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https://www.readbyqxmd.com/read/28102813/intramedullary-amputation-neuroma-a-case-report-and-review-of-the-literature
#1
Laura Stone McGuire, Mandana Behbahini, Sumit Das, David Loeffler, Peter Burger, Herbert Engelhard, Tibor Valyi-Nagy, Ankit Mehta
BACKGROUND AND IMPORTANCE: Amputation neuromas consist of non-neoplastic collections of myelinated axons and Schwann cells and typically arise in injured peripheral nerves. Rarely, however, neuromas occur within the spinal cord. Intramedullary amputation neuromas have been described both with and without a history of trauma within the peripheral nervous system. We report a rare case of an isolated intramedullary spinal cord amputation neuroma. CLINICAL PRESENTATION: This 43-year-old man presented with progressive and severe gait deterioration for ~ 7 years...
January 19, 2017: Clinical Neuropathology
https://www.readbyqxmd.com/read/28099983/-the-relevance-of-abducent-nerve-palsy-in-ent
#2
Veit Maria Hofmann, Stephan M Niehues, Annett Pudszuhn
Patients suffering from abducent nerve palsy are usually primary seen by a conservative medical Specialist. In most cases the ENT specialist is secondary involved for treatment. In the majority of cases abducent nerve palsy is a temporary symptom associated with neurologic or vascular diseases. Rarely inflammation, neoplasm or fracture of the skull base cause this symptom and lead to an intervention done by the ENT surgeon. This case series describes retrospectively the abducent palsy seen through the eyes of an ENT surgeon...
January 18, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28092318/opening-injection-pressure-is-higher-in-intraneural-compared-with-perineural-injections-during-simulated-nerve-blocks-of-the-lower-limb-in-fresh-human-cadavers
#3
Kris Vermeylen, Marlies Hermans, Filiep Soetens, Evie Vereecke, Thorsten Steinfeldt, Gerbrand Groen, Admir Hadzic, Marc Van de Velde
BACKGROUND AND OBJECTIVES: Needle-induced nerve trauma and intraneural injection can lead to neurologic injury during peripheral nerve blocks. In this study, we assessed the utility of opening injection pressure (OIP), time to OIP, and rate of rise to OIP in detecting needle-nerve contact and intraneural injection. METHODS: Five common ultrasound-guided blocks of the femoral, saphenous, subgluteal sciatic, tibial, and common peroneal nerves were simulated in 10 fresh cadavers...
January 13, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28089666/mini-open-oblique-lumbar-interbody-fusion-olif-approach-for-multi-level-discectomy-and-fusion-involving-l5-s1-preliminary-experience
#4
Fahed Zairi, Tarek P Sunna, Harrison J Westwick, Alexander G Weil, Zhi Wang, Ghassan Boubez, Daniel Shedid
STUDY DESIGN: Technical description and single institution retrospective case series OBJECTIVE: Evaluate technical feasibility and evaluate complications of mini open retroperitoneal oblique lumbar interbody fusion (OLIF) at the L5-S1 level. SUMMARY OF BACKGROUND: The mini open retroperitoneal oblique lumbar interbody fusion (OLIF) approach was first described in 2012 as a surgical approach to achieve spinal fusion while limiting invasiveness of the exposure to the anterior lumbar spine...
January 12, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28088936/endoscopic-decompression-of-the-optic-canal-for-traumatic-optic-neuropathy
#5
Zhen-Hua He, Zheng-Bo Lan, Ao Xiong, Guo-Kuo Hou, Ya-Wen Pan, Qiang Li, Xin-Ding Zhang
PURPOSE: Traumatic optic neuropathy (TON) is a serious complication of head trauma with the incidence rate of 0.5%-5%. The aim of this study was to investigate the therapeutic efficacy of endoscopic decompression of the optic canal for optic nerve injuries. METHODS: In this study, 11 patients treated in our hospital from January 2009 to January 2015 with the visual loss resulting from TON were retrospectively reviewed for preoperative vision, visual evoked potential (VEP) scan, surgical approach, postoperative visual acuity, complications, and follow-up results...
