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Radial nerve

Arash Babaei-Ghazani, Peyman Roomizadeh, Golshan Sanaei, Saeideh Najarzadeh-Mehdikhani, Kimia Habibi, Shahin Nikmanzar, Yadollah Kheyrollah
PURPOSE: The deep branch of the radial nerve (DBRN) enters the forearm as it passes under the arcade of Frohse. This is the most common entrapment site of the DBRN in the forearm. In this study, we investigated the ultrasonographic reference values for the diameters and cross-sectional area (CSA) of the DBRN at the level of the arcade of Frohse in a healthy sample of the population. METHODS: Sixty-five healthy Caucasian volunteers (130 nerves) were recruited for this study...
June 16, 2018: Journal of Ultrasound
Deepak N Bhatia, Vikram Kandhari
BACKGROUND: This cadaveric study was designed to analyze the safety of endoscopic repair of distal biceps tendon (DBT) tears using 2 reattachment techniques. We evaluated the proximity of neurovascular structures to endoscopy portals; iatrogenic injury to neurovascular, musculotendinous, and osseous structures; and changes in compartment pressures. We hypothesized that an all-endoscopic repair of the ruptured DBT would be technically safe and the risk of iatrogenic injury would be low...
June 12, 2018: Journal of Shoulder and Elbow Surgery
Qing Zhou, Qingquan Kong, Bo Gao
Objective: To analyze the treatment of Gartland type Ⅱ and Ⅲ supracondylar fracture of the humerus in children. Methods: Between January 2015 and January 2017, 45 cases of Gartland type Ⅱ and Ⅲ supracondylar fracture of the humerus were treated. There were 28 boys and 17 girls with an age of 1-13 years (mean, 5.7 years). The causes of injury included sports injury in 43 cases and falling from height in 2 cases. Fractures were classified as type Ⅱ in 12 cases and type Ⅲ in 33 cases according to Gartland classification...
June 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
Jayme Bertelli, Francisco Soldado, Marcos F Ghizoni
PURPOSE: To report the results of radial nerve grafting in 7 children who sustained a radial nerve injury following a distal humeral fracture. METHODS: Seven children, mean age 6 years (range, 4-11 years), underwent nerve grafting for radial nerve injuries following distal humeral fractures. The mean interval between injury and surgery was 6.7 months (range, 6-9 months). In all cases, 3 sural nerve graft cables were used, of mean length 8.6 cm (range, 6-12 cm)...
June 11, 2018: Journal of Hand Surgery
Pravin Salunke, Sushanta K Sahoo, Apinderpreeet Singh, Nishant Yagnik
The anterior clinoidal meningiomas often engulf /encase or compress Internal Carotid artery (ICA) and its branches, Optic nerve (ON) and structures passing through superior orbital fissure (SOF). The trans-sylvain route of excising tumour poses a difficulty in exposing and safeguarding encased vessels. In addition, it may jeopardize the bulging brain and stretched veins, especially in large tumors. The objective is to present an operative video to demonstrate the technique of 'centrifugal opening' and removal of anterior clinoidal meningiomas...
June 11, 2018: World Neurosurgery
Thomas F Schwaha, Stephan Handschuh, Andrew N Ostrovsky, Andreas Wanninger
BACKGROUND: Cyclostome bryozoans are an ancient group of marine colonial suspension-feeders comprising approximately 700 extant species. Previous morphological studies are mainly restricted to skeletal characters whereas data on soft tissues obtained by state-of-the-art methods are still lacking. In order to contribute to issues related to cyclostome ground pattern reconstruction, we analyzed the morphology of the neuromuscular system Cinctipora elegans by means of immunocytochemical staining, confocal laser scanning microscopy, histological sections and microCT imaging...
June 14, 2018: BMC Evolutionary Biology
Silvia Parra, Jose V Orenga, Alina D Ghinea, Maria J Estarelles, Angel Masoliver, Ines Barreda, F Javier Puertas
INTRODUCTION Sensory innervation of the dorsomedial surface of the hand usually depends on the dorsal ulnar nerve (DUN). Innervation in this area by the superficial radial nerve (SRN) has been described as a normal variant. METHODS We studied 358 patients using nerve conduction of the DUN and SRN with dorsomedial recording. Each hand was classified into usual innervation (only DUN response), mixed variant (response of both nerves) or complete variant (only SRN response). RESULTS Mixed innervation was found in 14...
