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Peripheral nerve surgery

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https://www.readbyqxmd.com/read/28100520/evidence-basis-for-using-perineural-dexmedetomidine-to-enhance-the-quality-of-brachial-plexus-nerve-blocks-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#1
L Vorobeichik, R Brull, F W Abdallah
BACKGROUND: Dexmedetomidine has been proposed as a perineural local anaesthetic (LA) adjunct to prolong peripheral nerve block duration; however, results from our previous meta-analysis in the setting of brachial plexus block (BPB) did not support its use. Many additional randomized trials have since been published. We thus conducted an updated meta-analysis. METHODS: Randomized trials investigating the addition of dexmedetomidine to LA compared with LA alone (Control) in BPB for upper extremity surgery were sought...
February 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28090631/operating-unit-time-use-is-associated-with-anaesthesia-type-in-below-knee-surgery-in-adults
#2
T J Lohela, R P Chase, T A Hiekkanen, V K Kontinen, M J Hynynen
BACKGROUND: Peripheral nerve blocks could reduce the operating unit and theatre time spent on high-risk patients who are particularly vulnerable to complications of general anaesthesia or have medications that prevent application of central neuraxial blocks. METHODS: Medical record data of 617 and 254 elderly adults undergoing below-knee surgery in Jorvi and Meilahti hospitals (Helsinki University Hospital) between January 2010 and December 2012 were used to investigate the influence of anaesthetic technique on operating theatre times and on operating unit times using flexible parametric survival models...
January 16, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28079735/incidence-of-local-anesthetic-systemic-toxicity-in-orthopedic-patients-receiving-peripheral-nerve-blocks
#3
Eva E Mörwald, Nicole Zubizarreta, Crispiana Cozowicz, Jashvant Poeran, Stavros G Memtsoudis
BACKGROUND AND OBJECTIVES: Peripheral nerve blocks are increasingly used. However, despite low complication rates, concerns regarding local anesthetic systemic toxicity remain. Although recent studies suggest that this severe complication has decreased considerably, there is a paucity of data about it on a national level. We sought to elucidate the incidence of local anesthetic systemic toxicity on a national level and therefore provide guidance toward the need for preparedness in daily anesthetic practice...
January 9, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28078568/rediagnosing-one-of-smith-s-patients-john-mccann-with-neuromas-tumours-1849
#4
Martino Ruggieri, Andrea D Praticò, Rosario Caltabiano, Agata Polizzi
In 1849, the Irish Professor of Surgery, Sir Robert William Smith, by publishing his "Treatise on the Pathology, Diagnosis and Treatment of Neuroma", collected six previous examples of "general development of neuromatous tumours" and reported three further cases (two personal and one referred) of what is nowadays known as neurofibromatosis. Among these latter cases, there was a 35-year-old cattle-driver, John McCann, who was first admitted at hospital in 1840 because of a large tumour on the right side of his neck thought to be malignant (and a second tumour sublingually) but not operated...
January 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28075022/the-mechanistic-basis-for-photobiomodulation-therapy-of-neuropathic-pain-by-near-infrared-laser-light
#5
Vanessa Milanesi Holanda, Maria Cristina Chavantes, Xingjia Wu, Juanita J Anders
BACKGROUND AND OBJECTIVE: Various irradiances have been reported to be beneficial for the treatment of neuropathic pain with near infrared light. However, the mechanistic basis for the beneficial outcomes may vary based on the level of irradiance or fluence rate used. Using in vivo and in vitro experimental models, this study determined the mechanistic basis of photobiomodulation therapy (PBMT) for the treatment of neuropathic pain using a high irradiance. STUDY DESIGN/MATERIALS AND METHODS: In vitro experiments: Cultured, rat DRG were randomly assigned to control or laser treatment (LT) groups with different irradiation times (2, 5, 30, 60, or 120 seconds)...
January 11, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28072807/occipital-nerve-stimulation-for-refractory-chronic-migraine-results-of-a-long-term-prospective-study
#6
Dolores Rodrigo, Pilar Acin, Pedro Bermejo
BACKGROUND: Refractory chronic migraine affects approximately 4% of the population worldwide and results in severe pain, lifestyle limitations, and decreased quality of life. Occipital nerve stimulation (ONS) refers to the electric stimulation of the distal branches of greater and lesser occipital nerves; the surgical technique has previously been described and has demonstrated efficacy in the treatment of a wide variety of headache disorders. OBJECTIVES: The aim of this study is to evaluate the long-term efficacy and tolerability of ONS for medically intractable chronic migraine...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28068329/the-primacy-of-nf1-loss-as-the-driver-of-tumorigenesis-in-neurofibromatosis-type-1-associated-plexiform-neurofibromas
#7
A Pemov, H Li, R Patidar, N F Hansen, S Sindiri, S W Hartley, J S Wei, A Elkahloun, S C Chandrasekharappa, J F Boland, S Bass, J C Mullikin, J Khan, B C Widemann, M R Wallace, D R Stewart
Neurofibromatosis type 1 (NF1) is a common tumor-predisposition disorder due to germline mutations in the tumor suppressor gene NF1. A virtually pathognomonic finding of NF1 is the plexiform neurofibroma (PN), a benign, likely congenital tumor that arises from bi-allelic inactivation of NF1. PN can undergo transformation to a malignant peripheral nerve sheath tumor, an aggressive soft-tissue sarcoma. To better understand the non-NF1 genetic contributions to PN pathogenesis, we performed whole-exome sequencing, RNASeq profiling and genome-wide copy-number determination for 23 low-passage Schwann cell cultures established from surgical PN material with matching germline DNA...