December 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28079731/midterm-radiographic-and-functional-outcomes-of-the-anterior-internal-pelvic-fixator-infix
#6
Rahul Vaidya, Adam Jonathan Martin, Matthew Roth, Frederick Tonnos, Bryant Oliphant, Jon Carlson
OBJECTIVE: To describe our experience using the anterior internal pelvic fixator (INIFX) for treating pelvic ring injuries. DESIGN: Case Series SETTING:: Level 1 Trauma Center PATIENTS:: Eighty-three patients with pelvic ring injuries treated with INFIX. Follow up avg. 35 months (range 12-80.33) INTERVENTION:: Surgical treatment of pelvic ring injuries included reduction, appropriate posterior fixation, and INFIX placement. OUTCOME MEASUREMENTS: Reduction using the pelvic deformity index (PDI) and pubic symphysis(PS) widening, Majeed functional scores, complications; infection, implant failure, heterotopic ossification (HO), nerve injury, and pain...
January 5, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28077485/persistent-anterior-interosseous-nerve-palsy-following-forearm-crutch-use
#7
Peter Macneal, Christopher Robert Crome, Scarlett McNally
A 43-year-old man presented with weakness of the interphalageal joint of his right thumb following the use of forearm crutches. On examination he was unable to oppose his thumb and index finger to form the 'ok' sign. Nerve conduction showed anterior interosseous nerve (AIN) damage along its path to the flexor pollicis longus. The patient was managed conservatively with little clinical improvement seen at 4 months. AIN palsies are very rare and account for <1% of all upper limb lesions. Although AIN palsies resulting from other causes such as surgery and blunt trauma are more common, we report the second case of AIN palsy following crutch use, and the first case in which clinical identification was confirmed using electrodiagnosis...
January 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28074638/clinical-management-of-candida-albicans-keratomycosis-in-a-bottlenose-dolphin-tursiops-truncatus
#8
Claire A Simeone, John P Traversi, Jenny M Meegan, Carolina LeBert, Carmen M H Colitz, Eric D Jensen
OBJECTIVE: Corneal ulceration secondary to trauma commonly affects marine mammals, often with opportunistic secondary bacterial or fungal infections. This report characterizes the combined use of auriculopalpebral and ophthalmic nerve blocks, adipose-derived stem cells, and subconjunctival injections for successful treatment of corneal trauma and infection in dolphins. ANIMAL STUDIED: An 11-year-old, female bottlenose dolphin (Tursiops truncatus) presented with bilateral diffuse corneal opacities, which progressed to keratomycosis caused by Candida albicans...
January 11, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28074457/the-acute-effects-of-thymoquinone-on-acute-peripheral-nerve-injury-an-experimental-study
#9
İsmail Gülşen, Hakan Ak, Mikail Kara, Abdulsemat Gökalp, Veysel Akyol, Ömer Faruk Koçak, Murat Çetin Rağbetli
BACKGROUND: The purpose of this study was to evaluate the acute effects of thymoquinone (TQ) on acute nerve injury. METHODS: A rat model of crush injury of the sciatic nerve was used. Animals were divided into 3 groups: control, trauma, and TQ treatment groups (n=6 per group). Seven days after injury, sciatic nerve specimens were obtained from the site of the injury and analyzed histologically and stereologically. Axon diameter, myelin thickness, and axon density were measured...
November 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28074305/clinical-effectiveness-of-low-level-laser-treatment-on-peripheral-somatosensory-neuropathy
#10
REVIEW
Alireza Fallah, Alireza Mirzaei, Norbert Gutknecht, Amir Saberi Demneh
Peripheral sensory neuropathy treatment is one of the common treatment problems and causes morbidity and mortality in people suffering from that. Although treatment depends on the underlying cause of the condition, nevertheless, in some cases, there is no cure for it, and it requires palliative and symptomatic treatment. In laboratory studies, low-level laser has been effective in the nerves protection and restoration. The aim of this article is to investigate the clinical efficacy of low-level laser on improvement of the peripheral somatosensory neuropathy...
