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Brachial plexus

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https://www.readbyqxmd.com/read/29029335/cortical-reorganization-in-dual-innervation-by-single-peripheral-nerve
#1
Mou-Xiong Zheng, Yun-Dong Shen, Xu-Yun Hua, Ao-Lin Hou, Yi Zhu, Wen-Dong Xu
BACKGROUND: Functional recovery after peripheral nerve injury and repair is related with cortical reorganization. However, the mechanism of innervating dual targets by 1 donor nerve is largely unknown. OBJECTIVE: To investigate the cortical reorganization when the phrenic nerve simultaneously innervates the diaphragm and biceps. METHODS: Total brachial plexus (C5-T1) injury rats were repaired by phrenic nerve-musculocutaneous nerve transfer with end-to-side (n = 15) or end-to-end (n = 15) neurorrhaphy...
September 21, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29026822/intraoperative-nerve-stimulation-during-brachial-plexus-surgery-comparison-between-a-totally-disposable-nerve-stimulator-and-nerve-stimulator-normally-used-for-nerve-blocks
#2
Ahmed Thallaj, Wadha M Alotaibi, Tariq AlZahrani, Abdulaziz S Abaalkhail, Amel A F El-Sayed, Mohammad M Al-Qattan
BACKGROUND: Intraoperative nerve stimulation is done routinely in brachial plexus and peripheral nerve surgery as well as in selective neurectomy in spastic patients. OBJECTIVE: The current study compares the use of 2 different devices for nerve stimulation: a totally disposable nerve stimulator and a nerve stimulator used for nerve blocks by anesthetists. METHODS: A retrospective study of 60 patients who underwent brachial plexus surgery: In 30 patients, we used the totally disposable nerve stimulator (group 1) and in another 30 patients, we used the anesthesia device (group 2)...
August 2017: Plastic Surgery
https://www.readbyqxmd.com/read/29016426/the-epidemiology-of-brachial-plexus-birth-palsy-in-the-united-states-declining-incidence-and-evolving-risk-factors
#3
Christopher J DeFrancesco, Divya K Shah, Benjamin H Rogers, Apurva S Shah
BACKGROUND: The epidemiology of brachial plexus birth palsy (BPBP) in the United States may be changing over time due to population-level changes in obstetric care. METHODS: The Kids' Inpatient Database from 1997 to 2012 was analyzed. Annual estimates of BPBP incidence and disease determinant distribution were calculated for the general population and the study population with BPBP. Long-term trends were analyzed. A multivariate logistic regression model was used to quantify the risk associated with each determinant...
October 9, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28993994/efficacy-and-factors-determining-the-outcome-of-dorsal-root-entry-zone-lesioning-procedure-drezotomy-in-the-treatment-of-intractable-pain-syndrome
#4
Nontaphon Piyawattanametha, Bunpot Sitthinamsuwan, Pramote Euasobhon, Nantthasorn Zinboonyahgoon, Pranee Rushatamukayanunt, Sarun Nunta-Aree
BACKGROUND: Chronic pain is a disabling condition that adversely affects patient quality of life. The dorsal root entry zone lesioning procedure (DREZotomy) is a modality used to treat intractable pain caused by insults to neural structures. This study aimed to investigate the efficacy of and the factors that determine the outcome of microsurgical DREZotomy (MDT). METHOD: All consecutive patients who underwent MDT for treatment of intractable pain during September 2008 to December 2016 were enrolled...
October 9, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28993035/outcomes-of-hybrid-procedure-for-type-b-aortic-dissection-with-an-aberrant-right-subclavian-artery
#5
Huanyu Ding, Songyuan Luo, Yuan Liu, Wenhui Huang, Minchun Jiang, Jie Li, Nianjin Xie, Xiaoping Fan, Ruixin Fan, Jianfang Luo
OBJECTIVE: To report our single-center experience of the hybrid procedure for type B aortic dissection (TBAD) with an aberrant right subclavian artery (ARSA) and the early to midterm outcomes in these patients. METHODS: From December 2011 to February 2016, 16 patients (12 males; median age, 51 years; range, 40-66 years) underwent thoracic endovascular aortic repair and extraanatomic bypass hybrid procedure for TBAD with an ARSA in our center. Demographics, coexisting medical conditions, imaging features, operation details, and follow-up outcomes of these patients were collected retrospectively and analyzed...
October 6, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28989239/scarring-of-the-c8-t1-roots-with-partial-avulsion-in-situ-in-total-obstetric-brachial-plexus-palsy
#6
Mohammad M Al-Qattan, Amel A F El-Sayed
BACKGROUND: Primary exploration of the brachial plexus in infants with obstetric palsy may reveal scarring of the lower roots with evidence of partial avulsion-in-situ. As we have been treating this lesion by neurolysis only, we aimed to investigate the recovery of hand function following such approach. METHODS: A series of 14 cases of total obstetric palsy with with evidence of partial avulsion-in-situ of the lower roots were included. All lesions were treated by neurolysis only (with no neurotization of the lower roots)...
