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ulnar nerve neuropathy

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https://www.readbyqxmd.com/read/29316033/peripheral-nerves-are-pathologically-small-in-cerebellar-ataxia-neuropathy-vestibular-areflexia-syndrome-canvas-a-controlled-ultrasound-study
#1
Luciana Pelosi, Eoin Mulroy, Ruth Leadbetter, Dean Kilfoyle, Andrew M Chancellor, Stuart Mossman, Laurie Wing, Teddy Y Wu, Richard H Roxburgh
BACKGROUND: Sensory neuronopathy is a cardinal feature of Cerebellar Ataxia Neuropathy Vestibular Areflexia Syndrome (CANVAS). Having observed that two patients with CANVAS had small median and ulnar nerves on ultrasound, we set out to examine this finding systematically in a cohort of patients with CANVAS, and compare them with both healthy controls and a cohort of patients with axonal neuropathy. We have previously reported preliminary findings in seven of these CANVAS patients and seven healthy controls...
January 5, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29299392/rapid-neurophysiological-screening-for-sensory-ganglionopathy-a-novel-approach
#2
Panagiotis Zis, Marios Hadjivassiliou, Ptolemaios Georgios Sarrigiannis, Alexander St John Edward Barker, Dasappaiah Ganesh Rao
Background and Aim: Pure sensory neuropathies involving the dorsal root ganglia are commonly referred to as sensory ganglionopathies (SG). Causes of SG can be inherited (as seen in Friedreich's ataxia) or acquired (e.g. immune-mediated or paraneoplastic). Diagnostic criteria for confirming SG have been published and consist of a combination of clinical and neurophysiological parameters. The aim of our study was to develop a neurophysiological method for rapid screening for diagnosis of SG...
December 2017: Brain and Behavior
https://www.readbyqxmd.com/read/29214617/gehs-neurophysiological-classification-system-for-patients-with-neuropathy-of-the-ulnar-nerve-at-the-elbow
#3
David G Greathouse, Greg Ernst, John S Halle, Scott W Shaffer
BACKGROUND: Neuropathy of the ulnar nerve at the elbow is one of a number of muscle-related and nerve-related disorders that affect people performing intensive work with their hands and upper extremities, and is the second most prevalent peripheral nerve mononeuropathy. There are several classification systems currently being used by the medical community for patients with neuropathy of the ulnar nerve at the elbow. However, few of these classification systems include the clinical electrophysiologic parameters nerve conduction (NCS) and electromyographic (EMG) studies...
October 2017: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/29204008/a-clinical-and-electrophysiological-study-of-peripheral-neuropathies-in-predialysis-chronic-kidney-disease-patients-and-relation-of-severity-of-peripheral-neuropathy-with-degree-of-renal-failure
#4
Dushyanth Babu Jasti, Sarat Mallipeddi, A Apparao, B Vengamma, V Sivakumar, Satyarao Kolli
Objective: To study the prevalence, clinical features, electrophysiological features, and severity of peripheral neuropathy in predialysis chronic kidney disease (CKD) patients with respect to severity of renal failure and presence of diabetes mellitus. Materials and Methods: Between May 2015 and December 2016, 200 predialysis CKD patients were assessed prospectively. Results: The prevalence of peripheral neuropathy in predialysis CKD patients in the present study was 45% based on clinical symptoms and 90% electrophysiologically...
October 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29169602/ulnar-nerve-management-with-distal-humerus-fracture-fixation-a-meta-analysis
#5
REVIEW
Jonathan W Shearin, Talia R Chapman, Andrew Miller, Asif M Ilyas
Ulnar nerve dysfunction following distal humerus fractures is a well-recognized phenomenon. There is no consensus regarding optimal handling of the ulnar nerve during surgical management of these fractures between in situ management and transposition. Using an electronic database to identify retrospective studies involving surgical fixation of distal humerus fractures yielded 46 studies, 5 trials meeting the authors' inclusion criteria, totaling 362 patients. An overall incidence of 19.3% for ulnar neuropathy was identified...
