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Median nerve block

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https://www.readbyqxmd.com/read/28420906/comparison-of-ultrasound-and-ultrasound-plus-nerve-stimulator-guidance-axillary-plexus-block
#1
Gokhan Demirelli, Semih Baskan, Isil Karabeyoglu, Ismail Aytac, Dilsen Hatice Ornek, Alper Erdogmus, Mustafa Baydar
OBJECTIVE: To evaluate the characteristics of axillary plexus blockade applied using ultrasound only and using ultrasound together with nerve stimulator in patients undergoing planned forearm, wrist or hand surgery. METHODS: This randomised, prospective, double-blinded, single-centre study was conducted at Ankara Numune Training and Research Hospital, Ankara, Turkey, from November 2014 to August 2015, and comprised patients undergoing forearm, wrist or hand surgery...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28396863/real-time-ultrasound-mri-fusion-for-suprasacral-parallel-shift-approach-to-lumbosacral-plexus-blockade-and-analysis-of-injectate-spread-an-exploratory-randomized-controlled-trial
#2
Jennie Maria Christin Strid, Erik Morre Pedersen, Sinan Naseer Hussain Al-Karradi, Mathias Alrø Fichtner Bendtsen, Siska Bjørn, Mette Dam, Morten Daugaard, Martin Sejr Hansen, Katrine Danker Linnet, Jens Børglum, Kjeld Søballe, Thomas Fichtner Bendtsen
Fused real-time ultrasound and magnetic resonance imaging (MRI) may be used to improve the accuracy of advanced image guided procedures. However, its use in regional anesthesia is practically nonexistent. In this randomized controlled crossover trial, we aim to explore effectiveness, procedure-related outcomes, injectate spread analyzed by MRI, and safety of ultrasound/MRI fusion versus ultrasound guided Suprasacral Parallel Shift (SSPS) technique for lumbosacral plexus blockade. Twenty-six healthy subjects aged 21-36 years received two SSPS blocks (20 mL 2% lidocaine-epinephrine [1 : 200,000] added 1 mL diluted contrast) guided by ultrasound/MRI fusion versus ultrasound...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28380651/-optical-coherence-tomography-angiography-in-diagnosis-and-post-treatment-assessment-of-hemangioblastomas-in-hippel-lindau-disease
#3
S J Lang, C Evers, B Cakir, F Ludwig, C Lange, H Agostini
Background Optical coherence tomography angiography (OCTA) offers the possibility to visualize, non-invasively, blood vessels of the retina. In vascular tumors, especially hemangioblastomas in Hippel-Lindau disease, new information can be obtained with OCTA concerning structure of the tumor, tumor activity and treatment success. Patients Ten eyes of 10 patients with retinal hemangioblastoma in Hippel-Lindau disease were included. The age of the patients ranged from 19 years to 65 years (median 44 years). Results A total of 10 active and one inactive hemangioblastomas were examined with OCTA...
April 5, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28325433/reliability-of-the-grip-strength-coefficient-of-variation-for-detecting-sincerity-in-normal-and-blocked-median-nerve-in-healthy-adults
#4
N J Wachter, M Mentzel, R Hütz, J Gülke
In the assessment of hand and upper limb function, detecting sincerity of effort (SOE) for grip strength is of major importance to identifying feigned loss of strength. Measuring maximal grip strength with a dynamometer is very common, often combined with calculating the coefficient of variation (CV), a measure of the variation over the three grip strength trials. Little data is available about the relevance of these measurements in patients with median nerve impairment due to the heterogeneity of patient groups...
April 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28319875/electrophysiologic-features-of-ulnar-neuropathy-in-childhood-and-adolescence
#5
Ioannis Karakis, Wendy Liew, Heather Szelag Fournier, H Royden Jones, Basil T Darras, Peter B Kang
OBJECTIVE: To analyze patterns of nerve injury in pediatric ulnar neuropathy (PUN). METHODS: Retrospective analysis of 49 children with PUN. RESULTS: Sensory loss in digit V was the prevailing complaint (89%). Predominant localization was at the elbow (55%). Diminished ulnar SNAP was the most common abnormality (71%) with median axon loss estimate (MAXE) of 62%. Dorsal ulnar cutaneous (DUC) sensory nerve action potential (SNAP) was reduced in 55% with MAXE of 43%...
May 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28295822/anterior-rectus-sheath-blocks-in-children-with-abdominal-wall-pain-due-to-anterior-cutaneous-nerve-entrapment-syndrome-a-prospective-case-series-of-85-children
#6
Murid Siawash, Frederique Mol, Walther Tjon-A-Ten, Christel Perquin, Percy van Eerten, Ernst van Heurn, Rudi Roumen, Marc Scheltinga
BACKGROUND: Chronic abdominal pain in children may be caused by the anterior cutaneous nerve entrapment syndrome. Local nerve blocks are recommended as an initial treatment in adults. Evidence on effectiveness and safety of such a treatment in children is lacking. AIM: Our aim was to study outcome and adverse events of anterior rectus sheath blocks in childhood anterior cutaneous nerve entrapment syndrome. METHODS: Patients <18 years of age receiving anterior rectus sheath blocks were prospectively followed...
