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Brachial neuropathy

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https://www.readbyqxmd.com/read/29338908/relationship-between-neuropathy-proximal-to-the-suprascapular-nerve-and-rotator-cuff-tear-in-a-rodent-model
#1
Yasuhito Sasaki, Nobuyasu Ochiai, Eiko Hashimoto, Yu Sasaki, Takeshi Yamaguchi, Takehiro Kijima, Koji Akimoto, Seiji Ohtori, Kazuhisa Takahashi
BACKGROUND: Rotator cuff tears are believed to coexist with cervical spine lesions. In cases of preexisting neuropathy, such as cervical spine lesions, fatty degeneration has likely already occurred due to the neuropathy. In these cases, rotator cuff tear is thought to occur easily because of preexisting extensive fatty degeneration and degeneration of the tendons due to neuropathy. This study aimed to evaluate the effects of paralysis due to neuropathy proximal to the suprascapular nerve on the supraspinatus and infraspinatus tendons using a rat model of brachial plexus paralysis...
January 12, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29310150/noninvasive-vascular-assessment-of-lower-extremity-wounds-in-diabetics-are-we-able-to-predict-perfusion-deficits
#2
Iram Naz, Elliot Walters, Cameron M Akbari, Christopher E Attinger, Paul J Kim
Vascular assessment of the lower extremity is a critical step in any patient presenting with lower extremity chronic wounds to predict the likelihood of healing and risk of amputation. This concept is vital in patients with diabetes due to their complex vascular anatomy and disease distribution. Three arteries supply the six angiosomes of the lower extremity (i.e., three-dimensional blocks of tissue fed by a "source" artery in the foot and ankle). In diabetic patients, assessment of adequate blood flow to the lower extremities is complicated by the presence of arterial calcification, associated neuropathy, and inflammation...
October 12, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/29307357/plexus-and-peripheral-nerve-metastasis
#3
Kelly G Gwathmey
Cancer in the form of solid tumors, leukemia, and lymphoma can infiltrate and metastasize to the peripheral nervous system, including the cranial nerves, nerve roots, cervical, brachial and lumbosacral plexuses, and, rarely, the peripheral nerves. This review discusses the presentation, diagnostic evaluation, and treatment options for metastatic lesions to these components of the peripheral nervous system and is organized based on the anatomic distribution. As skull base metastases (also discussed in Chapter 14) result in cranial neuropathies, these will be covered in detail, as well as cancers that directly infiltrate the cranial nerves...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29307326/neurolymphomatosis-of-the-brachial-plexus-and-its-branches-case-series-and-literature-review
#4
Pierre R Bourque, Jodi Warman Chardon, Mark Bryanton, Melissa Toupin, Bruce F Burns, Carlos Torres
BACKGROUND: Neurolymphomatosis is a process of neoplastic endoneurial invasion, most strongly associated with non-Hodgkin's lymphoma. It must be distinguished from paraneoplastic, metabolic, nutritional and treatment-related causes of neuropathy that are common in this patient population. METHODS: This brief case series illustrates the protean manifestations of neurolymphomatosis of the brachial plexus, ranging from focal distal mononeuropathy to multifocal brachial plexopathy, either as the index manifestation of lymphoma or as a complication of relapsing disease...
January 8, 2018: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29298281/an-experimental-model-of-the-dual-diagnosis-effect-of-cytotoxic-brain-edema-plus-peripheral-neuropathy-on-the-spontaneous-locomotor-activity-of-rats
#5
Petr Kozler, Dana Maresova, Jaroslav Pokorny
OBJECTIVE: The aim of the study was to find how a simultaneous impairment of the CNS (cellular brain edema induced by water intoxication) and PNS (blockade of the right forelimb brachial plexus by local anesthewtic - Marcaine) affects spontaneous locomotor activity of adult rats. METHODS: Rats were divided into groups of animals without water intoxication (without WI) - A,B,C, and those that were water intoxicated (induction of brain edema - after WI) - D,E,F. Both groups were further divided into intact ones (A,D), animals with PNS lesion (Marcaine) (B,E) and sham-operated animals (C,F)...
