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Tibial nerve

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https://www.readbyqxmd.com/read/27927655/role-of-cannabinoid-receptor-type-1-in-tibial-and-pudendal-neuromodulation-of-bladder-overactivity-in-cats
#1
Xuewen Jiang, Michelle Yu, Jamie Uy, Thomas Fuller, Cameron Jones, Bing Shen, Jicheng Wang, James R Roppolo, William de Groat, Changfeng Tai
The role of cannabinoid type 1 (CB1) receptors in tibial and pudendal neuromodulation of bladder overactivity induced by intravesical infusion of 0.5% acetic acid (AA) was determined in α-chloralose anesthetized cats. AA irritation significantly (p<0.01) reduced bladder capacity to 36.6±4.8% of saline control capacity. Tibial nerve stimulation (TNS) at 2 or 4 times threshold (T) intensity for inducing toe movement inhibited bladder overactivity and significantly (p<0.01) increased bladder capacity to 69...
December 7, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27926561/percutaneous-posterior-tibial-nerve-stimulation-vs-perianal-application-of-glyceryl-trinitrate-ointment-in-the-treatment-of-chronic-anal-fissure-a-randomized-clinical-trial
#2
Jaime Ruiz-Tovar, Carolina Llavero
BACKGROUND: Current therapeutic guidelines for the treatment of chronic anal fissure establish a medical approach as the first step. Glyceryl trinitrate ointment is the most popular of the available topical treatments in Spain but it is associated with the appearance of headache. OBJECTIVE: The purpose of this study was to compare the compliance rate among patients receiving glyceryl trinitrate treatment for chronic anal fissure with that among patients receiving percutaneous posterior tibial nerve stimulation...
January 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27902645/effect-of-nerve-stimulation-use-on-the-success-rate-of-ultrasound-guided-subsartorial-saphenous-nerve-block-a-randomized-controlled-trial
#3
Shaylyn H Montgomery, Colleen M Shamji, Grace S Yi, Cynthia H Yarnold, Stephen J Head, Scott C Bell, Stephan K W Schwarz
BACKGROUND AND OBJECTIVES: Ultrasound-guided subsartorial saphenous nerve block is commonly used to provide complete surgical anesthesia of the foot and ankle in combination with a popliteal sciatic nerve block. However, in part owing to its small caliber and absence of a prominent vascular landmark in the subsartorial plane distal to the adductor canal, the saphenous nerve is more difficult to reliably block than the sciatic nerve in the popliteal fossa. Although the saphenous nerve is a sensory nerve only, neurostimulation can be used to elicit a "tapping" sensation on the anteromedial aspect of the lower leg extending toward the medial malleolus...
November 29, 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27898383/influence-of-anatomical-detail-and-tissue-conductivity-variations-in-simulations-of-multi-contact-nerve-cuff-recordings
#4
Purbasha Garai, Ryan G L Koh, Martin Schuettler, Thomas Stieglitz, Jose Zariffa
Accurate simulations of peripheral nerve recordings are needed to develop improved neuroprostheses. Previous models of peripheral nerves contained simplifications whose effects have not been investigated. We created a novel detailed finite element (FE) model of a peripheral nerve, and used it to carry out a sensitivity analysis of several model parameters. To construct the model, in vivo recordings were obtained in a rat sciatic nerve using an 8-channel nerve cuff electrode, after which the nerve was imaged using magnetic resonance imaging (MRI)...
November 24, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/27895925/somatic-neural-alterations-in-non-diabetic-obesity-a-cross-sectional-study
#5
Ram Lochan Yadav, Deepak Sharma, Prakash Kumar Yadav, Dev Kumar Shah, Kopila Agrawal, Rita Khadka, Md Nazrul Islam
BACKGROUND: Reports on alterations in somatic neural functions due to non-diabetic obesity, a major risk factor for diabetes, are few and still a matter of debate. Nevertheless, to our knowledge, reports lack any comments on the type of somatic nerve fibers affected in non-diabetic obesity. Therefore, this study aimed to find out the alteration in somatic neural functions in non-diabetic obese persons if any. METHODS: The study was conducted on 30 adult non-diabetic obese persons (mean age 32...
2016: BMC Obesity
https://www.readbyqxmd.com/read/27884603/cranial-nerve-involvement-in-charcot-marie-tooth-disease
#6
Nirav Das, Savannah Kandalaft, Xiao Wu, Ajay Malhotra
BACKGROUND: Charcot-Marie-Tooth Disease (CMT) is a rare disorder with less than 200,000 cases reported in the US every year, making diagnosis challenging. MR and CT imaging has become more common in the evaluation of CMT to identify areas of disease involvement. CASE REPORT: A 27-year-old female from Guatemala with a past history of polio initially presented to the emergency room for necrotizing pneumonia. MRI images demonstrated smoothly enlarged, mildly enhancing trigeminal nerves...
