbas, Haneul Lee
OBJECTIVES: Diabetes is a disease that leads to damage to the peripheral nerves which may eventually cause balance instability. The purpose of this study was to determine the effect of 8 weeks of Tai Chi (TC) training combined with mental imagery (MI) on soleus H-reflex and nerve conduction velocity (NCV) of the sural and superficial peroneal nerves in people with diabetes. DESIGNS: Quasi-experimental, one group pretest-posttest design. SETTING: Human Research Laboratory...
April 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28429469/high-body-mass-and-kidney-dysfunction-relate-to-worse-nerve-function-even-in-adults-without-neuropathy
#3
Rens Hanewinckel, M Arfan Ikram, Oscar H Franco, Albert Hofman, Judith Drenthen, Pieter A van Doorn
Polyneuropathy is a prevalent and disabling disorder. Despite extensive evaluation, the cause often remains unknown. Factors that predispose for the development of polyneuropathy need to be identified. We investigated the effect of anthropometric and metabolic factors on peripheral nerve function in 908 participants of the population-based Rotterdam Study without any symptoms or signs of polyneuropathy. Participants underwent nerve conduction studies of the sural and peroneal nerve. Data on age, height, weight, waist circumference, diabetes, lipid levels, hypertension and kidney function were collected...
April 20, 2017: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/28428756/neck-circumference-is-associated-with-muscle-sympathetic-nerve-activity-in-overweight-and-obese-men-but-not-women
#4
Nora E Straznicky, Mariee T Grima, Carolina I Sari, Nina Eikelis, Paul J Nestel, John B Dixon, Gavin W Lambert, Markus P Schlaich, Sarah E Phillips, Elisabeth A Lambert
Background: Neck circumference (NC) is a predictor of cardiometabolic risk. The objective of this study was to explore the relationship of NC to muscle sympathetic nerve activity (MSNA) within an overweight and obese population. Methods: The study design was a retrospective cross-sectional analysis. Un-medicated persons (72 men, 53 postmenopausal women) aged 56 ± 1 years (mean ± SEM) with body mass index (BMI) 32.8 ± 0.4 kg/m(2), were studied. NC was measured together with traditional anthropometric measures, supine blood pressure, fasting blood lipids, insulin, and glucose...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28427700/effects-of-functional-electrical-stimulation-on-gait-in-people-with-multiple-sclerosis-a-systematic-review
#5
REVIEW
Shmuel Springer, Sam Khamis
BACKGROUND: Functional electrical stimulation (FES) is commonly used to ameliorate gait deficits in patients with multiple sclerosis (PwMS). This review critically evaluates the literature describing the orthotic and therapeutic effects of FES on gait in PwMS. METHODS: The PubMed, CINAHL, and ProQuest databases were searched. Included were studies that evaluated therapeutic and/or orthotic effects of FES in PwMS with at least one outcome measure related to gait...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28420761/in-situ-measurements-of-tensile-forces-in-the-tibialis-anterior-tendon-of-the-rat-in-concentric-isometric-and-resisted-co-contractions
#6
Martin Schmoll, Ewald Unger, Hazel Sutherland, Michael Haller, Manfred Bijak, Hermann Lanmüller, Jonathan C Jarvis
Tensile-force transmitted by the tibialis anterior (TA) tendon of 11 anesthetized adult male Wistar rats (body-mass: 360.6 ± 66.3 g) was measured in-situ within the intact biomechanical system of the hind-limb using a novel miniature in-line load-cell. The aim was to demonstrate the dependence of the loading-profile experienced by the muscle, on stimulation-frequency and the resistance to shortening in a group of control-animals. Data from these acute-experiments shows the type of loading achievable by means of implantable electrical stimulators activating agonists or agonist/antagonist groups of muscles during programmed resistance-training in freely moving healthy subjects...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28420319/bcor-ccnb3-undifferentiated-sarcoma-does-immunohistochemistry-help-in-the-identification
#7
Kathrin Ludwig, Rita Alaggio, Angelica Zin, Marica Peron, Vincenza Guzzardo, Stefania Benini, Alberto Righi, Marco Gambarotti
Recent methodology has enabled the identification of some new genetic subgroups within the melting pot of lesions presently classified by the 2013 WHO classification as "undifferentiated/unclassified sarcomas". One of these subgroups is characterized by a paracentric inversion of the X chromosome with consequent formation of a BCOR-CCNB3 fusion. Clinical and pathological features of these tumors overlap with the Ewing sarcoma family as well as other soft tissue sarcomas, thus making them difficult to diagnose...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28417097/zika-related-microcephaly-in-experimental-models
#8
COMMENT
Jean Pierre Schatzmann Peron, Patrícia Cristina Baleeiro Beltrão Braga
No abstract text is available yet for this article.
