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https://www.readbyqxmd.com/read/28549364/-an-option-to-restore-ulnar-intrinsic-muscles-when-the-anterior-interosseus-nerve-is-not-available
#1
G A González-Trevizo
BACKGROUND: The peripheral nerve injuries are devastating for the patient; the classic reconstructive options are the Nerve Graft and Tendon Transfers. Lately the Nerve Transfers are being used more and more broadly. They are an excellent option on early injuries and when the motor plate is still alive. The advantages are numerous, because the functional recovery is much better. METHODS AND RESULTS: We report the case of a patient who sustained and injury on the median and ulnar nerve, so the EDQ and ECU branches were used to restore the Ulnar Intrinsic Function...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28538571/angiosome-based-allografts-vascularized-composite-allotransplantation-for-tailored-subunit-reconstruction-with-volkmann-ischemic-contracture-as-a-case-in-point
#2
G Ian Taylor, David S Sparks, Adam C Gascoigne, Russell J Corlett, Mark W Ashton
BACKGROUND: As we enter an age with new approaches to tissue reconstruction, the emphasis on the adage "like for like" has become even more relevant. This study illustrates the potential for several tailored vascularized composite allotransplantation reconstructive techniques and, in particular, for the management of Volkmann contracture. METHODS: Twenty fresh cadaver dissections and 30 archival lead oxide radiographic studies were examined to (1) identify potential upper limb vascularized composite allotransplantation donor sites (i...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28538530/clinical-assessment-and-diagnostics-of-patients-with-hand-disorders-a-case-study-approach
#3
Mabel Qi He Leow, Rebecca Qian Ru Lim, Shian Chao Tay
Clinical assessment of the hand is important for diagnosing underlying hand disorders. Using a case study approach, the clinical assessment for three disorders of the hands is presented: trigger finger (stenosing tenosynovitis), carpal tunnel syndrome, and ulnar-sided wrist injury (styloid impingement). We assess the annular one pulley and finger range of motion for patients with trigger finger. To diagnose for carpal tunnel syndrome, assessment for Tinel's sign, Phalen's sign, abductor pollicis brevis muscle bulk, two-point discrimination, and obtaining a nerve conduction study are performed...
May 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28533621/correlations-between-slow-rate-repetitive-nerve-stimulation-and-characteristics-associated-with-amyotrophic-lateral-sclerosis-in-chinese-patients
#4
Yan Wang, Zheman Xiao, Hong Chu, Jingjing Liang, Xu Wu, Hongjuan Dong, Yang Yan, Zuneng Lu
[Purpose] To clarify the features associated with decrements in compound muscle action potentials (CMAP) during slow-rate repetitive nerve stimulation (RNS) of muscles involved in amyotrophic lateral sclerosis (ALS) in mainland China. [Subjects and Methods] A retrospective study of decremental responses to slow-rate RNS was performed to compare patients with ALS to those with myasthenia gravis (MG). [Results] A significant decrement (>5%) was observed in at least one muscle in 54% of ALS patients. The trapezius muscle was the most commonly affected (67%)...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28528878/occupational-prognosis-factors-for-ulnar-nerve-entrapment-at-the-elbow-a-systematic-review
#5
M Fadel, R Lancigu, G Raimbeau, Y Roquelaure, A Descatha
Although ulnar nerve entrapment is the second most common entrapment neuropathy, there is a dearth of studies identifying occupational prognosis factors. We carried out a systematic review of the occupational prognosis factors for ulnar nerve entrapment in order to identify professions at risks and allow better follow-up for their workers. Using the key words, "ulnar OR cubital", "neuropathy OR tunnel", and "work OR occupational" without limitations, original prospective studies were selected from four databases (PubMed, Embase, Web of Science, Cochrane Library) after two rounds (valid design, valid prognosis outcome reported, valid work exposure)...