November 21, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27882734/novel-mutations-in-sh3tc2-in-a-young-japanese-girl-with-charcot-marie-tooth-disease-type-4c
#7
Kazushi Ichikawa, Keita Numasawa, Saoko Takeshita, Akihiro Hashiguchi, Hiroshi Takashima
Charcot-Marie-Tooth disease type 4C (CMT4C) is an autosomal recessive demyelinating form of CMT characterized clinically by early onset and severe spinal deformities, and is caused by mutations in SH3TC2. We describe the case of a 10-year-old Japanese girl diagnosed with CMT4C. The patient developed progressive foot deformities such as marked pes cavus and ankle contracture, with mild muscle weakness in both legs, and generalized areflexia. On electrophysiological studies, motor nerve conduction velocity ranged from 22...
November 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27880769/effects-of-treatment-of-treadmill-combined-with-electro-acupuncture-on-tibia-bone-mass-and-substance-pexpression-of-rabbits-with-sciatic-nerve-injury
#8
Yan Wang, Qiang Tang, Luwen Zhu, Ruyi Huang, Lei Huang, Melanie Koleini, Dequan Zou
The peripheral nervous system may play an important role in normal bone maintenance and remodeling. Substance P (SP) is a neuropeptide associated with bone loss and formation that may mediate the effects of the nervous system. The purpose of this study is to determine if treadmill running combined with electro-acupuncture at Jiaji acupoints (Jiaji-EA) affects tibial bone mass and SP expression in rabbits with sciatic nerve injury. Twenty-four juvenile male New Zealand white rabbits were randomly assigned to one of 4 groups: sham injury control (sham), sciatic never crush control (SNCr), treadmill running (treadmill), and Jiaji-EA combined with treadmill running (ET group)...
2016: PloS One
https://www.readbyqxmd.com/read/27879592/reinnervated-split-muscle-technique-for-creating-additional-myoelectric-sites-in-an-animal-model
#9
Maria Florencia Deslivia, Hyun-Joo Lee, Rizki Fajar Zulkarnain, Bin Zhu, Arnold Adikrishna, In-Ho Jeon, Keehoon Kim
BACKGROUND: This study proposes a novel reinnervated split-muscle operation to create additional myoelectric sites as sources of command signals of myoelectric prostheses for enhanced dexterous hand-to-wrist motions. The aim of this study was to investigate the postprocedure electromyographic properties of the muscles as distinct myoelectric sites in a rat model. METHODS: The reinnervated split-muscle group (n = 6) had the gastrocnemius muscle separated along its longitudinal axis and nerves transferred to each new muscle (peroneal nerve to lateral muscle head and tibial to medial one); the non-split-muscle group (n = 6) only had nerve transfers with its muscle intact...
December 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27879521/tibial-nerve-stimulation-to-inhibit-the-micturition-reflex-by-an-implantable-wireless-driver-microstimulator-in-cats-retracted
#10
Xing Li, Li-Min Liao, Guo-Qing Chen, Zhao-Xia Wang, Tian-Ji Lu, Han Deng, Gerald-E Loeb
BACKGROUND: Traditional tibial nerve stimulation (TNS) has been used to treat overactive bladder syndrome (OAB), but there are some shortcomings. Thus, a novel alternative is needed for the treatment of OAB. The study investigated the effects of a new type of tibial nerve microstimulator on the micturition reflex in cats. METHODS: An implantable wireless driver microstimulator was implanted around the tibial nerve in 9 α-chloralose anesthetized cats. Cystometry was performed by infusing 0...
August 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27875560/denervation-induced-activation-of-the-standard-proteasome-and-immunoproteasome
#11
Haiming M Liu, Deborah A Ferrington, Cory W Baumann, LaDora V Thompson
The standard 26S proteasome is responsible for the majority of myofibrillar protein degradation leading to muscle atrophy. The immunoproteasome is an inducible form of the proteasome. While its function has been linked to conditions of atrophy, its contribution to muscle proteolysis remains unclear. Therefore, the purpose of this study was to determine if the immunoproteasome plays a role in skeletal muscle atrophy induced by denervation. Adult male C57BL/6 wild type (WT) and immunoproteasome knockout lmp7-/-/mecl-1-/- (L7M1) mice underwent tibial nerve transection on the left hindlimb for either 7 or 14 days, while control mice did not undergo surgery...
2016: PloS One
https://www.readbyqxmd.com/read/27874946/visual-and-somotosensory-evoked-potentials-in-asymptomatic-patients-with-vitamin-b12-deficiency
#12
B Gökçe Çokal, H N Güneş, S K Güler, T K Yoldaş
OBJECTIVE: Vitamin B12 deficiency may be asymptomatic or present with a wide range of neurological and hematological disorders. Our aim in this study is to evaluate visual (VEP) and somatosensory evoked potential (SEP) parameters in patients with vitamin B12 deficiency who had no clinical evidence of visual impairment or neurological syndrome findings and compare the findings with healthy controls to determine whether there is a correlation between VEP and SEP parameters and serum vitamin B12 levels...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27871444/polyneuropathy-in-levodopa-treated-parkinson-s-patients
#13
Karol Szadejko, Krzysztof Dziewiatowski, Krzysztof Szabat, Piotr Robowski, Michał Schinwelski, Emilia Sitek, Jarosław Sławek
Recently published studies show that the prevalence of polyneuropathy (PNP) is higher in patients with Parkinson's disease (PD) than in age-matched controls. Its pathogenesis, however is a matter of controversy. The major hypothesis is the toxicity of high concentrations of homocysteine (Hcy) possibly related to levodopa (LD) therapy. The aim of the present study was to determine the prevalence of PNP, independent of other etiologies, and to determine the relationship to demographic and clinical factors in LD-treated Parkinson's patients...
