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Plexus injury

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https://www.readbyqxmd.com/read/29160240/remapping-cortical-modulation-for-electrocorticographic-brain-computer-interfaces-a-somatotopy-based-approach-in-individuals-with-upper-limb-paralysis
#1
Alan D Degenhart, Shivayogi V Hiremath, Ying Yang, Stephen T Foldes, Jennifer L Collinger, Michael L Boninger, Elizabeth C Tyler-Kabara, Wei Wang
OBJECTIVE: Brain-computer interface (BCI) technology aims to provide individuals with paralysis a means to restore function. Electrocorticography (ECoG) uses disc electrodes placed on either the surface of the dura or the cortex to record field potential activity. ECoG has been proposed as a viable neural recording modality for BCI systems, potentially providing stable, long-term recordings of cortical activity with high spatial and temporal resolution. Previously we have demonstrated that a subject with spinal cord injury (SCI) could control an ECoG-based BCI system with up to three degrees of freedom [Wang et al...
November 21, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29159805/the-anatomy-of-the-infrarenal-lumbar-splanchnic-nerves-in-human-cadavers-implications-for-retroperitoneal-nerve-sparing-surgery
#2
Tyler S Beveridge, Dale E Fournier, Adam M R Groh, Marjorie Johnson, Nicholas E Power, Brian L Allman
Injury to the nerves of the aortic- and superior hypogastric plexuses during retroperitoneal surgery often results in significant post-operative complications, including retrograde ejaculation and/or loss of seminal emission in males. Although previous characterizations of these plexuses have done well to provide a basis for understanding the typical anatomy, additional research into the common variations of these plexuses could further optimize nerve-sparing techniques for retroperitoneal surgery. To achieve this, the present study aimed to document the prevalence and positional variability of the infrarenal lumbar splanchnic nerves (LSNs) through gross dissection of 26 human cadavers...
November 21, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/29157770/the-prevention-and-recognition-of-ulnar-nerve-and-brachial-plexus-injuries
#3
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/29145043/diagnostic-accuracy-of-magnetic-resonance-imaging-in-post-traumatic-brachial-plexus-injuries-a-systematic-review
#4
REVIEW
Helen K B Fuzari, Armèle Dornelas de Andrade, Clarice F Vilar, Larissa B Sayão, Paula R B Diniz, Fernando H Souza, Daniella A de Oliveira
Computed Tomographic Myelography (CTM) is a gold-standard imaging test for evaluating the brachial plexus and has been used for a long time. Another imaging test more recently used is Magnetic Resonance imaging (MRI), which is also part of the plexus evaluation. The purpose of this study was to determine the accuracy of MRI in diagnosing post-traumatic injuries of the brachial plexus. We conducted a Systematic Review with cross-sectional studies of diagnostic accuracy. Studies with populations presenting post-traumatic brachial plexus injury, over 16 years old, both genders, and examined by CT Myelography and MRI were evaluated...
November 11, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29135478/contralateral-involvement-of-congenital-muscular-torticollis-and-clavicular-fracture
#5
Shin-Young Yim, Kihong Chang, Ah-Reum Ahn, Eun Ji Park, Jongwoo Kim
Congenital muscular torticollis (CMT) is known to concur with some conditions such as developmental dysplasia of the hip or brachial plexus injury, which gives us some insights for pathogenesis of CMT. While clavicular fracture is the most common fracture in newborns, little is known about concurrence of CMT and clavicular fracture. Our clinical experience led us to realize that concurrence of CMT and clavicular fracture tended to occur on the contralateral side for each other rather than the ipsilateral side...
November 10, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/29133708/demonstration-of-autonomic-dysfunction-in-traumatic-brachial-plexus-injury-using-quantitative-sudomotor-axon-reflex-test-preliminary-results
#6
Satyakam Baruah, Akhil Deepika, Dhaval Shukla, Bhagavatula Indira Devi, Veeramani Preethish-Kumar, Talakad N Sathyaprabha
OBJECTIVE: To objectively document autonomic dysfunction in the affected arm with traumatic brachial plexus injury (TBPI) using quantitative sudomotor axon reflex test (QSART). MATERIALS AND METHODS: Patients with TBPI presenting to the neurosurgical outpatient department from August 2013 to November 2014 were included in the study. The QSART was administered to each patient with prior informed consent detailing the procedure. A total of 20 patients with TBPI were included in the study...
