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Ulnar nerve

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https://www.readbyqxmd.com/read/28319875/electrophysiologic-features-of-ulnar-neuropathy-in-childhood-and-adolescence
#1
Ioannis Karakis, Wendy Liew, Heather Szelag Fournier, H Royden Jones, Basil T Darras, Peter B Kang
OBJECTIVE: To analyze patterns of nerve injury in pediatric ulnar neuropathy (PUN). METHODS: Retrospective analysis of 49 children with PUN. RESULTS: Sensory loss in digit V was the prevailing complaint (89%). Predominant localization was at the elbow (55%). Diminished ulnar SNAP was the most common abnormality (71%) with median axon loss estimate (MAXE) of 62%. Dorsal ulnar cutaneous (DUC) sensory nerve action potential (SNAP) was reduced in 55% with MAXE of 43%...
February 20, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28318740/upper-limb-dimelia
#2
Takehiko Takagi, Ayano Nojiri, Atsuhito Seki, Shinichiro Takayama, Masahiko Watanabe
A patient with upper limb dimelia including a double scapula, humerus, radius, and ulna, 11 metacarpals and digits (5 on the superior side, 6 on the inferior side) was treated with a simple amputation of the inferior limb resulting in cosmetic improvement and maintenance of range of motion in the preserved limb. During the amputation, the 2 limbs were found to be anatomically separate except for the ulnar nerve, which, in the superior limb, bifurcated into the sensory branch of radial nerve in the inferior limb, and the brachial artery, which bifurcated into the radial artery...
March 16, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28317656/the-sensory-function-of-the-uninjured-nerve-in-patients-after-median-and-ulnar-nerve-injury
#3
Marcin Ceynowa, Rafał Pankowski, Marek Rocławski, Tomasz Mazurek
STUDY DESIGN: A retrospective cohort study. INTRODUCTION: Some patients after median or ulnar nerve injury report a diminished sensibility in the fingers that are supplied by the uninjured nerve. PURPOSE OF THE STUDY: The purpose of this study was to evaluate the function of the uninjured nerve in patients after peripheral nerve injury to assess the presence and degree of its functional impairment. METHODS: There were 28 patients with median and 29 patients with ulnar nerve injury examined for sensory disturbances in the injured and uninjured nerves, using several tests assessing touch, temperature, and vibration sensibility...
January 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28317653/clinical-relevance-commentary-in-response-to-the-sensory-function-of-the-uninjured-nerve-in-patients-after-median-and-ulnar-nerve-injury
#4
Kristin Valdes
No abstract text is available yet for this article.
January 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28314869/-operative-treatment-of-terrible-triad-injury-of-the-elbow-open-reduction-and-internal-fixation
#5
R Babst, C Schraner, F J P Beeres
AIM OF SURGERY: Reconstruction of the most important ligamentous and osseus structures of the elbow after terrible triad injury via the radial head to the lateral collateral ligament complex (LCL) and if necessary beginning at the coronoid process. The aim is a stable concentrically guided elbow with early functional follow-up treatment. The approach depends on the intraoperatively tested stability. INDICATIONS: Osteoligamentous terrible triad injury pattern with or without subluxation position following reduction and temporary immobilization...
March 17, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28301890/kasuistik-late-onset-small-fiber-neuropathie-nach-kritischer-erkrankung
#6
Susanne Koch, Rabih Moshourab, Tobias Wollersheim, Claudia Spies, Thomas Fritzsche, Steffen Weber-Carstens
A 42-year-old patient presented with acute allodynia and hyperalgesia in her distal limbs, most severe in the innervation area of the ulnar nerve. The patient developed critical illness myopathy/polyneuropathy after septic shock 5 months prior to her presentation. After exclusion of differential diagnosis, "late onset small fiber neuropathy" after critical illness was diagnosed. Recent studies showed small fiber lesions during critical illness and in follow-up exams, where additionally neuropathic pain were proved...
March 2017: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/28297826/-sample-size-for-the-estimation-of-f-wave-parameters-in-healthy-volunteers-and-amyotrophic-lateral-sclerosis-patients
#7
J Fang, L Y Cui, M S Liu, Y Z Guan, Q Y Ding, H Du, B H Li, S Wu
Objective: The study aimed to investigate whether sample sizes of F-wave study differed according to different nerves, different F-wave parameters, and amyotrophic lateral sclerosis(ALS) patients or healthy subjects. Methods: The F-waves in the median, ulnar, tibial, and deep peroneal nerves of 55 amyotrophic lateral sclerosis (ALS) patients and 52 healthy subjects were studied to assess the effect of sample size on the accuracy of measurements of the following F-wave parameters: F-wave minimum latency, maximum latency, mean latency, F-wave persistence, F-wave chronodispersion, mean and maximum F-wave amplitude...
