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Entrapment Neuropathy

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https://www.readbyqxmd.com/read/28611388/aberrant-plasticity-of-peripheral-sensory-axons-in-a-painful-neuropathy
#1
Takashi Hirai, Yatendra Mulpuri, Yanbing Cheng, Zheng Xia, Wei Li, Supanigar Ruangsri, Igor Spigelman, Ichiro Nishimura
Neuronal cells express considerable plasticity responding to environmental cues, in part, through subcellular mRNA regulation. Here we report on the extensive changes in distribution of mRNAs in the cell body and axon compartments of peripheral sensory neurons and the 3' untranslated region (3'UTR) landscapes after unilateral sciatic nerve entrapment (SNE) injury in rats. Neuronal cells dissociated from SNE-injured and contralateral L4 and L5 dorsal root ganglia were cultured in a compartmentalized system. Axonal and cell body RNA samples were separately subjected to high throughput RNA sequencing (RNA-Seq)...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28594495/ulnar-tunnel-syndrome-radial-tunnel-syndrome-anterior-interosseous-nerve-syndrome-and-pronator-syndrome
#2
Adam B Strohl, David S Zelouf
In addition to the more common carpal tunnel and cubital tunnel syndromes, orthopaedic surgeons must recognize and manage other potential sites of peripheral nerve compression. The distal ulnar nerve may become compressed as it travels through the wrist, which is known as ulnar tunnel or Guyon canal syndrome. The posterior interosseous nerve may become entrapped in the proximal forearm as it travels through the radial tunnel, which results in a pain syndrome without motor weakness. The median nerve may become entrapped in the proximal forearm, which can result in a variety of symptoms...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28584314/is-ulnar-nerve-entrapment-at-wrist-frequent-among-patients-with-carpal-tunnel-syndrome-occupationally-exposed-to-monotype-wrist-movements
#3
Magdalena Lewańska, Jolanta Walusiak-Skorupa
OBJECTIVES: Association between carpal tunnel syndrome (CTS) and ulnar nerve entrapment at wrist remains controversial. The aim of the study has been to investigate the prevalence of Guyon's canal syndrome amongst patients diagnosed with the CTS, occupationally exposed to repetitive wrist movements. MATERIAL AND METHODS: The retrospective analysis of 310 patients (268 females, 42 males) representing the mean age of 52±7 years old hospitalized for the suspected occupational CTS was performed...
December 30, 2016: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28571125/preinguinal-splitting-and-reunion-of-femoral-nerve-entrapping-the-fleshy-fibres-of-iliacus-muscle-a-case-report
#4
L S Ashwini, S Nagabhooshana Somayaji, Mohandas Rao, Sapna Marpalli
Division of nerves close to their origin and muscular entrapments by nerves in the limbs is not very common. Femoral nerve is the largest branch of the lumbar plexus and arises from dorsal divisions of ventral rami of L2 to L4 spinal nerves. During routine cadaveric dissection for first year medical students at Melaka Manipal Medical College (Manipal Campus), Karnataka, India, we observed a variation in the division and course of left femoral nerve in about 65-year-old male cadaver. The femoral nerve was split into two divisions above the inguinal ligament after its origin from the lumbar plexus...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28538254/acute-demyelinating-polyneuropathy-as-presentation-of-hereditary-neuropathy-with-liability-to-pressure-palsies-in-a-patient-who-exercised-regularly-in-the-army
#5
Malathi Perugula, Gulshan Uppal, Miguel Chuquilin
Acute generalized neuropathy as the presenting manifestation of hereditary neuropathy with liability to pressure palsies (HNPP) is rare. We report a 19-year-old Army recruit who exercised regularly for 9 months and presented with 2 weeks of numbness, tingling, and weakness in both upper and lower extremities, starting 2 weeks after influenza vaccination and 1 day after vigorous exercise. Based on acute onset, clinical examination and electrophysiological findings, Guillain-Barre syndrome was diagnosed, and intravenous immunoglobulin was administered with minimal improvement...
June 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/28528878/occupational-prognosis-factors-for-ulnar-nerve-entrapment-at-the-elbow-a-systematic-review
#6
M Fadel, R Lancigu, G Raimbeau, Y Roquelaure, A Descatha
Although ulnar nerve entrapment is the second most common entrapment neuropathy, there is a dearth of studies identifying occupational prognosis factors. We carried out a systematic review of the occupational prognosis factors for ulnar nerve entrapment in order to identify professions at risks and allow better follow-up for their workers. Using the key words, "ulnar OR cubital", "neuropathy OR tunnel", and "work OR occupational" without limitations, original prospective studies were selected from four databases (PubMed, Embase, Web of Science, Cochrane Library) after two rounds (valid design, valid prognosis outcome reported, valid work exposure)...