November 2017: Neurology India
https://www.readbyqxmd.com/read/29133688/assessment-of-autonomic-dysfunction-in-traumatic-brachial-plexus-injury-a-regional-pain-management-strategy-or-merely-a-research-tool
#7
Manish Singh Sharma
No abstract text is available yet for this article.
November 2017: Neurology India
https://www.readbyqxmd.com/read/29133687/demonstration-of-autonomic-dysfunction-in-traumatic-brachial-plexus-injury-using-quantitative-sudomotor-axon-reflex-test
#8
Vanessa Sammons, Rajiv Midha
No abstract text is available yet for this article.
November 2017: Neurology India
https://www.readbyqxmd.com/read/29131235/anatomical-variations-of-brachial-plexus-in-fetal-cadavers
#9
Alparslan Kirik, Senem Ertuğrul Mut, Mehmet Kadri Daneyemez, Halil İbrahim Seçer
AIM: The plexus brachialis is a complex structure with anatomical variations and connections with neighboring tissues. These variations may cause disparity in the motor and sensorial innervations of the upper extremity. The knowledge of anatomy and probable variations are important for performing surgical procedures in the neck, shoulder and axilla. This study was planned to demonstrate the anatomical variations of infantile brachial plexus. MATERIAL AND METHODS: A total of 20 plexus brachialis from 11 fetal cadavers were dissected and examined microscopically...
October 18, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/29130653/-advances-in-diagnosis-and-treatment-of-posterior-distal-injury-of-pelvic-fracture
#10
REVIEW
Zhen Tan, Guang-Lin Wang
Pelvic fracture is one of the common diseases of traumatic orthopedics. With the increase of accidents such as traffic accidents,high craters and crush injuries in China,the incidence of pelvic fractures is also increasing year by year. Since pelvic bones and the ligament structure are close to neurovascular,cavity organs and the urogenital structure,early diagnosis and treatment of pelvic fractures is essential for preventing early complications and late sequelae. The treatment of pelvic ring injury has been the focus of pelvic fracture treatment,which determines the outcome of treatment...
September 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29124342/connections-between-radial-and-ulnar-nerve-at-high-humeral-level-in-cadavers-incidence-topography-and-literature-review
#11
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/29122580/psychometric-evaluation-of-the-brachial-assessment-tool-part-1-reproducibility
#12
Bridget Hill Grad, Gavin Williams, John Olver, Scott Ferris, Andrea Bialocerkowski
OBJECTIVE: To evaluate reproducibility (reliability and agreement) of the Brachial Assessment Tool (BrAT) a new patient-reported outcome measure for adults with traumatic Brachial Plexus Injury (BPI) DESIGN: Prospective repeated measure design SETTING: Outpatient clinics PARTICIPANTS: Adults with confirmed traumatic BPI INTERVENTION: 43 people (age range 19-82) with BPI completed the 31-item 4-response BrAT twice, 2 weeks apart. Results for the 3 subscales and summed score were compared at time 1 and time 2 to determine reliability including systematic differences using paired t tests; test retest using Intraclass Correlation Coefficient (ICC 1,1) and internal consistency using Cronbach alpha...
November 6, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29113795/a-novel-rat-model-of-brachial-plexus-injury-with-nerve-root-stumps
#13
Jintao Fang, Jiantao Yang, Yi Yang, Liang Li, Bengang Qin, Wenting He, Liwei Yan, Gang Chen, Zhehui Tu, Xiaolin Liu, Liqiang Gu
BACKGROUND: The C5-C6 nerve roots are usually spared from avulsion after brachial plexus injury (BPI) and thus can be used as donors for nerve grafting. To date, there are no appropriate animal models to evaluate spared nerve root stumps. Hence, the aim of this study was to establish and evaluate a rat model with spared nerve root stumps in BPI. NEW METHOD: In rupture group, the proximal parts of C5-T1 nerve roots were held with the surrounding muscles and the distal parts were pulled by a sudden force after the brachial plexus was fully exposed, and the results were compared with those of sham group...