February 2018: Hand Clinics
https://www.readbyqxmd.com/read/29167658/atypical-electrophysiological-findings-in-a-patient-with-acute-motor-and-sensory-axonal-neuropathy
#6
Viviana Versace, Stefania Campostrini, Frediano Tezzon, Sara Martignago, Markus Kofler, Leopold Saltuari, Luca Sebastianelli, Raffaele Nardone
Guillain-Barré syndrome (GBS) is an immune-mediated polyradiculoneuropathy with acute onset and rapid clinical worsening; early diagnosis and immunomodulating therapy can ameliorate the course of disease. During the first days, however, nerve conduction studies (NCSs) are not always conclusive. Here, we describe a 73-year-old man presenting with progressive muscular weakness of the lower limbs, ascending to the upper limbs, accompanied by distal sensory disturbances. Neuroimaging of brain and spine and NCSs were unremarkable; cerebrospinal fluid analysis revealed no albuminocytologic dissociation...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29157770/the-prevention-and-recognition-of-ulnar-nerve-and-brachial-plexus-injuries
#7
Barbara J Duffy, Tito D Tubog
Perioperative peripheral nerve injury is a serious yet preventable perioperative complication. Since the inception of the American Association of Anesthesiologists Closed Claim Project, the incidence of peripheral nerve injury has remained constant with an overall reported prevalence rate of 15% to 16%. To date, the most frequent nerve injuries are ulnar nerve neuropathy and brachial plexus injury. This article will review the clinical presentation, pathophysiology, causative and risks factors, and preventive measures for the two most common nerve injuries...
December 2017: Journal of Perianesthesia Nursing: Official Journal of the American Society of PeriAnesthesia Nurses
https://www.readbyqxmd.com/read/29124342/connections-between-radial-and-ulnar-nerve-at-high-humeral-level-in-cadavers-incidence-topography-and-literature-review
#8
Konstantinos Natsis, A Giannakopoulou, M Piagkou, N Lazaridis, T Tegos, M R Colonna
PURPOSE: Although communications between branches and cords of the brachial plexus have been extensively published, there is a scarcity of reports concerning radial and ulnar nerve (RN-UN) communication in the arm. The current study aims to demonstrate the incidence, topography, and length of communicating branches between RN and UN. Any additional coexisted variations were also recorded. MATERIALS AND METHODS: Two hundred and sixty-six upper limbs collected from one hundred and thirty-three (81 males and 52 females) Greek cadavers were dissected...
November 9, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29117836/compressive-ulnar-neuropathy-caused-by-olecranon-bursitis-and-concomitant-epidermal-cyst-a-case-report
#9
Hiroshi Yamazaki, Michitaka Shinone, Hiroyuki Kato
Epidermal cyst is a dermal or subcutaneous epithelial cyst that contains keratin and is lined by true epidermis. Although extremely rare, it can cause pathology including nerve compression syndrome. We report a rare case of ulnar nerve compression in the elbow that was caused by olecranon bursitis and concomitant epidermal cyst in a 67-year-old man. The ulnar nerve was immediately adjacent to the olecranon bursa and was significantly compressed. There was no connection between the tumor and the ulnar nerve...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29091318/early-electrophysiological-findings-in-acute-inflammatory-demyelinating-polyradiculoneuropathy-variant-of-guillain-barre-syndrome-in-the-pakistani-population%C3%A2-%C3%A2-a-comparison-with-global-data
#10
REVIEW
Ahmad Wali, Dureshahwar Kanwar, Safoora A Khan, Sara Khan
Acute inflammatory demyelinating polyradiculoneuropathy (AIDP) and acute motor axonal neuropathy are the most common variants of Guillian-Barre syndrome documented in the Asian population. However, the variability of early neurophysiologic findings in the Asian population compared to western data has not been documented. Eighty-seven cases of AIDP were retrospectively reviewed for their demographic, clinical, electrophysiological, and laboratory data. Mean age of subjects was 31 ± 8 years with males more commonly affected...
