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Radial nerve

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https://www.readbyqxmd.com/read/28447287/topography-and-correlation-of-radial-peripapillary-capillary-density-network-with-retinal-nerve-fibre-layer-thickness
#1
Tarannum Mansoori, Jayanthi Sivaswamy, Jahnavi Sai Gamalapati, Nagalla Balakrishna
PURPOSE: To analyse the expansion of radial peripapillary capillary (RPC) network with optical coherence tomography angiography (OCT-A) in normal human eyes and correlate RPC density with retinal nerve fibre layer thickness (RNFLT) at various distances from the optic nerve head (ONH) edge. METHODS: Fifty eyes of 50 healthy subjects underwent imaging with RTVue XR-100 Avanti OCT. OCT-A scans of Angio disc (6 × 6 mm) and Angio retina (8 × 8 mm) were combined to create a wide-field montage image of the RPC network...
April 26, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28445921/assessment-of-the-synergic-effect-of-immunomodulation-on-nerve-repair-using-multi-parametric-mr-imaging
#2
Chu-Shan Zheng, Xiang Zhang, Yue-Yao Chen, Fang Zhang, Xiao-Hui Duan, Mei-Wei Chen, Lie-Jing Lu, Jun Shen
Introduction:The immune system plays a pivotal role in nerve injury. The aim of this study was to investigate the role of multi-parametric magnetic resonance (MR) imaging in the evaluation of the synergic effect of immunomodulation on nerve regeneration in neurotmesis. METHODS: Rats with sciatic nerve neurotmesis and surgical repair underwent serial multi-parametric MR examinations over an 8 week period after subepineurial microinjection of lipopolysaccharide (LPS) and subsequent subcutaneous injection of FK506 or subepineurial microinjection of LPS or phosphate buffered saline (PBS) alone...
April 26, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28442863/radial-nerve-injury-after-venipuncture
#3
Steven D Oven, Jason D Johnson
No abstract text is available yet for this article.
April 2017: Journal of Hand and Microsurgery
https://www.readbyqxmd.com/read/28442857/influence-of-blood-flow-on-the-neuroma-formation-after-transposition-of-the-nerve-stump-into-vein-experimental-and-clinical-study
#4
Hossam El-Din Ali Ismail, Mohamed Ali Kasem, Fatma El-Hossiney Mostafa
We study the influence of blood flow on the neuroma formation after transposition of the nerve stump into a vein. A total of 30 rats were divided into two groups. In group (I), a 10-mm segment of the femoral vein was excluded from the blood stream. A venotomy was performed in the middle of this segment. The proximal nerve stump of femoral nerve was transposed into the lumen of the femoral vein via a venotomy and held with an epineural suture through the venous wall. In group (II), the same technique was used as in group (I) but without exclusion of the vein segment from blood flow...
April 2017: Journal of Hand and Microsurgery
https://www.readbyqxmd.com/read/28439432/posterior-interosseous-nerve-palsy-caused-by-a-ganglion-conservative-treatment-with-ultrasound-guided-needle-aspiration
#5
Yasuhiro Seki
Posterior interosseous nerve palsy caused by a ganglion is not common and most previous patients were treated with excisional surgery. We treated a case conservatively with needle aspiration using ultrasonography, after a nerve conduction study. A 77-year-old man presented with impaired active finger extension of the left metacarpophalangeal joints. The nerve conduction study revealed conduction block of the left radial nerve near the elbow. Ultrasonography demonstrated a hypoechoic mass anterior to the radial neck compressing the posterior interosseous nerve...
March 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28438411/magnetic-resonance-imaging-of-the-digital-nerves-of-the-hand-anatomy-and-spectrum-of-pathology
#6
REVIEW
Charles H Mitchell, Laura M Fayad, Shivani Ahlawat
Digital nerves are intrinsic to the sensory and motor function of the hand. These nerves represent the terminal ramifications of the ulnar, median, and radial nerves and are located distal to the carpal tunnel and Guyon canal. With magnetic resonance imaging, traumatic and nontraumatic abnormalities of the digital nerves can be shown with high contrast as well as high spatial resolution. Digital nerve abnormalities are most commonly posttraumatic in nature; however, infection, inflammatory, vascular malformations, and neoplasms can rarely occur...
