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Ulnar nerve

Paulo José Lorenzoni, Cláudia Suemi Kamoi Kay, Cristiane Cavalet, Raquel C Arndt, Lineu Cesar Werneck, Rosana Herminia Scola
The spectrum of clinical and electrophysiological features in hereditary neuropathy with liability to pressure palsies (HNPP) is broad. We analyze a series of Brazilian patients with HNPP. Correlations between clinical manifestations, laboratory features, electrophysiological analyze, histological and molecular findings were done. In five cases, more than one episode occurred before diagnosis. Median nerve in the carpal tunnel at the wrist, ulnar nerve in its groove at the elbow, fibular nerve in the head of the fibula at the knee, radial nerve in its groove of the humerus and suprascapular nerve in its notch at the supraspinous fossa were found as focal neuropathies...
September 30, 2016: Neurology International
Hatice Kose Ozlece, Nergiz Huseyinoglu, Mustafa Gok, Faik Ilik
PURPOSE: In this study, we evaluated the ulnar nerve of patients diagnosed with carpal tunnel syndrome (CTS) using electrophysiology and ultrasonography. METHODS: The study included 86 patients (136 hands) and 39 controls (78 hands) with normal electrophysiological assessment. According to Bland's classification, patients were divided into group 1 (grades 1-3 CTS) or group 2 (grades 4-6 CTS). The ulnar nerve was evaluated at the wrist using nerve conduction studies and ultrasonography...
October 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
Giampietro Zanette, Matteo F Lauriola, Stefano Tamburin
INTRODUCTION: The authors have recently tested a new electrodiagnostic technique for palmar proper digital nerves sensory nerve action potentials in normal controls. Here the authors explored whether it may offer additional information in comparison to mixed nerve wrist stimulation in a series of patients. METHODS: The authors recorded palmar proper digital nerves sensory nerve action potential to selective antidromic webspace stimulation in a group of 19 patients with suspected lesions of median and ulnar nerve hand sensory branches...
October 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
J K F Wong, C C Hsu, C H Lin, S H Lien, Y T Lin
BACKGROUND: Many techniques have been described to relieve the compression and reduce subluxation of the ulnar nerve following surgery. The subfascial anterior transposition of the ulnar nerve (SfATUN) is one described technique, but involves a long scar, risk of injury to the medial antebrachial cutaneous nerve, and possible nerve ischemia from anterior transposition. We assessed a more refined approach of endoscopy-assisted SfATUN for the treatment of cubital tunnel syndrome. METHODS: A consecutive case series of 21 patients (15 males and 6 females) with evidence of nerve subluxation after ulnar nerve decompression were operated using an endoscopy-assisted SfATUN...
September 16, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
Michael P Gaspar, Hesham M Abdelfattah, Ian W Welch, Michael M Vosbikian, Patrick M Kane, Mark S Rekant
BACKGROUND: Perineural scarring of the ulnar nerve is a predominant cause of symptom recurrence after surgical treatment for primary cubital tunnel syndrome (CuTS). We report our preliminary experience in revision ulnar nerve decompression and nerve wrapping with an amniotic membrane allograft adhesion barrier for treatment of recurrent CuTS. METHODS: We performed a retrospective review with prospective follow-up of patients with recurrent CuTS who were treated with revision neurolysis with amniotic membrane nerve wrapping...
October 14, 2016: Journal of Shoulder and Elbow Surgery
Brian M Ilfeld
A continuous peripheral nerve block (CPNB) consists of a percutaneously inserted catheter with its tip adjacent to a target nerve/plexus through which local anesthetic may be administered, providing a prolonged block that may be titrated to the desired effect. In the decades after its first report in 1946, a plethora of data relating to CPNB was published, much of which was examined in a 2011 Anesthesia & Analgesia article. The current update is an evidence-based review of the CPNB literature published in the interim...
October 3, 2016: Anesthesia and Analgesia
Bethel C A Osuagwu, Leslie Wallace, Mathew Fraser, Aleksandra Vuckovic
OBJECTIVE: To compare neurological and functional outcomes between two groups of hospitalised patients with subacute tetraplegia. APPROACH: Seven patients received 20 sessions of brain computer interface (BCI) controlled functional electrical stimulation (FES) while five patients received the same number of sessions of passive FES for both hands. The neurological assessment measures were event related desynchronization (ERD) during movement attempt, Somatosensory evoked potential (SSEP) of the ulnar and median nerve; assessment of hand function involved the range of motion (ROM) of wrist and manual muscle test...