November 1, 2017: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/29075520/the-feasibility-of-using-high-resolution-ultrasonography-to-assess-ulnar-nerve-in-patients-with-diabetes-mellitus
#11
Jun Chen, Chun-Lei Wang, Shan Wu, Shan He, Jun Ren
OBJECTIVE: The aim of this study was to investigate the usefulness of high-resolution ultrasonography for the diagnosis of polyneuropathy in diabetes mellitus patients by the examination of the ulnar nerves. METHOD: We recruited 100 healthy age-matched volunteers (50 women and 50 men) with 200 arms without diabetes or cubital tunnel syndrome as the control group. We assessed the upper limbs of 100 diabetes mellitus patients (45 women and 55 men), 40 of whom had electrophysiologically confirmed diabetic peripheral neuropathy and 60 had no diabetic peripheral neuropathy in the upper limbs...
September 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/29026818/variations-in-the-anatomical-structures-of-the-guyon-canal
#12
Zahir T Fadel, Osama A Samargandi, David T Tang
BACKGROUND: Compression neuropathy of the ulnar nerve at the Guyon canal is commonly seen by hand surgeons. Different anatomical variations of structures related to the Guyon canal have been reported in the literature. A thorough knowledge of the normal contents and possible variations is essential during surgery and exploration. OBJECTIVES: To review the recognized anatomical variations within and around the Guyon canal. METHODS: This study is a narrative review in which relevant papers, clinical studies, and anatomical studies were selected by searching electronic databases (PubMed and EMBASE)...
May 2017: Plastic Surgery
https://www.readbyqxmd.com/read/29022039/paediatric-supracondylar-humeral-fractures-a-technique-for-safe-medial-pin-passage-with-zero-incidence-of-iatrogenic-ulnar-nerve-injury
#13
Chin Yee Woo, Han Loong Ho, Mohammad Bin Zainuddin Ashik, Kevin Boon Leong Lim
INTRODUCTION: The cross Kirschner wire (k-wire) configuration in closed reduction and percutaneous pinning of paediatric supracondylar humeral fracture afford superior stability. However, medial pin placement presents a risk of iatrogenic ulnar nerve injury. This study describes, in step-by-step detail, another safe method of percutaneous medial pin insertion. METHODS: The technique involved placing the patient's arm in external rotation, with elbow flexed no more than 45° after closed reduction...
October 12, 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/28987902/comparison-of-ultrasonography-and-short-segment-nerve-conduction-study-in-ulnar-neuropathy-at-the-elbow
#14
Rana Terlemez, Figen Yilmaz, Beril Dogu, Banu Kuran
OBJECTIVE: To assess the correlation between ultrasonographic and electrodiagnostic findings to determine the localization of the ulnar trapping at the elbow. DESIGN: Cross-sectional and noninterventional trial. SETTING: Physical medicine and rehabilitation department of a teaching hospital. PARTICIPANTS: Patients (N=14) diagnosed with ulnar nerve entrapment using short-segment nerve conduction study. INTERVENTIONS: The elbow area was divided into 4 segments with 2-cm intervals...
January 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28987654/high-resolution-ultrasound-in-etiological-evaluation-of-ulnar-neuropathy-at-the-elbow
#15
Mathieu Schertz, Celine Mutschler, Emmanuel Masmejean, Jonathan Silvera
OBJECTIVE: Ulnar neuropathy at the elbow (UNE) involves mechanical compression and irritation of the ulnar nerve (UN) caused by environmental and dynamic abnormalities that can however also be found in asymptomatic patients. Using high-resolution ultrasound, we aimed to assess and compare the relevance of morphological and dynamic variants of the UN and its surrounding structures (UN abnormalities) in symptomatic and asymptomatic patients. METHOD: UN abnormalities in patients with UNE were assessed using high-resolution ultrasound and compared against unaffected arms (patients or healthy volunteers)...
