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Brachial plexus

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https://www.readbyqxmd.com/read/27913804/restoration-of-shoulder-abduction-in-brachial-plexus-avulsion-injuries-with-double-neurotization-from-the-spinal-accessory-nerve-a-report-of-13-cases
#1
K W S J Huan, J S W Tan, S H Tan, L C Teoh, F C Yong
: In upper (C5-C7) and total (C5-T1) root avulsion brachial plexus injury, a method of double neurotization from a single donor spinal accessory nerve to two target nerves (suprascapular nerve and axillary nerve) may be done, leaving donor nerves available for reconstruction procedures to restore other aspects of upper limb function. A mean range of shoulder abduction of 91° (SD 25°) was achieved through this procedure in our study of 13 cases, of which seven cases were C5-C7 root avulsion and six cases were C5-T1 root avulsion brachial plexus injuries...
December 1, 2016: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/27911674/cross-sectional-imaging-anatomy-and-pathologic-conditions-affecting-thoracic-nerves
#2
Kristopher W Cummings, Sreevathsan Sridhar, Matthew S Parsons, Cylen Javidan-Nejad, Sanjeev Bhalla
While in many cases they are not directly visualized, awareness of the thoracic nerves and their courses at cross-sectional imaging is important for radiologists. An understanding of the normal function of each nerve is important, as many patients present with neurologic signs and symptoms that can be used to reinforce search patterns for disease and detection of supportive radiologic abnormalities. In the case of primary neoplasms, understanding the expected presence of a nerve in the location of a mass can enhance and improve the accuracy of differential diagnoses...
December 2, 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27909590/location-of-needle-tips-on-plexus-brachialis-in-different-supraclavicular-block-techniques-a-cadaver-study
#3
Senem Akpınar, Halil İbrahim Açar, Ayhan Cömert, Bülent Şam, Alaittin Elhan
OBJECTIVE: The present study was performed on cadavers to evaluate the efficacy of the different supraclavicular block techniques (Vongvises, Dalens, plumb-bob and inter-SCM) by investigating the location of the needle tip on the brachial plexus and to determine the most suitable block techniques according to the site of the surgery. METHODS: The study was performed on one embalmed and nine fresh cadavers. After the dissection, the skin of the cadavers was restored in its original position...
August 2016: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/27908742/arthroscopic-arthrodesis-of-the-shoulder-in-brachial-plexus-palsy
#4
Hubert Lenoir, Thomas Williams, Aude Griffart, Cyril Lazerges, Michel Chammas, Bertrand Coulet, Dominique Le Nen
BACKGROUND: Shoulder arthroscopic arthrodesis is an uncommon and non-standardized procedure. Results are poorly evaluated. We describe the findings in 8 patients who underwent shoulder arthroscopic arthrodesis for brachial plexus injury. METHODS: The humeral head and glenoid were excised through standard arthroscopic portals. A Hoffmann external fixator and cannulated screws were used to stabilize the shoulder. Standard clinical assessment and radiographic evaluation were performed each month until bony fusion occurred...
November 28, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27904475/transforming-growth-factor-beta-1-a-cytokine-with-regenerative-functions
#5
REVIEW
Wale Sulaiman, Doan H Nguyen
We review the biology and role of transforming growth factor beta 1 (TGF-β1) in peripheral nerve injury and regeneration, as it relates to injuries to large nerve trunks (i.e., sciatic nerve, brachial plexus), which often leads to suboptimal functional recovery. Experimental studies have suggested that the reason for the lack of functional recovery resides in the lack of sufficient mature axons reaching their targets, which is a result of the loss of the growth-supportive environment provided by the Schwann cells in the distal stump of injured nerves...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27901254/high-prevalence-of-neuropathic-pain-in-the-hand-of-patients-with-traumatic-brachial-plexus-injury-a-cross-sectional-study
#6
Marcus V B Santana, Mauro T Bina, Matheus G Paz, Scheila N Santos, Manoel J Teixeira, Irina Raicher, José V Martins, Daniel C Araujo Andrade, Abrahão F Baptista
Objective: To describe the pain profile of patients with traumatic brachial plexus injury. Methods: We enrolled 65 patients with traumatic brachial plexus injury. The Douleur Neuropathique 4 questionnaire was used to classify pain and the SF-36 was used to evaluate quality of life. Results: The patients with traumatic brachial plexus injury were predominantly young male victims of motorcycle accidents. Pain was present in 75.4% of the individuals and 79% presented with neuropathic pain, mostly located in the hands (30...