2017: European Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28987674/accuracy-of-mr-neurography-in-the-diagnosis-of-brachial-plexopathy
#7
Julia Crim, Kevin Ingalls
OBJECTIVE: To assess the accuracy of MR neurography (MRN) for the diagnosis for brachial plexopathy. MATERIALS AND METHODS: Forty-three 43 consecutive cases or MRN with electrodiagnostic study correlation were reviewed independently by 2 readers. Established diagnostic criteria were employed: increased signal intensity, enlargement, loss of fascicular pattern, perineural edema and enhancement after administration of gadolinium contrast. An additional 37 cases without electrodiagnostic correlation were included in a second portion of the study, which evaluated interobserver variability...
October 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28984513/fascicular-shifting-a-novel-technique-to-overcome-large-nerve-defects
#8
Maria Hader, Matthias E Sporer, Aidan D Roche, Ewald Unger, Konstantin D Bergmeister, Robert Wakolbinger, Oskar C Aszmann
OBJECTIVE Over the last decade, a number of authors have investigated the utility of different biological and synthetic matrices as alternatives to conventional nerve grafts. However, the autologous nerve graft remains the gold standard, even though it often involves using a pure sensory nerve to reconstruct a mixed or even a pure motor nerve. Furthermore, limited donor sites often necessitate a significant mismatch of needed nerve tissue, especially for large proximal nerve defects such as brachial plexus lesions...
October 6, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28982108/intraoperative-neurophysiological-monitoring-motor-and-somatosensory-evoked-potentials-in-dorsal-root-entry-zone-lesioning-for-brachial-plexus-avulsion-pain
#9
Byung-Chul Son, Jin-Gyu Choi, Sang-Woo Ha, Deog-Ryeong Kim
AIMS: To address the feasibility and importance of intraoperative neurophysiological monitoring (IONM) in dorsal root entry zone (DREZ) lesioning for brachial plexus avulsion pain. METHODS: Muscle motor evoked potential (mMEP) and somatosensory evoked potential (SSEP) were applied during DREZ lesioning for brachial plexus avulsion pain. RESULTS: IONM of mMEPs and SSEPs was feasible for monitoring of the spinal cord during DREZ lesioning. With the exception of 3 unrecordable mMEPs in ipsilateral arms, mMEPs were preserved and referenced to look for changes according to lesioning in 6 upper extremities (66...
October 6, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28977148/elective-amputation-of-the-upper-limb-is-an-option-in-the-treatment-of-traumatic-injuries-of-the-brachial-plexus
#10
Mário Gilberto Siqueira, Roberto Sérgio Martins, Carlos Otto Heise, Luciano Foroni
The treatment of complete post-traumatic brachial plexus palsy resulting in a flail shoulder and upper extremity remains a challenge to peripheral nerve surgeons. The option of upper limb amputation is controversial and scarcely discussed in the literature. We believe that elective amputation still has a role in the treatment of select cases. The pros and cons of the procedure should be intensely discussed with the patient by a multidisciplinary team. Better outcomes are usually achieved in active patients who strongly advocate for the procedure...
September 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28977143/correlation-between-motor-function-recovery-and-daily-living-activity-outcomes-after-brachial-plexus-surgery
#11
Sonia Regina Ferreira, Roberto Sérgio Martins, Mário G Siqueira
OBJECTIVE: To establish the correlation between clinical evaluation of motor function recovery and daily living activities in 30 patients with upper traumatic brachial plexus injury submitted to surgery. METHODS: The score of the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire and the Louisiana State University Health Sciences Center (LSUHSC) scale were determined in 30 patients. Epidemiologic factors were also examined and correlations were determined...
September 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28976477/diagnostic-value-of-magnetic-resonance-neurography-in-cervical-radiculopathy-plexus-patterns-and-peripheral-nerve-lesions
#12
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/28974982/current-concept-in-adult-peripheral-nerve-and-brachial-plexus-surgery
#13
REVIEW
Lukas Rasulic
Peripheral nerve injuries and brachial plexus injuries are relatively frequent. Significance of these injuries lies in the fact that the majority of patients with these types of injuries constitute working population. Since these injuries may create disability, they present substantial socioeconomic problem nowadays. This article will present current state-of-the-art achievements of minimal invasive brachial plexus and peripheral nerve surgery. It is considered that the age of the patient, the mechanism of the injury, and the associated vascular and soft-tissue injuries are factors that primarily influence the extent of recovery of the injured nerve...
