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Peripheral Nerve Ultrasonography

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https://www.readbyqxmd.com/read/28900529/high-resolution-ultrasonography-and-shear-wave-sonoelastography-of-a-cystic-radial-nerve-schwannoma
#1
Patrick J Battaglia, Vivian Carbone-Hobbs, Gary M Guebert, Susan E Mackinnon, Norman W Kettner
Peripheral nerve tumors are often evaluated with magnetic resonance imaging (MRI), although there are many advantages offered with high-resolution ultrasonography (HRUS). This case report emphasizes the value of HRUS in the diagnosis and management of a patient with a cystic radial nerve Schwannoma. In addition, information on tumor stiffness, obtained with shear-wave sonoelastography (SWE), is presented.
September 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28818412/are-extramedian-symptoms-associated-with-peripheral-causes-in-patient-with-carpal-tunnel-syndrome-electrodiagnostic-and-ultrasonographic-study
#2
Basak Mansiz-Kaplan, Merve Akdeniz-Leblecicier, Ilker Yagci
OBJECTIVE: To evaluate the relationship between extramedian spreading of sensorial symptoms and median and ulnar nerve cross-sectional area (CSA) and to compare the ultrasonographic and electrophysiological findings in patients with carpal tunnel syndrome (CTS) with or without extramedian sensory symptoms. DESIGN: Cross-sectional study. MATERIALS AND METHODS: Patients with CTS were divided into two groups as with or without extramedian symptoms and were assessed clinically, electrophysiologically and ultrasonographically by three blind investigators...
August 10, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28755100/point-of-care-ultrasonography-in-canadian-anesthesiology-residency-programs-a-national-survey-of-program-directors
#3
Daniel Mok, Stephan K W Schwarz, Kevin Rondi
PURPOSE: Point-of-care ultrasonography (POCUS) is a useful tool with multiple perioperative applications relevant to the anesthesiologist. Nevertheless, the full scope of POCUS applications has yet to be formally incorporated into Canadian anesthesiology training. The purpose of this study was to determine the current state of POCUS training in Canadian anesthesiology residency programs. METHODS: We conducted a web-based survey of program directors from Royal College-accredited anesthesiology residency programs across Canada...
July 28, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28692451/the-value-of-musculoskeletal-ultrasound-in-geriatric-care-and-rehabilitation
#4
Büşra Can, Murat Kara, Özgür Kara, Zekeriya Ülger, Walter R Frontera, Levent Özçakar
The WHO reports that one of the major chronic conditions affecting the elderly worldwide is musculoskeletal disorders that are associated with long-term pain and disability. Considering the healthcare needs of the elderly (i.e. comprehensive, accessible, efficient) and the advantages of ultrasound (US) use (patient-friendly, convenient, cost-effective, and does not require exposure to radiation or magnetic fields), there seems to be a 'gap' in the actual clinical practice. In this paper, we aimed to highlight the potential value of US imaging in the management of the elderly with a wide spectrum of musculoskeletal conditions (degenerative/rheumatic joint diseases, falls/trauma, nursing care, peripheral nerve problems, sarcopenia, and interventions)...
July 7, 2017: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28662276/nerve-ultrasound-shows-subclinical-peripheral-nerve-involvement-in-neurofibromatosis-type-2
#5
Johan A Telleman, Menno D Stellingwerff, Geert J Brekelmans, Leo H Visser
INTRODUCTION: Neurofibromatosis type 2 (NF2) is mainly associated with central nervous system (CNS) tumors. Peripheral nerve involvement is described in symptomatic patients, but evidence of subclinical peripheral nerve involvement is scarce. METHODS: We conducted a cross-sectional pilot study in 2 asymptomatic and 3 minimally symptomatic patients with NF2 to detect subclinical peripheral nerve involvement. Patients underwent clinical examination, nerve conduction studies (NCS), and high-resolution ultrasonography (HRUS)...