November 4, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29103305/lower-trapezius-transfer-for-patients-with-brachial-plexus-injury
#14
Bruno E Crepaldi, José Queiroz L Neto, Marcelo R Rezende, Rames M Júnior, Daniele S Scarcella
BACKGROUND: Brachial plexus injury is a complex entity that often results in partial recovery. Most studies to date have focused on improving shoulder abduction. However, a recent technique has been outlined-one that transfers the lower trapezius to improve the external rotation of the shoulder. The primary objective of this study was to evaluate the gains in external rotation of the shoulder in patients who have undergone transfer of the lower trapezius; secondarily, we assessed the range of motion in the elbow and shoulder joints, as well as the muscle strength and quality of life...
November 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29099379/-complications-of-radical-prostatectomy
#15
Cristina Redondo, François Rozet, Guillermo Velilla, Rafael Sánchez-Salas, Xavier Cathelineau
OBJECTIVES: The aim of this article is to classify and describe the different types of complications of radical prostatectomy, their frequency of appearance, as well as the different factors that may influence their development. METHODS: A systematic review of the literature was carried out, based on the search of published articles between 2002 and 2015. RESULTS: Laparoscopic or robotic radical prostatectomy may require conversion into open surgery, and these cases are significantly associated with longer hospital stay and greater rate of complications...
November 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/29096351/a-case-report-of-an-isolated-fracture-through-the-radial-bicipital-tuberosity
#16
Kanta Imao, Hitoshi Miwa, Kazutoshi Watanabe, Norio Imai, Naoto Endo
INTRODUCTION: Generally, anatomical reduction of shaft fractures through operative treatment is necessary to restore the anatomical relationship of the forearm bones. However, a number of nerves and vessels are located in the proximal radius, which complicates surgery. In this study, we aimed to reduce postoperative complications by using a posterior approach. PRESENTATION OF CASE: We describe an isolated fracture through the radial bicipital tuberosity in a 69-year-old man caused by direct blunt force and our management of the fracture...
October 27, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29095186/nerve-repair-manual-a-practical-approach-to-injuries-and-repair-in-the-brachial-plexus-and-upper-extremity
#17
Brian D Rinker
No abstract text is available yet for this article.
October 31, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29077513/the-phrenic-nerve-transfer-in-the-treatment-of-a-septuagenarian-with-brachial-plexus-avulsion-injury-a-case-report
#18
Ye Jiang, Jie Lao
Phrenic nerve transfer has been a well-established procedure for restoring elbow flexion function in patients with brachial plexus avulsion injury. Concerning about probably detrimental respiratory effects brought by the operation, however, stirred up quite a bit of controversy. We present a case report of the successful application of phrenic nerve as donor to reinnervate the biceps in a septuagenarian with brachial plexus avulsion injury, not accompanied with significant clinical respiratory problem.
October 27, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29073501/nerve-transfer-to-relieve-pain-in-upper-brachial-plexus-injuries-does-it-work
#19
Mohammadreza Emamhadi, Sasan Andalib
OBJECTIVES: Patients with C5 and C6 nerve root avulsion may complain from pain. For these patients, end-to-side nerve transfer of the superficial radial nerve into the median nerve is suggested to relieve pain. PATIENTS AND METHODS: Eleven patients (with a primary brachial plexus reconstruction) undergoing end-to-side nerve transfer of the superficial radial nerve into the ulnovolar part of the median nerve were assessed. Pain before surgery was compared to that at 6-month follow-up using visual analog scale (VAS) scores...
October 16, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29064032/-shoulder-dislocations-in-elderly-patients
#20
REVIEW
N Hawi, D Ratuszny, E Liodakis, M Omar, C Krettek, R Meller
In contrast to shoulder dislocations in younger patients, anterior shoulder dislocation in the elderly is often associated with concomitant injuries to the rotator cuff and fractures. There is also frequent involvement of the brachial plexus or peripheral nerves. After closed reduction and a short period of immobilization, physiotherapy should be performed to restore mobility and strength. The evaluation of the rotator cuff is essential for further treatment decisions. The majority of patients are classically treated conservatively...
October 24, 2017: Der Unfallchirurg
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