January 10, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28073391/magnetic-resonance-myelography-in-congenital-absence-of-the-cervical-pedicle
#11
Rami Alhazmi, Jean-Pierre Farmer, Christine Saint-Martin
Absence of the cervical pedicle is a very rare congenital anomaly, easily misrecognized as a unilateral facet dislocation in a setting of acute trauma or a neoplastic process like a nerve sheath tumor. Although correct diagnosis can be achieved on the cervical radiograph and confirmed by the CT, MRI Myelography is clearly of additional value because shows the specific relationship and orientation of the nerve roots. To the best to our knowledge, this is the first description of MR Myelography findings.
January 11, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28072651/relationship-of-sacral-fractures-to-nerve-injury-is-the-denis-classification-still-accurate
#12
Jannat M Khan, Alejandro Marquez-Lara, Anna N Miller
OBJECTIVE: Use modern computed tomographic imaging to reassess neurological injury risks associated with zone I-III sacral fractures as originally described by Denis, et al. DESIGN: Restrospective Case-control study. SETTING: University Level I Trauma Center. PATIENTS/PARTICIPANTS: 1507 consecutive patients who presented with sacral fractures between January 2000 and August 2012. MAIN OUTCOME MEASUREMENTS: Patients were stratified based on the diagnosis of acute neurological injury...
December 28, 2016: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28069157/mri-detection-of-cerebral-lesions-in-post-traumatic-anisocoria-specificity-and-prognostic-significance
#13
D Woischneck, B Schmitz, T Kapapa
AIM: To identify whether increased numbers of brainstem lesions are found in the presence of a post-traumatic pupillary function disturbance and classify them anatomically. MATERIALS AND METHODS: In this study, a diagnostic magnetic resonance imaging (MRI) examination was performed within 8 days after traumatic brain injury (TBI) in patients who had been unconscious for more than 24 hours post-TBI. The Glasgow Outcome Scale was evaluated 6 months after TBI. The data obtained from 140 consecutively enrolled patients between 2005 and 2011 were analysed...
January 7, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28067631/schwann-cells-are-activated-by-atp-released-from-neurons-in-an-in-vitro-cellular-model-of-miller-fisher-syndrome
#14
Umberto Rodella, Samuele Negro, Michele Scorzeto, Elisanna Bergamin, Kees Jalink, Cesare Montecucco, Nobuhiro Yuki, Michela Rigoni
The neuromuscular junction is exposed to different types of insults including mechanical traumas, toxins or autoimmune antibodies and, accordingly, has retained through evolution a remarkable ability to regenerate. Regeneration is driven by multiple signals that are exchanged among the cellular components of the junction. These signals are largely unknown.Miller Fisher syndrome is a variant of Guillain-Barré syndrome caused by autoimmune antibodies specific for epitopes of peripheral axon terminals. Using an animal model of Miller Fisher syndrome, we recently reported that a monoclonal anti-polysialoganglioside GQ1b antibody plus complement damages nerve terminals with production of mitochondrial hydrogen peroxide, that activates Schwann cells...
January 6, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28067182/successful-conservative-treatment-of-an-intracranial-pneumatocele-with-post-traumatic-hypoglossal-nerve-palsy-secondary-to-diffuse-temporal-bone-pneumocele-case-report-and-review-of-the-literature
#15
M A Taube, G M Potter, S K Lloyd, S R Freeman
BACKGROUND: A pneumocele occurs when an aerated cranial cavity pathologically expands; a pneumatocele occurs when air extends from an aerated cavity into adjacent soft tissues forming a secondary cavity. Both pathologies are extremely rare with relation to the mastoid. This paper describes a case of a mastoid pneumocele that caused hypoglossal nerve palsy and an intracranial pneumatocele. CASE REPORT: A 46-year-old man presented, following minor head trauma, with hypoglossal nerve palsy secondary to a fracture through the hypoglossal canal...
