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Nerve pain

Paulo Esteves Pinto Faria, Abrahão Cavalcante Gomes de Souza Carvalho, Bárbara Masalskas, Letícia Chihara, Eduardo Sant'Ana, Osvaldo Magro Filho
One of the most impressive soft tissue injuries is the facial degloving, normally associated with industrial machines and traffic accidents. This injury is characterized by the separation of the skin and cartilage from the bones, compromising the soft tissues correlated in the trauma area, nerves, and blood vessels. A 28-year-old patient, male, was referred to Araçatuba's Santa Casa Hospital, after a motorcycle accident, hitting his face on the sidewalk. The patient was conscious, oriented, denying fainting and unconsciousness during the accident, and complaining of pain in the nasal region of the face...
October 2016: Journal of Craniofacial Surgery
Seok-Youl Choi, Jong Woong Park, Dong Hwee Kim
Ultrasonographic study is useful for decision making of treatment for focal neuropathy with unusual electrodiagnostic findings. We present a patient with severe acute radial neuropathy with sensory sparing around the distal arm secondary to twisting of the radial nerve following blunt trauma. A 24-year-old man with a 2-week history of left wrist drop and severe pain around the left elbow presented after hitting the left distal arm on the doorknob. The left wrist and finger extensions were grade 0, but elbow extension could not be tested because of severe pain during this action...
November 2016: American Journal of Physical Medicine & Rehabilitation
Faramarz Mosaffa, Seyed Amir Mohajerani, Reza Aminnejad, Ali Solhpour, Shideh Dabir, Gholam Reza Mohseni
BACKGROUND: Preemptive analgesia is the blocking of pain perception afferent pathways before noxious painful stimuli. Clonidine is an alpha agonist drug that is partially selective for α-2 adrenoreceptors. Clonidine is used as anti-anxiety medication and an, analgesic, and it prolongs the duration of the block in the brachial plexus block. OBJECTIVES: To compare the effect of preemptive clonidine with midazolam on intraoperative sedation, duration of block, and postoperative pain scores...
June 2016: Anesthesiology and Pain Medicine
Daniel Haselbach, Wassim Raffoul, Lorenz Larcher, Mathias Tremp, Daniel F Kalbermatten, Pietro G di Summa
INTRODUCTION: Hindlimb autophagy is common after rat sciatic total axotomy and is considered as a sign of neuropathic pain. We applied adult stem cells in a fibrin conduit in a total sciatic axotomy model to improve nerve regeneration, investigating whether a correlation could be detected between stem cells effects on regeneration and limb autophagy. MATERIAL AND METHODS: After sciatic nerve section, a 1-cm sciatic gap was crossed using fibrin conduits. EXPERIMENTAL: groups included empty fibrin conduits, fibrin conduits seeded with primary Schwann cells, and fibrin conduits seeded with Schwann cell-like differentiated mesenchymal or adipose-derived stem cells (dMSCs and dASCs)...
October 16, 2016: Neuroscience Letters
Zühtü Özbek, Hasan Emre Aydin, Atacan Emre Koçman, Emre Özkara, Erdem Söztutar, Ezgi Bektur, Murat Vural, Aydan Köse, Ali Arslantaş, Cengiz Bayçu
AIM: In this study, we investigated the effects of genistein in a rat model of sciatic nerve crush injury and complete sciatic nerve transection. The effects of genistein were compared with those of gabapentin, which is widely used in clinical practice for peripheral nerve injury. MATERIAL AND METHODS: Forty-eight rats were randomly divided into six groups (n = 8 for all groups): group 1 (sham); group 2, sciatic nerve crush injury (control); group 3, sciatic nerve crush injury + genistein 20 mg/kg; group 4, sciatic nerve crush injury + gabapentin 90 mg/kg; group 5, sciatic nerve transection + genistein 20 mg/kg; group 6, sciatic nerve transection + gabapentin 90 mg/kg...
September 21, 2016: Turkish Neurosurgery
Lovish Marwaha, Yashika Bansal, Raghunath Singh, Priyanka Saroj, Rupinder Kaur Sodhi, Anurag Kuhad
TRP channels have been discovered as a specialized group of somatosensory neurons involved in the detection of noxious stimuli. Desensitization of TRPV1 located on dorsal root and trigeminal ganglia exhibits analgesic effect and makes it potential therapeutic target for treatment of neuropathic pain. With this background, the present study was aimed to investigate the protective effect of niflumic acid, a TRPV1 modulator, on stavudine (STV)-induced neuropathic pain in rats. Stavudine (50 mg/kg) was administered intravenously via tail vein in rats to induce neuropathic pain...
