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Brachial plexus

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https://www.readbyqxmd.com/read/29451212/is-it-necessary-to-use-the-entire-root-as-a-donor-when-transferring-contralateral-c-7-nerve-to-repair-median-nerve
#1
Kai-Ming Gao, Jie Lao, Wen-Jie Guan, Jing-Jing Hu
If a partial contralateral C 7 nerve is transferred to a recipient injured nerve, results are not satisfactory. However, if an entire contralateral C 7 nerve is used to repair two nerves, both recipient nerves show good recovery. These findings seem contradictory, as the above two methods use the same donor nerve, only the cutting method of the contralateral C 7 nerve is different. To verify whether this can actually result in different repair effects, we divided rats with right total brachial plexus injury into three groups...
January 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29446814/nerve-surgery-in-obstetric-brachial-plexus-palsy-report-of-68-cases
#2
Maher Barsaoui, Hatem Safi, Walid Said, Med Nabil Nessib
BACKGROUND: Obstetric brachial plexus palsy aredue to elongation of the brachial plexus during delivery by increasing thedistance between the head and shoulder. The majority of paralysis recoverspontaneously, but in some cases, nerve repair is necessary. The timing of thisnerve surgery and criteria for its indication are topics of discussion in theworld literature.The aim of this study is to askdirections and to evaluate the contribution of nerve surgery in improving theprognosis of this disease...
March 2017: La Tunisie Médicale
https://www.readbyqxmd.com/read/29444175/tomographic-optical-imaging-of-cortical-responses-after-crossing-nerve-transfer-in-mice
#3
Keiichi Maniwa, Haruyoshi Yamashita, Hiroaki Tsukano, Ryuichi Hishida, Naoto Endo, Minoru Shibata, Katsuei Shibuki
To understand the neural mechanisms underlying the therapeutic effects of crossing nerve transfer for brachial plexus injuries in human patients, we investigated the cortical responses after crossing nerve transfer in mice using conventional and tomographic optical imaging. The distal cut ends of the left median and ulnar nerves were connected to the central cut ends of the right median and ulnar nerves with a sciatic nerve graft at 8 weeks of age. Eight weeks after the operation, the responses in the primary somatosensory cortex (S1) elicited by vibratory stimulation applied to the left forepaw were visualized based on activity-dependent flavoprotein fluorescence changes...
2018: PloS One
https://www.readbyqxmd.com/read/29434794/biomechanical-analysis-of-brachial-plexus-injury-availability-of-three-dimensional-finite-element-model-of-the-brachial-plexus
#4
Atsushi Mihara, Tsukasa Kanchiku, Norihiro Nishida, Haruki Tagawa, Junji Ohgi, Hidenori Suzuki, Yasuaki Imajo, Masahiro Funaba, Daisuke Nakashima, Xian Chen, Toshihiko Taguchi
Adult brachial plexus injuries frequently lead to significant and permanent physical disabilities. Investigating the mechanism of the injury using biomechanical approaches may lead to further knowledge with regard to preventing brachial plexus injuries. However, there are no reports of biomechanical studies of brachial plexus injuries till date. Therefore, the present study used a complex three-dimensional finite element model (3D-FEM) of the brachial plexus to analyze the mechanism of brachial plexus injury and to assess the validity of the model...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29429212/-the-sources-of-emboli-in-patients-with-pulmonary-embolism-diagnosed-by-autopsy
#5
H Yang, X M Xu, B M Fang
Objective: To study the sources of emboli in patients with pulmonary embolism diagnosed by autopsy, and therefore to provide help in the diagnosis and treatment of thromboembolism. Methods: We retrospectively analyzed the pathology and clinical data of 43 patients with pulmonary embolism diagnosed by autopsy from 1962 to 2012 in Beijing Hospital. Results: In patients with pulmonary embolism diagnosed by autopsy, 32.6% of the emboli came from deep veins of the lower extremities, 9.3% from the renal vein, 9.3% from the prostate sinus, 7...
February 12, 2018: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29421066/complications-in-surgery-for-brachial-plexus-birth-injury-avoidance-and-treatment
#6
REVIEW
John A I Grossman, Andrew Price, Harvey Chim
Brachial plexus birth injuries are rare, with treatment and follow-up often required from infancy until skeletal maturity. We review complications that may occur related to primary nerve surgery or secondary musculoskeletal procedures, and discuss how these may be avoided.
February 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29416250/a-study-of-the-efficacy-of-stellate-ganglion-blocks-in-complex-regional-pain-syndromes-of-the-upper-body
#7
Rashmi Datta, Jyotsna Agrawal, Amit Sharma, Vikram Singh Rathore, Shivesh Datta
Background and Aims: The effect of stellate ganglion blocks (SGBs) was examined in complex regional pain syndromes (CRPS) of the upper body. Material and Methods: A total of 287 SGB were given to patients with documented CRPS on medications. Spontaneous and provoked pain assessment was done with numeric pain rating scale (NPRS). The Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire and range of motion (ROM) was recorded before and after each blockade...
