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https://www.readbyqxmd.com/read/27912998/electrodiagnosis-in-cancer-rehabilitation
#1
REVIEW
Christian M Custodio
With numerous advancements in early detection and multimodal therapy, cancer has become a chronic disease. As the number of cancer survivors continues to increase, physiatrists and other neuromuscular disease specialists are more likely to encounter individuals with residual impairments, disabilities, and/or handicaps resulting from cancer or related treatments. The patient with cancer is especially prone to injury directed at the peripheral nervous system at multiple anatomic levels. Electrodiagnosis is an invaluable tool in the evaluation of neuromuscular disorders in this patient population...
February 2017: Physical Medicine and Rehabilitation Clinics of North America
https://www.readbyqxmd.com/read/27760069/electrodiagnosis-of-lesions-of-median-and-ulnar-nerve-hand-sensory-branches-a-case-series
#2
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
https://www.readbyqxmd.com/read/27750406/optimizing-electrodiagnosis-for-guillain-barr%C3%A3-syndrome-clues-from-clinical-practice
#3
Yusuf A Rajabally, Fu Liong Hiew
INTRODUCTION: The most efficient method of performing electrophysiology for Guillain-Barré syndrome (GBS) is unknown. METHODS: We retrospectively analyzed electrophysiological data of 97 consecutive GBS patients from Birmingham, U.K. (2001-12) studied ≤3 weeks post-onset. RESULTS: The sensitivity of electrophysiology for each GBS subtype was dependent on the tested upper and lower limb nerves. In acute inflammatory demyelinating polyneuropathy (AIDP), abnormalities were predominant in the arms, whereas leg abnormalities predominated in axonal GBS...
October 17, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27746763/zika-virus-and-guillain-barre-syndrome-is-there-sufficient-evidence-for-causality
#4
A Arturo Leis, Dobrivoje S Stokic
Worldwide concern over Zika virus causing Guillain-Barre syndrome (GBS) soared after recent reports that Zika-related weakness was due to GBS. A global strategic response plan was initiated with recommendations for at-risk countries to prepare for GBS. This plan has major economic implications, as nations with limited resources struggle to implement costly immunotherapy. Since confirmation of causality is prerequisite to providing specific management recommendations, it is prudent to review data endorsing a GBS diagnosis...
2016: Frontiers in Neurology
https://www.readbyqxmd.com/read/27617242/correlation-between-female-sex-hormones-and-electrodiagnostic-parameters-and-clinical-function-in-post-menopausal-women-with-idiopathic-carpal-tunnel-syndrome
#5
Azam Mohammadi, Mahshid Naseri, Hamid Namazi, Mohammad Javad Ashraf, Alireza Ashraf
OBJECTIVES: To investigate the role of sex-hormonal changes in idiopathic carpal tunnel syndrome (CTS) among post-menopausal women through measuring estrogen receptor (ER) expression in their transverse carpal ligament (TCL) and serum estrogen level, as well as determine the correlation between these factors and electrodiagnostic parameters and Boston score. METHODS: Biopsy samples of TCL were collected from 12 postmenopausal women who had undergone surgery for severe idiopathic CTS; control specimens were collected from 10 postmenopausal women without CTS who had undergone surgery for the other hand pathologies...
August 2016: Journal of Menopausal Medicine
https://www.readbyqxmd.com/read/27390694/prevalence-of-ulnar-to-median-nerve-motor-fiber-anastomosis-rich%C3%A3-cannieu-communicating-branch-in-hand-an-electrophysiological-study
#6
Tannaz Ahadi, Gholam Reza Raissi, Masood Yavari, Lobat Majidi
BACKGROUND: Two main muscles studied in the hand for evaluation of median nerve injuries are opponens pollicis (OP) and abductor pollicis brevis (APB). However, Riché-Cannieu communicating branch (RCCB) may limit the use of these muscles in electrodiagnosis. This condition is confusing in the case of median nerve injuries. This study was conducted to evaluate the prevalence of RCCB. METHODS: Twenty-three consecutive cases of complete median nerve injury were studied...
2016: Medical Journal of the Islamic Republic of Iran
https://www.readbyqxmd.com/read/27345002/premotor-potential-study-for-diagnosis-of-carpal-tunnel-syndrome
#7
Mitsuhiko Kodama, Michi Tochikura, Naoshi Shimoda, Chieko Fujii, Toshiyuki Fujiwara, Yoshihisa Masakado
INTRODUCTION: The second lumbrical-interossei latency difference test (2LINT) is used frequently for electrodiagnosis of carpal tunnel syndrome (CTS). A premotor potential observed with 2LINT has been identified as a median-nerve sensory nerve action potential. We evaluated the utility of the premotor potential latency analysis (i.e., premotor potential study; PPS) for CTS electrodiagnosis. METHODS: Sensitivity, specificity, and percentage "no evoked response" (%NER) values were compared prospectively among PPS, median-nerve sensory nerve-conduction studies (NCSs) for digits 1, 2, and 4, and palmar mixed NCS...