June 12, 2018: Muscle & Nerve
Francesco Brigo, Giammario Ragnedda, Piera Canu, Raffaele Nardone
We describe a patient with pseudoradial nerve palsy caused by acute ischaemic stroke ('cortical hand') to emphasise how preserved synkinetic wrist extension following fist closure can distinguish this from peripheral causes of wrist drop.
June 12, 2018: Practical Neurology
Muhammad Haseeb, Khalid Muzafar, Abdul Ghani, Khurshid A Bhat, M Farooq Butt
INTRODUCTION: Open reduction and internal fixation using plates is the gold standard for the treatment of displaced forearm bone fractures in adults. The ulna being subcutaneous throughout has a constant approach. However, the radius is approached from either the dorsal or the volar side. Both the dorsal and the volar approaches to the radial shaft involve meticulous dissection and preservation of important neurovascular structures. The posterior interosseus nerve is at risk in the dorsal approach and the radial artery and its branches in the volar approach...
May 2018: Journal of Orthopaedic Surgery
Li Huang, Xiang Chen, Wei Lin, Zhi-Peng Li, Hao Huang, Chen Huang
OBJECTIVE: To investigate the curative effect of fascia reconstruction of annular ligament combined with internal fixation for the treatment of Monteggia fracture. METHODS: From December 2014 to October 2016, 30 cases with Monteggia fracture were treated by fascia reconstruction of annular ligament combined with internal fixation including 18 males and 12 females with an average age of 34.6 years old ranging from 6 to 50 years old. Elbow joint function were evaluated according to Mackay efficacy evaluation criteria...
May 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Abbas Moallemy, Hashem Jarineshin, Fereydoon Fekrat, Alireza Abdullahzadeh Baghaaei, Manuchehr Kamali, Bibi Mona Razavi, Zobeir Shaerzadeh
Background: Intravenous regional anesthesia (IVRA) is an ideal technique for short surgery on the distal extremities. Different additives have been used to improve lidocaine's block quality. Objective: The aim of this study was to determine the effect of adding dexamethasone to lidocaine on improving the quality of IVRA. Methods: This study is a prospective, double-blind randomized study which was done on patients with upper extremity injuries of the distal elbow in Shahid Mohammadi Hospital, Bandar Abbas from October 2014 to December 2015...
April 2018: Electronic Physician
Hongmei Zhang, Yan Li, Qing Yang, Xian-Guo Liu, Patrick M Dougherty
Mice with transgenic insertion of code for enhanced green fluorescent protein (EGFP) at the locus for glutamic acid decarboxylase 67 (GAD67), one of two key enzymes for the synthesis of γ-aminobutyric acid (GABA) were used to test whether the morphological properties of these neurons show plasticity with nerve injury. Physiological properties and the delivery of intracellular label to EGFP-expressing lamina II neurons was done using whole-cell patch-clamp in spinal cord slices from sham and chronic constriction injury (CCI) mice...
2018: Frontiers in Cellular Neuroscience
Si-Ru Chen, Yu-Ping Shen, Tsung-Yen Ho, Liang-Cheng Chen, Yung-Tsan Wu
RATIONALE: Perineural injection with dextrose could be a novel intervention for peripheral entrapment neuropathy. However, this intervention has not been reported for treating radial nerve palsy (RNP). Here, we present a case with RNP having outstanding improvement after 2 sessions of ultrasound-guided perineural injection with 5% dextrose (D5W). PATIENT CONCERNS: A 62-year-old woman presented with difficulty and weakness in extension of her left wrist and fingers after she slept with the arm compressed against her body...
June 2018: Medicine (Baltimore)
Tulgar Toros, Yusuf Gurbuz, Beray Kelesoglu, Kemal Ozaksar, Tahir Sadık Sugun
This article defines a sensate, pedicled heterodigital flap from the proximal radial side of the index finger for reconstructing large soft tissue defects of the thumb. The pedicle consists of the radial digital artery of the index finger. Dorsal sensory branch of proper digital nerve and one of the terminal sensory branches of radial nerve are included in the flap for sensation. The results of 17 consecutive patients at 24 months revealed mean static two-point discrimination of 7 mm at the reconstruction site and 10 patients were able to feel 4 mm at the reconstructed thumb...