November 2016: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/27900273/improvements-after-mod-quad-and-triangle-tilt-revision-surgical-procedures-in-obstetric-brachial-plexus-palsy
#7
Rahul K Nath, Chandra Somasundaram
AIM: To compare outcomes of our revision surgical operations in obstetric brachial plexus palsy (OBPP) patients to results of conventional operative procedures at other institutions. METHODS: We analyzed our OBPP data and identified 10 female and 10 male children aged 2.0 to 11.8 years (average age 6.5 years), who had prior conventional surgical therapies at other clinics. Of the 20 patients, 18 undergone triangle tilt, 2 had only mod Quad. Among 18 patients, 8 had only triangle tilt and 10 had also mod Quad as revision surgeries with us...
November 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27894852/effect-of-warming-bupivacaine-0-5-on-ultrasound-guided-axillary-plexus-block-randomized-prospective-double-blind-study
#8
WalidTrabelsi, Abdelkader Ben Gabsia, Anis Lebbi, Walid Sammoud, Iheb Labbène, Slim Kchelfi, Mustapha Ferjani
OBJECTIVE: To evaluate the effect of warming bupivacaine 0.5% on ultrasound-guided axillary brachial plexus block. STUDY DESIGN: Prospective, randomized, double-blind. PATIENTS AND METHODS: Eighty patients undergoing elective or emergency surgery beyond the distal third of the upper limb were divided into two groups of 40 patients: the Warm group received 15ml bupivacaine 0.5 % heated to 37°C; the Cold group received 15ml 0.5% bupivacaine stored for at least 24hours in the lower compartment of a refrigerator at 13-15°C...
November 25, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27893490/total-wrist-arthrodesis-indications-and-clinical-outcomes
#9
David H Wei, Paul Feldon
Total wrist arthrodesis remains an important technique in the surgical armamentarium of upper extremity surgeons. The procedure has evolved over time but continues to provide reliable pain relief at the expense of wrist motion. It is indicated for management of a wide variety of upper extremity conditions, including rheumatoid arthritis, posttraumatic osteoarthritis, cerebral palsy, and brachial plexus injuries, and as a salvage technique after failed implant arthroplasty. Recent studies demonstrate high levels of patient satisfaction and good functional outcomes after bilateral wrist fusion...
November 22, 2016: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27891243/a-comprehensive-musculoskeletal-and-peripheral-nervous-system-assessment-of-war-related-bilateral-upper-extremity-amputees
#10
Mostafa Allami, Batool Mousavi, Mehdi Masoumi, Ehsan Modirian, Hadi Shojaei, Fatemeh Mirsalimi, Maryam Hosseini, Pirouz Pirouzi
BACKGROUND: Upper limb amputations are one of the unpleasant war injuries that armed forces are exposed to frequently. The present study aimed to assess the musculoskeletal and peripheral nervous systems in Iraq-Iran war veterans with bilateral upper extremity amputation. METHODS: The study consisted of taking a history and clinical examinations including demographic data, presence and location of pain, level of amputation, passive and active ranges of movement of the joints across the upper and lower extremities and spine, manual palpation, neurological examination, blood circulation pulses and issues related to a prosthetic limb...
