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"peripheral nerve block"

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https://www.readbyqxmd.com/read/28227422/a-probabilistic-framework-based-on-slic-superpixel-and-gaussian-processes-for-segmenting-nerves-in-ultrasound-images
#1
Julian Gil Gonzalez, Mauricio A Alvarez, Alvaro A Orozco, Julian Gil Gonzalez, Mauricio A Alvarez, Alvaro A Orozco, Mauricio A Alvarez, Julian Gil Gonzalez, Alvaro A Orozco
We deal with an important problem in the field of anesthesiology known as automatic segmentation of nerve structures depicted in ultrasound images. This is important to aid the experts in anesthesiology, in order to carry out Peripheral Nerve Blocking (PNB). Ultrasound imaging has gained recent interest for performing PNB procedures since it offers a non-invasive visualization of the nerve and the anatomical structures around it. However, the location of these nerves in ultrasound images is a difficult task for the specialist due to the artifacts (i...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28212188/threading-the-needle-with-peripheral-nerve-blocks-achieving-analgesia-avoiding-neurological-injury-erratum
#2
(no author information available yet)
No abstract text is available yet for this article.
March 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28186424/defining-local-nerve-blocks-for-feline-distal-pelvic-limb-surgery-a-cadaveric-study
#3
Masataka Enomoto, B Duncan X Lascelles, Mathew P Gerard
Objectives Anatomical and methodological detail is lacking regarding local anesthetic peripheral nerve block techniques for distal pelvic limb surgery in cats. The aim of this study was to develop, describe and test nerve block methods based on cadaveric dissections and dye injections. Methods Ten pairs of feline pelvic limbs (n = 20) were dissected and the tibial nerve (T n.), common fibular (peroneal) nerve (CF n., and its two branches, the superficial fibular [peroneal] nerve [SpF n.] and the deep fibular [peroneal] nerve [DpF n...
February 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28181199/an-examination-of-disparities-in-pediatric-pain-management-centered-on-socioeconomic-factors-and-hospital-characteristics
#4
Franklin B Chiao, Alan Wang
INTRODUCTION: Very little is known about pediatric pain management resource differences. In contrast, disparities in pain management within the adult population are known to exist. This research examined whether significant differences exist between hospitals in the state of New York and what factors impact these pain resources. METHODS: The study was approved by the institutional review board. A questionnaire was sent to the anesthesia/pediatric/pain directors of every hospital in the state of New York via SurveyMonkey...
February 8, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28178149/combination-of-general-anesthesia-and-peripheral-nerve-block-with-low-dose-ropivacaine-reduces-postoperative-pain-for-several-days-after-outpatient-arthroscopy-a-randomized-controlled-clinical-trial
#5
Benedikt Büttner, Ashham Mansur, José Hinz, Joachim Erlenwein, Martin Bauer, Ingo Bergmann
BACKGROUND: Effective methods for postoperative pain relief are an important concern in outpatient surgery. For arthroscopies we combine a single-shot peripheral nerve block using low-volume, low-concentration ropivacaine with general anesthesia. We hypothesized that the patients would have less postoperative pain and be more rapidly home ready than after general anesthesia alone. METHODS: Patients (American Society of Anesthesiologists I-III, 18-80 years old) scheduled for outpatient arthroscopy on the upper or lower extremity were randomized to have either a combination of peripheral nerve block and general anesthesia (NB + GA, study group) or general anesthesia alone (GA, control group)...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28166067/ultrasound-guided-femoral-nerve-block-to-provide-analgesia-for-positioning-patients-with-femur-fracture-before-subarachnoid-block-comparison-with-intravenous-fentanyl
#6
S Ranjit, B B Pradhan
Background Positioning patients with fractured femur for subarachnoid block is painful. Intravenous analgesics or peripheral nerve block like femoral nerve block or fascia iliaca compartment block are some of the available techniques to reduce pain. We compared the efficacy of femoral nerve block and intravenous fentanyl in providing effective analgesia before positioning for subarachnoid block. Objective This study was designed to compare between ultrasound guided femoral nerve block with lignocaine and intravenous fentanyl in providing effective analgesia before positioning patient with femur fracture in sitting position for subarachnoid block...
April 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/28161653/low-level-laser-therapy-lllt-accelerates-the-sternomastoid-muscle-regeneration-process-after-myonecrosis-due-to-bupivacaine
#7
Cristiane Neves Alessi Pissulin, Ana Angélica Henrique Fernandes, Alejandro Manuel Sanchez Orellana, Renata Calciolari Rossi E Silva, Selma Maria Michelin Matheus
BACKGROUND: Because of its long-lasting analgesic action, bupivacaine is an anesthetic used for peripheral nerve block and relief of postoperative pain. Muscle degeneration and neurotoxicity are its main limitations. There is strong evidence that low-level laser therapy (LLLT) assists in muscle and nerve repair. The authors evaluated the effects of a Gallium Arsenide laser (GaAs), on the regeneration of muscle fibers of the sternomastoid muscle and accessory nerve after injection of bupivacaine...