October 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28976477/diagnostic-value-of-magnetic-resonance-neurography-in-cervical-radiculopathy-plexus-patterns-and-peripheral-nerve-lesions
#16
Daniel Schwarz, Henrich Kele, Moritz Kronlage, Tim Godel, Tim Hilgenfeld, Martin Bendszus, Philipp Bäumer
OBJECTIVE: The aim of this study was to assess the imaging appearance and diagnostic value of plexus and peripheral nerve magnetic resonance neurography (MRN) in cervical radiculopathy. MATERIALS AND METHODS: This prospective study was approved by our institutional ethics committee and written informed consent was obtained from all participants. A total of 24 patients were included with a diagnosis of cervical radiculopathy based on clinical examination, supporting electrophysiological examinations and spinal imaging consistent with the clinical syndrome...
October 2, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28972898/neurophysiological-localisation-of-ulnar-neuropathy-at-the-elbow-validation-of-diagnostic-criteria-developed-by-a-taskforce-of-the-danish-society-of-clinical-neurophysiology
#17
K Pugdahl, S Beniczky, B Wanscher, B Johnsen, E Qerama, M Ballegaard, K Benedek, A Juhl, M Ööpik, P Selmar, J Sønderborg, D Terney, A Fuglsang-Frederiksen
OBJECTIVE: This study validates consensus criteria for localisation of ulnar neuropathy at elbow (UNE) developed by a taskforce of the Danish Society of Clinical Neurophysiology and compares them to the existing criteria from the American Association of Neuromuscular and Electrodiagnostic Medicine (AANEM). The Danish criteria are based on combinations of conduction slowing in the segments of the elbow and forearm expressed in Z-scores, and difference between the segments in m/s. Examining fibres to several muscles and sensory fibres can increase the certainty of the localisation...
September 9, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28964676/ulnar-neuropathy-and-medial-elbow-pain-in-women-s-fastpitch-softball-pitchers-a-report-of-6-cases
#18
Adam M Smith, Thomas H Butler, Michael S Dolan
BACKGROUND: Elite-level women's fastpitch softball players place substantial biomechanical strains on the elbow that can result in medial elbow pain and ulnar neuropathic symptoms. There is scant literature reporting the expected outcomes of the treatment of these injuries. This study examined the results of treatment in a series of these patients. METHODS: We identified 6 female softball pitchers (4 high school and 2 collegiate) with medial elbow pain and ulnar neuropathic symptoms...
September 27, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28958781/a-look-inside-the-nerve-morphology-of-nerve-fascicles-in-healthy-controls-and-patients-with-polyneuropathy
#19
Alexander Grimm, Natalie Winter, Tim W Rattay, Florian Härtig, Nele M Dammeier, Eva Auffenberg, Marilin Koch, Hubertus Axer
OBJECTIVE: Polyneuropathies are increasingly analyzed by ultrasound. Summarizing, diffuse enlargement is typical in Charcot-Marie Tooth type 1 (CMT1a), regional enlargement occurs in inflammatory neuropathies. However, a distinction of subtypes is still challenging. Therefore, this study focused on fascicle size and pattern in controls and distinct neuropathies. METHODS: Cross-sectional area (CSA) of the median, ulnar and peroneal nerve (MN, UN, PN) was measured at predefined landmarks in 50 healthy controls, 15 CMT1a and 13 MMN patients...
September 19, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28953520/an-evaluation-of-different-bridging-techniques-for-short-nerve-gaps
#20
Imran Ahmad, Mohd Altaf Mir, Arshad Hafeez Khan
BACKGROUND: In this study, we investigated sensory and motor outcomes for different bridging techniques for short nerve gaps. MATERIAL AND METHODS: This study was conducted in the Postdoctoral Department of Burns, Plastic, and Reconstructive Surgery of our institution from August 2014 to May 2017. All patients with posttraumatic short nerve gaps of 3 cm or less of median, ulnar, and/or both in forearm and wrists were included in the study. Patients with known causes of neuropathies were excluded...
November 2017: Annals of Plastic Surgery
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