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Plexus injury

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https://www.readbyqxmd.com/read/28932698/quantitative-magnetic-resonance-mr-neurography-for-evaluation-of-peripheral-nerves-and-plexus-injuries
#1
REVIEW
Teodoro Martín Noguerol, Rafael Barousse, Mariano Socolovsky, Antonio Luna
Traumatic conditions of peripheral nerves and plexus have been classically evaluated by morphological imaging techniques and electrophysiological tests. New magnetic resonance imaging (MRI) studies based on 3D fat-suppressed techniques are providing high accuracy for peripheral nerve injury evaluation from a qualitative point of view. However, these techniques do not provide quantitative information. Diffusion weighted imaging (DWI) and diffusion tensor imaging (DTI) are functional MRI techniques that are able to evaluate and quantify the movement of water molecules within different biological structures...
August 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28932283/glenohumeral-arthrodesis-for-late-reconstruction-of-flail-shoulder-in-patients-with-traumatic-supraclavicular-brachial-plexus-palsy
#2
Tanujan Thangarajah, Simon M Lambert
BACKGROUND: Flail shoulder can occur following a brachial plexus injury and is characterized by painful subluxation of the glenohumeral joint and the inability to independently position the hand in space. The present study aimed to report the clinical outcomes following glenohumeral arthrodesis for late reconstruction of flail shoulder in patients with traumatic supraclavicular brachial plexus palsy. METHODS: Seven patients were included in the present study and were followed-up for a mean of 98 months (range 27 months to 197 months)...
October 2017: Shoulder & Elbow
https://www.readbyqxmd.com/read/28927209/intraoperative-imaging-in-traumatic-peripheral-nerve-lesions-correlating-histologic-cross-sections-with-high-resolution-ultrasound
#3
S Shelby Burks, Iahn Cajigas, Jean Jose, Allan D Levi
BACKGROUND: Intraoperative ultrasound (US) has been used as a guide during surgery to better identify deep neuroanatomical structures. OBJECTIVE: To correlate histologic cross-sections from nerve samples taken at the time of surgery with axial, high-resolution US images at similar locations and validate this important tool for intraoperative guidance in nerve surgery. METHODS: Three subjects undergoing nerve repair procedures after traumatic nerve injuries were enrolled prospectively...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28919186/non-surgical-treatment-of-delayed-onset-brachial-plexopathy-due-to-hypertrophic-clavicular-callus-a-case-report
#4
REVIEW
Benjamin M Carpenter, David R Pettersson, Adam J Mirarchi, Drew Groshong, Hans L Carlson
Clavicular fractures are common injuries which are traditionally managed non-surgically without clinically significant sequelae. However, they may develop hypertrophic callus formation that compresses the brachial plexus. These cases may present months to years after initial injury with varying degrees of pain, paresthesia and weakness on the affected side, and are usually treated by surgical resection of the hypertrophic callus. We present a case of brachial plexopathy due to hypertrophic clavicular callus causing weakness and paresthesia...
September 12, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28915967/the-concept-of-protective-nerve-stimulation-for-ultrasound-guided-nerve-blocks
#5
Martin Ertmer, Edda Klotz, Jürgen Birnbaum
Regional plexus and nerve blocks are a common technique in modern anesthesia. Since ultrasound machines are available in many departments, the role of nerve stimulation is highly discussed and different approaches to perform the blocks are taken into account. Common technique for electrical nerve stimulation is searching for a stimulating threshold of 0.4-0.5mA using an impulse width of 0.1ms. We present our hypothesis of using all possible information with a new concept of protective nerve stimulation together with first data supporting our theory...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28905356/impact-of-shoulder-dystocia-stratified-by-type-of-manoeuvre-on-severe-neonatal-outcome-and-maternal-morbidity
#6
Flurina Michelotti, Christopher Flatley, Sailesh Kumar
BACKGROUND: Shoulder dystocia is an uncommon and unpredictable obstetric emergency. It is associated with significant neonatal, maternal and medico-legal consequences. AIM: To ascertain the impact shoulder dystocia has on severe neonatal and maternal outcomes specific to the type of manoeuvre. MATERIALS AND METHODS: This was a retrospective study of 48 021 term singleton vaginal deliveries the Mater Mothers' Hospital in Brisbane between 2007 and 2015...
September 14, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28902743/use-of-an-alternative-surgical-corridor-in-oblique-lateral-interbody-fusion-at-the-l5-s1-segment-a-technical-report
#7
Nam-Su Chung, Chang-Hoon Jeon, Han-Dong Lee
STUDY DESIGN: Technical report. OBJECTIVE: To demonstrate the use of an alternative surgical corridor in oblique lateral interbody fusion (OLIF) at the L5-S1 segment. SUMMARY OF BACKGROUND DATA: OLIF L5-S1 is essentially performed through the central disk space between the bifurcations of the iliac vessels, which is sometimes difficult due to the vascular structures that obstruct the surgical field. Another concern is retrograde ejaculation following superior hypogastric plexus injury in male patients...
