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Entrapment Neuropathy

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https://www.readbyqxmd.com/read/29137918/spinobulbar-muscular-atrophy-combined-with-atypical-hereditary-neuropathy-with-liability-to-pressure-palsy
#1
Kyomin Choi, So Hyun Ahn, Seol-Hee Baek, Jun-Soon Kim, Seok-Jin Choi, Je-Young Shin, Sung-Min Kim, Yoon-Ho Hong, Jung-Joon Sung
Spinobulbar muscular atrophy (SBMA) is an X-linked recessive disease, presenting motor weakness and wasting of facial, bulbar and limb muscles. Hereditary neuropathy with liability to pressure palsy (HNPP) is autosomal dominant disorder characterized by recurrent neuropathies at common entrapment sites. We report a case of co-existence of SBMA and atypical HNPP with genetic confirmation of CAG expansion in the androgen receptor (AR) gene and deletion of the peripheral myelin protein 22 (PMP22) gene. A 62-year-old man presented with progressive muscle weakness, fasciculations in upper and lower limbs and dysesthesia predominantly in the distal regions...
November 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29137727/the-quantitative-evaluation-of-the-relationship-between-the-forces-applied-to-the-palm-and-carpal-tunnel-pressure
#2
Kazutoshi Kubo, Yu-Shiuan Cheng, Boran Zhou, Kai-Nan An, Steven L Moran, Peter C Amadio, Xiaoming Zhang, Chunfeng Zhao
Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy occurring in upper limbs. The etiology, however, has not been fully understood yet. Median nerve could be compressed by either increase of carpal tunnel pressure (CTP) or direct impingement when it is forced toward to carpal ligament especially in wrist flexion leading to CTS development. Thus, the increase of carpal tunnel pressure is considered an important role in CTS development. It has been identified that forces applied to the palm would affect the CTP...
November 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29136549/the-spectrum-of-charcot-marie-tooth-disease-due-to-myelin-protein-zero-an-electrodiagnostic-nerve-ultrasound-and-histological-study
#3
Gian Maria Fabrizi, Stefano Tamburin, Tiziana Cavallaro, Ilaria Cabrini, Moreno Ferrarini, Federica Taioli, Francesca Magrinelli, Giampietro Zanette
OBJECTIVE: Nerve ultrasound (US) data on myelin protein zero (MPZ)-related Charcot-Marie-Tooth disease (CMT) are lacking. To offer a comprehensive perspective on MPZ-related CMTs, we combined nerve US with clinics, electrodiagnosis and histopathology. METHODS: We recruited 36 patients (12 MPZ mutations), and correlated nerve US to clinical, electrodiagnostic measures, and sural nerve biopsy. RESULTS: According to motor nerve conduction velocity (MNCV) criteria, nine patients were categorized as "demyelinating" CMT1B, 17 as "axonal" CMT2I/J, and 10 as dominant "intermediate" CMTDID...
October 20, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29105105/low-back-pain-due-to-superior-cluneal-nerve-entrapment-clinicopathological-study
#4
Kyongsong Kim, Jun Shimizu, Toyohiko Isu, Kiyoharu Inoue, Yasuhiro Chiba, Naotaka Iwamoto, Daijiro Morimoto, Masanori Isobe, Akio Morita
INTRODUCTION: We studied the clinical and nerve pathological features in 6 patients whose low back pain (LBP) was relieved by superior cluneal nerve (SCN) neurectomy to determine whether nerve compression was the mechanism underlying this type of LBP. METHODS: ALL 6 patients (7 nerves) underwent SCN neurectomy for intractable LBP. Their clinical outcomes and the pathological features of 7 nerves were reviewed. RESULTS: All patients reported LBP relief immediately after SCN neurectomy...
November 3, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/29104742/mr-neurography-in-intraosseous-median-nerve-entrapment
#5
Ankita Aggarwal, Manisha Jana, Vijay Kumar, Deep Narayan Srivastava, Kanwaljeet Garg
Intraosseous entrapment of the median nerve is an uncommon complication of elbow dislocation and fractures. The condition is seen to occur in adolescent age group with a remote history of trauma. We report two rare cases of type 2 intraosseous median nerve entrapment. Though the diagnosis of median neuropathy is made with clinical tests and neurophysiological studies, however exact site of entrapment and presurgical mapping of nerve is done accurately with MR neurography. Imaging thus plays a pivotal role in management of this condition...
October 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/29100792/assessing-the-reliability-of-ultrasound-imaging-to-examine-peripheral-nerve-excursion-a-systematic-literature-review
#6
REVIEW
Ben Kasehagen, Richard Ellis, Rodney Pope, Nicholas Russell, Wayne Hing
Ultrasound imaging (USI) is gaining popularity as a tool for assessing nerve excursion and is becoming an important tool for the assessment and management of entrapment neuropathies. This systematic review aimed to identify current methods and report on the reliability of using USI to examine nerve excursion and identify the level of evidence supporting the reliability of this technique. A systematic search of five electronic databases identified studies assessing the reliability of using USI to examine nerve excursion...