January 9, 2017: Oncogene
https://www.readbyqxmd.com/read/28060787/peripheral-nerve-blocks-for-surgery-about-the-knee
#8
Richard Howell, Brenton Hill, Christopher Hoffman, Erin Treacy, Mary K Mulcahey
No abstract text is available yet for this article.
December 6, 2016: JBJS Reviews
https://www.readbyqxmd.com/read/28060689/-schwannoma-of-the-upper-extremity-retrospective-analysis-of-17-cases
#9
Ângelo Sá, Leandro Nobre Azevedo, Luísa Cunha
INTRODUCTION: Schwannoma or neurilemmoma is a benign peripheric nerve tumor that usually presents as a slow growing single lesion; it has origin in Schwann cells proliferation. Although it represents a small percentage of the benign tumors of the upper arm, it is the most frequent of neural origin. We present a retrospective study of upper limb schwannomas; our aim is establish the appropriate preoperative approach, to recognise the efficiency of the treatment and the pos-operative follow-up...
September 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28052660/outcomes-of-treatment-for-malignant-peripheral-nerve-sheath-tumors-different-clinical-features-associated-with-neurofibromatosis-type-1
#10
In Kyung Hwang, Seung Min Hahn, Hyo Sun Kim, Sang Kyum Kim, Hyo Song Kim, Kyoo-Ho Shin, Chang Ok Suh, Chuhl Joo Lyu, Jung Woo Han
Purpose: Malignant peripheral nerve sheath tumors (MPNSTs) are a rare subtype of sarcoma that occur spontaneously or in association with neurofibromatosis type 1 (NF-1). This study aimed to clinically differentiate these types of MPNSTs. Materials and Methods: The study reviewed 95 patients diagnosed with and treated for MPNST at Yonsei University Health System, Seoul, Korea over a 27-year period. The clinical characteristics, prognostic factors, and treatment outcomes of sporadic (sMPNST) and NF-1 associated MPNST (NF-MPNST) cases were compared...
December 1, 2016: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28044002/abdominal-wall-type-i-complex-regional-pain-syndrome-treated-effectively-with-peripheral-nerve-field-stimulation-a-case-report
#11
Linqiu Zhou, Henry Chou, Eric Holder
Chronic abdominal wall pain is a well-documented complication of abdominal surgery. However, abdominal wall complex regional pain syndrome (CRPS) is a rare medical condition. We present a case of abdominal wall CRPS and its treatment with peripheral nerve field stimulation (PNfS). A 34-year-old female presented with right periumbilical pain for 2 years. She developed burning, sharp and stabbing pain with allodynia (extremely sensitive to wind and light touch) and erythema or pallor 2 weeks after an exploratory appendectomy...
January 2, 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28040578/analgesia-after-acl-reconstruction-hamstring-donor-site-injection-versus-intra-articular-local-anaesthetic-injection
#12
Bertrand Sonnery-Cottet, Adnan Saithna, Abdul Azeem, Eric Choudja, Jean Baptiste Pic, Julien Cabaton, Mathieu Thaunat
BACKGROUND: The purpose of this study was to compare hamstring donor-site injection versus intra-articular injection of a local anaesthetic for analgesia after anterior cruciate ligament (ACL) reconstruction. HYPOTHESIS: The two methods provide similar pain relief. MATERIAL AND METHODS: 158 consecutive patients undergoing ACL hamstring tendon graft reconstruction (semi-tendinosus/gracilis [STG] or four-stranded semi-tendinosus [ST4]) during two periods in 2015 were included...
December 28, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28033624/-plastic-surgery-in-palliative-care-report-on-the-consensus-workshop-of-the-37th-annual-meeting-of-the-german-language-group-for-microsurgery-of-the-peripheral-nerves-and-vessels-dam-2016-in-bochum
#13
A Daigeler, M Lehnhardt, S Bauer, S Goldhammer, P M Vogt
Introduction: At the consensus meeting on "Plastic Surgery in the Palliative Situation" at the 37th Annual Meeting of the DAM 2015 in Bochum, treatment options were discussed with oncologists and palliative care anesthesiologists and recommendations were given. Methods: The literature was reviewed and the results of the expert-meeting options and limits of therapy were illustrated. The role of plastic surgery for palliative care patients was pointed out and recommendations given for successful cooperative treatment...