May 18, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28522988/multiple-sites-ultrasonography-of-peripheral-nerves-in-differentiating-charcot-marie-tooth-type-1a-from-chronic-inflammatory-demyelinating-polyradiculoneuropathy
#6
Jingwen Niu, Liying Cui, Mingsheng Liu
INTRODUCTION: Multiple sites measurement of cross-sectional areas (CSA) by ultrasound was performed to differentiate Charcot-Marie-Tooth type 1A (CMT1A) and chronic inflammatory demyelinating polyradiculoneuropathy (CIDP). METHODS: Nine patients with CMT1A, 28 patients with CIDP, and 14 healthy controls (HC) were recruited prospectively. Consecutive ultrasonography scanning was performed from wrist to axilla on median and ulnar nerves. CSAs were measured at 10 predetermined sites of each nerve...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28513860/cortical-contributions-to-sensory-gating-in-the-ipsilateral-somatosensory-cortex-during-voluntary-activity
#7
Yuming Lei, Monica A Perez
An important principle in the organization of the somatosensory cortex is that it processes afferent information from the contralateral side of the body. The role of the ipsilateral somatosensory cortex (iS1) in sensory gating in humans remains largely unknown. Using electroencephalographic recordings over the iS1 and electrical stimulation of the ulnar nerve at the wrist we examined somatosensory evoked potentials (SSEPs; P14/N20, N20/P25, and P25/N33 components) and paired-pulse SSEPs between (interhemispheric inhibition) and within (intracortical inhibition) the iS1 at rest and during tonic index finger voluntary activity...
May 17, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28503939/clarification-of-eponymous-anatomical-terminology-structures-named-after-dr-geoffrey-v-osborne-that-compress-the-ulnar-nerve-at-the-elbow
#8
Arvin R Wali, Brandon Gabel, Madhawi Mitwalli, R Shane Tubbs, Justin M Brown
BACKGROUND: In 1957, Dr Geoffrey Osborne described a structure between the medial epicondyle and the olecranon that placed excessive pressure on the ulnar nerve. Three terms associated with such structures have emerged: Osborne's band, Osborne's ligament, and Osborne's fascia. As anatomical language moves away from eponymous terminology for descriptive, consistent nomenclature, we find discrepancies in the use of anatomic terms. This review clarifies the definitions of the above 3 terms...
May 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28503463/optimal-radial-motor-nerve-conduction-study-using-ultrasound-in-healthy-adults
#9
Jungho Yeo, Yuntae Kim, Sooa Kim, Kiyoung Oh, Hyungdong Kang
OBJECTIVE: To obtain reference values, to suggest optimal recording and stimulation site for radial motor nerve conduction study (RmNCS), and to analyze the correlation among RmNCS parameters, demographics and ultrasonography (US) findings. METHODS: A total of 55 volunteers participated in this study. We hypothesized that 'lateral edge of spiral groove (A)' was the optimal stimulation site, and the 'largest cross-sectional area (CSA) of extensor indicis proprius (EIP) muscle (B)' was the optimal recording site...
April 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28503341/peripheral-and-central-nervous-system-involvement-in-recently-diagnosed-cases-of-hypothyroidism-an-electrophysiological-study
#10
N Gupta, M Arora, R Sharma, K S Arora
BACKGROUND: Hypothyroidism, one of the most common endocrine disorders, may induce neurological abnormalities at an early stage of the disease. AIM: The study was designed to assess the electrophysiological alterations of some selected variables of nerve conduction, brainstem auditory evoked potentials (BAEPs), and visual evoked potentials (VEPs) in hypothyroid patients. SUBJECTS AND METHODS: Sixty patients of newly diagnosed hypothyroidism and an equal number of age-matched controls were selected for the study...
September 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28502561/acute-hydrocephalus-due-to-a-primary-malignant-peripheral-nerve-sheath-tumor-of-the-cervicothoracic-junction-a-case-report-and-review-of-the-literature
#11
Y Samanci, H S Togay, R Yakar, F Kabukcuoglu, S E Celik
BACKGROUND: The estimated incidence of malignant nerve sheath tumors is 0.001% per year, and only 2-3% of those tumors involve the spinal nerves. We present a rare case of acute hydrocephalus caused by primary malignant peripheral nerve sheath tumor of the cervicothoracic junction. CASE DESCRIPTION: A 29-year-old previously healthy male patient, except for a history of two previous surgeries for ulnar nerve entrapment and progressive left upper extremity weakness, presented with acute onset somnolence...