October 2017: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29414627/infraclavicular-versus-axillary-nerve-catheters-a-retrospective-comparison-of-early-catheter-failure-rate
#8
Michaela B Quast, Hans P Sviggum, Andrew C Hanson, David E Stoike, David P Martin, Adam D Niesen
STUDY OBJECTIVES: Continuous brachial plexus catheters are often used to decrease pain following elbow surgery. This investigation aimed to assess the rate of early failure of infraclavicular (IC) and axillary (AX) nerve catheters following elbow surgery. DESIGN: Retrospective study. SETTING: Postoperative recovery unit and inpatient hospital floor. PATIENTS: 328 patients who received IC or AX nerve catheters and underwent elbow surgery were identified by retrospective query of our institution's database...
February 3, 2018: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/29413901/mir-137-3p-rescue-motoneuron-death-by-targeting-calpain-2
#9
Ying Tang, Rao Fu, Ze-Min Ling, Lin-Lin Liu, Guang-Yin Yu, Wen Li, Xin-Yu Fang, Zhe Zhu, Wu-Tian Wu, Li-Hua Zhou
Brachial plexus root avulsion (BPRA) is a type of injury that leads to motor function loss as a result of motoneurons (MNs) degeneration. Here we identified that the reduced expression of rat miR-137-3p in the ventral horn of spinal cord was associated with MNs death. However, the pathophysiological role of miR-137-3p in root avulsion remains poorly understood. We demonstrated that the calcium-activated neutral protease-2 (calpain-2) was a direct target gene of miR-137-3p with miR-137-3p binding to the 3'-untranslated region of calpain-2...
January 26, 2018: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/29406348/development-of-a-questionnaire-to-measure-impact-and-outcomes-of-brachial-plexus-injury
#10
Carol A Mancuso, Steve K Lee, Eliana B Saltzman, Zina Model, Zoe A Landers, Christopher J Dy, Scott W Wolfe
BACKGROUND: The physical and psychological impact of brachial plexus injury (BPI) has not been comprehensively measured with BPI-specific scales. Our objective was to develop and test a patient-derived questionnaire to measure the impact and outcomes of BPI. METHODS: We developed a questionnaire in 3 phases with preoperative and postoperative patients. Phase 1 included interviews of patients using open-ended questions addressing the impact of BPI and improvement expected (preoperative patients) or received (postoperative patients)...
February 7, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29401331/supraclavicular-thoracic-outlet-decompression-in-the-high-performance-military-population
#11
Joseph M White, Andrew J Soo Hoo, Scott R Golarz
Background: Neurogenic thoracic outlet syndrome (nTOS) is a relatively common disorder and often affects younger, physically active populations. The modern American military is a population at risk for the development of nTOS given the intense physical training requirements. The purpose of this study is to determine functional recovery in the active duty military population resulting in full, unrestricted return-to-duty status following supraclavicular thoracic outlet decompression with partial first rib resection, partial anterior scalenectomy, and brachial plexus neurolysis...
January 1, 2018: Military Medicine
https://www.readbyqxmd.com/read/29400678/a-comparative-study-of-rehabilitation-therapy-in-traumatic-upper-limb-peripheral-nerve-injuries
#12
Cristian Milicin, Elena Sîrbu
INTRODUCTION: Lower motor neurons are the only neurons of the central nervous system (CNS) with the ability to regenerate without any intervention after an axotomy. AIM: This present study was conducted to analyze clinical and electrophysiological parameters in four groups of upper limb peripheral neuropathies, before and after treatment, comparing the results obtained after three cures of complex rehabilitation therapy. MATERIALS AND METHODS: We selected a number of 107 patients (66 women and 41 men) aged between 29 and 77 years (mean age = 49...
2018: NeuroRehabilitation
https://www.readbyqxmd.com/read/29399848/evaluation-of-the-brachial-plexus-with-shear-wave-elastography-after-radiotherapy-for-breast-cancer
#13
Turgut Kültür, Müyesser Okumuş, Mikail İnal, Selim Yalçın
OBJECTIVES: The aim of this study was to analyze the elasticity characteristics of the brachial plexus by shear wave elastography (SWE) in patients receiving radiation therapy (RT) for breast cancer and to compare them with their contralateral brachial plexus to evaluate whether elasticity properties can be used as supporting findings for the early diagnosis of brachial plexus involvement in patients receiving RT. METHODS: A prospective analysis with electromyography and SWE was performed on 23 brachial plexuses of patients receiving RT for breast cancer and their contralateral brachial plexuses...