May 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28280382/retention-of-finger-blood-flow-against-postural-change-as-an-indicator-of-successful-sympathetic-block-in-the-upper-limb
#7
Toshihiko Nakatani, Tatsuya Hashimoto, Ichiro Sutou, Yoji Saito
BACKGROUND: Sympathetic block in the upper limb has diagnostic, therapeutic and prognostic utility for disorders in the upper extremity that are associated with sympathetic disturbances. Increased skin temperature and decreased sweating are used to identify the adequacy of sympathetic block in the upper limb after stellate ganglion block (SGB). Baroreflexes elicited by postural change induce a reduction in peripheral blood flow by causing sympathetic vasoconstriction. We hypothesized that sympathetic block in the upper limb reduces the decrease in finger blood flow caused by baroreflexes stimulated by postural change from the supine to long sitting position...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28274058/evaluation-of-efficacy-of-intraligamentary-injection-technique-for-extraction-of-mandibular-teeth-a-prospective-study
#8
Raunak Pradhan, Deepak Kulkarni, Lakshmi Shetty
INTRODUCTION: Fear of dental pain is one of the most common reasons for delaying dental treatment. Local Anaesthesia (LA) is the most commonly employed technique of achieving pain control in dentistry. Pterygomandibular Nerve Block (PNB), for achieving mandibular anaesthesia has been the traditional technique used and is associated with a few set of complications which include pain, nerve injury, trismus, and rarely facial nerve palsy, and sustained soft tissue anaesthesia. These complications have resulted in a rapid need for research on alternative local anaesthetic techniques...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28267068/sensory-distribution-of-the-lateral-cutaneous-nerve-of-forearm-after-ultrasound-guided-block-potential-implications-for-thumb-base-surgery
#9
Christopher S Hasenkam, Gregory A Hoy, Paul F Soeding
Surgery of the wrist and hand commonly involves regional anesthesia of the median nerve and superficial radial nerve within the forearm. In this sonographic study, the contribution of the lateral cutaneous nerve of forearm (LCNF) to thumb cutaneous sensation was studied. Patients scheduled for thumb suspension arthroplasty (n = 35) were examined by ultrasound, with LCNF, median nerve, and superficial radial nerve identified. A single nerve was then injected with local anesthetic, and the area of cutaneous sensory loss mapped at 15 minutes...
March 6, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28258652/sonography-of-carpal-tunnel-syndrome-according-to-pathophysiologic-type-conduction-block-versus-axonal-degeneration
#10
Hyun Im Moon, Hee Kyu Kwon, Ahry Lee, Se Kwang Lee, Sung-Bom Pyun
OBJECTIVES: The purpose of this study was to investigate sonographic findings according to the pathophysiologic type in patients with carpal tunnel syndrome. METHODS: We retrospectively reviewed the records of 80 patients (148 hands) with carpal tunnel syndrome. Patients were classified into 3 groups according to electrophysiologic findings: (1) conduction block and conduction delay; (2) axonal degeneration; and (3) mixed. We used sonographic evaluations to assess the cross-sectional area at the distal wrist crease and the distal forearm and the wrist-to-forearm ratio of the median nerve...
May 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28252600/-an-effect-of-ipidacrine-neuromidin-on-electroneuromyographic-parameters-in-the-conditions-of-artificial-decompression-a-clinical-instrumental-study
#11
E V Bahtereva, V A Shirokov, E L Leiderman, N L Terechov, A N Varaksin, V G Panov
AIM: To study an effect of neuromidin on the changes in electroneuromyographic (ENMG) parameters in patients with carpal tunnel syndrome in the conditions of artificial decompression of a forearm. MATERIAL AND METHODS: Sixty-four 64 patients, 46 women and 18 men, mean age 50,7±4,5years, matched for disease severity were studied. The patients were randomized into neuromidin group and control group. Neuromidin was introduced using subcutaneous local perineural injections...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28220194/-diagnostic-ability-of-power-measurement-of-different-grip-forms-for-distal-median-nerve-lesion
#12
N Wachter, M Mentzel, G Krischak, C Häderer, J Gülke
BACKGROUND: Peripheral lesions of the median nerve cause characteristic changes of the grip function of the hand. For evaluating grip force changes, measurement by dynamometers (JAMAR dynamometer and pinch dynamometer) is of high relevance. In this study the ability of grip force measurements of different grip forms was evaluated to discriminate between a simulated median nerve lesion and healthy subjects. MATERIAL AND METHODS: In 21 healthy subjects, the grip force of power grip was measured by the JAMAR dynamometer at the second stage including measurement of force at the fingertips and the thenar by a sensor glove...