October 14, 2016: Journal of Neural Engineering
Michele R Colonna, Giuseppe Tallarida, Francesco Stagno d'Alcontres, Salvatore Noto, Aurora Parodi, Alberto Tagliafico
Five years after both right ulnar and median nerve decompression for paraesthesias and palsy, a patient, coming from Nigeria but living in Italy, came to our unit claiming to have persistent pain and combined median and ulnar palsy. Under suspicion of leprosy, skin and left sural nerve biopsy were performed. Skin tests were negative, but Schwann cells resulted as positive for acid-fast bacilli (AFB), leading to the diagnosis of Pure Neuritic Leprosy (PNL). The patient was given PB multidrug therapy and recovered from pain in two months...
2016: Case Reports in Neurological Medicine
Daniel Bouton, Christine Ann Ho, Joshua M Abzug, Brian Brighton, Todd F Ritzman
Although flexion-type supracondylar humerus fractures account for a minority of all supracondylar humerus fractures, they warrant special attention because of their relatively high rate of requirement for open reduction and their potential for ulnar nerve injury or entrapment. The severity of flexion-type supracondylar humerus fractures may be difficult to appreciate on initial radiographs; therefore, surgeons must have a high index of suspicion in the evaluation of a patient who has a suspected flexion-type supracondylar humerus fracture...
February 15, 2016: Instructional Course Lectures
Michael C Nicoson, Michael J Franco, Thomas H Tung
BACKGROUND: With complete plexus injuries or late presentation, free functional muscle transfer (FFMT) becomes the primary option of functional restoration. Our purpose is to review cases over a 10-year period of free functioning gracilis muscle transfer after brachial plexus injury to evaluate the effect of different donor nerves used to reinnervate the FFMT on functional outcome. METHODS: A retrospective study from April 2001 to January 2011 of a single surgeon's practice was undertaken...
October 5, 2016: Microsurgery
Raju Vaishya, Vipul Vijay, Ram Sagar Pandit, Amit K Agarwal
INTRODUCTION: Fractures of the distal humerus are a rare entity accounting for approximately 2% of the humeral fractures. Non union of the distal humerus is further rare and poses a major challenge. These fractures usually respond to open reduction and bone grafting but some may fail multiple surgical attempts at union and hence are labelled as "resistant" non union. We report a case of resistant non union of the distal humerus which was managed by total elbow arthroplasty. CASE PRESENTATION: A 49-year-old male presented to the out patient department with history of a compound comminuted fracture of the distal end of the humerus approximately 25 years back...
April 2016: Journal of Orthopaedic Case Reports
Reza Shahryar-Kamrani, Hossein Saremi, Leila Oryadi-Zanjani, Mohammad Hossein Nabian, Azita Amoozadeh, Amir Hossein Moradi
BACKGROUND: Evolving wrist arthroscopy requires creating new portals, and creating portals reciprocally leads to increased indications for arthroscopic wrist procedures. To facilitate access to the lunate bone and fossa for new arthroscopic procedures, a new portal was used. This is a cadaveric study of this portal. OBJECTIVES: In this cadaveric study, we evaluated a portal in wrist arthroscopy for procedures involving the lunate bone and lunate fossa. MATERIALS AND METHODS: Seventeen wrists from 10 fresh cadavers were included in this study...
July 2016: Iranian Red Crescent Medical Journal
Y-P Jin, X-F Su, H-Q Li, J-D Wu, B Ding, R Sun, T Shan, L Ye, J-H Ma
Background: To determine the therapeutic efficacy and cost-effective of pancreatic kininogenase (PKase) on treatment of diabetic peripheral neuropathy (DPN) compared with Prostaglandin E1 (PGE1) in patients with type 2 diabetes. Methods: 104 patients with DPN receiving standard glucose control therapy were randomly assigned into 3 groups: Group-A received PKase treatment, Group-B received PGE1 treatment, and Group-C received only standard glucose control therapy. Michigan neuropathy screening instrument (MNSI) score, neurophysiology examination, and nerve conduction velocity were measured...