May 18, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28506176/neurolysis-with-amniotic-membrane-nerve-wrapping-for-treatment-of-secondary-wartenberg-syndrome-a-preliminary-report
#7
Michael P Gaspar, Patrick M Kane, Michael M Vosbikian, Constantinos Ketonis, Mark S Rekant
BACKGROUND: Entrapment of the superficial sensory branch of the radial nerve (SRN) commonly results in debilitating pain of the dorsoradial wrist. Symptom relief following SRN neurolysis is often incomplete or temporary due to recurrent perineural scarring. METHODS: We performed a retrospective review with prospective follow-up of all patients with SRN neuropathy who were treated with neurolysis and nerve wrapping using an amnion-based allograft adhesion barrier over a one-year interval...
June 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28502561/acute-hydrocephalus-due-to-a-primary-malignant-peripheral-nerve-sheath-tumor-of-the-cervicothoracic-junction-a-case-report-and-review-of-the-literature
#8
Y Samanci, H S Togay, R Yakar, F Kabukcuoglu, S E Celik
BACKGROUND: The estimated incidence of malignant nerve sheath tumors is 0.001% per year, and only 2-3% of those tumors involve the spinal nerves. We present a rare case of acute hydrocephalus caused by primary malignant peripheral nerve sheath tumor of the cervicothoracic junction. CASE DESCRIPTION: A 29-year-old previously healthy male patient, except for a history of two previous surgeries for ulnar nerve entrapment and progressive left upper extremity weakness, presented with acute onset somnolence...
May 11, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28500566/an-update-on-addressing-important-peripheral-nerve-problems-challenges-and-potential-solutions
#9
Wilson Z Ray, Mark A Mahan, Danzhu Guo, Danqing Guo, Michel Kliot
From time to time it is thoughtful and productive to review a medical field and reflect upon what are the major issues that need to be addressed and what is being done to do so. This review article is not meant to be all-inclusive but rather focuses on four evolving areas in the field of peripheral nerve disorders and treatments: (1) nerve surgery under ultrasound guidance using a new ultra-minimally invasive thread technique; (2) evolving magnetic resonance imaging (MRI) and ultrasound imaging techniques that are helping to both diagnose and treat a variety of peripheral nerve problems including entrapment neuropathies, traumatic nerve injuries, and masses arising from nerves; (3) promoting recovery after nerve injury using electrical stimulation; and (4) developing animal models to reproduce a severe nerve injury (neurotmetic grade in continuity) that requires a surgical intervention and repair...
May 12, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28490686/-a-case-of-meralgia-paresthetica-treated-with-neurolysis
#10
Toshiki Nozaki, Daijiro Morimoto, Kyongsong Kim, Takao Kitamura, Rinko Kokubo, Fumio Yamaguchi, Toyohiko Isu, Akio Morita
A 60-year-old woman presented with a 1-year history of pain and numbness in the left anterolateral thigh. The symptoms aggravated on walking and standing. Her visual analogue scale(VAS)score was 7.1/10. Tinel's like sign was positive over the lateral femoral cutaneous nerve(LFCN), in the inguinal ligament region. LFCN block at the trigger point, in the inguinal ligament, resulted in relief of the symptoms and we diagnosed meralgia paresthetica(MP), which is the entrapment neuropathy of the LFCN. Initially, we performed observation therapy with oral medication and LFCN blocks...
May 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28484650/efficacy-of-keyhole-approach-to-carpal-tunnel-syndrome-under-ambulatory-strategy
#11
Rodrigo Ramos-Zúñiga, César J García-Mercado, Iván Segura-Durán, Luis A Zepeda-Gutiérrez
The carpal tunnel syndrome is one of the most common entrapment neuropathies found in humans. Currently, the gold standard is surgical treatment using different modalities. The minimally invasive strategy with high resolution capacity and less morbidity is still a challenge. Methods. Prospective nonrandomised clinical trial in which a minimally invasive microsurgical approach was used following the keyhole principle in 55 consecutive patients and 65 hands under local anesthesia and ambulatory strategy. They were evaluated with stringent inclusion criteria with the Levine severity and functional status scale and with a 2-year follow-up...
2017: Neurology Research International
https://www.readbyqxmd.com/read/28467569/medial-calcaneal-neuropathy-a-rare-cause-of-prolonged-heel-pain
#12
Banu Kuran, Tolga Aydoğ, Cem Erçalık, Pınar Arda, Figen Yılmaz, Beril Doğu, Julide Öncü, Gülgün Durlanık
Pain heel constitutes 15% of foot pain. Pain may be caused by plantar fasciitis, calcaneal fractures, calcaneal apophysitis, heel pad atrophy, inflammatory diseases or related with nerve involvement. Tibial, plantar and/or medial nerve entrapment are the neural causes of pain. Most of the heel soft tissue sensation is provided by medial calcaneal nerve. Diagnosis of heel pain due to neural causes depends on history and a careful examination. Surgery should not be undertaken before excluding other causes of heel pain...