March 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28293499/proximal-versus-distal-nerve-transfer-for-biceps-reinnervation-a-comparative-study-in-a-rat-s-brachial-plexus-injury-model
#8
Aleksandra M McGrath, Johnny Chuieng-Yi Lu, Tommy Naj-Jen Chang, Frank Fang, David Chwei-Chin Chuang
BACKGROUND: The exact role of proximal and distal nerve transfers in reconstruction strategies of brachial plexus injury remains controversial. We compared proximal with distal nerve reconstruction strategies in a rat model of brachial plexus injury. METHODS: In rats, the C6 spinal nerve with a nerve graft (proximal nerve transfer model, n = 30, group A) and 50% of ulnar nerve (distal nerve transfer model, n = 30, group B) were used as the donor nerves. The targets were the musculocutaneous nerve and the biceps muscle...
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28289869/topographical-relations-between-the-gantzer-s-muscle-and-neurovascular-structures
#9
Kiwook Yang, Soo-Jung Jung, Hyunsu Lee, In-Jang Choi, Jae-Ho Lee
PURPOSE: Gantzer's muscle (GM) is an additional muscle in the forearm, which develops as an accessory head of the flexor pollicis longus or the flexor digitorum profundus. The study aimed to determine the topography of the GM and to define the topographical relationship between the GM and the neurovascular structures surrounding it. METHODS: After confirming the presence of GM, its topography and the neurovascular structures were analyzed to determine the correlation between them in 73 upper limbs...
March 13, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28286203/association-between-manual-loading-and-newly-developed-carpal-tunnel-syndrome-in-subjects-with-physical-disabilities-a-follow-up-study
#10
Yen-Nung Lin, Chun-Chieh Chiu, Shih-Wei Huang, Wen-Yen Hsu, Tsan-Hon Liou, Yi-Wen Chen, Kwang-Hwa Chang
OBJECTIVE: To identify the association between body composition and newly developed carpal tunnel syndrome (CTS) and search for the best probabilistic cutoff value of associated factors to predict subjects with physical disabilities developing new CTS. DESIGN: Longitudinal. SETTING: A serial yearly physical check-up program for full-time employees of an organization. PARTICIPANTS: Forty-seven subjects with physical disabilities (mean age ±SD, 42...
March 9, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28276992/a-minimally-invasive-approach-for-cubital-tunnel-release-and-ulnar-nerve-transposition
#11
Xu Zhang, Vikas Dhawan, Yadong Yu, Guisheng Zhang, Xinzhong Shao
OBJECTIVES: The aim of the study is to introduce a new minimally invasive technique for ulnar nerve release and transposition. METHODS: From January 2010 to May 2011, 51 patients with cubital tunnel syndrome were treated through a 1.5 to 2 cm incision. Limb functional recovery, scar esthetics, sensitivity of scar, numbness of the operating area, and patient satisfaction were assessed. RESULTS: No wound hematoma nor infection was observed in the group...
February 22, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28272211/estimation-of-ultrasound-reference-values-for-the-ulnar-nerve-fascicular-number-and-cross-sectional-area-in-young-males-a-cross-sectional-study
#12
Mohamed Abdelmohsen Bedewi, Ahmed M M Yousef, Amr Adel Abd-Elghany, Mohamed Sherif El-Sharkawy, Ezzat M Awad
The objective of this study is to estimate the reference values for the number of fascicles and cross-sectional area (CSA) of the ulnar nerve at a single predetermined site by ultrasound in healthy young adult males.The demographic and physical characteristics of 50 adult male volunteers were evaluated and recorded. The subjects were positioned supine with the elbow flexed at 90° and the palm of the hand placed on a hard surface. The ulnar nerve was scanned bilaterally 1 cm proximal to the medial epicondyle in projection of the cubital tunnel...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28269402/myoelectric-intuitive-control-and-transcutaneous-electrical-stimulation-of-the-forearm-for-vibrotactile-sensation-feedback-applied-to-a-3d-printed-prosthetic-hand
#13
Enrique I Germany, Esteban J Pino, Pablo E Aqueveque
This paper presents the development of a myoelectric prosthetic hand based on a 3D printed model. A myoelectric control strategy based on artificial neural networks is implemented on a microcontroller for online position estimation. Position estimation performance achieves a correlation index of 0.78. Also a study involving transcutaneous electrical stimulation was performed to provide tactile feedback. A series of stimulations with controlled parameters were tested on five able-body subjects. A single channel stimulator was used, positioning the electrodes 8 cm on the wrist over the ulnar and median nerve...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267271/do-we-underestimate-influences-of-diabetic-mononeuropathy-or-polyneuropathy-on-hand-functional-performance-and-life-quality
#14
Chien-Ju Yang, Hsiu-Yun Hsu, Chieh-Hsiang Lu, Yen-Li Chao, Haw-Yen Chiu, Li-Chieh Kuo
AIMS/INTRODUCTION: The purpose of this study is to identify whether there are differences in hand dexterity, hand functional performance and quality of life between diabetes hands with mononeuropathy and polyneuropathy to further present the importance regarding impacts of diabetic neuropathic deficits on patient's functional capacity. MATERIALS AND METHODS: The neurological deficits of 127 patients with type 2 diabetes were examined by electrophysiological tests for the median and ulnar nerves and were stratified into the diabetic mononeuropathy, diabetic polyneuropathy and non-diabetic neuropathy groups by sensory amplitude of these nerves...