June 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27191660/interrater-reliability-of-electrodiagnosis-in-neonatal-brachial-plexopathy
#8
Mary Catherine Spires, Spencer M Brown, Kate Wan-Chu Chang, James A Leonard, Lynda J-S Yang
INTRODUCTION: We investigated interrater reliability of overall assessment of nerve root lesions by electrodiagnostic testing (EDX) in neonatal brachial plexus palsy (NBPP). METHODS: Two blinded, board-certified reviewers retrospectively reviewed de-identified EDX data from 37 infants with NBPP for 2005-2012. Only nerve conduction and electromyography needle data were included. The examiners independently assigned 1 of 4 nerve root lesion categories: 1) normal, pre-ganglionic lesion (avulsion), 2) post-ganglionic lesion (rupture), 3) normal, or 4) "unable to determine...
May 18, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27187133/ultrasound-evaluation-of-focal-neuropathies-correlation-with-electrodiagnosis
#9
Admir Hadzic, Catherine Vandepitte, Ammar Salti, Jeroen Boons, Kamen Vlassakov, Thomas Clark
No abstract text is available yet for this article.
June 2016: Anesthesiology
https://www.readbyqxmd.com/read/27175564/case-report-of-lewis-and-sumner-syndrome-with-bilateral-vagus-nerves-paralysis-for-16-years
#10
Attiyeh Vasaghi, Alireza Ashraf, Alireza Shirzadi, Peyman Petramfar
This report describes a patient with dysphonia for 16 years in combination with asymmetric and progressive decrease in sense and power of both upper and lower extremities for the past 3 years. Electrophysiological study revealed asymmetric conduction block and abnormal sensory action potential in 4 limbs. The vagus nerves palsy and abnormal electrodiagnosis of the limbs led us to diagnose the disease as Lewis and Sumner syndrome, also called multifocal acquired demyelinating sensory and motor neuropathy diagnosis, which improved by corticosteroid consumption to some extent...
December 2016: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/27117334/lower-motor-neuron-dysfunction-in-als
#11
REVIEW
Mamede de Carvalho, Michael Swash
In the motor system there is a complex interplay between cortical structures and spinal cord lower motor neurons (LMN). In this system both inhibitory and excitatory neurons have relevant roles. LMN loss is a marker of motor neuron disease/amyotrophic lateral sclerosis (MND/ALS). Conventional needle electromyography (EMG) does not allow LMN loss to be quantified. Measurement of compound muscle action potential (CMAP) amplitude or area, and the neurophysiological index, provide a surrogate estimate of the number of functional motor units...
July 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27035247/ultrasound-in-neuromuscular-disorders
#12
Hans D Katzberg, Vera Bril, Ari Breiner
Electrodiagnosis with nerve conduction studies and needle electromyography has been the standard method of diagnosis of neuromuscular conditions for over 80 years. Although ultrasound technology has been in existence for approximately the same time, application of this technology to assessment of the neuromuscular system only began in the 1980s. In the past 2 decades-mainly because of advances in resolution enabled by high frequency transducers and improved image processing-ultrasound has enabled the real-time, morphologic evaluation of focal and diffuse neuropathies, motor neuron diseases, and myopathies...
April 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/26786072/stimulus-electrodiagnosis-and-motor-and-functional-evaluations-during-ulnar-nerve-recovery
#13
Luciane F R M Fernandes, Nuno M L Oliveira, Danyelle C S Pelet, Agnes F S Cunha, Marco A S Grecco, Luciane A P S Souza
BACKGROUND: Distal ulnar nerve injury leads to impairment of hand function due to motor and sensorial changes. Stimulus electrodiagnosis (SE) is a method of assessing and monitoring the development of this type of injury. OBJECTIVE: To identify the most sensitive electrodiagnostic parameters to evaluate ulnar nerve recovery and to correlate these parameters (Rheobase, Chronaxie, and Accommodation) with motor function evaluations. METHOD: A prospective cohort study of ten patients submitted to ulnar neurorrhaphy and evaluated using electrodiagnosis and motor assessment at two moments of neural recovery...
January 19, 2016: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/26657238/near-nerve-needle-technique-versus-surface-electrode-recordings-in-electrodiagnosis-of-diabetic-polyneuropathy
#14
Mustafa A Kural, Kirsten Pugdahl, Anders Fuglsang-Frederiksen, Henning Andersen, Hatice Tankisi
PURPOSE: The sural nerve can be examined by either surface electrode recording or near-nerve technique (NNT) for electrodiagnosis of polyneuropathy. This study compared the sensitivity of these two methods and correlated nerve conduction studies to "The Utah Early Neuropathy Scale" (UENS) and HbA1c levels. METHODS: In 29 diabetic patients, 55 sural nerves were examined with both antidromic surface recording and orthodromic NNT. The sensitivities were compared with chi-square statistics...