May 11, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28501137/supinator-to-ulnar-nerve-transfer-via-in-situ-anterior-interosseous-nerve-bridge-to-restore-intrinsic-muscle-function-in-combined-proximal-median-and-ulnar-nerve-injury-a-novel-cadaveric-study
#12
Hamid Namazi, Shahin HajiVandi
BACKGROUND: In cases of high ulnar nerve palsy, result of nerve repair in term of intrinsic muscle recovery is unsatisfactory. Distal nerve transfer can diminish the regeneration time and improve the results. But, there was no perfect distal nerve transfer for restoring intrinsic hand function in combined proximal median and ulnar nerve injuries. This cadaveric study aims to evaluate the possibility and feasibility of supinator nerve transfer to motor branch of ulnar nerve (MUN). METHODS: Ten cadaveric upper limbs dissected to identify the location of the supinator branch, anterior interosseous nerve (AIN), and MUN...
May 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28498283/synovial-sarcoma-of-peripheral-nerves-analysis-of-15-cases
#13
John S A Chrisinger, Usama I Salem, Lars-Gunnar Kindblom, Behrang Amini, Magnus Hansson, Jeanne M Meis
Synovial sarcoma of peripheral nerve (SSPN) is rare with only 26 cases reported in English. SSPN is often mistaken for a benign or malignant peripheral nerve sheath tumor (PNST) by clinicians and pathologists. Fifteen cases of SSPN were retrieved from the pathology files of 3 institutions. All tumors arose in a nerve based on imaging and/or operative findings and the diagnoses were histologically confirmed. Neuropathic symptoms predominated in 11 women and 4 men, 19- to 62-year-old (median, 39 years) with tumors involving the ulnar (5), median (3), peroneal (3) or sciatic (2) nerve, or the L4 or T1 nerve root (2)...
May 11, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28491453/surgical-management-of-medial-humeral-epicondylitis-cubital-synovial-osteochondromatosis-and-humeroradial-subluxation-in-a-cat
#14
Karen L Perry
CASE SUMMARY: A 13-year-old domestic shorthair cat presented for evaluation of pain and difficulty ambulating. Orthopedic examination and CT facilitated a diagnosis of bilateral elbow synovial osteochondromatosis with medial humeral epicondylitis and concurrent osteoarthritis. Right humeroradial subluxation was evident on CT images, but no instability was evident preoperatively. Surgical treatment was elected, including external neurolysis of the ulnar nerve, removal of the areas of mineralization within the flexor carpi ulnaris muscle and medial arthrotomy to remove intra-articular mineralized bodies...
January 2017: JFMS Open Rep
https://www.readbyqxmd.com/read/28489144/modified-simple-decompression-in-the-treatment-of-cubital-tunnel-syndrome-avoiding-ulnar-nerve-subluxation
#15
Marcus André Acioly, Amanda Mendes Soares, Mariana Lopes de Almeida, Renata Barbosa, Egon Daxbacher, Carlos Henrique Carvalho
Objective: In this study, we propose a modification to the simple decompression technique that contains the ulnar nerve in the cubital fossa, thus preventing subluxation during forearm flexion movements. Methods: Five consecutive patients with leprosy-associated cubital tunnel syndrome underwent surgery with the modified technique between July 2011 and October 2012. Results: The most common symptoms were neuropathic pain and sensory changes (both 60%)...