June 29, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28638296/ultrasound-guided-percutaneous-cervical-and-upper-thoracic-sympathetic-chain-neuromodulation-for-upper-extremity-complex-regional-pain-syndrome
#6
Samer Narouze, Dmitri Souzdalnitski
BACKGROUND: Complex regional pain syndrome (CRPS) comprises a group of conditions characterized by severe, debilitating pain that is disproportionate to any inciting event and is not distributed in a specific nerve distribution or dermatome. CASE REPORT: A 42-year-old female with a 2-year history of right upper extremity CRPS type I refractory to conventional management underwent an ultrasound-guided and fluoroscopy confirmed percutaneous peripheral nerve stimulation trial with a lead extending from the C6 to the T3 level to cover the cervical and upper thoracic sympathetic chain...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28593000/ultrasound-and-emg-ncv-study-electromyography-and-nerve-conduction-velocity-correlation-in-diagnosis-of-nerve-pathologies
#7
REVIEW
Shilpa Domkundwar, Gayatri Autkar, S V Khadilkar, Mayur Virarkar
PURPOSE: Nerve disorders are commonly encountered in clinical practice. Ultrasonography (USG) is a useful modality in the evaluation of most of the peripheral and superficial pathologies amenable to penetration by ultrasound. The primary objective is to study the USG findings of various peripheral nerve pathologies and to correlate them with electrophysiological (EMG-NCV) findings. METHOD: 42 patients referred with suspicion of peripheral nervous system affection were evaluated with USG along with EMG-NCV...
June 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28584377/neurolymphomatosis-in-primary-cutaneous-cd4-pleomorphic-small-medium-sized-t-cell-lymphoma-mimicking-hansen-s-disease
#8
Anza Khader, Mary Vineetha, Mamatha George, Shiny Padinjarayil Manakkad, Sunitha Balakrishnan, Uma Rajan
Neurolymphomatosis (NL) refers to nerve infiltration by neurotropic neoplastic cells in the setting of a known or an unknown hematological malignancy. It typically presents as painful or painless peripheral mononeuropathy, mononeuritis multiplex, polyneuropathy, polyradiculopathy, or cranial neuropathy. A 32-year-old male presented with a hyperpigmented hypoesthetic plaque over the anterolateral aspect of the right leg with thickening of the right common peroneal nerve and foot drop clinically diagnosed as Hansen's disease...
May 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28532415/hemodynamic-changes-caused-by-acupuncture-in-healthy-volunteers-a-prospective-single-arm-exploratory-clinical-study
#9
Tae-Hun Kim, Boncho Ku, Jang-Han Bae, Jae-Young Shin, Min-Ho Jun, Jung Won Kang, Junghwan Kim, Jun-Hwan Lee, Jaeuk U Kim
BACKGROUND: Radial pressure pulse wave (RPPW) examination has been a key diagnostic component of traditional Chinese medicine. The objective of this study was to investigate the changes in RPPW along with various hemodynamic variables after acupuncture stimulation and to examine the validity of pulse diagnosis as a modern diagnostic tool. METHODS: We conducted acupuncture stimulation at both ST36 acupuncture points in 25 healthy volunteers. We simultaneously assessed the RPPW by pulse tonometry; heart rate variability (HRV) by electrocardiogram; photoplethysmogram (PPG) signals, respiration rate, peripheral blood flow velocity and arterial depth by ultrasonography; and cardiac output by impedance cardiography, before, during and after a session of acupuncture stimulation...
May 22, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28522988/multiple-sites-ultrasonography-of-peripheral-nerves-in-differentiating-charcot-marie-tooth-type-1a-from-chronic-inflammatory-demyelinating-polyradiculoneuropathy
#10
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/28457533/schwannoma-of-the-breast-a-case-report
#11
P Solano Díaz, M T Hidalgo Martín, M F Sánchez Cordero, M C Soto Aguilar
Schwannomas are benign tumors of peripheral nerve sheaths. Schwannomas of the breast are very uncommon: only 28 cases have been reported. We present the case of a 63-year-old woman studied for a high family risk of breast cancer in whose left breast we detected a lesion with benign characteristics on magnetic resonance imaging (MRI) and later it was identified by ultrasonography and mammography. Histological study after core needle biopsy confirmed the benign nature of the lesion. The mammographic findings correlated with those reported in the literature...