October 18, 2016: Inflammopharmacology
J M Keppel Hesselink, D J Kopsky, N Sajben
Topical treatments of localized neuropathic pain syndromes in general are mostly neglected, mainly due to the fact that most pain physicians expect that a topical formulation needs to result in a transdermal delivery of the active compounds. On the basis of the practical experience, this study brings forth a new, somewhat neglected element of the vulvodynia pathogenesis: the cross talk between the nerve endings of nociceptors, the adjacent immunocompetent cells, and vaginal epithelial cells. Insight into this cross talk during a pathogenic condition supports the treatment of vulvodynia with topical (compounded) creams...
2016: Journal of Pain Research
Seth H Richman, Marcelo Bogliolo Piancastelli Siqueira, Kirk A McCullough, Mark J Berkowitz
BACKGROUND: K-wire fixation has been the most common method of fixation for hammertoe deformity. However intramedullary devices are gaining ground in both number of available choices and in procedures performed. This study aimed to compare the outcomes of hammertoe correction performed with K-wire fixation versus a novel intramedullary fusion device (CannuLink). METHODS: A retrospective review of hammertoe correction by a single surgeon was performed from June 2011 to December 2013...
October 18, 2016: Foot & Ankle International
Iftah Nudel, Luis Dorfmann, Gal deBotton
Compartment syndrome (CS) occurs when the pressure in an enclosed compartment increases due to tissue swelling or internal bleeding. As the intra-compartmental pressure (ICP) builds up, the blood flow to the tissue or the organ is compromised, resulting in ischemia, necrosis and damage to the nerves and other tissues. At the present there are no established diagnostic procedures, and clinical observations such as pain, paralysis and even compartment pressure monitoring are an unreliable determinant of the presence of the syndrome...
October 18, 2016: Mathematical Medicine and Biology: a Journal of the IMA
So Young Joo, Yoon Soo Cho, Sung-Rae Cho, Dohern Kym, Cheong Hoon Seo
PURPOSE: Pain Scrambler therapy is a patient-specific electrocutaneous nerve stimulation device. Burn pruritus is a common form of chronic and disabling neuropathic pain that is often difficult to treat effectively. Pruritus is mediated by histamines, which are effector molecules stored in mast cells and released locally during injury or inflammation. Burn pruritus may be accompanied by peripheral neuropathic pain, which may result from injury to sensory nerves that hampers conductance of neuronal messages along the large A and small C afferent fibers to the spinal cord...
October 15, 2016: Burns: Journal of the International Society for Burn Injuries
Petra Mrozkova, Diana Spicarova, Jiri Palecek
Protease-activated receptors 2 (PAR2) and transient receptor potential vanilloid 1 (TRPV1) receptors in the peripheral nerve endings are implicated in the development of increased sensitivity to mechanical and thermal stimuli, especially during inflammatory states. Both PAR2 and TRPV1 receptors are co-expressed in nociceptive dorsal root ganglion (DRG) neurons on their peripheral endings and also on presynaptic endings in the spinal cord dorsal horn. However, the modulation of nociceptive synaptic transmission in the superficial dorsal horn after activation of PAR2 and their functional coupling with TRPV1 is not clear...
2016: PloS One
Matthew J Zdilla, Scott A Hatfield, Kelsey R Mangus
The debilitating pain of trigeminal neuralgia often necessitates neurosurgical intervention via percutaneous transovale cannulation. While most percutaneous treatments of trigeminal neuralgia are successful, severe adverse events resulting from failure to properly cannulate the foramen ovale (FO) have been reported. With regard to specific targeting of particular trigeminal divisions (ie, V1, V2, V3, and combinations thereof), operative techniques have been described; however, these descriptions have not included specific angulation data...
October 14, 2016: Journal of Craniofacial Surgery
Alon Abraham, Aaron Izenberg, Dubravka Dodig, Vera Bril, Ari Breiner
INTRODUCTION: Neuralgic amyotrophy (NA) is characterized by acute or subacute onset of shoulder and arm pain, followed by muscle atrophy and weakness, and variable sensory abnormalities. Historically, the site of inflammation has been localized to the brachial plexus, although involvement of individual nerve branches has been well recognized. METHODS: We describe ultrasound (US) findings in 2 cases with clinical presentation suggestive for NA, involving individual peripheral nerves, correlating with clinical and electrophysiological findings...
June 13, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
James K Hamill, Jamie-Lee Rahiri, Gamage Gunaratna, Andrew G Hill
BACKGROUND: No enhanced recovery after surgery protocol has been published for laparoscopic appendectomy. This was a review of evidence-based interventions that could optimize recovery after appendectomy. METHODS: Interventions for the review Clinical pathway, fast-track or enhanced recovery protocols; needlescopic approach; single incision laparoscopic (SIL) approach; natural orifice transluminal endoscopic surgery (NOTES); regional nerve blocks; intraperitoneal local anaesthetic (IPLA); drains...