January 2017: Aǧrı: Ağrı (Algoloji) Derneği'nin Yayın Organıdır, the Journal of the Turkish Society of Algology
https://www.readbyqxmd.com/read/28436376/carpal-tunnel-syndrome-symptoms-causes-and-treatment-options-literature-reviev
#13
Radoslav Zamborsky, Milan Kokavec, Lukas Simko, Martin Bohac
Carpal Tunnel Syndrome (CTS) is the most common form of entrapment neuropathy. Several authors have investigated the anatomical and pathophysiological features of CTS and have identified several parameters that, in combination, play a significant role in its pathophysiology. Advancement in biological research on CTS has enabled the advent of efficient diagnostic techniques such as provocative tests and nerve conduction studies. Sophisticated technologies, such as magnetic resonance imaging (MRI) and ultrasonography (US), have facilitated the diagnosis of CTS...
January 26, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28409074/c2-and-greater-occipital-nerve-the-anatomic-and-functional-implications-in-spinal-surgery
#14
M Burhan Janjua, Peter L Zhou, Jeffrey P Greenfield, Ali A Baaj, Anthony Frempong-Boadu
INTRODUCTION: Posterior C1-C2 fusion is a highly successful treatment for atlantoaxial instability and other pathologies of the cervical spine, with fusion rates approaching 95%-100%. However, poor visualization of the lateral masses of C1 secondary to the course of the C2 nerve root along with blood loss from the venous plexus and compression of the C2 nerve from lateral mass screws are technical obstacles that can arise during surgery. Thus, sacrifice of the C2 nerve root has long since been debated in fusions involving the C1 and C2 vertebral bodies...
March 3, 2017: Curēus
https://www.readbyqxmd.com/read/28406001/disabling-osteopetrosis-in-an-young-lady
#15
Gouranga Santra, Shinjan Patra, Partha Pratim Chakraborty
Osteopetrosis is a rare disorder of osteoclastic bone resorption leading to hyperostosis. Albers-Schonberg disease, an autosomal dominant variant of osteopetrosis occurs in young adults and has a benign course. A 17 year old female presented with generalized weakness and pallor for last two months. She had insidious onset and gradually progressive loss of vision and hearing for last two years. Plain x-ray of skull revealed increased radio-opacity of skull bones specially in the base, severe under-pneumatization of frontal and sphenoidal sinuses...
December 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28400666/limited-incision-carpal-tunnel-release
#16
Sunil Gaba, Sandeep Bhogesha, Onkar Singh
BACKGROUND: Carpal tunnel syndrome (CTS) is the most common peripheral entrapment neuropathy. Limited incision techniques for carpal tunnel release are gaining popularity. The main advantages of these techniques are less scar load, less pillar pain, shorter recovery, and return-to-work time. However, the completeness of release, and risk of neurovascular injury are always a concern. We devised a method of limited incision release with two mini-incisions and use of nasal speculum and a probe...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28375915/common-entrapment-neuropathies
#17
Lisa D Hobson-Webb, Vern C Juel
PURPOSE OF REVIEW: This article addresses relevant peripheral neuroanatomy, clinical presentations, and diagnostic findings in common entrapment neuropathies involving the median, ulnar, radial, and fibular (peroneal) nerves. RECENT FINDINGS: Entrapment neuropathies are a common issue in general neurology practice. Early diagnosis and effective management of entrapment mononeuropathies are essential in preserving limb function and maintaining patient quality of life...
April 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28362959/cubital-tunnel-syndrome-incidence-and-demographics-in-a-national-administrative-database
#18
Daniel A Osei, Andrew P Groves, Kerry Bommarito, Wilson Z Ray
BACKGROUND: Compressive neuropathy of the ulnar nerve at the elbow, or cubital tunnel syndrome (CuTS), is the second most common entrapment neuropathy of the upper extremity after carpal tunnel syndrome. While several studies have reported risk factors and outcomes for select populations (mostly surgical), it is difficult to interpret these data without an accurate measure of CuTS disease burden in the general population. OBJECTIVE: To estimate the incidence of CuTS among US health plan enrollees, using a large administrative health care claims database comprised of individuals from all 50 states...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28355676/imaging-nerve-pathology-of-the-knee-magnetic-resonance-imaging-and-ultrasound
#19
Yoav Morag, Lynda J S Yang
Peripheral neuropathies are not uncommon, and the diagnostic evaluation includes a clinical assessment and electrophysiologic studies as well as diagnostic imaging. Magnetic resonance imaging (MRI) and high-resolution ultrasound (HRUS) are of special importance in providing the surgeon with information in the context of nerve trauma, entrapment, and nerve involvement by tumors. Peripheral neuropathy about the knee can occur in the context of associated knee pathology such as trauma, as part of a systemic disease, or as an isolated finding...
April 2017: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/28345147/nerve-conduction-velocity-and-cross-sectional-area-in-ulnar-neuropathy-at-the-elbow
#20
Simon Podnar, Gregor Omejec, Marko Bodor
INTRODUCTION: In the precise localization of ulnar neuropathy at the elbow (UNE) we have noted discrepancies between electrodiagnostic (EDx) and ultrasonographic (US) findings. We aimed to explore the relationship between the 2 methods. METHODS: Four study-blind examiners took a history and performed neurologic, EDx, and US examinations of a group of prospectively recruited patients with UNE. They assessed the relationship between ulnar nerve cross-sectional area (CSA) and motor nerve conduction velocity (MNCV)...
March 27, 2017: Muscle & Nerve
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