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Brachial neuropathy

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https://www.readbyqxmd.com/read/28723713/somatotopic-fascicular-lesions-of-the-brachial-plexus-demonstrated-by-high-resolution-magnetic-resonance-neurography
#1
Tim Hilgenfeld, Johann Jende, Daniel Schwarz, Philipp Bäumer, Jennifer Kollmer, Sabine Heiland, Martin Bendszus, Mirko Pham
OBJECTIVES: The aim of this study was to evaluate whether high-resolution brachial plexus (BP) magnetic resonance neurography (MRN) is capable of (1) distinguishing patients with compressive neuropathy or noncompressive plexopathy from age- and sex-matched controls, (2) discriminating between patients with compressive neuropathy and noncompressive plexopathy, and (3) detecting spatial lesion patterns suggesting somatotopic organization of the BP. MATERIALS AND METHODS: Thirty-six patients (50...
July 18, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28665460/ischemic-monomelic-neuropathy-a-long-term-follow-up-of-two-cases
#2
Vikas Singh, Huzaif Qaisar, Avais Masud, Sushil Mehandru, Elmer Sadiang-Abay, Eric J Costanzo, Loay Salman
INTRODUCTION: Ischemic monomelic neuropathy (IMN) is the most dreaded complication of an arteriovenous access creation. While uncommon, it can lead to pain, paresthesia or/and hand weakness. Creation of an arteriovenous connection causing a sudden diversion of blood away from the nerves can lead to ischemic injury to the neural tissue and cause IMN. Immediate surgical ligation has been traditionally recommended to limit ongoing neural tissue injury. CASE DESCRIPTION: We present two diabetic patients who developed IMN after the creation of a left upper extremity brachial-cephalic fistula and refused to undergo surgical ligation...
June 20, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28659200/-an-unrecognized-cause-of-dyspnoea
#3
A Brys, A Wijers, M de Vries, N Bouwman, R Borghans
BACKGROUND: Neuralgic amyotrophy is characterised by pain in the neck or shoulder region, followed by neuropathy of both motor and sensory nerves of the brachial plexus. The incidence of this condition is estimated at 1/1000 per year. In a rare variant of the syndrome, involvement of both phrenic nerves can occur, leading to diaphragmatic paralysis and severe orthopnoea. CASE DESCRIPTION: A 67-year-old woman was referred to us with acute orthopnoea. Imaging studies showed bilateral diaphragmatic paralysis, and electromyography (EMG) confirmed neuropathy of both phrenic nerves...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28652523/a-case-of-hereditary-neuropathy-with-liability-to-pressure-palsies-due-to-push-up-exercise
#4
Takumi Nakamura, Takeshi Kawarabayashi, Yusuke Seino, Mikio Shoji
A 17-year-old man with no familial history developed motor and sensory disturbance of the left upper limb a few days after starting push-up exercise. Neurological examination revealed broad weakness and radial sensory disturbance of the left upper limb and magnetic resonance neurography showed laterality of brachial plexus intensity signals. Therefore, we suspected left brachial plexopathy. However, a nerve conduction study showed a broad disturbance that could not be explained by only brachial plexopathy. Genetic tests revealed a diagnosis of hereditary neuropathy with liability to pressure palsies (HNPP)...
June 24, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28627217/using-plantar-electrical-stimulation-to-improve-postural-balance-and-plantar-sensation-among-patients-with-diabetic-peripheral-neuropathy
#5
Bijan Najafi, Talal K Talal, Gurtej Singh Grewal, Robert Menzies, David G Armstrong, Lawrence A Lavery
OBJECTIVE: People with diabetic peripheral neuropathy (DPN) often exhibit deteriorations in motor-performance mainly due to lack of plantar-sensation. The study explored effectiveness of plantar electrical-stimulation therapy to enhance motor-performance among people with DPN. DESIGN AND METHODS: Using a double-blinded model, 28 volunteers with DPN (age: 57.8 ± 10.2 years) were recruited and randomized to either intervention (IG: n = 17) or control (CG: n = 11) group...
February 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28598042/peripheral-vascular-disease-in-patients-with-diabetic-foot-ulcers-an-emerging-trend-a-prospective-study-from-north-india
#6
Supriya Bajaj, Amit Mahajan, Sumit Grover, Vijay Mahajan, Pankaj Goyal, Vikram Kumar Gupta
BACKGROUND: Diabetic foot ulcer is one of the chronic complications of diabetes mellitus (DM) with 25% of patients with diabetes developing a foot ulcer during their lifetime leading to amputation. Diabetic foot is classified into 2 main types: neuropathic ulcers (NPU) and neuro-ischemic ulcer (NIU) where in addition to neuropathy peripheral vascular disease (PVD) is also present. AIMS: We aimed to a) assess the prevalence of Peripheral vascular disease (PVD) in patients of type 2 diabetes mellitus (T2DM) presenting with New Diabetic Foot ulcers (DFU)...