2017: Temperature: Multidisciplinary Biomedical Journal
https://www.readbyqxmd.com/read/28416601/csreport-a-new-computational-tool-designed-for-automatic-analysis-of-class-switch-recombination-junctions-sequenced-by-high-throughput-sequencing
#9
François Boyer, Hend Boutouil, Iman Dalloul, Zeinab Dalloul, Jeanne Cook-Moreau, Jean-Claude Aldigier, Claire Carrion, Bastien Herve, Erwan Scaon, Michel Cogné, Sophie Péron
B cells ensure humoral immune responses due to the production of Ag-specific memory B cells and Ab-secreting plasma cells. In secondary lymphoid organs, Ag-driven B cell activation induces terminal maturation and Ig isotype class switch (class switch recombination [CSR]). CSR creates a virtually unique IgH locus in every B cell clone by intrachromosomal recombination between two switch (S) regions upstream of each C region gene. Amount and structural features of CSR junctions reveal valuable information about the CSR mechanism, and analysis of CSR junctions is useful in basic and clinical research studies of B cell functions...
April 17, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28411701/lack-of-symmetry-in-the-major-lower-limb-veins
#10
Anirudh Chandrashekar, Antonios Gasparis, Nicos Labropoulos
BACKGROUND: Contemporary texts frequently present the venous system of the lower limb as a prime example of bilateral symmetry. However, overt bilateral asymmetry may be noted. This study was designed to examine and to quantify the level of symmetry in the lower extremity veins. METHODS: This prospective cohort study evaluated major anatomic differences between right and left lower extremity veins in adult patients. Two hundred patients presenting with signs and symptoms of chronic venous disease (CVD; class 2-6) and venous reflux on duplex ultrasound were examined...
May 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28405788/electroneuromyographic-findings-in-pseudoexfoliation-syndrome
#11
Deniz Turgut Coban, Tuncay Cakir, Muhammet Kazim Erol, Gulsum Dogan, Berna Dogan, Meral Bilgilisoy Filiz, Naciye Fusun Toraman
PURPOSE: To examine peripheral electroneuromyographic findings in patients with ocular pseudoexfoliation syndrome (PEX) and to compare them controls without PEX. METHODS: A case-control study design was used to examine 31 patients with PEX and compare the findings with those of 31 age- and sex-matched healthy controls. All patients underwent complete ophthalmologic examination that included peripheral electroneuromyography examination. Motor and sensorial nerve conduction of the median, ulnar, tibial, peroneal, and sural nerve and the sympathetic skin response were measured...
April 12, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28399668/kinesiology-tape-mediates-soccer-simulated-and-local-peroneal-fatigue-in-soccer-players
#12
Claire Farquharson, Matt Greig
To investigate the efficacy of kinesiology taping in mediating the influence of fatigue on ankle sprain risk, 12 male soccer players completed single-leg dynamic balance trials pre- and post-exercise (soccer-specific protocol, isokinetic ankle inversion/eversion protocol) in each of three counter-balanced taping conditions (no tape, zinc oxide tape ZO, kinesiology tape KT). Balance was quantified as the overall stability index (OSI) and directional stability indices of platform deflection. Soccer-specific fatigue only increased OSI in the no tape condition (p = 0...
April 12, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28391722/eversion-strength-and-surface-electromyography-measures-with-and-without-chronic-ankle-instability-measured-in-2-positions
#13
Lindsy Donnelly, Luke Donovan, Joseph M Hart, Jay Hertel
BACKGROUND: Individuals with chronic ankle instability (CAI) have demonstrated strength deficits compared to healthy controls; however, the influence of ankle position on force measures and surface electromyography (sEMG) activation of the peroneus longus and brevis has not been investigated. The purpose of this study was to compare sEMG amplitudes of the peroneus longus and brevis and eversion force measures in 2 testing positions, neutral and plantarflexion, in groups with and without CAI...
April 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28385938/the-recognition-and-incidence-of-peroneal-tendon-dislocation-associated-with-a-fracture-of-the-talus
#14
A Sadamasu, S Yamaguchi, R Nakagawa, S Kimura, J Endo, R Akagi, T Sasho
AIMS: The purposes of this study were to clarify first, the incidence of peroneal tendon dislocation in patients with a fracture of the talus and second the factors associated with peroneal tendon dislocation. PATIENTS AND METHODS: We retrospectively examined 30 patients (30 ankles) with a mean age of 37.5 years, who had undergone internal fixation for a fracture of the talus. Independent examiners assessed for peroneal tendon dislocation using the pre-operative CT images...