September 11, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28901818/brachialis-muscle-transfer-for-reconstructing-digital-flexion-after-brachial-plexus-injury-or-forearm-injury
#8
Yun-Dong Shen, Mou-Xiong Zheng, Xu-Yun Hua, Yan-Qun Qiu, Ke-Jia Hu, Wen-Dong Xu
Restoration of digital flexion after brachial plexus injury or forearm injury has been a great challenge for hand surgeons. Nerve transfer and forearm donor muscle transfer surgeries are not always feasible. The present study aimed at evaluating the effectiveness of restoring digital flexion by brachialis muscle transfer. Ten lower brachial plexus- or forearm-injured patients were enrolled. After at least 12 months following surgery, the middle-finger-to-palm distance was less than 2.5 cm in six patients...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28894676/meta-analysis-of-long-thoracic-nerve-decompression-and-neurolysis-versus-muscle-and-tendon-transfer-operative-treatments-of-winging-scapula
#9
Rahul K Nath, Chandra Somasundaram
BACKGROUND: Injury to long thoracic and the spinal accessory nerves can cause winging scapula as a result of weakness and paralysis of the trapezius and serratus anterior muscles. Although these nerve and muscle operations have been reported to correct winging scapula due to various causes, there is no report on comparing the outcomes of these procedures in peer-reviewed Pubmed-indexed literature. In this article, we compared the improvements in the restoration of shoulder functions in winging scapula patients after long thoracic nerve decompression (LTND) in our present study with outcomes of muscle and tendon transfer operations published in the literature (Aetna cited articles)...
August 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28893848/a-review-of-10-years-of-scapula-injuries-sustained-by-uk-military-personnel-on-operations
#10
Darren C Roberts, D M Power, S A Stapley
BACKGROUND: Scapula fractures are relatively uncommon injuries, mostly occurring due to the effects of high-energy trauma. Rates of scapula fractures are unknown in the military setting. The aim of this study is to analyse the incidence, aetiology, associated injuries, treatment and complications of these fractures occurring in deployed military personnel. METHODS: All UK military personnel returning with upper limb injuries from Afghanistan and Iraq were retrospectively reviewed using the Royal Centre for Defence Medicine database and case notes (2004-2014)...
September 11, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28889774/vaginal-breech-delivery-at-term-and-neonatal-morbidity-and-mortality-a-population-based-cohort-study-in-sweden
#11
C Ekéus, M Norman, K Åberg, S Winberg, K Stolt, A Aronsson
INTRODUCTION: The routine to deliver almost all term breech cases by elective cesarean section (CS) has continued to be debated due to the risk of maternal and neonatal complications. The aims of the study were 1) to investigate if mode of delivery impacts on the risk of morbidity and mortality among term infants in breech presentation and 2) to compare the rates of severe neonatal complications and mortality in relation to presentation and mode of delivery. METHODS: This population-based cohort study used data from the Swedish Medical Birth Register...
September 10, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28888512/caring-for-a-child-with-an-obstetric-brachial-plexus-injury-a-metaphor-analysis
#12
Cheryl Tatano Beck
PURPOSE: The purpose of this study was to examine the metaphors used by mothers to describe their experiences caring for their children with obstetric brachial plexus injuries. DESIGN AND METHODS: A secondary qualitative data analysis was conducted from the primary data set of a phenomenological study of mothers' experiences caring for their children with obstetric brachial plexus injuries. The type of secondary qualitative data analysis approach used was analytic expansion...
September 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/28886666/the-diagnostic-accuracy-of-1-5t-magnetic-resonance-imaging-for-detecting-root-avulsions-in-traumatic-adult-brachial-plexus-injuries
#13
Ryckie G Wade, Vinay Itte, James J Rankine, John P Ridgway, Grainne Bourke
Identification of root avulsions is of critical importance in traumatic brachial plexus injuries because it alters the reconstruction and prognosis. Pre-operative magnetic resonance imaging is gaining popularity, but there is limited and conflicting data on its diagnostic accuracy for root avulsion. This cohort study describes consecutive patients requiring brachial plexus exploration following trauma between 2008 and 2016. The index test was magnetic resonance imaging at 1.5 Tesla and the reference test was operative exploration of the supraclavicular plexus...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28884592/peripheral-nerve-intersectional-repair-by-bi-directional-induction-and-systematic-remodelling-biodegradable-conduit-tubulization-from-basic-research-to-clinical-application
#14
Zhang Peixun, Han Na, Yuhui Kou, Yin Xiaofeng, Baoguo Jiang
In terms of the clinical effect of peripheral nerve injury repair, the biological degradable conduit 2 mm small gap tubulization is far better than the traditional epineurial or perineurium neurorrhaphy. The assumption of the bi-directional induction between the central system and the terminal effector during peripheral nerve regeneration is purposed and proved in clinical by our group. The surgical approach of transferring a portion of or the whole contralateral C7 nerve to repair a part of or the whole ipsilateral brachial plexus injury is clinically promoted, in which the most important idea and practice is to use the cone conduit designed by the group to repair thick nerves with fine nerves...