April 27, 2017: Radiología
https://www.readbyqxmd.com/read/28408350/neuroactive-steroid-levels-and-psychiatric-and-andrological-features-in-post-finasteride-patients
#12
MULTICENTER STUDY
Roberto Cosimo Melcangi, Daniele Santi, Roberto Spezzano, Maria Grimoldi, Tommaso Tabacchi, Maria Letizia Fusco, Silvia Diviccaro, Silvia Giatti, Giuseppe Carrà, Donatella Caruso, Manuela Simoni, Guido Cavaletti
Recent reports show that, in patients treated with finasteride for male pattern hair loss, persistent side effects including sexual side effects, depression, anxiety and cognitive complaints may occur. We here explored the psychiatric and andrological features of patients affected by post-finasteride syndrome (PFS) and verified whether the cerebrospinal fluid (CSF) and plasma levels of neuroactive steroids (i.e., important regulators of nervous function) are modified. We found that eight out of sixteen PFS male patients considered suffered from a DSM-IV major depressive disorder (MDD)...
July 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28391751/isolated-aa-amyloidosis-of-the-radial-nerve
#13
Teresa Pérez-de la Fuente, Javier Fernández-Jara, Pilar Rodríguez-Urcelay, Jose Jiménez-Heffernan, Ángel Juárez
BACKGROUND: Amyloidosis affecting peripheral nerve is usually seen in primary amyloidosis. METHODS: We are reporting on the case of a 74-year-old man with a 16-month history of progressive left radial nerve paralysis. Perioperative imaging detected an enlarged radial nerve in the middle-distal part of the arm. The patient had an antecedent of amyloid deposits in the lung. RESULTS: A radial nerve amyloidosis was suspected and confirmed with a biopsy assisted by ultrasonography, resulting in a secondary amyloidosis form...
September 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28374060/possible-utility-of-contrast-enhanced-ultrasonography-for-detecting-spread-of-local-anesthetic-in-nerve-block
#14
Hideaki Sasaki, Masanori Yamauchi, Takafumi Ninomiya, Haruyuki Tatsumi, Michiaki Yamakage
PURPOSE: This study demonstrated the effects of perfluorobutane (Sonazoid(®)) with contrast-enhanced ultrasonography (CEUS) to identify the spread of local anesthetics in ultrasound-guided nerve block. METHODS: This study consists of simulation, cadaveric, and animal studies. In a simulation study, 1% lidocaine with 10- to 1000-fold diluted Sonazoid(®), a US-specific contrast agent to diagnose hepatic and breast cancers (0.5 mL), was injected into a resin-based phantom to determine the optimal concentration for ultrasound-guided peripheral nerve block...
June 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28341644/nerve-ultrasound-a-useful-screening-tool-for-peripheral-nerve-sheath-tumors-in-nf1
#15
Johan A Telleman, Menno D Stellingwerff, Geert J Brekelmans, Leo H Visser
OBJECTIVE: To determine ultrasonographic peripheral nerve involvement in patients with asymptomatic neurofibromatosis type 1 (NF1). METHODS: Thirteen asymptomatic and 4 minimally symptomatic patients with NF1 were included in this cross-sectional pilot study to detect asymptomatic abnormalities of the brachial plexus and upper and lower extremity nerves. Patients underwent clinical examination, nerve conduction studies (NCS), and high-resolution ultrasonography (HRUS)...