August 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/26583495/chronic-inflammatory-demyelinating-polyneuropathy-manifesting-as-neuropathy-with-liability-to-pressure-palsies-a-case-report
#15
Akshay Shah, Richard A Rison, Said R Beydoun
INTRODUCTION: Chronic inflammatory demyelinating polyneuropathy (CIDP) is a progressive demyelinating neuropathy, which typically presents with proximal and distal neuropathic symptoms and is typically responsive to immunomodulatory therapies. Many variants have been subsequently described in the literature and have similarly shown to be responsive to immunotherapy. CASE PRESENTATION: We present a case of a 43-year-old Middle Eastern/Arabic man presenting with symptoms of mixed sensorimotor neuropathy most evident at entrapment sites mimicking hereditary neuropathy with liability to pressure palsies...
December 2015: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/26564252/electrodiagnostic-evaluation-of-individuals-implanted-with-extracellular-matrix-for-the-treatment-of-volumetric-muscle-injury-case-series
#16
Nami Han, Mohammad A Yabroudi, Kristen Stearns-Reider, Wendy Helkowski, Brian M Sicari, J Peter Rubin, Stephen F Badylak, Michael L Boninger, Fabrisia Ambrosio
BACKGROUND: Electrodiagnosis can reveal the nerve and muscle changes following surgical placement of an extracellular matrix (ECM) bioscaffold for treatment of volumetric muscle loss (VML). OBJECTIVE: The purpose of this study was to characterize nerve conduction study (NCS) and electromyography (EMG) changes following ECM bioscaffold placement in individuals with VML. The ability of presurgical NCS and EMG to be used as a tool to help identify candidates who are likely to display improvements postsurgically also was explored...
April 2016: Physical Therapy
https://www.readbyqxmd.com/read/26528047/late-responses-in-the-electrodiagnosis-of-cervical-radiculopathies
#17
Ana Maria Galamb, Ioan Dan Minea
BACKROUND AND AIM: This paper aims to assess the parameters of late responses and then determine their usefulness in patients with cervical radiculopathy. PATIENTS AND METHODS: We studied a total of 114 patients with bilateral assessment of median and ulnar nerves and of F and A waves parameters. RESULTS: We draw attention to the need of bilateral electrodiagnostic examination due to changes occurring in a third of cases also in the asymptomatic limb...
2015: Clujul Medical (1957)
https://www.readbyqxmd.com/read/26453264/double-crush-syndrome-of-the-median-nerve-revealing-a-primary-non-hodgkin-s-lymphoma-of-the-flexor-digitorum-superficialis-muscle
#18
F M Leclère, P Vogt, V Casoli, P Pelissier, H Choughri
Extranodal manifestations of lymphoma are well described in the literature and occur in 20 to 30% of patients. Skeletal muscle involvement is rare. We describe the case of a patient with non-Hodgkin's lymphoma in a forearm muscle. At the age of 86, the featured patient started experiencing continuous, progressive and high intensity pain that was more frequent at night and localized in the right dominant hand. It was associated with paresthesia and hypoesthesia, primarily in the thumb, index finger and middle finger...
October 2015: Chirurgie de la Main
https://www.readbyqxmd.com/read/26418806/differences-in-the-postoperative-outcomes-according-to-the-primary-treatment-options-chosen-by-patients-with-carpal-tunnel-syndrome-conservative-versus-operative-treatment
#19
Soo Min Cha, Hyun Dae Shin, Jae Sung Ahn, Jae Won Beom, Dong Yeol Kim
PURPOSE: We prospectively analyzed the differences in the preoperative status and final outcomes between patients with or without the motivation for prompt surgery after a recent diagnosis of carpal tunnel syndrome (CTS). METHODS: One hundred fifty-six patients were enrolled and followed up from a cohort of 220 patients who were diagnosed with CTS between 2011 and 2013. Basic demographic factors, including the occupational features, were investigated in group 1 (n = 52, conservative treatment followed by surgery) and group 2 (n = 100, surgery immediately after diagnosis)...
January 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/26357476/value-of-f-wave-studies-on-the-electrodiagnosis-of-carpal-tunnel-syndrome
#20
Murat Alemdar
BACKGROUND: F waves are late electrophysiological responses to antidromic activation of motor neurons and are used to evaluate the conduction along the whole length of peripheral nerves. We aimed to determine the diagnostic efficacies of minimum median nerve F-wave latency (FWL) and median-to-ulnar nerve F-wave latency difference (FWLD) on carpal tunnel syndrome (CTS). MATERIALS AND METHODS: The electrophysiological studies consisted of sensory and motor nerve conduction and F-wave studies of the median and ulnar nerves...
2015: Neuropsychiatric Disease and Treatment
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