May 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28587056/tolerance-of-the-brachial-plexus-to-high-dose-reirradiation
#7
Allen M Chen, Taeko Yoshizaki, Maria A Velez, Argin G Mikaeilian, Sophia Hsu, Minsong Cao
PURPOSE: To study the tolerance of the brachial plexus to high doses of radiation exceeding historically accepted limits by analyzing human subjects treated with reirradiation for recurrent tumors of the head and neck. METHODS AND MATERIALS: Data from 43 patients who were confirmed to have received overlapping dose to the brachial plexus after review of radiation treatment plans from the initial and reirradiation courses were used to model the tolerance of this normal tissue structure...
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28523213/brachial-plexus-magnetic-resonance-imaging-differentiates-between-inflammatory-neuropathies-and-does-not-predict-disease-course
#8
Bas A Jongbloed, Jeroen W Bos, Dirk Rutgers, Willem Ludo van der Pol, Leonard H van den Berg
OBJECTIVE: The main objective of this study was to evaluate the correlation between the distribution of brachial plexus magnetic resonance imaging (MRI) abnormalities and clinical weakness, and to evaluate the value of brachial plexus MRI in predicting disease course and response to treatment in multifocal motor neuropathy (MMN), Lewis-Sumner syndrome (LSS) and chronic inflammatory demyelinating polyradiculoneuropathy (CIDP). METHODS: Sixty-seven patients with an inflammatory neuropathy diagnosed at our tertiary referral center for neuromuscular diseases had undergone bilateral T2-weighted short tau inversion recovery (STIR) MRI of the brachial plexus...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28468005/noninvasive-blood-pressure-measurement-in-maintenance-hemodialysis-patients-comparison-of-agreement-between-oscillometric-and-finger-cuff-methods
#9
Gaetano Alfano, Francesco Fontana, Gianni Cappelli
BACKGROUND: The Nexfin monitor is a device used for measuring arterial blood pressure (BP) continuously and noninvasively through finger-cuff technology. Since it was validated against the auscultatory method using a sphygmomanometer, the aim of this study was to test the ability of the Nexfin to evaluate brachial arterial pressure (BAP) in maintenance hemodialysis patients, quantifying accuracy and precision. METHODS: Forty hemodynamically stable hemodialysis patients underwent serial measurements of Nexfix arterial pressure (NAP) and BAP, respectively, through Nexfin and oscillometric devices...
May 4, 2017: Nephron
https://www.readbyqxmd.com/read/28434767/extrarenal-rhabdoid-tumor-presented-with-an-immobile-arm-in-a-one-year-old-boy
#10
Chi-Ting Chung, Yen-Lin Liu, Chien-Jui Cheng, Kevin Li-Chun Hsieh, Min-Lan Tsai, Tai-Tong Wong
Infants with an immobile arm may be easily overlooked in primary care settings. Differential diagnoses include injuries, infections, neuropathies, ischemia and rarely, neoplasms. We report the case of a one-year-old boy with weakness in his left arm after minor trauma with a diagnosis of brachial plexus palsy initially. After rehabilitation for 2months, his weakness progressed to unsteady gait and quadriparesis. MRI revealed a huge solid tumor in the left supraclavicular fossa, which also involved the left brachial plexus, upper thoracic cavity, and left paravertebral space with invasion into the spinal canal...
April 20, 2017: Brain & Development
https://www.readbyqxmd.com/read/28429047/therapeutic-outcome-of-ct-guided-radiofrequency-ablation-in-patients-with-osteoid-osteoma
#11
Louis Lassalle, R Campagna, G Corcos, A Babinet, F Larousserie, J Stephanazzi, A Feydy
OBJECTIVE: To assess the long-term outcome of computed tomography-guided radiofrequency ablation (CT-guided RFA) in patients with suspected osteoid osteoma (OO). MATERIALS AND METHODS: Single-center retrospective study. Patients with clinical suspicion and imaging diagnosis of osteoid osteoma were treated by CT-guided RFA using the same device with either a 7- or 10-mm active tip electrode. Specific precautions were applied in case of articular or spinal OO. Patients were contacted by phone to evaluate the long-term outcome in terms of pain, ability to perform daily activities (including sports), and long-term complications...
July 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28368901/fortuitous-diagnosis-of-preexisting-neuropathy-during-ultrasound-guided-regional-anesthesia-performance-a-case-report
#12
Philippe Marty, Bertrand Basset, Constance Marquis, Medhi Merouani, Olivier Rontes, Alain Delbos
Ultrasound-guided regional anesthesia requires the anesthesia provider to interpret new information. This article reports on the case of a 38-year-old man scheduled for a fifth metacarpal fracture repair. Ultrasound nerve examination revealed abnormal pathology of the axillary brachial plexus consisting of an increased volume of the terminal nerves of the brachial plexus. Ultrasound scanning initiated the subsequent diagnosis of multifocal motor neuropathy. Regional anesthesia was abandoned in favor of general anesthesia...
June 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28303912/new-technologies-for-the-assessment-of-neuropathies
#13
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...