October 31, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29083521/peripheral-nerve-diffusion-tensor-imaging-overview-pitfalls-and-future-directions
#7
Tina Jeon, Maggie M Fung, Kevin M Koch, Ek T Tan, Darryl B Sneag
Diffusion tensor imaging (DTI) is a noninvasive magnetic resonance imaging (MRI) technique that measures the extent of restricted water diffusion and anisotropy in biological tissue. Although DTI has been widely applied in the brain, more recently researchers have used it to characterize nerve pathology in the setting of entrapment neuropathy, traumatic injury, and tumor. DTI artifacts are exacerbated when imaging off isocenter in the body. Anecdotally, the most significant artifacts in peripheral nerve DTI include magnetic field inhomogeneity, motion, incomplete fat suppression, aliasing, and distortion...
October 30, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29078710/psychosocial-risk-factors-and-the-association-with-carpal-tunnel-syndrome-a-systematic-review
#8
Michael Mansfield, Michael Thacker, Fiona Sandford
BACKGROUND: Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy of the upper limb. Research has shown that associative factors for CTS include occupational and biomechanical elements, gender, and age. To date, no systematic review has been undertaken to determine specifically whether there are any psychosocial risk factors in developing CTS. The objective is to determine whether psychosocial factors are associated with and/or predict the development of CTS. METHODS: A systematic review was conducted including searches of PubMed (MEDLINE), EMBASE, and CINAHL from inception to May 30, 2017...
October 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29068902/optimization-of-surgical-outcome-in-lower-extremity-nerve-decompression-surgery
#9
Willem D Rinkel, Jasper L de Kleijn, Joanne F M Macaré van Maurik, J Henk Coert
BACKGROUND: There is still debate whether the surgical release of entrapped lower extremity nerves reduces complaints of associated neuropathy and results in gain of sensory function. The aim of this study is to investigate which factors are associated with a favorable surgical outcome, by follow-up of patients previously participating in a randomized controlled trial. METHODS: We evaluated the 5-years follow-up of diabetic patients previously participating in the Lower Extremity Nerve entrapment Study (LENS)...
October 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29062660/scar-tissue-causing-saphenous-nerve-entrapment-percutaneous-scar-release-and-fat-grafting
#10
Martin Ulloa, Mauricio Coronel Banda
Painful neuropathies can be caused by nerve compression or neuromas. Nerve compressions can arise from scar adhesions causing painful posttraumatic entrapment of nerve branches via fibrosis. The classical treatment methods include neurolysis and nerve transposition. In this case, we present the treatment of recurrent scar entrapment of the saphenous nerve with percutaneous neurolysis and lipofilling in a patient who had previously undergone an open neurolysis procedure. Resolution of the condition without any complications was noted during the 2-month clinical follow-up...
September 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29026761/postherpetic-neuralgia-diabetic-neuropathy-and-trigeminal-neuralgia-chronic-peripheral-neuropathic-pain-in-58-480-rural-italian-primary-care-patients
#11
Nicola Buono, Hans Thulesius, Ferdinando Petrazzuoli, Elena Castelli, Marco Cambielli
INTRODUCTION: Chronic peripheral neuropathic pain (CPNP) is a condition due to peripheral nervous system diseases or injury, but its prevalence is unknown in Italian primary care. AIM: The aim of this study is to assess the prevalence of CPNP in a rural primary care area in Northern Italy. MATERIALS AND METHODS: A multicenter audit study was carried out in a rural area in Northern Italy with 113 participating general practitioners (GPs) seeing 58,480 patients >18 years during 3 months...
January 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29022773/native-paraneurial-tissue-and-paraneurial-adhesions-alter-nerve-strain-distribution-in-rat-sciatic-nerves
#12
Ian M Foran, Vincent Hussey, Rushil A Patel, Jaemyoung Sung, Sameer B Shah
Paraneurial adhesions have been implicated in the pathological progression of entrapment neuropathies. Surgical decompression of adhesions is often performed, with the intent of restoring nerve kinematics. The normal counterpart of adhesions, native paraneurium, is also thought to influence nerve deformation and mobility. However, influences of native or abnormal paraneurial structures on nerve kinematics have not been investigated. We measured regional strains in rat sciatic nerves before and immediately after decompression of native paraneurial tissue, and before and after decompression of abnormal paraneurial adhesions, which formed within 6 weeks of the initial decompression...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28987902/comparison-of-ultrasonography-and-short-segment-nerve-conduction-study-in-ulnar-neuropathy-at-the-elbow
#13
Rana Terlemez, Figen Yilmaz, Beril Dogu, Banu Kuran
OBJECTIVE: We aimed to assess the correlation between ultrasonographic and electrodiagnostic findings to determine the localization of the ulnar trapping at the elbow. DESIGN AND SETTING: A cross-sectional and non-interventional trial was conducted in patients diagnosed as ulnar nerve entrapment in physical medicine and rehabilitation department of a teaching hospital. PARTICIPANTS: Between January 2017 and April 2017, 14 patients diagnosed as ulnar nerve entrapment (UNE) with short segment nerve conduction study were enrolled...