March 6, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28435568/early-vessels-exploration-of-pink-pulseless-hand-in-gartland-iii-supracondylar-fracture-humerus-in-children-facts-and-controversies
#7
T Z Tunku-Naziha, Wms Wan-Yuhana, D Hadizie, Muhammad-Paiman, S Abdul-Nawfar, W S Wan-Azman, M S Arman-Z, S Abdul-Razak, M Z Rhendra-Hardy, W I Wan-Faisham
The management of pink pulseless limbs in supracondylar fractures has remained controversial, especially with regards to the indication for exploration in a clinically well-perfused hand. We reviewed a series of seven patients who underwent surgical exploration of the brachial artery following supracondylar fracture. All patients had a non-palpable radial artery, which was confirmed by Doppler ultrasound. CT angiography revealed complete blockage of the artery with good collateral and distal run-off. Two patients were more complicated with peripheral nerve injuries, one median nerve and one ulnar nerve...
March 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28435560/humeral-supracondylar-fractures-in-children-a-novel-technique-of-lateral-external-fixation-and-kirschner-wiring
#8
R Y Kow, A R Zamri, J K Ruben, S Jamaluddin, M T Mohd-Nazir
Introduction: Supracondylar fracture of the humerus is the most common fracture around the elbow in children. Pinning with Kirschner wires (K-wires) after open or closed reduction is generally accepted as the primary treatment modality. However, it comes with the risk of persistent instability and if the K-wire is not inserted properly, it may cause displacement and varus deformity. We present our two-year experience with a new technique of lateral external fixation and K-wiring of the humeral supracondylar fracture...
July 2016: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28434835/use-of-a-bicortical-button-to-safely-repair-the-distal-biceps-in-a-two-incision-approach-a-cadaveric-analysis
#9
Jonathan D Barlow, Ryan J McNeilan, Amy Speeckaert, Corey T Beals, Hisham M Awan
PURPOSE: No consensus has been reached on the most effective anatomic approach or fixation method for distal biceps repair. It is our hypothesis that, using a cortical biceps button through a 2-incision technique, the distal biceps can be safely and anatomically repaired. METHODS: A 2-incision biceps button distal biceps repair was completed on 10 fresh-frozen cadavers. The proximity of the guide pin to the critical structures of the forearm, including the posterior interosseous nerve and recurrent radial artery, was measured...
April 20, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28433752/serotonergic-transmission-and-gap-junctional-coupling-in-proventricular-muscle-cells-in-the-american-cockroach-periplaneta-americana
#10
Ryoichi Yoshimura, Taeko Suetsugu, Yasuhisa Endo
The visceral muscle tissues of insects consist of striated muscle cells. The mechanisms responsible for delivering signals to the contractile muscles in the insect digestive tract remain unclear. We found that serotonergic nerves innervate the hemocoel surfaces of foregut and midgut muscles in the American cockroach. Electron microscopy of the neuromuscular junctions in the proventriculus (gizzard) revealed typical synaptic structures, the accumulation of large core/cored vesicles (neuropeptides) and small clear vesicle (neurotransmitter) at presynapses, and synaptic clefts...
April 19, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28428918/the-safety-of-the-thenar-portal-an-anatomical-study-of-the-thumb-carpometacarpal-arthroscopy
#11
Yong-Wei Pan, Leung-Kim Hung
Purpose To define the localization of the distal course of the motor branches of median nerve (MBMN) and its arborization and its quantitative relationships to the thenar portal of the carpometacarpal (CMC) joint in the hope of evaluating the safety of this portal. Method In 16 embalmed cadaveric upper extremities, the localization of the course of the MBMN and its arborization were defined. In 14 fresh-frozen cadaver upper extremities, the CMC arthroscopic portals, 1-U, 1-R, and a thenar portal, were established, after which the limbs were dissected...