December 4, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/29221755/unilateral-brachial-plexopathy-a-rare-complication-of-mycoplasma-pneumoniae-infection
#6
Barbara Robnik, Darja Keše, Tereza Rojko, Alenka Horvat-Ledinek, Aleš Pražnikar, Bojana Beović
Few reports in the literature describe isolated peripheral neuropathies in relation to Mycoplasma pneumoniae infection without concurrent damage to the central nervous system. To our knowledge only a single case of mononeuritis multiplex with brachial plexus neuropathy coincident with M. pneumoniae has been documented until now. Here we present the first clinical case of lobar M. pneumoniae pneumonia in a 19-year-old female patient, where coincident neurological complications manifested as unilateral brachial plexus neuropathy, affecting axillar and suprascapular nerves...
December 5, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29203220/bilateral-spontaneous-anterior-shoulder-dislocation-a-missed-orthopedic-injury-mistaken-as-proximal-neuropathy
#7
Khalil Ahmad, Saeed Bin Ayaz, Heyyan Bin Khalil, Sumeera Matee
A number of orthopedic injuries can occur during epileptic seizures. Anterior shoulder dislocation is one such orthopedic injury that is quite rare. The shoulder dislocation may injure the brachial plexus. Besides seizures, the nerves can also be damaged by anticonvulsive therapy. Muscle wasting following a seizure can misguide a clinician to investigate only neural or muscular pathologies. We report here an individual with epilepsy who was referred to us for electrodiagnostic evaluation of proximal muscle wasting related to a suspected proximal neuropathy...
November 4, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/29202391/high-resolution-ultrasound-in-patients-with-wartenberg-s-migrant-sensory-neuritis-a-case-control-study
#8
Ingrid J T Herraets, H Stephan Goedee, Johan A Telleman, Jan-Thies H van Asseldonk, Leo H Visser, W Ludo van der Pol, Leonard H van den Berg
OBJECTIVE: Wartenberg's migrant sensory neuritis (WMSN) is a rare, patchy, pure sensory neuropathy of unknown etiology. High-resolution ultrasonography (HRUS) is an emerging diagnostic technique for neuropathies, but it has not been applied in WMSN. In this study we aimed to determine HRUS abnormalities in WMSN. METHODS: We performed a case-control study of 8 newly diagnosed patients with WMSN and 22 treatment-naive disease controls (16 patients with pure sensory axonal neuropathy and 6 with pure sensory chronic inflammatory demyelinating polyneuropathy (CIDP) or Lewis-Sumner syndrome (LSS))...
November 21, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29200675/neurolymphomatosis-a-surreal-presentation-of-lymphoma
#9
Shikha Khandelwal, Suvinay Saxena, Disha J Hansalia
Background: Neurolymphomatosis is a neurologic complication poorly recognized by neurologists and oncologists and presents usually several months after successful treatment of systemic lymphoma. Other disorders that must be differentiated from these entities include peripheral-nerve or nerve root compression and paraneoplastic neuropathy. Aim: To describe the unusual occurrence of neurolymphomatosis in a patient of B-cell lymphoma. Method: Diagnosis was made by demonstration of enhancement of nerve roots on Magnetic Resonance Imaging of the brachial, lumbosacral plexus, peripheral nerves or by increased hyper-metabolic activity along the course of affected nerves on fluorodeoxyglucose positron emission tomography (FDG-PET)...
July 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29193420/accessory-neuropathy-after-sternotomy-clinico-anatomical-correlation-supporting-an-inflammatory-cause
#10
Mohammad W Kassem, Joe Iwanaga, Marios Loukas, Jonathan J Stone, Jay Smith, Robert J Spinner, R Shane Tubbs
Inflammatory etiologies are becoming increasingly recognized as explanations of some neuropathies, especially those occurring in the perioperative period. Although "brachial neuritis" is known to affect extraplexal nerves, accessory nerve palsy following median sternotomy has been attributed to stretch on the nerve. To better elucidate stretch as a potential cause, a cadaveric study was performed. Two patients who developed accessory nerve palsy following median sternotomy are presented to illustrate features consistent with the diagnosis of a perioperative inflammatory neuropathy...