September 8, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28884109/brachial-plexus-injury-secondary-to-pseudoaneurysm-of-axillary-artery-after-glenohumeral-dislocation-case-report
#15
Douglas Ribas Schumann, Mauro José Superti, Felipe Candido Seyboth, Gabriella Eduarda Jacomel
Lesions of the axillary artery and consequent compression of the brachial plexus are extremely rare in patients with glenohumeral dislocation and may have greatly varying clinical manifestations. This joint is one of the most affected by dislocation in the human body, accounting for approximately 45% of cases. Less than 1% of patients with shoulder dislocation have vascular complications; however, when there is damage in the axillary artery, the incidence of associated brachial plexus injury is 27% to 44%. The authors report on a case of brachial plexus compression by an axillary artery pseudoaneurysm after a glenohumeral dislocation, aiming to highlight the existence of this association, in order to make an early diagnosis and avoid serious complications, such as neurologic injury...
June 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28872413/restoration-of-active-pick-up-function-in-patients-with-total-brachial-plexus-avulsion-injuries
#16
Feng Li, Shu-Feng Wang, Peng-Cheng Li, Yun-Hao Xue, Ji-Yao Zou, Wen-Jun Li
We designed multiple nerve transfers in one surgery to restore active pick-up function in patients with total brachial plexus avulsion injuries. Forty patients with total brachial plexus avulsion injuries first underwent multiple nerve transfers. These included transfer of the accessory nerve onto the suprascapular nerve to recover shoulder abduction, contralateral C7 nerve onto the lower trunk via the modified prespinal route with direct coaptation to restore lower trunk function and onto the musculocutaneous nerve with interpositional bridging by medial antebrachial cutaneous nerve arising from lower trunk to restore elbow flexion, and the phrenic nerve onto the posterior division of lower trunk to recover elbow and finger extension...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28868781/long-term-outcomes-for-large-for-gestational-age-infants-born-at-term
#17
Amina Z Khambalia, Charles S Algert, Jennifer R Bowen, Rebecca J Collie, Christine L Roberts
AIM: Large for gestational age (LGA) babies have increased risks for short-term outcomes such as shoulder dystocia, neonatal hypoglycaemia and longer hospital stay. Little is known of long-term health, development and educational outcomes of LGA babies. The aim of this study was to determine the long-term health, mortality, development and educational outcomes for infants born LGA at term. METHODS: A population-based record linkage study of live singletons born at term (37-41 weeks of gestation) in New South Wales, Australia, from 2001 to 2006...
September 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28868305/vertebroplasty-and-delayed-subdural-cauda-equina-hematoma-review-of-literature-and-case-report
#18
Maria Pia Tropeano, Biagia La Pira, Lorenzo Pescatori, Manolo Piccirilli
Vertebroplasy is considered an alternative and effective treatment of painful oncologic spine disease. Major complications are very rare, but with high morbidity and occur in less than 1% of patients who undergo vertebroplasty. Spinal subdural hematoma (SDH) is an extremely rare complication, usual developing within 12 h to 24 h after the procedure. We report the case of a tardive SDH in an oncologic patient who underwent VP for Myxoid Liposarcoma metastasis. Trying to explain the pathogenesis, we support the hypothesis that both venous congestion of the vertebral venous plexus of the vertebral body and venous congestion due to a traumatic injury can provoke SDH...
August 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28842229/intraoperative-navigation-is-associated-with-reduced-blood-loss-during-c1-2-posterior-cervical-fixation
#19
Frederick L Hitti, Eric D Hudgins, H Isaac Chen, Neil R Malhotra, Eric L Zager, James M Schuster
OBJECTIVE: Traumatic injuries, degenerative/rheumatologic conditions, tumors, or infections of the upper cervical spine may in certain circumstances require surgical stabilization. C1 lateral mass screws (Harms technique) in combination with C2 instrumentation (pars, pedicle, translaminar screws) have become a mainstay of surgical treatment. The surgical anatomy of the C1 lateral mass can be challenging especially with the robust venous plexus that often causes significant bleeding with exposure of the C1-C2 articular complex...
August 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28836308/siglec-h-is-a-microglia-specific-marker-that-discriminates-microglia-from-cns-associated-macrophages-and-cns-infiltrating-monocytes
#20
Hiroyuki Konishi, Masaaki Kobayashi, Taikan Kunisawa, Kenta Imai, Akira Sayo, Bernard Malissen, Paul R Crocker, Katsuaki Sato, Hiroshi Kiyama
Several types of myeloid cell are resident in the CNS. In the steady state, microglia are present in the CNS parenchyma, whereas macrophages reside in boundary regions of the CNS, such as perivascular spaces, the meninges and choroid plexus. In addition, monocytes infiltrate into the CNS parenchyma from circulation upon blood-brain barrier breakdown after CNS injury and inflammation. Although several markers, such as CD11b and ionized calcium-binding adapter molecule 1 (Iba1), are frequently used as microglial markers, they are also expressed by other types of myeloid cell and microglia-specific markers were not defined until recently...
August 24, 2017: Glia
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