May 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28420906/comparison-of-ultrasound-and-ultrasound-plus-nerve-stimulator-guidance-axillary-plexus-block
#12
Gokhan Demirelli, Semih Baskan, Isil Karabeyoglu, Ismail Aytac, Dilsen Hatice Ornek, Alper Erdogmus, Mustafa Baydar
OBJECTIVE: To evaluate the characteristics of axillary plexus blockade applied using ultrasound only and using ultrasound together with nerve stimulator in patients undergoing planned forearm, wrist or hand surgery. METHODS: This randomised, prospective, double-blinded, single-centre study was conducted at Ankara Numune Training and Research Hospital, Ankara, Turkey, from November 2014 to August 2015, and comprised patients undergoing forearm, wrist or hand surgery...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28417037/additional-muscle-slip-of-bicipital-aponeurosis-and-its-anomalous-relationship-with-the-median-cubital-vein
#13
Nandini Bhat, Kumar M R Bhat, Antony S D'Souza, Sushma R Kotian
The cubital region of the arm is a common site for recording blood pressure, taking blood for analysis and administering intravenous therapy and blood transfusions. During the routine dissection of a 70-year-old male cadaver at the Kasturba Medical College, Manipal, Karnataka, India, in 2015, it was observed that the aponeurotic insertion of the biceps brachii muscle divided into two slips. The medial slip fused normally with the deep fascia of the forearm, while flexor carpi radialis muscle fibres originated from the lateral slip...
February 2017: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/28415988/the-efficacy-and-safety-of-mivacurium-in-pediatric-patients
#14
Ruifeng Zeng, Xiulan Liu, Jing Zhang, Ning Yin, Jian Fei, Shan Zhong, Zhiyong Hu, Miaofeng Hu, Mazhong Zhang, Bo Li, Jun Li, Qingquan Lian, Wangning ShangGuan
BACKGROUND: Mivacurium is the shortest acting nondepolarizing muscle relaxant currently available; however, the effect of different dosages and injection times of intravenous mivacurium administration in children of different ages has rarely been reported. This study was aimed to evaluate the muscle relaxant effects and safety of different mivacurium dosages administered over different injection times in pediatric patients. METHODS: Six hundred forty cases of pediatric patients, aged 2 m-14 years, ASA I or II, were divided into four groups (Groups A, B, C, D) according to the age class (2-12 m, 13-35 m, 3-6 years and 7-14 years) respectively, also each group were divided into four subgroups by induction dose (0...
April 17, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28413740/relationship-of-the-median-and-radial-nerves-at-the-elbow-application-to-avoiding-injury-during-venipuncture-or-other-invasive-procedures-of-the-cubital-fossa
#15
Vlad Voin, Joe Iwanaga, Juan P Sardi, Christian Fisahn, Marios Loukas, Rod J Oskouian, R Shane Tubbs
INTRODUCTION: The median and radial nerves are two important neural structures found in the cubital fossa. The trajectory and landmarks used to identify their location are important when procedures are done in this area. METHODS AND MATERIALS: Ten fresh-frozen cadavers were dissected (20 upper limbs) and measurements were taken from the medial epicondyle to the median and radial nerves as well as to the lateral epicondyle of each limb. RESULTS: The distance between the medial epicondyle and the median nerve was found to be three centimeters with a range of 2...