2016: Military Medical Research
https://www.readbyqxmd.com/read/27885855/frameless-stereotactic-volumetric-modulated-arc-radiotherapy-of-brachial-plexus-tumours-in-dogs-10-cases
#11
Mario Dolera, Luca Malfassi, Cristina Bianchi, Nancy Carrara, Sara Finesso, Silvia Marcarini, Giovanni Mazza, Simone Pavesi, Massimo Sala, Gaetano Urso
OBJECTIVES: Treatment of canine peripheral nerve sheath tumours (PNSTs) is challenging, and prognosis after surgical resection is considered poor. The aim of this study was to evaluate the feasibility and the effectiveness of stereotactic radiotherapy of these tumours. METHODS: Ten dogs with clinical symptoms and MRI findings consistent with PNSTs of the brachial plexus, branches and nerve roots were treated with LINAC-based volumetric modulated arc radiotherapy (VMAT) with a dose of 35 Gy/5 fractions...
November 25, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27879550/successful-treatment-of-brachial-plexopathy-due-to-herpes-zoster-infection-with-intravenous-immunoglobulin
#12
Michel Sáenz-Farret, Valeria Sandoval-Rodríguez, Claudia Esther Paz-Navarro, Carlos Zúñiga-Ramírez
OBJECTIVE: The aim of this study was to report the case of a male patient with Parkinson disease who developed brachial plexopathy (BP) due to varicella-zoster virus, which was successfully treated with human immunoglobulin. METHOD: We report the case of a 75-year-old male subject with a diagnosis of Parkinson disease who came to our hospital complaining of pain, skin lesions, and strength loss in his right arm during the past 2 months. Physical examination revealed vesicular rash compatible with varicella-zoster virus lesions...
November 22, 2016: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/27877233/the-impact-of-clinical-stage-on-radiation-doses-to-organs-at-risk-following-intensity-modulated-radiotherapy-in-nasopharyngeal-carcinoma-a-prospective-analysis
#13
Lin Xu, Ji-Jin Yao, Guan-Qun Zhou, Wang-Jian Zhang, Guo-Long Liu, Li-Zhi Liu, Jun Ma, Ying Sun
Background: The development of intensity-modulated radiotherapy (IMRT) has revolutionized the management of nasopharyngeal carcinoma (NPC). The purpose of this study was to investigate the impact of clinical stage on radiation doses to organs at risk (OARs) in NPC. Material and Methods: One hundred and forty-eight patients with newly diagnosed and untreated NPC were prospectively enrolled. Based on the anatomic definition and pathogenesis of radiation induced injury, a total of 28 OARs surrounding the nasopharynx were contoured on axial computed tomography (CT) planning images in each patient...
2016: Journal of Cancer
https://www.readbyqxmd.com/read/27867570/small-cervical-incision-facilitates-minimally-invasive-resection-of-non-invasive-thoracic-inlet-tumor
#14
Han-Yu Deng, Zhi-Hui Li, Zhi-Qiang Wang, Yun-Cang Wang, Gang Li, Yi-Dan Lin, Lun-Xu Liu
BACKGROUND: A challenge for resection of thoracic inlet tumors lies in that high risk of injuring vital blood vessels and brachial plexus still exists during the resection. And the standard surgical approach for resection of thoracic inlet tumors has not yet been well established. METHODS: Small cervical incision-assisted minimally invasive surgical technique was developed and carried out in patients with non-invasive thoracic inlet tumor in our department. RESULTS: We successfully performed the small cervical incision-assisted minimally invasive surgery in two patients with thoracic inlet tumors...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27866248/microanatomy-of-the-brachial-plexus-roots-and-its-clinical-significance
#15
Li-Yuan Zhong, Ai-Ping Wang, Li Hong, Sheng-Hua Chen, Xian-Qin Wang, Yun-Cheng Lv, Tian-Hong Peng
PURPOSE: To provide the anatomical basis of brachial plexus roots for the diagnosis and treatment of brachial plexus root avulsion injury. METHODS: The morphological features of brachial plexus roots were observed and measured on 15 cervicothoracic spine of adult cadavers. The relationship of brachial plexus nerve roots and the surrounding tissues also were observed, as well as the blood supply of anterior and posterior roots of the brachial plexus. RESULTS: Origination of the nerve roots in the dorsal-ventral direction from the midline was fine-tuned at each level along the spinal cord...