February 20, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28195898/ultrasound-guided-glossopharyngeal-nerve-block-a-cadaver-and-a-volunteer-sonoanatomy-study
#13
Josip Ažman, Tatjana Stopar Pintaric, Erika Cvetko, Kamen Vlassakov
BACKGROUND AND OBJECTIVES: Glossopharyngeal nerve (GPN) blocks are usually performed by topical, intraoral, or peristyloid approaches, which carry significant complication risks due to the proximity of important neurovascular structures. This study presents a proof of concept for a new ultrasound (US)-guided technique, which would block the GPN distally, in the parapharyngeal space, away from the immediate vicinity of high-risk collateral structures. METHODS: Five cadaver heads were dissected, and the location of the GPN was explored bilaterally...
March 2017: Regional Anesthesia and Pain Medicine
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
#14
RANDOMIZED CONTROLLED TRIAL
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
#15
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/28159317/novel-treatment-protocol-for-ameliorating-refractory-chronic-pain-in-patients-with-autosomal-dominant-polycystic-kidney-disease
#16
Niek F Casteleijn, Maatje D A van Gastel, Peter J Blankestijn, Joost P H Drenth, Rosa L de Jager, Anna M Leliveld, Ruud Stellema, Andreas P Wolff, Gerbrand J Groen, Ron T Gansevoort
Autosomal dominant polycystic kidney disease (ADPKD) patients can suffer from chronic pain that can be refractory to conventional treatment, resulting in a wish for nephrectomy. This study aimed to evaluate the effect of a multidisciplinary treatment protocol with sequential nerve blocks on pain relief in ADPKD patients with refractory chronic pain. As a first step a diagnostic, temporary celiac plexus block with local anesthetics was performed. If substantial pain relief was obtained, the assumption was that pain was relayed via the celiac plexus and major splanchnic nerves...
April 2017: Kidney International
https://www.readbyqxmd.com/read/28157792/ultrasound-guided-costoclavicular-brachial-plexus-block-sonoanatomy-technique-and-block-dynamics
#17
Jia Wei Li, Banchobporn Songthamwat, Winnie Samy, Xavier Sala-Blanch, Manoj Kumar Karmakar
BACKGROUND AND OBJECTIVES: This study aimed to describe in detail the relevant sonoanatomy, technique, and block dynamics of an ultrasound-guided costoclavicular brachial plexus block (BPB). METHODS: Thirty patients scheduled for hand or forearm surgery under a BPB underwent transverse ultrasound imaging of the medial infraclavicular fossa to identify the cords of the brachial plexus at the costoclavicular space (CCS). An ultrasound-guided BPB was then performed at the CCS with 20 mL of 0...
March 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28153755/buffered-1-lidocaine-with-epinephrine-is-as-effective-as-non-buffered-2-lidocaine-with-epinephrine-for-mandibular-nerve-block
#18
Victor T Warren, Anson G Fisher, Eric M Rivera, Pooja T Saha, Blake Turner, Glenn Reside, Ceib Phillips, Raymond P White
PURPOSE: To assess outcomes for pulpal anesthesia and pain on injection for buffered 1% lidocaine with 1:100,000 epinephrine (EPI) versus non-buffered 2% lidocaine with 1:100,000 EPI. PATIENTS AND METHODS: In a randomized cross-over trial approved by the institutional review board, buffered 1% lidocaine with 1:100,000 EPI was compared with non-buffered 2% lidocaine with 1:100,000 EPI. After mandibular nerve block with buffered lidocaine 40 mg or non-buffered lidocaine 80 mg, patients reported responses at the mandibular first molar and canine after cold and electrical pulp testing (EPT)...
January 5, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28151818/the-effect-of-fixation-technique-on-continuous-interscalene-nerve-block-catheter-success-a-randomized-double-blind-trial
#19
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/28149919/comparison-of-group-level-source-localized-activity-for-simultaneous-functional-near-infrared-spectroscopy-magnetoencephalography-and-simultaneous-fnirs-fmri-during-parametric-median-nerve-stimulation
#20
Theodore Huppert, Jeff Barker, Benjamin Schmidt, Shawn Walls, Avniel Ghuman
Functional near-infrared spectroscopy (fNIRS) is a noninvasive neuroimaging technique, which uses light to measure changes in cerebral blood oxygenation through sensors placed on the surface of the scalp. We recorded concurrent fNIRS with magnetoencephalography (MEG) and functional magnetic resonance imaging (fMRI) in order to investigate the group-level correspondence of these measures with source-localized fNIRS estimates. Healthy participants took part in both a concurrent fNIRS-MEG and fNIRS-fMRI neuroimaging session during two somatosensory stimulation tasks, a blocked design median nerve localizer and parametric pulsed-pair median nerve stimulation using interpulse intervals from 100 to 500 ms...
January 2017: Neurophotonics
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