March 13, 2017: Curēus
https://www.readbyqxmd.com/read/28412715/non-centralized-and-functionally-localized-nervous-system-of-ophiuroids-evidence-from-topical-anesthetic-experiments
#16
Yoshiya Matsuzaka, Eiki Sato, Takeshi Kano, Hitoshi Aonuma, Akio Ishiguro
Ophiuroids locomote along the seafloor by coordinated rhythmic movements of multi-segmented arms. The mechanisms by which such coordinated movements are achieved are a focus of interest from the standpoints of neurobiology and robotics, because ophiuroids appear to lack a central nervous system that could exert centralized control over five arms. To explore the underlying mechanism of arm coordination, we examined the effects of selective anesthesia to various parts of the body of ophiuroids on locomotion. We observed the following: (1) anesthesia of the circumoral nerve ring completely blocked the initiation of locomotion; however, initiation of single arm movement, such as occurs during the retrieval of food, was unaffected, indicating that the inability to initiate locomotion was not due to the spread of the anesthetic agent...
April 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28412189/mean-5-year-follow-up-for-suture-button-suspensionplasty-in-the-treatment-of-thumb-carpometacarpal-joint-osteoarthritis
#17
Jeffrey Yao, Andre Eu-Jin Cheah
PURPOSE: Suture button suspensionplasty (SBS) has been used to treat thumb carpometacarpal joint osteoarthritis (CMC joint OA). Although promising short-term outcomes have been reported, no outcomes beyond 4 years have been published. The aim of this article is to report intermediate outcomes of SBS. METHODS: We reviewed the charts of 14 patients who underwent 16 SBS procedures for symptomatic thumb CMC joint OA. We recorded demographic data, preoperative Eaton stage, length of follow-up, Quick-Disabilities of the Arm, Shoulder, and Hand questionnaire scores, as well as pinch strength, grip strength, range of motion, and metacarpal subsidence...
April 12, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28406160/morphological-detection-and-functional-assessment-of-regenerated-nerve-after-neural-prosthesis-with-a-pgla-nerve-conduit
#18
Dong Gao, Jun-Jian Jiang, Shi-Hui Gu, Jiu-Zhou Lu, Lei Xu
This study aimed to observe the morphological characteristics of a PGLA [poly(glycolide-co-L-lactide)] nerve conduit and regenerated nerve bundle in the human body using high-frequency ultrasound and examine functional recovery of the regenerated nerve using functional magnetic resonance imaging (fMRI) after neural prosthesis with a PGLA nerve conduit. Thirty-nine patients underwent high-frequency ultrasound, and one patient with superficial radial nerve injury (27-mm defect) underwent fMRI at one, three, and six postoperative months...
April 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28400223/acute-radial-neuropathy-at-the-spiral-groove-following-massage-a-case-report
#19
Po-Cheng Hsu, Jan-Wei Chiu, Chen-Liang Chou, Jia-Chi Wang
Massage related nerve injury is an uncommon, rarely reported complication. We report an unusual case of radial nerve neuropathy at the spiral groove in a 58 years old woman resulting from a single episode of deep tissue massage. Although the spiral groove is known as the most common site implicated in radial nerve neuropathy, to our knowledge, there have not previously been any reports of massage related spiral groove radial nerve neuropathy. Electrodiagnostic and ultrasound examinations were used to localize the nerve lesion at the spiral groove on the affected side...
April 8, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28400182/comparative-effectiveness-of-non-operative-treatments-for-chronic-calcific-tendinitis-of-the-shoulder-a-systematic-review-and-network-meta-analysis-of-randomized-controlled-trials
#20
REVIEW
Yi-Cheng Wu, Wen-Chung Tsai, Yu-Kung Tu, Tung-Yang Yu
OBJECTIVE: To investigate the effectiveness of various non-operative treatments for chronic calcific tendinitis of the shoulder. A systematic review and network meta-analysis of randomized trials was performed to evaluate changes in pain reduction, functional improvements in patients with calcific tendinitis, and the ratio of complete resolution of calcific deposition. DATA SOURCES: Studies were comprehensively searched, without language restrictions on PubMed, Embase, Cochrane Controlled Trials Register, the Cochrane and other databases...
April 8, 2017: Archives of Physical Medicine and Rehabilitation
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