November 28, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/29157770/the-prevention-and-recognition-of-ulnar-nerve-and-brachial-plexus-injuries
#11
Barbara J Duffy, Tito D Tubog
Perioperative peripheral nerve injury is a serious yet preventable perioperative complication. Since the inception of the American Association of Anesthesiologists Closed Claim Project, the incidence of peripheral nerve injury has remained constant with an overall reported prevalence rate of 15% to 16%. To date, the most frequent nerve injuries are ulnar nerve neuropathy and brachial plexus injury. This article will review the clinical presentation, pathophysiology, causative and risks factors, and preventive measures for the two most common nerve injuries...
December 2017: Journal of Perianesthesia Nursing: Official Journal of the American Society of PeriAnesthesia Nurses
https://www.readbyqxmd.com/read/29124342/connections-between-radial-and-ulnar-nerve-at-high-humeral-level-in-cadavers-incidence-topography-and-literature-review
#12
Konstantinos Natsis, A Giannakopoulou, M Piagkou, N Lazaridis, T Tegos, M R Colonna
PURPOSE: Although communications between branches and cords of the brachial plexus have been extensively published, there is a scarcity of reports concerning radial and ulnar nerve (RN-UN) communication in the arm. The current study aims to demonstrate the incidence, topography, and length of communicating branches between RN and UN. Any additional coexisted variations were also recorded. MATERIALS AND METHODS: Two hundred and sixty-six upper limbs collected from one hundred and thirty-three (81 males and 52 females) Greek cadavers were dissected...
November 9, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29058949/lipomas-of-the-brachial-plexus-a-case-series-and-review-of-the-literature
#13
Alexander Graf, Kai Yang, David King, William Dzwierzynski, James Sanger, Patrick Hettinger
BACKGROUND: Lipomas are common benign tumors. When they develop in proximity to peripheral nerves, they can cause neurologic symptoms secondary to mass effect. Previous reports have shown symptom resolution after removal of lipomas compressing various upper extremity peripheral nerves. However, brachial plexus lipomas are relatively rare. Our multidisciplinary experience with brachial plexus lipoma resection is reviewed in the largest case series to date. METHODS: A retrospective chart review of all patients undergoing resection of brachial plexus lipomatous tumors between 2006 and 2016 was performed...
October 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28976477/diagnostic-value-of-magnetic-resonance-neurography-in-cervical-radiculopathy-plexus-patterns-and-peripheral-nerve-lesions
#14
Daniel Schwarz, Henrich Kele, Moritz Kronlage, Tim Godel, Tim Hilgenfeld, Martin Bendszus, Philipp Bäumer
OBJECTIVE: The aim of this study was to assess the imaging appearance and diagnostic value of plexus and peripheral nerve magnetic resonance neurography (MRN) in cervical radiculopathy. MATERIALS AND METHODS: This prospective study was approved by our institutional ethics committee and written informed consent was obtained from all participants. A total of 24 patients were included with a diagnosis of cervical radiculopathy based on clinical examination, supporting electrophysiological examinations and spinal imaging consistent with the clinical syndrome...
October 2, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28955169/struthers-ligament-and-supracondylar-humeral-process-an-anatomical-study-and-clinical-implications
#15
Edie Benedito Caetano, João José Sabongi, Luiz Angelo Vieira, Maurício Ferreira Caetano, José Eduardo de Bona, Thais Mayor Simonatto
OBJECTIVE: The objective of this study was to determine the frequency and anatomical characteristics of Struthers' ligament and the supracondylar humeral process and evaluate the clinical implications in compressive neuropathy of the median nerve . METHOD: We dissected 60 arms from 30 cadavers (26 males and 4 females): 15 were previously preserved in formalin and glycerin and 15 were dissected fresh in the Anatomy Laboratory for this paper. The relationships between Struthers' ligament and the median nerve and brachial artery and veins were documented with drawings and photos ...