April 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28383320/the-effects-of-patterned-electrical-stimulation-combined-with-voluntary-contraction-on-spinal-reciprocal-inhibition-in-healthy-individuals
#15
Yoko Takahashi, Toshiyuki Fujiwara, Tomofumi Yamaguchi, Michiyuki Kawakami, Katsuhiro Mizuno, Meigen Liu
The aim of this study was to examine the effects of voluntary contraction (VC) on the modulation of reciprocal inhibition induced by patterned electrical stimulation (PES) in healthy individuals. Twelve healthy volunteers participated in this study. PES was applied to the common peroneal nerve with a train of 10 pulses at 100 Hz every 2 s for 20 min. VC comprised repetitive ankle dorsiflexion at a frequency of 0.5 Hz for 20 min. All participants performed the following three tasks: (i) VC alone, (ii) PES alone, and (iii) PES combined with VC (PES+VC)...
April 5, 2017: Neuroreport
https://www.readbyqxmd.com/read/28382374/proximal-peroneus-longus-tear-rare-case-in-a-teenage-athlete-and-review-of-the-literature
#16
Matthew Winfeld, Nancy Chauvin
We present the case of a 15-year-old teenager who sustained an ankle inversion injury while playing American football, which yielded only minimal pain, but also foot numbness and a lateral leg bulge. Magnetic resonance imaging evaluation revealed a proximal peroneal tear. These rare injuries are often associated with compartment syndrome, a surgical emergency, which was ultimately excluded clinically in this patient. Relevant anatomy, mechanism of injury, and clinical manifestations are discussed.
April 5, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28380215/recombinant-60-kda-heat-shock-protein-from-paracoccidioides-brasiliensis-is-it-a-good-antigen-for-serological-diagnosis-of-paracoccidioidomycosis
#17
G Peron, F F Fernandes, T N Landgraf, R Martinez, A Panunto-Castelo
Paracoccidioides brasiliensis and P. lutzii are fungi that cause paracoccidioidomycosis (PCM), the most prevalent systemic mycosis in South America. For serological diagnosis, although 43-kDa glycoprotein (gp43) is regarded as highly specific for PCM, the occurrence of false negative reactions in sera from patients infected with P. lutzii suggests that preparation with only one antigen is not recommended. Heat shock proteins are feasible alternatives as a second antigen because they are often highly immunogenic...
April 3, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28378458/sensitivity-to-ischaemia-of-single-sympathetic-nerve-fibres-innervating-the-dorsum-of-the-human-foot
#18
W J Z'Graggen, R Solà, N E Graf, J Serra, H Bostock
The aim of this study was to determine whether velocity recovery cycles (VRCs) could detect the effects of ischaemia on sympathetic nerve fibres. VRCs of human sympathetic nerve fibres of the superficial peroneal nerve innervating the dorsum of the foot were recorded by microneurography in 7 healthy volunteers. Sympathetic nerve fibres were identified by studying their response to manoeuvres increasing sympathetic outflow and by measuring activity-dependent slowing at 2 Hz stimulation. VRCs were assessed at rest, during 30 min of induced limb ischaemia and during 20 min of recovery after ischaemia...
April 4, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28376439/subclinical-peroneal-neuropathy-a-common-unrecognized-and-preventable-finding-associated-with-a-recent-history-of-falling-in-hospitalized-patients
#19
Louis H Poppler, Andrew P Groves, Gina Sacks, Anchal Bansal, Kristen M Davidge, Jenifer A Sledge, Heidi Tymkew, Yan Yan, Jessica M Hasak, Patricia Potter, Susan E Mackinnon
PURPOSE: Identification of modifiable risk factors for falling is paramount in reducing the incidence and morbidity of falling. Peroneal neuropathy with an overt foot drop is a known risk factor for falling, but research into subclinical peroneal neuropathy (SCPN) resulting from compression at the fibular head is lacking. The purpose of our study was to determine the prevalence of SCPN in hospitalized patients and establish whether it is associated with a recent history of falling. METHODS: We conducted a cross-sectional study of 100 medical inpatients at a large academic tertiary care hospital in St Louis, Missouri...
November 2016: Annals of Family Medicine
https://www.readbyqxmd.com/read/28375940/electrophysiological-studies-to-detect-peripheral-neuropathy-in-children-treated-with-vincristine
#20
Marko Kavcic, Blaz Koritnik, Matevz Krzan, Orjana Velikonja, Tomaz Prelog, Milica Stefanovic, Maruša Debeljak, Janez Jazbec
Patients treated with vincristine predictably develop peripheral neuropathy. The aim of our study was to investigate the pattern of vincristine-induced neuropathy in children by nerve conduction studies and somatosensory-evoked potentials (SSEPs). We included data from 39 children who received vincristine for various pediatric malignancies, and we performed initial and follow-up (after a minimum of 4 doses of vincristine 1.5 mg/m) conduction studies in 27 patients and SSEPs studies in 34 patients. On follow-up the most prevalent symptoms were paresthesias (44%) and constipation (22%), and the most common neurological sign was impaired myotatic reflexes (89%)...
April 3, 2017: Journal of Pediatric Hematology/oncology
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