January 2017: Journal of Brachial Plexus and Peripheral Nerve Injury
https://www.readbyqxmd.com/read/28970979/all-endoscopic-brachial-plexus-complete-neurolysis-for-idiopathic-neurogenic-thoracic-outlet-syndrome-surgical-technique
#14
Thibault Lafosse, Malo Le Hanneur, Laurent Lafosse
Neurogenic thoracic outlet syndrome is caused by a neurologic compression of the brachial plexus before it reaches the arm. Three anatomic areas are common locations for such an entrapment because of their congenital and/or acquired tightness: the interscalene triangle, the costoclavicular space, and the retropectoralis minor space. Because the compression level usually remains unknown, the treatment is still controversial and most teams focus on only one potential site. We propose an all-endoscopic technique of complete brachial plexus neurolysis that can be divided into three parts, one for each entrapment area...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28961945/age-as-a-predictor-of-long-term-results-in-patients-with-brachial-plexus-palsies-undergoing-surgical-repair
#15
Mariano Socolovsky, Gilda di Masi, Gonzalo Bonilla, Ana Carolina Lovaglio, Dan López
BACKGROUND: Among other factors, like the time from trauma to surgery or the number of axons that reach the muscle target, a patient's age might also impact the final results of brachial plexus surgery. OBJECTIVE: To identify (1) any correlations between age and the 2 outcomes: elbow flexion strength and shoulder abduction range; (2) whether childhood vs adulthood influences outcomes; and (3) other baseline variables associated with surgical outcomes. METHODS: Twenty pediatric patients (under age 20 yr) who had sustained a traumatic brachial plexus injury were compared against 20 patients, 20 to 29 yr old, and 20 patients, 30 yr old or older...
August 16, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28953949/effect-of-tramadol-as-an-adjuvant-to-local-anesthetics-for-brachial-plexus-block-a-systematic-review-and-meta-analysis
#16
Hye Won Shin, Bum Jun Ju, Yoo Kyung Jang, Hae Seun You, Hyun Kang, Ji Yong Park
BACKGROUND: Tramadol, a 4-phenyl-piperidine analog of codeine, has a unique action in that it has a central opioidergic, noradrenergic, serotonergic analgesic, and peripheral local anesthetic (LA) effect. Many studies have reported contradictory findings regarding the peripheral analgesic effect of tramadol as an adjuvant to LA in brachial plexus block (BPB). This meta-analysis aimed to evaluate the effects of tramadol as an adjunct to LA in BPB during shoulder or upper extremity surgery...
2017: PloS One
https://www.readbyqxmd.com/read/28950736/effects-of-early-nerve-repair-on-experimental-brachial-plexus-injury-in-neonatal-rats
#17
Gráinne Bourke, Aleksandra M McGrath, Mikael Wiberg, Lev N Novikov
Obstetrical brachial plexus injury refers to injury observed at the time of delivery, which may lead to major functional impairment in the upper limb. In this study, the neuroprotective effect of early nerve repair following complete brachial plexus injury in neonatal rats was examined. Brachial plexus injury induced 90% loss of spinal motoneurons and 70% decrease in biceps muscle weight at 28 days after injury. Retrograde degeneration in spinal cord was associated with decreased density of dendritic branches and presynaptic boutons and increased density of astrocytes and macrophages/microglial cells...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28944946/nerve-grafting-vs-common-infraclavicular-intraplexal-nerve-transfer-in-elbow-flexion-restoration
#18
Vesna SİMİć, Andrija SAVİć, Milan JOVANOVİć, Filip VİTOšEVİć, Branko ĐUROVİć, Čedomir MİLOšEVİć, Novak LAKİćEVİć, Miroslav SAMARDžİć, Lukas RASULİć
AIM: The aim of this study is to compare the results of nerve grafting vs. common infraclavicular intraplexal nerve transfer in elbow flexion restoration. MATERIAL AND METHODS: The study included 39 patients with upper brachial plexus palsy who were operated using common intraplexal nerve transfer (Oberlin procedure) and the thoracodorsal and medial pectoral nerve transfer to the musculocutaneous nerve or grafting of C5 to the musculocutneous nerve, for elbow flexion restoration...
July 12, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28944700/participation-restrictions-among-adolescents-and-adults-with-neonatal-brachial-plexus-palsy-the-patient-perspective
#19
Menno van der Holst, Jeroen Groot, Duco Steenbeek, Willem Pondaag, Rob Ghh Nelissen, Thea Pm Vliet Vlieland
PURPOSE: To examine the impact of neonatal brachial plexus palsy (NBPP) on societal participation of adolescents and adults. METHODS: This cross-sectional study was conducted among patients with NBPP, aged ≥16 years, who had visited our NBPP clinic. Patients completed questions on the influence of NBPP on their choices regarding education/work and their work-performance, the Impact on Participation/Autonomy questionnaire and the Utrecht Scale for Evaluation of Rehabilitation-Participation (USER-P)...
September 24, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28943070/structural-glenoid-grafting-during-primary-reverse-total-shoulder-arthroplasty-using-humeral-head-autograft
#20
Robert Z Tashjian, Erin Granger, Peter N Chalmers
BACKGROUND: Large glenoid bone defects in the setting of glenohumeral arthritis can present a challenge to the shoulder arthroplasty surgeon. The results of large structural autografting at the time of reverse total shoulder arthroplasty (RTSA) are relatively unknown. METHODS: This retrospective case series describes the clinical and radiographic results of large structural autografting from the humeral head to the glenoid during primary RTSA. RESULTS: Of 17 patients who met inclusion criteria, 14 (82% follow-up) were evaluated postoperatively at a mean of 2...
September 22, 2017: Journal of Shoulder and Elbow Surgery
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