January 26, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28151818/the-effect-of-fixation-technique-on-continuous-interscalene-nerve-block-catheter-success-a-randomized-double-blind-trial
#8
David B Auyong, David Asher Cantor, Cynthia Green, Neil A Hanson
BACKGROUND: Continuous peripheral nerve blocks offer advantages over single-injection blocks, including extended analgesia and reduction in opioid consumption. These benefits require that the perineural catheter remain intact for the duration of the planned local anesthetic infusion. Mechanical displacement of catheters, leaking, and consequent failure are known complications. The aim of this study was to evaluate continuous perineural catheter tip-to-nerve apposition in vivo over 48 hours comparing 2 different simple fixation strategies...
March 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28110944/why-to-use-peripheral-nerve-blocks-in-orthopedic-surgery
#9
M Á Gómez-Ríos
No abstract text is available yet for this article.
January 19, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28106354/adding-dexmedetomidine-to-ropivacaine-for-femoral-nerve-block-inhibit-local-inflammatory-response
#10
Jing Li, Hanghui Wang, Buhuai Dong, Jianbing Ma, Xucai Wu
BACKGROUND: Peripheral nerve block has an anti-inflammatory effect that is confirmed in animal studies, while inconclusive in human studies. Dexmedetomidine (DEX), a highly selective α2-adenoceptor agonist, has a potent anti-inflammatory effect. The aim of this study was to evaluate the effect of DEX added to ropivacaine for femoral nerve block (FNB) on local inflammatory response after total knee arthroplasty (TKA). METHODS: Sixty patients scheduled for TKA were randomized into two equal groups in a prospective randomized study...
January 20, 2017: Minerva Anestesiologica
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
#11
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/28098683/threading-the-needle-with-peripheral-nerve-blocks-achieving-analgesia-avoiding-neurological-injury
#12
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Anesthesia and Analgesia
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
#13
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/28090631/operating-unit-time-use-is-associated-with-anaesthesia-type-in-below-knee-surgery-in-adults
#14
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...
March 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28086940/ultrasound-guided-percutaneous-peripheral-nerve-stimulation-for-analgesia-following-total-knee-arthroplasty-a-prospective-feasibility-study
#15
Brian M Ilfeld, Christopher A Gilmore, Stuart A Grant, Michael P Bolognesi, Daniel J Del Gaizo, Amorn Wongsarnpigoon, Joseph W Boggs
BACKGROUND: Peripheral nerve stimulation has been used for decades to treat chronic pain but has not been used for postoperative analgesia due to multiple limitations, beginning with invasive electrode placement. With the development of small-diameter/gauge leads enabling percutaneous insertion, ultrasound guidance for accurate introduction, and stimulators small enough to be adhered to the skin, neurostimulation may now be provided in a similar manner to continuous peripheral nerve blocks...
January 13, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28079735/incidence-of-local-anesthetic-systemic-toxicity-in-orthopedic-patients-receiving-peripheral-nerve-blocks
#16
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/28067709/factors-associated-with-risk-of-neurologic-complications-after-peripheral-nerve-blocks-a-systematic-review
#17
Rakesh V Sondekoppam, Ban C H Tsui
The onset of neurologic complications after regional anesthesia is a complex process and may result from an interaction of host, agent, and environmental risk factors. The purpose of this systematic review was examine the qualitative evidence relating to various risk factors implicated in neurologic dysfunction after peripheral nerve block (PNB). The MEDLINE, OVID, and EMBASE databases were primary sources for literature. Cochrane, LILACS, DARE, IndMed, ERIC, NHS, and HTA via Centre for Reviews and Dissemination (CRD; York University) databases were searched for additional unique results...
February 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28060787/peripheral-nerve-blocks-for-surgery-about-the-knee
#18
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/28059804/bupivacaine-increases-the-rate-of%C3%A2-motoneuron-death-following-peripheral%C3%A2-nerve-injury
#19
Susanna C Byram, Scott W Byram, Nicholas M Miller, Keith N Fargo
BACKGROUND: Appropriate management of pain after an injury or surgical procedure has been shown to improve patient outcomes. While infrequent, nerve damage resulting from regional anesthesia can be devastating, however the mechanism remains unknown. Local anesthetics are neurotoxic yet are frequently applied to sites where peripheral nerves are regenerating. Therefore, understanding their effects on injured and growing neurons may have important implications for clinical practice. OBJECTIVE: The purpose of this study was to determine if local anesthetics exacerbate the rate of motoneuron death following axotomy...
January 4, 2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28040578/analgesia-after-acl-reconstruction-hamstring-donor-site-injection-versus-intra-articular-local-anaesthetic-injection
#20
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
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