October 17, 2016: Surgical Endoscopy
Sandeep Kumar, Gerald Pflueger
Femoral nerve neuropathy after total hip arthroplasty is rare but catastrophic complication. Pain and quadriceps muscle weakness caused by this complication can significantly affect the functional outcome. Here we present a case report, describing delayed onset femoral nerve palsy associated with iliopsoas hematoma following pseudoaneurysm of a branch of profunda femoris artery after 3 months of primary total hip arthroplasty in an 80-year-old female patient with single kidney. Hip arthroplasty was done for painful primary osteoarthritis of left hip...
2016: Case Reports in Orthopedics
Jimoh Olubanwo Agbaje, Elke Van de Casteele, Marjolein Hiel, Ciska Verbaanderd, Ivo Lambrichts, Constantinus Politis
OBJECTIVE: To report the incidence of trigeminal neuropathy seen among new patients in a referral center within a period of 1 year (2013). The cause of damage, method of management and treatment outcome was assessed after 1-year follow-up. MATERIALS AND METHODS: The records of all new patients visiting the oral and maxillofacial unit of the University hospital of Leuven in 2013 were screened for a history of damage to branches of the trigeminal nerve. The selected records were examined and the duration of nerve damage, received treatment as well as the outcome of the neuropathy after treatment was noted after 1-year follow-up...
September 2016: Journal of Maxillofacial and Oral Surgery
Max O Krucoff, Steven Cook, Owoicho Adogwa, Jessica Moreno, Siyun Yang, Jichun Xie, Alexander O Firempong, Nandan Lad, Carlos A Bagley
OBJECT: To examine the role of race, gender, and socioeconomics on presentations and outcomes of adult Chiari 1 malformations. METHODS: The charts of 638 adult patients with Chiari 1 malformations were reviewed, and 287 patients were included. Race, gender, insurance status, symptoms, depth of cerebellar tonsillar herniation, and presence of syringomyelia were examined as covariates in multivariate logistic regression models to identify independent predictors of presentation and outcome...
October 14, 2016: World Neurosurgery
Michael P Gaspar, Hesham M Abdelfattah, Ian W Welch, Michael M Vosbikian, Patrick M Kane, Mark S Rekant
BACKGROUND: Perineural scarring of the ulnar nerve is a predominant cause of symptom recurrence after surgical treatment for primary cubital tunnel syndrome (CuTS). We report our preliminary experience in revision ulnar nerve decompression and nerve wrapping with an amniotic membrane allograft adhesion barrier for treatment of recurrent CuTS. METHODS: We performed a retrospective review with prospective follow-up of patients with recurrent CuTS who were treated with revision neurolysis with amniotic membrane nerve wrapping...
October 14, 2016: Journal of Shoulder and Elbow Surgery
Weihua Ding, Shuping Chen, Rong Wang, Jun Cai, Yuan Cheng, Liang Yu, Qinghua Li, Fang Deng, Shengmei Zhu, Wenhua Yu
Percutaneous radiofrequency thermocoagulation (RFT) of the Gasserian ganglion is an effective treatment for primary trigeminal neuralgia (pTN). Currently Hartel anterior approach is the most commonly used method to access the Gasserian ganglion. However, this approach is associated with high recurrence rate and technical difficulties in certain patients with foramen ovale (FO) anatomical variations. In the present study, we assessed the feasibility of accessing the Gasserian ganglion through the FO from a mandibular angle under computed tomography (CT) and neuronavigation guidance...
October 2016: Medicine (Baltimore)
Chouki Chenaf, Eric Chapuy, Frédéric Libert, Fabien Marchand, Christine Courteix, Marianne Bertrand, Cecilia Gabriel, Elisabeth Mocaër, Alain Eschalier, Nicolas Authier
Antidepressants are first-line treatments of neuropathic pain but not all of these drugs are really effective. Agomelatine is an antidepressant with a novel mode of action, acting as a MT1/MT2 melatonergic receptor agonist and a 5-HT2C receptor antagonist that involves indirect noradrenaline release. Melatonin, serotonin and noradrenaline have been involved in the pathophysiology of neuropathic pain. Yet no study has been conducted to determine agomelatine effects on neuropathic pain in animal models.Using three rat models of neuropathic pain of toxic (oxaliplatin/OXA), metabolic (streptozocin/STZ) and traumatic (sciatic nerve ligation/CCI) etiologies, we investigated the anti-hypersensitivity effect of acute and repeated agomelatine administration...
October 1, 2016: Pain
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