October 5, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28969808/management-of-atraumatic-posterior-interosseous-nerve-palsy
#14
REVIEW
Kohila Vani Sigamoney, Abbas Rashid, Chye Yew Ng
The posterior interosseous nerve (PIN) is susceptible to a number of traumatic and atraumatic pathologies. In this article, we aim to review our current understanding of the etiology, pathology, diagnosis, treatment options, and published outcomes of atraumatic PIN palsy. In general, the etiology of atraumatic PIN palsy can be divided into mechanical, which is caused by an extrinsic compressive force on the nerve, and nonmechanical, which is caused by an intrinsic inflammatory reaction within the nerve. As per this discussion, there are 3 causes for atraumatic PIN palsy...
October 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28968362/ultrasonography-in-peripheral-nervous-system-diagnosis
#15
Francis O Walker
PURPOSE OF REVIEW: High-resolution ultrasound has made it possible to view most nerves and muscles in real time and to identify pathologic change in size, echo texture, and vascularity. This article focuses on the principles underlying ultrasound imaging and the application of ultrasound imaging to clinical disorders commonly seen in an electrodiagnostic laboratory. RECENT FINDINGS: Ultrasound is a sensitive and specific tool for evaluating myopathic and neurogenic muscle disease...
October 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28959514/prevalence-of-obesity-in-carpal-tunnel-syndrome-patients-a-cross-sectional-survey
#16
Salman Mansoor, Maimoona Siddiqui, Farrukh Mateen, Shoab Saadat, Zarak H Khan, Mehr Zahid, Hamza H Khan, Shuja A Malik, Salman Assad
Carpal tunnel syndrome (CTS) is the most common compressive entrapment neuropathy caused by the compression of the median nerve at the wrist space known as the carpal tunnel. The epidemiologic factors related to CTS include genetic, medical, social, vocational, and demographic factors. The common symptoms experienced include pain, paresthesia, and numbness in the median nerve distribution. If left untreated, it can lead to irreversible median nerve damage, causing a loss of hand function. Body mass index (BMI) has been attributed as a risk factor for the development of CTS...
July 26, 2017: Curēus
https://www.readbyqxmd.com/read/28957618/quadrilateral-space-syndrome-treated-with-ultrasound-guided-corticosteroid-injection-a-case-of-isolated-teres-minor-atrophy-and-review-of-the-literature
#17
Peter S Chang, Nathan Jacobson, Kwang U Chang
Quadrilateral space syndrome (QSS) is a rare orthopedic condition caused by compression, entrapment, or injury to the axillary nerve or posterior humeral circumflex artery as they arise from the quadrilateral space. QSS can present with point tenderness over the quadrilateral space and weakness and paresthesia in the axillary nerve distribution. It is commonly associated with repetitive overhead activities and is seen in athletes engaging in such activities. Here we report a case of QSS in a 42-year-old male weight lifter who presented with pain and soreness in the posterior aspect of his right shoulder radiating around his arm as well as slight weakness of his right shoulder of a few weeks duration...
October 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28930898/it-s-all-in-the-wrist-diagnosis-and-management-of-carpal-tunnel-syndrome
#18
Catherine O Durham, Kathy VanRavenstein
Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy accounting for 90% of similar disorders, occurring in 3.8% of the population, common in adults aged 40-60 years, and is associated with an average 32 lost days of work and lost productivity. In addition to occupational exposure, there are several common chronic disorders that can preclude CTS, obesity, diabetes mellitus, rheumatoid arthritis, pregnancy, metabolic syndrome, and thyroid disorder, to name a few. Therefore, it is important for the primary care provider to have knowledge in this syndrome...
September 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28890032/ulnar-nerve-entrapment-at-the-elbow-a-surgical-series-and-a-systematic-review-of-the-literature
#19
Liverana Lauretti, Quintino Giorgio D'Alessandris, Celestino De Simone, Francois Yves Legninda Sop, Luigi M Remore, Alessandro Izzo, Eduardo Fernandez
Chronic compression of the ulnar nerve at the elbow is the second most common entrapment neuropathy. Various surgical options have been described. Timing of surgery is also debated. In this study we report the long-term results of a consecutive surgical series of anterior subcutaneous transpositions and review the pertinent literature. Sixty consecutive patients underwent anterior subcutaneous transposition at our Institution to treat ulnar nerve compression at the elbow. McGowan scale was used in the neurological exam before surgery...
December 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28883007/bilateral-tarsal-tunnel-syndrome-attributed-to-bilateral-fibrous-tarsal-coalition-and-symmetrical-hypertrophy-of-the-sustentaculum-tali
#20
Anil K Bhat, Sandesh Madi, Prajwal Prabhudev Mane, Ashwath Acharya
Tarsal tunnel syndrome (TTS) is one of the frequently encountered entrapment neuropathies of the lower limb. Most often the aetiology is considered to be idiopathic. However, it has to be thoroughly investigated to rule out diverse extrinsic and intrinsic causes. The sustentaculum tali (ST) forms the superior part of the distal tarsal tunnel, and any increase in its size may result in irritation of the tibial nerve or its branches, the medial and lateral plantar nerves or decrease the overall volume of the tarsal tunnel culminating to clinical features of TTS...
September 7, 2017: BMJ Case Reports
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