January 9, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28065869/predictors-of-radial-nerve-palsy-recovery-in-humeral-shaft-fractures-a-retrospective-review-of-17-patients
#16
Nadine Nachef, VarenkaBariatinsky, Steeve Sulimovic, Christian Fontaine, Christophe Chantelot
BACKGROUND: Radial nerve injury is common in humeral shaft fractures and fails to recover spontaneously in 30% of cases. Few studies have evaluated predictors of recovery.The objectives of this study were to identify predictors of radial nerve palsy recovery and to assess the usefulness of surgical radial nerve exploration in patients with pre-operative radial nerve palsy. HYPOTHESIS: Factors predicting the outcome of radial nerve palsy can be identified. METHODS: Of 373 patients with humeral shaft fractures between 2005 and 2012, 43 had radial nerve palsy, including 23 who were lost to follow-up and 17 who were evaluated retrospectively at a mean of 26 months (range, 12-84 months) after internal fixation...
January 5, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28043728/acute-compartment-syndrome-caused-by-uncontrolled-hypothyroidism
#17
Anar Modi, Hari Amin, Matthew Salzman, Farah Morgan
Acute compartment syndrome is increased tissue pressure exceeding perfusion pressure in a closed compartment resulting in nerve and muscle ischemia. Common precipitating causes are crush injuries, burns, substance abuse, osseous or vascular limb trauma. This is a case of 42year old female with history of hypothyroidism who presented to emergency room with acute onset of severe pain and swelling in right lower extremity. Physical examination was concerning for acute compartment syndrome of right leg which was confirmed by demonstration of elevated compartmental pressures...
December 23, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28041753/modified-reversed-superficial-peroneal-artery-flap-in-the-reconstruction-of-ankle-and-foot-defects-following-severe-burns-or-trauma
#18
Shi-Ji Li, Hao Cheng, Xu Fang, Jian-Yang Xu, Fei Wang, Sheng Liu, Xu-Lin Chen, Xiong-Wen Lv
OBJECTIVE: Challenges persist in the reconstruction of the ankle and the foot with exposed tendons, joints, and bones as a result of severe burns and trauma. In flap elevation involving the sensitive superficial nerve, the local nerve was always sacrificed to obtain an anesthetic donor site; however, such a procedure introduced the possibility of painful neuromas. In this study, we present a desired clinical application of a modified reversed superficial peroneal artery flap, in which the superficial peroneal nerve is preserved...
December 29, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28039596/optic-neuritis-secondary-to-antiandrogen-therapy
#19
REVIEW
Á Ní Mhéalóid, G Cunniffe
BACKGROUND: Optic neuropathy is a disorder characterised by dysfunction or destruction of the optic nerve tissues. Acquired causes include interruption in the blood supply, nutritional deficiency, compression by a tumour or aneurysm, trauma, and toxic types (Ambizas and Patel In US Pharm 36(4):HS2-HS6, 1). Drug-induced optic neuropathy is of the toxic type and can be defined as a clinical syndrome characterised by papillomacular bundle damage, central, or cecocentral scotoma, and reduced colour vision (Ambizas and Patel In US Pharm 36(4):HS2-HS6, 2011; Sharma and Sharma In Indian J Ophthalmol 59(2):137-141, 2)...
December 30, 2016: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28032702/thoracic-endoscopic-assisted-mini-open-surgery-for-thoracic-and-thoracolumbar-spinal-cord-compression
#20
Bao-Shan Xu, Hai-Wei Xu, Qiu-Ming Yuan, Yue Liu, Qiang Yang, Hong-Feng Jiang, Dong-Bin Wang, Ning Ji, Xin-Long Ma, Yang Zhang
Intervertebral disc herniation is a common cause of spinal cord compression, especially for the thoracic and thoracolumbar spinal cord, which has limited buffer space in the spinal canal. Spinal cord compression usually causes decreased sensation and paralysis of limbs below the level of compression, urinary and fecal incontinence, and/or urinary retention, which brings great suffering to the patients and usually requires surgical intervention. Thoracotomy or abdominothoracic surgery is usually performed for the thoracolumbar cord compression caused by hard intervertebral disc herniation...
November 2016: Orthopaedic Surgery
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