July 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28948078/muscle-training-induced-bilateral-brachial-plexopathy-in-an-adolescent-with-sporadic-hereditary-neuropathy-with-liability-to-pressure-palsies
#16
Minori Kodaira, Satoshi Kodama, Yui Kamijo, Tomoki Kaneko, Yoshiki Sekijima
There have been few studies regarding physical training-induced peripheral nerve dysfunction in patients with hereditary neuropathy with liability to pressure palsies (HNPP), with the exception of soldiers that trained intensively. Here, we report a 15-year-old boy without family history of HNPP who developed bilateral painless brachial plexopathy following short-term barbell and plank training during a school baseball club activity. Muscle training-induced painless brachial plexopathy could be an initial symptom and may be underdiagnosed in adolescents with sporadic HNPP...
September 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28926848/-parsonage-turner-syndrome-case-report
#17
Alexander Katzer, Wolf-Peter Niedermauntel, Jörg Rump
Neuralgic amyotrophy of the shoulder (Parsonage-Turner syndrome) is a rare condition of unknown aetiology which manifests as acute neuropathy of the brachial plexus. Diagnosis is based on typical symptoms and physical examination. In addition, magnetic resonance imaging of the affected shoulder and the cervical spine is advisable, in order to distinguish this syndrome from other conditions with similar symptoms. There is no specific treatment for neuralgic amyotrophy, but in about 50 - 67% of cases complete recovery occurs within two to three years, depending on the severity of the symptoms when they first appear...
September 19, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28861044/diabetic-neuropathy-evaluated-by-a-novel-device-sural-nerve-conduction-is-associated-with-glycemic-control-and-ankle-brachial-pressure-index-in-japanese-patients-with-diabetes
#18
Hidetaka Hamasaki, Yasuteru Hamasaki
BACKGROUND: Currently, no international diagnostic criteria for diabetic neuropathy (DN) have been established. Recently, a novel point-of-care sural nerve conduction device has been developed. We aimed to investigate associations between DN and clinical parameters related to the development and progression of DN by using this novel device. METHODS: We conducted a retrospective observational study in patients with diabetes whose sural nerve functions were measured using DPN Check between January 2015 and October 2016...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28858146/the-relationship-between-peripheral-artery-disease-symptomatology-and-ischemia
#19
Erica N Schorr, Diane Treat-Jacobson, Ruth Lindquist
BACKGROUND: Fewer than half of individuals with peripheral artery disease (PAD) experience classic claudication, and the relationships between PAD typical or atypical symptom intensity, location, and description (classic or atypical) with ischemic changes have not previously been reported. OBJECTIVE: The primary purpose of this study was to evaluate the relationship between self-reported PAD symptom intensity and calf tissue ischemia measured using the tissue saturation index (TSI) during treadmill exercise...
September 2017: Nursing Research
https://www.readbyqxmd.com/read/28830281/administration-of-daily-5%C3%A2-mg-tadalafil-improves-endothelial-function-in-patients-with-benign-prostatic-hyperplasia
#20
Toshiyasu Amano, Carolyn Earle, Tetsuya Imao, Yuki Matsumoto, Takahiro Kishikage
INTRODUCTION: Tadalafil is a promising phosphodiesterase (PDE) 5 inhibitor prescribed for erectile dysfunction (ED). Daily low dose (5 mg) of tadalafil has also been used for the treatment of male lower urinary tract symptoms (LUTS) associated with benign prostate hyperplasia (BPH). PDE5 inhibitors induce relaxation of smooth muscle cells in the urethra, prostate, bladder neck, and blood vessels. The aim of this study was to investigate the efficacy of tadalafil on vessels endothelial function, in patients with male LUTS symptoms associated with BPH...
August 22, 2017: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
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