December 15, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27865751/feasibility-of-long-term-tibial-nerve-stimulation-using-a-multi-contact-and-wirelessly-powered-neurostimulation-system-implanted-in-rats
#14
Zainab Moazzam, Jason Paquette, Austin R Duke, Navid Khodaparast, Paul B Yoo
OBJECTIVES: Implant-driven tibial nerve stimulation (TNS) therapy is an effective technique for treating overactive bladder (OAB). However, the monopolar lead design in the currently available implantable devices pose long-term therapeutic challenges in terms of efficiently and selectively delivering electrical pulses to the target. Hence, the purpose of this study was to: (1) characterize the tibial nerve (TN) activation properties using a multi-contact implantable system and (2) evaluate the long-term stability of using such a neural interface in a pre-clinical model...
November 16, 2016: Urology
https://www.readbyqxmd.com/read/27859300/potassium-titanyl-phosphate-laser-welding-following-complete-nerve-transection
#15
Neel K Bhatt, Christopher Mejias, Dorina Kallogjeri, Derrick C Gale, Andrea M Park, Randal C Paniello
OBJECTIVES/HYPOTHESIS: Cranial nerve transection during head and neck surgery is conventionally repaired by microsuture reanastomosis. Laser nerve welding (LNW), using CO2 laser to spot-weld the epineurium of transected nerve endings, has been shown in animal models to be a novel alternative to microsuture repair. This method avoids needle/suture material and minimizes instrumentation of the nerve. We hypothesized that potassium titanyl phosphate (KTP) laser would be superior to CO2 laser in repairing transected nerves...
November 16, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27857502/comparison-of-closing-wedge-and-opening-wedge-high-tibial-osteotomies-for-medial-compartment-osteoarthritis-of-knee-in-asian-population-mid-term-follow-up
#16
Sanjay Agarwala, Anshul Sobti, Siddhant Naik, Sameer Chaudhari
BACKGROUND: Valgus high tibial osteotomy (HTO) is a well-established treatment option for patients with early osteoarthritis of the medial compartment of the knee. It is achievable with either open-wedge or closed-wedge technique. The aim of the study was to compare the radiological and clinical outcomes following HTO done with open- and closed-wedge techniques. MATERIAL AND METHODS: Two groups of patients undergoing HTO and fixation with locking plates were compared...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27845481/unilateral-variation-in-extensor-digitorum-longus-muscle
#17
A Banerje, S Singh, K Raza, N Rani, S Kaler
During a routine dissection of an adult embalmed male cadaver for educational purpose in the department of anatomy at AIIMS, New Delhi, India, a rare unilateral variation of extensor digitorum longus (EDL) was found which is a muscle of anterior compartment of the leg. There was a split tendon of EDL muscle in the anterior compartment of left leg which became a common tendon in front of the ankle joint. This common tendon of EDL muscle again divided into four slips and were inserted in to the lateral four toes...
September 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/27810581/effect-of-botulinum-toxin-on-disabling-neuropathic-pain-a-case-presentation-suggesting-a-new-therapeutic-strategy
#18
Michelangelo Buonocore, Laura Demartini, Silvia Mandrini, Anna Dall'Angelo, Elena Dalla Toffola
: This case presentation describes a 47-year-old woman who developed complex regional pain syndrome type II with severe neuropathic pain following iatrogenic transection of the tibial nerve at the ankle. The pain and disability progressively worsened over time, markedly impaired ambulation, and were not relieved despite various analgesic treatments. After injection of botulinum toxin (abobotulinumtoxinA, BoNT-A) in the leg muscles the tendons of which pass through the tarsal tunnel (together with the tibial nerve), her pain decreased and her walking capacity improved...
November 1, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27810022/minimally-invasive-calcaneal-osteotomy-a-cadaveric-and-clinical-evaluation
#19
Charlie R J Jowett, David Rodda, Anish Amin, Anthony Bradshaw, Harvinder S Bedi
BACKGROUND: A cadaveric and clinical study was performed to assess whether a minimally invasive technique is a potentially safer alternative compared to a calcaneal osteotomy through an open lateral approach. METHODS: Cadaveric: A minimally invasive calcaneal osteotomy (MICO) was performed on nine cadaveric specimens. These were examined to identify any nerve injury and to quantify the displacement achieved with the osteotomy. Clinical: A retrospective review of a sequential case series of medializing MICO's performed by the senior author between October 2011 and November 2014 was undertaken...
December 2016: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27806430/tibial-nerve-palsy-as-the-presenting-feature-of-posterior-tibial-artery-pseudoaneurysm
#20
Adrian D Murphy, Marion Chan, Sian M Fairbank
No abstract text is available yet for this article.
November 2, 2016: ANZ Journal of Surgery
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