February 5, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29398529/a-sonographic-investigation-for-the-development-of-ultrasound-guided-paravertebral-brachial-plexus-block-in-dogs-cadaveric-study
#14
Paolo Monticelli, Ella Fitzgerald, Jaime Viscasillas
OBJECTIVE: To describe a novel in-plane ultrasound (US)-guided approach to the sixth (C6), seventh (C7), eighth (C8) cervical and to the first thoracic (T1) spinal nerves. STUDY DESIGN: Prospective, descriptive, experimental anatomic study. ANIMALS: A total of seven canine Beagle cadavers. METHODS: Phase 1: One cadaver was used to define bony landmarks for the C6-T1 spinal nerves using computed tomography (CT) and magnetic resonance imaging...
September 15, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29398309/percutaneous-axillary-artery-access-for-endovascular-interventions
#15
Emily Harris, Courtney J Warner, Jeffrey C Hnath, Yaron Sternbach, R Clement Darling
BACKGROUND: As endovascular therapy becomes increasingly complex, adjunct techniques such as upper extremity arterial access facilitate visceral branch interventions. The purpose of this study was to assess the viability of axillary artery percutaneous access in endovascular repair. METHODS: Records of all patients undergoing axillary artery percutaneous access as part of an endovascular intervention from December 2015 to December 2016 were examined. Demographics of the patients (age, sex, medical comorbidities, smoking status, and anticoagulation) were documented...
February 1, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29396981/novel-surgical-approach-for-decompression-of-the-scalene-triangle-in-neurogenic-thoracic-outlet-syndrome
#16
Robert R Hagan, Joseph A Ricci, Kyle R Eberlin
Thoracic outlet syndrome (TOS) is a cause of upper extremity and shoulder dysfunction. TOS can present with a wide range of symptoms due to compression of the brachial plexus or its branches during their passage through the cervicothoracobrachial region or scalene triangle. There are three types of TOS: arterial, venous, and neurogenic. Neurogenic TOS (nTOS) is by far the most frequent type and represents more than 95% of all cases. Historically, surgical intervention for all types of TOS has evolved based on the treatment for a vascular etiology and has typically included a first rib resection...
February 2, 2018: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/29395601/reliability-and-validity-of-the-brachial-plexus-outcome-measure-in-children-with-obstetric-brachial-plexus-palsy
#17
Zeynep Hosbay, Safiye Ozkan, Muberra Tanriverdi, Atakan Aydin
STUDY DESIGN: Clinical measurement and cross-sectional study. INTRODUCTION: Numerous scales have been developed to examine activities of daily living and function in children with brachial plexus palsy. The Brachial Plexus Outcome Measure (BPOM) scale was developed in 2012 by Emily S. Ho and contains 14 items that measure activity and self-evaluation. PURPOSE OF THE STUDY: The aim of the study was to cross-culturally translate the BPOM scale into Turkish and test its measurement properties in children with brachial plexus palsy...
January 27, 2018: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/29395588/retropharyngeal-contralateral-c7-nerve-transfer-to-the-lower-trunk-for-brachial-plexus-birth-injury-technique-and-results
#18
Anthony T Vu, Darlene M Sparkman, Christopher J van Belle, Kevin P Yakuboff, Ann R Schwentker
PURPOSE: Brachial plexus birth injuries with multiple nerve root avulsions present a particularly difficult reconstructive challenge because of the limited availability of donor nerves. The contralateral C7 has been described for brachial plexus reconstruction in adults but has not been well-studied in the pediatric population. We present our technique and results for retropharyngeal contralateral C7 nerve transfer to the lower trunk for brachial plexus birth injury. METHODS: We performed a retrospective review...
January 29, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29385821/reflections-of-patients-and-therapists-on-a-multidisciplinary-rehabilitation-programme-for-persons-with-brachial-plexus-injuries
#19
Renske M J Janssen, Ton Satink, Jos Ijspeert, Nens van Alfen, Jan T Groothuis, Tanya L Packer, Edith H C Cup
PURPOSE: There is lack of knowledge, evidence, and guidelines for rehabilitation interventions for persons with neuralgic amyotrophy (NA) or brachial plexus pathology. A first pilot study, evaluating the effect of an integrated rehabilitation programme, showed improvements in activity and participation levels. AIM: To gain insight, from the perspective of patients and therapists, into the critical ingredients of the programme, that contributed to improvements in activity and participation...
January 31, 2018: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29381590/simulation-of-shoulder-dystocia-for-skill-acquisition-and-competency-assessment-a-systematic-review-and-gap-analysis
#20
Edith D Gurewitsch Allen
Mastery of shoulder dystocia management skills acquired via simulation training can reduce neonatal brachial plexus injury by 66% to 90%. However, the correlation between simulation drills and reduction in clinical injuries has been inconsistently replicated, and establishing a causal relationship between simulation training and reduction of adverse clinical events from shoulder dystocia is infeasible due to ethical limitations. Nevertheless, professional liability insurance carriers increasingly are mandating simulation-based rehearsal and competency assessment of their covered obstetric providers' shoulder dystocia management skills-a high-stakes demand that will require rapid scaling up of access to quality shoulder dystocia simulation...
January 29, 2018: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
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