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ulnar nerve neuropathy

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https://www.readbyqxmd.com/read/29124342/connections-between-radial-and-ulnar-nerve-at-high-humeral-level-in-cadavers-incidence-topography-and-literature-review
#1
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
#2
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-a-comparison-with-global-data
#3
Ahmed Wali, Sara Khan
Acute inflammatory demyelinating polyradiculoneuropathy (AIDP) and acute motor axonal neuropathy (AMAN) 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
#4
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
#5
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
#6
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
#7
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/28987654/high-resolution-ultrasound-in-etiological-evaluation-of-ulnar-neuropathy-at-the-elbow
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/28953087/cubital-tunnel-syndrome-current-concepts
#14
Jonathan Robert Staples, Ryan Calfee
Cubital tunnel syndrome is the second most common upper extremity compressive neuropathy. In recent years, rates of surgical treatment have increased, and the popularity of in situ decompression has grown. Nonsurgical treatment, aiming to decrease both compression and traction on the ulnar nerve about the elbow, is successful in most patients with mild nerve dysfunction. Recent randomized controlled trials assessing rates of symptom resolution and ultimate success have failed to identify a preferred surgical procedure...
October 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28890032/ulnar-nerve-entrapment-at-the-elbow-a-surgical-series-and-a-systematic-review-of-the-literature
#15
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/28856021/wrist-ultrasound-examination-scanning-technique-and-ultrasound-anatomy-part-2-ventral-wrist
#16
REVIEW
Cyprian Olchowy, Daniel Soliński, Mateusz Łasecki, Paweł Dąbrowski, Szymon Urban, Urszula Zaleska-Dorobisz
Ultrasound imaging of the musculoskeletal system is an important element of the diagnostic and therapeutic protocol. Clinical decisions, including those regarding surgical procedures, are often based solely on ultrasound imaging. However, detailed knowledge on the anatomy and a correct scanning technique are crucial for an accurate diagnosis. Modern ultrasonographic equipment allows obtaining detailed anatomical images of muscle tendons, ligaments, nerves and vessels of the carpal area. Ventral wrist ultrasound is one of the most common diagnostic procedures in patients with suspected carpal tunnel syndrome...
June 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28839321/late-onset-hirayama-disease-presenting-with-ulnar-neuropathy-a-case-report
#17
Meral Bilgilisoy Filiz, Tuncay Cakir, Naciye Fusun Toraman, Sebnem Koldas DoGan, Iclal Erdem Toslak, Hilmi Uysal
Hirayama disease (HD) was first reported by Hirayama et al. in 1959. The disease is considered as a type of benign focal motor neuron disease that primarily affects upper limbs of young males. In this case report, we present a man aged 40-years with rapidly progressive weakness and atrophy in his left hand. The findings of nerve conduction studies were consistent with left ulnar neuropathy at the elbow. Flexion magnetic resonance imaging (MRI) revealed minimal enlargement of the posterior epidural space and anterior displacement of the spinal cord...
August 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28832192/trends-in-the-surgical-treatment-for-cubital-tunnel-syndrome-a-survey-of-members-of-the-american-society-for-surgery-of-the-hand
#18
Ayesha Yahya, Andrew R Malarkey, Ryan L Eschbaugh, H Brent Bamberger
BACKGROUND: Cubital tunnel syndrome is the second most common compression neuropathy affecting the upper extremity. The aim of this study was to determine the preferred surgical treatment for cubital tunnel syndrome by members of the American Society for Surgery of the Hand (ASSH). METHODS: We invited members of the ASSH research mailing list to complete our online survey. They were presented with 6 hypothetical cases and asked to choose their preferred treatment from the following options: open in situ decompression, endoscopic decompression, submuscular transposition, subcutaneous transposition, medial epicondylectomy, and conservative management...
August 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28828220/a-waves-increase-the-risk-of-developing-neuropathy
#19
Iva Srotova, Eva Vlckova, Ladislav Dusek, Josef Bednarik
INTRODUCTION: A-waves, which are observed following the M-wave during motor nerve conduction studies (NCS), are late responses that are frequently found in many types of neurogenic disorders. However, A-waves are also common in healthy individuals, where their significance remains unclear. The aim of this study was to examine whether the occurrence of A-waves does in fact represent an increased risk for the future development of changes upon NCS or needle electromyography (EMG) in the corresponding nerve...
August 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28802056/different-nerve-ultrasound-patterns-in-charcot-marie-tooth-types-and-hereditary-neuropathy-with-liability-to-pressure-palsies
#20
Luca Padua, Daniele Coraci, Marta Lucchetta, Ilaria Paolasso, Costanza Pazzaglia, Giuseppe Granata, Mario Cacciavillani, Marco Luigetti, Fiore Manganelli, Chiara Pisciotta, Giuseppe Piscosquito, Davide Pareyson, Chiara Briani
INTRODUCTION: Nerve ultrasound in Charcot-Marie-Tooth (CMT) disease has focused mostly on the upper limbs. We performed an evaluation of a large cohort of CMT patients in which we sonographically characterized nerve abnormalities in different disease types, ages, and nerves. METHODS: Seventy patients affected by different CMT types and hereditary neuropathy with liability to pressure palsies (HNPP) were evaluated, assessing median, ulnar, fibular, tibial, and sural nerves bilaterally...
August 12, 2017: Muscle & Nerve
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