March 7, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28264769/reproducibility-of-ultrasonographic-measurements-of-the-ulnar-nerve-at-the-cubital-tunnel
#15
Alexandra Fink, Marlijn Teggeler, Marc Schmitz, Jaap Janssen, Martijn Pisters
The cross-sectional area (CSA) of the ulnar nerve is thought to be indicative of ulnar nerve entrapment. The purpose of the study was to determine reproducibility of ultrasonographic measurements of CSA of the ulnar nerve at the cubital tunnel in healthy adults. Two sonographers tested 69 participants using a standardized protocol. The inter-rater reliability intra-class correlation coefficient was 0.63, and the intra-rater reliability intra-class correlation coefficient was 0.85 for sonographer 1 and 0.88 for sonographer 2...
February 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28262383/nerve-transfer-versus-nerve-graft-for-reconstruction-of-high-ulnar-nerve-injuries
#16
Asser A Sallam, Mohamed S El-Deeb, Mohamed A Imam
PURPOSE: To assess the efficacy of nerve transfer versus nerve grafting in restoring motor and sensory hand function in patients with complete, isolated high ulnar nerve injuries. METHODS: A retrospective chart review was performed, at a minimum 2 years of follow-up, of 52 patients suffering complete, isolated high ulnar nerve injury between January 2006 and June 2013 in one specialized hand surgery unit. Twenty-four patients underwent motor and sensory nerve transfers (NT group)...
March 2, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28258868/rates-of-complications-and-secondary-surgeries-after-in%C3%A2-situ-cubital-tunnel-release-compared-with-ulnar-nerve-transposition-a-retrospective-review
#17
Dafang Zhang, Brandon E Earp, Philip Blazar
PURPOSE: The purpose of this study was to contrast the rate and types of complications and secondary surgeries for in situ cubital tunnel release and ulnar nerve transposition. METHODS: A retrospective cohort study was performed by query of hospital billing records for all patients who underwent cubital tunnel surgery from August 2008 to July 2013, yielding 421 patients. Exclusion criteria were acute trauma, revision surgery, neoplasm, age younger than 18 years, incomplete records, and postoperative follow-up less than 3 months...
February 28, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28251323/bilateral-position-related-ulnar-neuropathy-at-elbow-in-pediatric-population-and-review-of-the-literature
#18
REVIEW
Mariana Balikova, Marta Neklanova, Igor Sulla, Martin Hönig, Jan Halek, Vladimir Mihal, Vladimir Balik
Perioperative ulnar neuropathies attributed to inappropriate arm positioning and padding during surgical procedures are commonly found in adults. However, their extremely rare incidence in the pediatric population may cause absent awareness of the risk of nerve injury in anesthetized pediatric patients. Furthermore, young patients respond to conservative treatment of neuropathy less favorably than adults and their response also depends on the pathomechanism of the ulnar nerve injury. A surgeon's or anesthetist's failure to recognize all of these specifics in children may result in substantial morbidity of young patients leading to lawsuits...
March 1, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28250760/transfer-of-the-extensor-indicis-proprius-branch-of-posterior-interosseous-nerve-to-reconstruct-ulnar-nerve-and-median-nerve-injured-proximally-an-anatomical-study
#19
Pei-Ji Wang, Yong Zhang, Jia-Ju Zhao, Ju-Pu Zhou, Zhi-Cheng Zuo, Bing-Bing Wu
Proximal or middle lesions of the ulnar or median nerves are responsible for extensive loss of hand motor function. This occurs even when the most meticulous microsurgical techniques or nerve grafts are used. Previous studies had proposed that nerve transfer was more effective than nerve grafting for nerve repair. Our hypothesis is that transfer of the posterior interosseous nerve, which contains mainly motor fibers, to the ulnar or median nerve can innervate the intrinsic muscles of hands. The present study sought to investigate the feasibility of reconstruction of the deep branch of the ulnar nerve and the thenar branch of median nerve by transferring the extensor indicis proprius branch of the posterior interosseous nerve obtained from adult cadavers...
January 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28247942/superficial-ulnar-nerve-articular-branch-more-than-arcane-trivia
#20
EDITORIAL
Thomas J Wilson, Kimberly K Amrami, Robert J Spinner
No abstract text is available yet for this article.
March 1, 2017: Clinical Anatomy
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