November 19, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27863697/a-new-model-for-the-study-of-neuropathic-pain-after-brachial-plexus-injury
#16
Yuzhou Liu, Le Wang, Chong Meng, Yingjie Zhou, Jie Lao, Xin Zhao
The study was to introduce a new and reliable behavioral model of upper trunk of brachial plexus avulsion for the study of persistent neuropathic pain. 60 rats were divided into three groups randomly: upper trunk of brachial plexus avulsion (UTBPA) group (20), global brachial plexus avulsion (GBPA) group (20), and sham- operated group (20). The animals were tested for behavioral responsiveness before surgeries and 3, 7, 14, 21, 28, 56, 84days after surgeries. The injured level of spinal cord was resected and the sections were processed for GFAP (astrocyte) and Iba1 (microglia) immunohistochemistry 3 weeks after surgeries...
November 9, 2016: Injury
https://www.readbyqxmd.com/read/27859267/human-motoneurone-excitability-is-depressed-by-activation-of-5ht1a-receptors-with-buspirone
#17
Jessica M D'Amico, Annie A Butler, Martin E Héroux, Florence Cotel, Jean-François M Perrier, Jane E Butler, Simon C Gandevia, Janet L Taylor
Intense serotonergic drive in the turtle spinal cord results in serotonin spillover to the axon initial segment of the motoneurones where it activates 5HT1A receptors and inhibits generation of action potentials. We examined whether activation of 5HT1A receptors decreases motoneurone excitability in humans by determining the effects of a 5HT1A receptor partial agonist, buspirone, on F waves and cervicomedullary motor evoked potentials (CMEPs). In a placebo-controlled double-blind study, 10 participants were tested on two occasions where either placebo or 20 mg buspirone was administered orally...
November 17, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27858573/multiple-nerve-and-tendon-transfers-a-new-strategy-for-restoring-hand-function-in-a-patient-with-c7-t1-brachial-plexus-avulsions
#18
Bin Xu, Zhen Dong, Cheng-Gang Zhang, Yu-Dong Gu
C7-T1 brachial plexus palsies result in a loss of finger motion and hand function. The authors have observed that finger flexion motion can be recovered after a brachialis motor branch transfer. However, finger flexion strength after this procedure merely corresponds to Medical Research Council Grades M2-M3, lowering the grip strength and practical value of the reconstructed hand. Therefore, they used 2 donor nerves and accomplished double nerve transfers for stronger finger flexion. In a patient with a C7-T1 brachial plexus injury, they transferred the pronator teres branch to the anterior interosseous nerve and the brachialis motor branch to the flexor digitorum superficialis branch for reinnervation of full finger flexors...
November 18, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27834085/neonatal-brachial-plexus-palsy-and-causation
#19
EDITORIAL
M J Turner, M Farren
No abstract text is available yet for this article.
August 8, 2016: Irish Medical Journal
https://www.readbyqxmd.com/read/27833493/postoperative-visual-loss-following-dorsal-root-entry-zone-rhizotomy-a-dreaded-complication-after-a-benign-procedure
#20
R K Mishra, C Mahajan, A Bindra, K Goyal
Postoperative visual loss (POVL) is a rare but grave postoperative complication. It has been mainly reported in patients undergoing cardiac and spinal surgeries. Dorsal root entry zone (DREZ) is pain relieving procedure performed in patients with refractory neuropathic pain with minimal complication rate. We present a case of unilateral POVL following DREZ rhizotomy in prone position in a patient having brachial plexus neuropathy. Exact etiology of vision loss was though not clear; hypotension, use of vasopressors and hemodilution may have led to vision loss in this patient...
October 2016: Saudi Journal of Anaesthesia
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