April 25, 2017: Neurology
https://www.readbyqxmd.com/read/28318780/surface-electromyogram-and-muscle-ultrasonography-for-detection-of-muscle-fasciculations-in-pediatric-peripheral-neuropathy
#16
Masayoshi Oguri, Yoshiaki Saito, Tetsuya Okazaki, Wataru Matsumura, Koyo Ohno, Masami Togawa, Chisako Fukuda, Yuko Saito, Ichizo Nishino, Yoshihiro Maegaki
A 12-year-old girl presented with talipes equinus of both legs, attenuation of upper and lower limb tendon reflexes, thermal hyperalgesia, and reduction of vibratory sensation. On clinical examination, muscle twitches of fingers of both hands, as well as the abductor halluces and the dorsal interossei muscles of the right foot were observed. Nerve conduction velocity was significantly declined in the upper and lower extremities. Needle electromyography (EMG) was not performed; however, ultrasonography revealed repetitive, semi-regular muscle twitches lasting 0...
March 16, 2017: Brain & Development
https://www.readbyqxmd.com/read/28303912/new-technologies-for-the-assessment-of-neuropathies
#17
REVIEW
Roberto Gasparotti, Luca Padua, Chiara Briani, Giuseppe Lauria
Technical advances are rapidly changing the clinical and instrumental approach to peripheral nerve diseases. Magnetic resonance neurography, diffusion tensor imaging and nerve ultrasonography are increasingly entering the diagnostic workup of peripheral neuropathies as tools that complement neurophysiology and enable investigation of proximal structures, such as plexuses and roots. Progress in the design of magnetic resonance scanners and sequences, and the development of high-frequency ultrasound probes mean that high-resolution peripheral nerve imaging is possible, enabling detailed examination of nerve size, morphology and internal fascicular structure that can integrate nerve conduction studies into clinical practice...
April 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28286771/effects-of-wrist-posture-and-fingertip-force-on-median-nerve-blood-flow-velocity
#18
Katherine E Wilson, Jimmy Tat, Peter J Keir
Purpose. The purpose of this study was to assess nerve hypervascularization using high resolution ultrasonography to determine the effects of wrist posture and fingertip force on median nerve blood flow at the wrist in healthy participants and those experiencing carpal tunnel syndrome (CTS) symptoms. Methods. The median nerves of nine healthy participants and nine participants experiencing symptoms of CTS were evaluated using optimized ultrasonography in five wrist postures with and without a middle digit fingertip press (0, 6 N)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28245667/novel-technique-for-trialing-peripheral-nerve-stimulation-ultrasonography-guided-stimucath-trial
#19
Chandan G Reddy, Oliver E Flouty, Marshall T Holland, Leigh A Rettenmaier, Mario Zanaty, Foad Elahi
OBJECTIVE Peripheral nerve stimulation (PNS) has been used for the treatment of neuropathic pain for many decades. Despite the specific indications for PNS, clinicians often have difficulty screening for candidates likely to have a good or fair outcome. Given the expense of a permanent implant, most insurance companies will not pay for the implant without a successful PNS trial. And since PNS has only recently been approved by the US Food and Drug Administration, many insurance companies will not pay for a conventional trial of PNS...
March 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28235493/ultrasound-guided-transversus-abdominis-plane-block-for-postoperative-analgesia-in-living-liver-donors-a-prospective-randomized-double-blinded-clinical-trial
#20
RANDOMIZED CONTROLLED TRIAL
Arzu Kıtlık, Mehmet Ali Erdogan, Ulku Ozgul, Mustafa Said Aydogan, Muharrem Ucar, Huseyin Ilksen Toprak, Cemil Colak, Mahmut Durmus
BACKGROUND: Transversus abdominis plane (TAP) block is a peripheral nerve block that reduces postoperative pain, nausea, vomiting and the need for postoperative opioids following various types of abdominal surgery. The primary aim of the present study was to evaluate the effects of TAP block on postoperative analgesia and opioid consumption in living liver donors in whom a right "J" abdominal incision was used. METHODS: This prospective, double-blinded, randomized controlled study was conducted with 50 living liver donors, aged 18-65years, who were scheduled to undergo right hepatectomy...
February 2017: Journal of Clinical Anesthesia
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