October 4, 2016: Experimental and Clinical Endocrinology & Diabetes
Hubert Lenoir, Louis Dagneaux, François Canovas, Thomas Waitzenegger, Thuy Trang Pham, Michel Chammas
BACKGROUND: Neurologic lesions are relatively common after total shoulder arthroplasty. These injuries are mostly due to traction. We aimed to identify the arm manipulations and steps during reverse total shoulder arthroplasty (RTSA) that affect nerve stress. METHODS: Stress was measured in 10 shoulders of 5 cadavers by use of a tensiometer on each nerve from the brachial plexus, with shoulders in different arm positions and during different surgical steps of RTSA...
September 30, 2016: Journal of Shoulder and Elbow Surgery
J-J Sinikumpu, S Victorzon, T Pokka, E-L Lindholm, T Peljo, W Serlo
AIMS: We present the clinical and radiographic outcome of 81 children with Gartland type I to III supracondylar humeral fractures at a minimum follow-up of ten years (mean 12.1 years; 10.3 to 16.1) following injury. PATIENTS AND METHODS: The clinical and functional outcomes are compared with normal age- and gender-matched individuals. The population-based study setting was first identified from the institutional registries; the rate of participation was 76%. Controls were randomly selected from Finnish National Population Registry...
October 2016: Bone & Joint Journal
Catherine Mercier, Martin Gagné, Karen T Reilly, Laurent J Bouyer
Sensorimotor integration is altered in people with chronic pain. While there is substantial evidence that pain interferes with neural activity in primary sensory and motor cortices, much less is known about its impact on integrative sensorimotor processes. Here, the short latency afferent inhibition (SAI) paradigm was used to assess sensorimotor integration in the presence and absence of experimental cutaneous heat pain applied to the hand. Ulnar nerve stimulation was combined with transcranial magnetic stimulation to condition motor evoked potentials (MEPs) in the first dorsal interosseous muscle...
2016: Brain Sciences
Ping Yeap Loh, Hiroki Nakashima, Satoshi Muraki
The present study investigated the effects of grip on changes in the median nerve cross-sectional area (MNCSA) and median nerve diameter in the radial-ulnar direction (D1) and dorsal-palmar direction (D2) at three wrist angles. Twenty-nine healthy participants (19 men [mean age, 24.2 ± 1.6 years]; 10 women [mean age, 24.0 ± 1.6 years]) were recruited. The median nerve was examined at the proximal carpal tunnel region in three grip conditions, namely finger relaxation, unclenched fist, and clenched fist. Ultrasound examinations were performed in the neutral wrist position (0°), at 30°wrist flexion, and at 30°wrist extension for both wrists...
2016: PeerJ
Emmanuel Masmejean, Thomas Bihel, Thibault Lafosse, Jérôme Pierrart, Jonathan Silvera, Olivier Mir, Thomas M Gregory
No abstract text is available yet for this article.
September 26, 2016: American Journal of Medicine
Y T Ren, F Cui, F Yang, Z H Chen, L Ling, X S Huang
Objective: To analyze the features of nerve conduction in patients with amyotrophic lateral sclerosis (ALS), and explore the correlation between compound muscle action potential (CMAP) amplitude and disease duration and revised amyotrophic lateral sclerosis functional rating scale (ALSFRS-R). Methods: Standard motor and sensory nerve conduction studies were performed in 154 patients with ALS. The following parameters were collected including CMAP amplitude, distal motor latency (DML), motor conduction velocity, sensory conduction velocity and sensory nerve action potential amplitude...
October 1, 2016: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
Hamid Reza Rostami, Malahat Akbarfahimi, Afsoon Hassani Mehraban, Ali Reza Akbarinia, Susan Samani
OBJECTIVE: To investigate effect of practice type during modified constraint-induced movement therapy on hand function in patients with chronic median and ulnar nerve injuries. DESIGN: A prospective, single-blinded, randomized controlled clinical trial. SETTING: Participants' private home. SUBJECTS: A convenience sample of 36 outpatient participants allocated randomly to three equal groups. INTERVENTIONS: Intervention groups underwent 3-hour intensive training of affected hand each day, 3-day a week, 4-week in association with immobilisation of healthy hand: occupation-based group practiced meaningful occupations while rote exercise-based group performed rote exercises during constraint-induced movement therapy...
September 28, 2016: Clinical Rehabilitation
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