January 1, 2018: Journal of Hand Surgery, European Volume
Edoardo Dalla Pozza, Bahar Bassiri Gharb, Francis A Papay, Richard L Drake, Andrew Steckler, Antonio Rampazzo
BACKGROUND: Hand transplantation in patients with severe upper extremity burns can be associated with an increased risk of exposure of vessels, tendons and nerves because of extensive skin and soft tissue deficit. This study evaluated how to reliably transfer additional extended skin flaps with a standard hand allograft. METHODS: Twenty-five upper extremities were used. Sixteen were injected with latex to map the perforating branches of the brachial (BA), superior ulnar collateral (SUCA), radial (RA), ulnar (UA) and posterior interosseous (PIA) arteries...
May 19, 2018: Plastic and Reconstructive Surgery
E De Martino, L Petrini, S Schabrun, T Graven-Nielsen
Background and aims Maladaptive plasticity in neural circuits has been proposed in chronic musculoskeletal pain and has been discussed as a key component of the transition from acute to chronic pain. The induction of delayed onset muscle soreness (DOMS) in healthy individuals is one method that can be used to investigate the adaptations of neural circuits in response to several days of muscle hyperalgesia. The aim of this study was to determine the adaptations of the sensory cortex in response to muscle hyperalgesia induced by eccentric exercise of the wrist extensor muscles...
December 29, 2017: Scandinavian Journal of Pain
A M Heredia-Rizo, I Navarro-Carmona, F Piña-Pozo
Aims To assess the impact of dry needling on neural mechanosensitivity and grip strength in male subjects with a history of persistent pain in the neck/shoulder area. Methods Case series study. Eight male subjects (mean age 25±6.24 years) with a recurrent history of bilateral neck/shoulder pain for at least 6 months, and with symptoms provoked by neck/shoulder postures or movement were recruited from a University-based clinical research center. Measurements were taken at baseline, immediately after intervention, and fifteen days later, of the pressure pain threshold (PPT) over the median, ulnar, and radial nerves, and the tibialis anterior (TA) muscle...
December 29, 2017: Scandinavian Journal of Pain
Chang-Bin Liu, De-Gang Yang, Qian-Ru Meng, Da-Peng Li, Ming-Liang Yang, Wei Sun, Wen-Hao Zhang, Chang Cai, Liang-Jie Du, Jun Li, Feng Gao, Yan Yu, Xin Zhang, Zhen-Tao Zuo, Jian-Jun Li
Exploring the relationship between different structure of the spinal cord and functional assessment after spinal cord injury is important. Quantitative diffusion tensor imaging can provide information about the microstructure of nerve tissue and can quantify the pathological damage of spinal cord white matter and gray matter. In this study, a custom-designed spinal cord contusion-impactor was used to damage the T10 spinal cord of beagles. Diffusion tensor imaging was used to observe changes in the whole spinal cord, white matter, and gray matter, and the Texas Spinal Cord Injury Score was used to assess changes in neurological function at 3 hours, 24 hours, 6 weeks, and 12 weeks after injury...
May 2018: Neural Regeneration Research
Firat Seyfettinoğlu, Hasan Ulaş Oğur, Ümit Tuhanioğlu, Hakan Çiçek, Ahmet Kapukaya
Background: To evaluate the treatment efficacy and complications of the lateral minimally invasive plate osteosynthesis (MIPO) method in geriatric patients with a humerus diaphyseal fracture with proximal extension. Patients and methods: The study included a total of 21 patients (18 females, 3 males; mean age 74±6.3 years, range 65-89 years) who underwent surgery with the lateral MIPO technique for a humerus diaphyseal fracture with proximal extension during the period January 2011 to December 2016...
2018: Clinical Interventions in Aging
R Pinet, G Raimbeau, Y Saint-Cast, P-A Fouque, F Rabarin
The superficial branch of the radial nerve (SBRN) at the wrist is susceptible to trauma and lacerations. These lesions can develop into painful neuromas with debilitating consequences. The aim of our study was to demonstrate the effectiveness of systematic use of vein conduits associated with microsurgical suture repair in SBRN injuries to prevent the occurrence of these neuromas. Our study was retrospective and performed at a single site. An independent examiner performed the clinical assessment. The study included 33 patients and the mean follow-up was 63 months...
May 29, 2018: Hand Surgery and Rehabilitation
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