April 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28488619/peripheral-nerve-injuries-a-retrospective-survey-of-1124-cases
#16
João A Kouyoumdjian, Carla R Graça, Vanessa F M Ferreira
BACKGROUND: Peripheral nerve injuries (PNIs) remain an important health problem often leading to severe motor disabilities predominantly in the younger population. OBJECTIVE: To analyze our experience of clinical and electrodiagnostic evaluation (EDX) of PNIs over a 26-year period. MATERIALS AND METHODS: Between 1989 and 2014, 1124 consecutive patients with 1418 PNIs were referred for clinical as well as EDX evaluation. These PNIs involved upper and lower limbs as well as the facial nerves...
May 2017: Neurology India
https://www.readbyqxmd.com/read/28479223/the-frequency-of-carpal-tunnel-syndrome-in-hurler-syndrome-after-peritransplant-enzyme-replacement-therapy-a-retrospective-comparison
#17
Mitchell L Wyffels, Paul J Orchard, Ryan M Shanley, Weston P Miller, Ann E Van Heest
PURPOSE: Children with Hurler syndrome (HS) develop carpal tunnel syndrome (CTS) owing to glycosaminoglycan deposition secondary to enzyme deficiency. Advancement in the treatment of the underlying enzyme deficiency now commonly includes peritransplant intravenous enzyme replacement therapy (ERT). The primary objective of this study was to determine if the use of limited ERT in addition to hematopoietic stem cell transplantation (HCT) for the treatment of children with HS reduces the incidence of surgical intervention for CTS compared with a cohort of historical controls treated with HCT alone...
May 4, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28475798/the-surgical-management-of-symptomatic-benign-peripheral-nerve-sheath-tumors-of-the-neck-and-extremities-an-experience-of-442-cases
#18
Ketan I Desai
BACKGROUND: The occurrence of benign peripheral nerve sheath tumors (PNSTs) is not uncommon. The surgical excision of symptomatic benign PNSTs along with preservation of the affected nerve and its function is an ideal treatment option. OBJECTIVE: To analyze the outcome with respect to morbidity, extent of resection, and recurrence, and to review and compare our results with those reported in literature. METHODS: A retrospective review of clinical and radiological findings of 442 patients with benign PNSTs involving the neck and extremities treated surgically from 2000 to 2014 was performed...
May 5, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28472865/electrophysiological-features-of-poems-syndrome-compared-to-mgus-related-neuropathy
#19
Hyunjin Kim, Young-Min Lim, Joo Yea Jin, Dok Hyun Yoon, Cheolwon Suh, Sun-Young Kim, Jae-Cheol Jo, Kwang-Kuk Kim
INTRODUCTION: Polyneuropathy, organomegaly, endocrinopathy, M-protein, and skin changes (POEMS) syndrome and monoclonal gammopathy of undetermined significance (MGUS) are paraproteinemic disorders that can cause demyelinating polyneuropathy. Here, we assessed the findings of nerve conduction studies (NCSs) in patients with POEMS syndrome and MGUS-related neuropathy to determine whether the NCS characteristics can help differentiate between the conditions. METHODS: We enrolled 24 POEMS and 37 MGUS-related neuropathy patients...
May 4, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28472860/peripheral-nerve-atrophy-together-with-higher-cerebrospinal-fluid-progranulin-indicate-axonal-damage-in-amyotrophic-lateral-sclerosis
#20
Stefanie Schreiber, Grazyna Debska-Vielhaber, Susanne Abdulla, Judith Machts, Frank Schreiber, Siegfried Kropf, Peter KÖrtvelyessy, Sonja KÖrner, Katja Kollewe, Susanne Petri, Reinhard Dengler, Wolfram S Kunz, Peter J Nestor, Stefan Vielhaber
INTRODUCTION: We aimed to investigate whether sonographic peripheral cross-sectional nerve area (CSA) and progranulin (PGRN), a neuritic growth factor, are related to each other and whether they interact to predict clinical and paraclinical measures in amyotrophic lateral sclerosis (ALS). METHODS: We included 55 ALS patients who had forearm median and ulnar nerve CSA, cerebrospinal fluid (CSF) PGRN, and serum PGRN measures available. CSF PGRN was normalized against the CSF / serum albumin ratio (Qalb )...
May 4, 2017: Muscle & Nerve
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