December 2016: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28033291/adductor-canal-block-versus-femoral-nerve-block-combined-with-sciatic-nerve-block-as-an-anesthetic-technique-for-hindfoot-and-ankle-surgery-a-prospective-randomized-noninferiority-trial
#14
Han Bum Joe, Ho Sik Choo, Ji Sang Yoon, Sang Eon Oh, Jae Ho Cho, Young Uk Park
BACKGROUND: A femoral nerve block (FNB) in combination with a sciatic nerve block (SNB) is commonly used for anesthesia and analgesia in patients undergoing hindfoot and ankle surgery. The effects of FNB on motor function, related fall risk, and rehabilitation are controversial. An adductor canal block (ACB) potentially spares motor fibers in the femoral nerve, but the comparative effect on hindfoot and ankle surgeries between the 2 approaches is not yet well defined. We hypothesized that compared to FNB, ACB would cause less weakness in the quadriceps and produce similar pain scores during and after the operation...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28025370/prognosis-after-surgical-treatment-of-trigeminal-neuropathy-with-a-pga-c-tube-report-of-10-cases
#15
Kenji Seo, Makoto Terumitsu, Yuji Inada, Tatsuo Nakamura, Keiji Shigeno, Yutaka Tanaka
OBJECTIVE: Although surgery using a polyglycolic acid-collagen (PGA-c) tube is effective for peripheral nerve injury-induced chronic hand pain, it has not been applied to trigeminal nerve lesions because of the difficult approach. We used a PGA-c tube during surgery for trigeminal neuropathy and evaluated its prognosis based on the outcomes. DESIGN: Case report. SETTING AND PATIENTS: In the dental anesthesia division of a university hospital, 11 patients with severe dysesthesia underwent surgical repair of a damaged lingual nerve (LN) or inferior alveolar nerve (IAN)...
December 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28013487/surgical-treatment-of-migraine-headaches
#16
REVIEW
Lisa Gfrerer, Bahman Guyuron
The senior author (BG) introduced the modern concept of migraine surgery in 2000. Since then, over 40 articles have been published by eight centers across the US, Europe, and Asia, describing positive outcomes after surgery in 68-95% of cases. Surgeons, neurologists, and patients are increasingly interested in this new treatment method. However, the majority of publications on this topic are found in surgical literature, with few articles presented in neurology journals. This review is an introduction to migraine surgery for neurologists from a surgeons view...
December 24, 2016: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28005643/fibromatosis-associated-with-neuromuscular-choristoma-evaluation-by-fdg-pet-ct
#17
Stephen M Broski, Benjamin M Howe, Robert J Spinner, Kimberly K Amrami
Neuromuscular choristoma (NMC) is a rare benign peripheral nerve lesion consisting of mature skeletal muscle fibers admixed with nerve fascicles. Aggressive fibromatosis frequently develops in association with NMC, often after surgery or biopsy, but the exact pathogenesis is not known. We present a case of NMC complicated by aggressive fibromatosis evaluated by F-FDG PET/CT and examine the relationship of metabolic activity and MRI signal characteristics.
December 21, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28002867/update-on-ultrasound-guided-interventional-procedures-on-peripheral-nerves
#18
Alberto Tagliafico, Bianca Bignotti, Carlo Martinoli
This article is a practical review update on ultrasound (US)-guided interventional procedures on peripheral nerves. Technical considerations, biopsy techniques, and some examples of injections are described. US is considered a safe imaging guidance for interventional procedures, due to its high spatial resolution and the possibility to image the needle and inject drugs in real time. US-guided injections could be considered a diagnostic and therapeutic option in the most common neuropathy, before or as an alternative to surgery...
November 2016: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/27999499/perineural-liposomal-bupivacaine-for-postoperative-pain-control-in-patients-undergoing-upper-extremity-orthopedic-surgery-a-prospective-and-randomized-pilot-study
#19
José R Soberón, William Ericson-Neilsen, Leslie E Sisco-Wise, Mariella Gastañaduy, David E Beck
BACKGROUND: Upper extremity surgery is commonly performed in the ambulatory setting and is associated with moderate to severe postoperative pain. METHODS: Patients scheduled for upper extremity orthopedic surgery with a peripheral nerve block were randomized to receive either an ultrasound-guided single-injection supraclavicular block or ultrasound-guided median, ulnar, and radial nerve blocks (forearm blocks) performed at the level of the mid to proximal forearm with liposomal bupivacaine (Exparel) combined with a short-acting supraclavicular block...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27994888/a-rare-malignant-peripheral-nerve-sheath-tumor-of-the-maxilla-mimicking-a-periapical-lesion
#20
José Alcides Arruda, Pamella Álvares, Luciano Silva, Alexandrino Pereira Dos Santos Neto, Cleomar Donizeth Rodrigues, Antônio Caubi, Marcia Silveira, Sandra Sayão, Ana Paula Sobral
Malignant peripheral nerve sheath tumor is a malignant neoplasm that is rarely found in the oral cavity. About 50% of this tumor occurs in patients with neurofibromatosis type I and comprises approximately 10% of all soft tissue sarcomas of head and neck region. Intraosseous malignant peripheral nerve sheath tumor of the maxilla is rare. This article is the first to address malignant peripheral nerve sheath tumor of the maxilla presenting as a periapical radiolucency on nonvital endodontically treated teeth in the English medical literature...
2016: Case Reports in Dentistry
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