March 17, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28259276/comparison-of-ultrasound-guided-axillary-brachial-plexus-block-properties-in-diabetic-and-nondiabetic-patients-a-prospective-observational-study
#14
Emine Aysu Salviz, Sukru Onbasi, Anil Ozonur, Mukadder Orhan-Sungur, Omer Berkoz, Kamil Mehmet Tugrul
PURPOSE: Patients with diabetes mellitus (DM) type 2 may have subclinical peripheral nerve neuropathy. We performed this study to compare the differences in duration of axillary brachial plexus blocks in patients with type 2 DM and without DM (NODM). Our hypothesis was that the sensory block duration would be prolonged in patients with DM. METHODS: A total of 71 patients who were scheduled for elective forearm and/or hand surgery were enrolled in this study. Before surgery, they received ultrasound-guided axillary brachial plexus blocks with a mixture of 10 mL lidocaine 2% and 20 mL bupivacaine 0...
March 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28198531/superficial-brachial-artery-a-possible-cause-for-idiopathic-median-nerve-entrapment-neuropathy
#15
Pilani Nkomozepi, Nkosi Xhakaza, Elaine Swanepoel
Nerve entrapment syndromes occur because of anatomic constraints at specific locations in both upper and lower limbs. Anatomical locations prone to nerve entrapment syndromes include sites where a nerve courses through fibro-osseous or fibromuscular tunnels or penetrates a muscle. The median nerve (MN) can be entrapped by the ligament of Struthers; thickened biceps aponeurosis; between the superficial and deep heads of the pronator teres muscle and by a thickened proximal edge of flexor digitorum superficialis muscle...
February 15, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28188346/-clinical-indications-for-high-resolution-mri-diagnostics-of-the-peripheral-nervous-system
#16
T Godel, M Weiler
CLINICAL/METHODICAL ISSUE: Peripheral neuropathies are common and diagnostically often challenging disorders. Difficulties particularly exist in lesion localization and recognition of complex spatial lesion patterns. STANDARD DIAGNOSTIC METHODS: Medical history taking, neurological examination, neurophysiological tests and nerve ultrasonography represent the gold standard in the diagnosis of peripheral nerve lesions but have known methodical limitations. METHODICAL INNOVATIONS: The use of 3 Tesla magnetic resonance neurography (MRN) is an additional diagnostic imaging tool recently developed for the high-resolution visualization of long segments of peripheral nerves...
February 10, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28138789/phrenic-nerve-palsy-secondary-to-parsonage-turner-syndrome-a-diagnosis-commonly-overlooked
#17
Tom McEnery, Ronan Walsh, Conor Burke, Aisling McGowan, John Faul, Liam Cormican
Neuralgic Amyotrophy (NA) or Parsonage-Turner syndrome is an idiopathic neuropathy commonly affecting the brachial plexus. Associated phrenic nerve involvement, though recognised, is thought to be very rare. We present a case series of four patients (all male, mean age 53) presenting with dyspnoea preceded by severe self-limiting upper limb and shoulder pain, with an elevated hemi-diaphragm on clinical examination and chest X-ray. Neurological examination of the upper limb at the time of presentation was normal...
January 30, 2017: Lung
https://www.readbyqxmd.com/read/28121977/bilateral-upper-extremity-hyperesthesia-and-absence-of-neck-tenderness-in-four-adolescent-athletes-with-cervical-spine-injuries
#18
Jay Douglas Fisher, Elizabeth Lewis Thorpe
Cervical spine injury in the pediatric athlete is an uncommon but potentially devastating condition that can require a heightened index of suspicion to correctly diagnose. Although some cervical spine injuries present overtly with paraplegia due to cord transection, others can present more subtly with symptoms suggestive of bilateral peripheral neuropathy. Patients with traumatic brachial neuropraxia or "stinger" physiology can present similarly, but symptoms are exclusively unilateral. We present 4 patients with bilateral upper extremity hyperesthesias and absence of tenderness over the cervical vertebral landmarks who were subsequently diagnosed with cervical spine injuries...
January 24, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28054138/-ultrasound-guided-interventions-on-the-peripheral-nervous-system
#19
A Loizides, L Gruber, S Peer, M Plaikner, H Gruber
CLINICAL/METHODICAL ISSUE: Up to the advent of high-resolution ultrasound, interventions on the peripheral nervous system, including local anesthesia and pain treatment were performed without visual guidance, which in some cases led to treatment failure or local tissue and nerve damage. METHODICAL INNOVATIONS: Progress in the field of ultrasound has enabled the functional visualization, anesthesia and anti-inflammatory or neurolytic treatment of many peripheral nerves, such as the brachial plexus, nerves of the upper and lower extremities and various nerves of the trunk...
March 2017: Der Radiologe
https://www.readbyqxmd.com/read/28050354/a-case-report-on-unilateral-accessory-humeral-head-of-pronator-teres
#20
Suman Verma, Sulochana Sakthivel
The presence of an accessory muscle in the forearm is likely to compress on the neurovascular structures and has clinical implications. We encountered an accessory humeral head of pronator teres during routine dissection of left upper limb in a male cadaver. The accessory head had fleshy origin from medial supracondylar line, medial intermuscular septum and brachialis fascia. It coursed downwards in the cubital region covering brachial artery and median nerve. Further, it narrowed becoming mostly tendinous and joined with the humeral head of pronator teres...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
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