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Radial nerve block

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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
#1
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/28215043/is-the-change-of-percutaneous-oxygen-pressure-available-to-judge-the-effects-of-brachial-plexus-block
#2
Tomoki Nishiyama
BACKGROUND: To know the objective methods of the effects of the brachial plexus block, we studied the changes in percutaneous oxygen pressure (tcPO₂) with the hypothesis that tcPO₂ increases significantly on the blocked arm in comparison with the non-blocked arm, a phenomenon which is connected with vasodilation following the brachial plexus block. METHODS: Fifteen patients scheduled for upper extremity surgery, aged 20 to 70 years, with ASA physical status I or II were included...
February 19, 2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28157792/ultrasound-guided-costoclavicular-brachial-plexus-block-sonoanatomy-technique-and-block-dynamics
#3
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/28149139/can-we-perform-distal-nerve-block-instead-of-brachial-plexus-nerve-block-under-ultrasound-guidance-for-hand-surgery
#4
Ilker Ince, Mehmet Aksoy, Mine Celik
OBJECTIVE: Distal nerve blocks are used in the event of unsuccessful blocks as rescue techniques. The primary purpose of this study was to determine the sufficiency for anesthesia of distal nerve block without the need for deep sedation or general anesthesia. The secondary purpose was to compare block performance times, block onset times, and patient and surgeon satisfaction. MATERIALS AND METHODS: Patients who underwent hand surgery associated with the innervation area of the radial and median nerves were included in the study...
October 2016: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/27999501/axillary-block-induced-chemical-sympathectomy-in-the-setting-of-digital-ischemia
#5
José R Soberón, T Michael Truxillo, Christin C Gethers, Taylor A Smith, William E Davis
BACKGROUND: Digital ischemia is associated with several rheumatologic disorders and is often difficult to treat. Symptoms and sequelae can include pain, disability, need for amputation, and poor quality of life. METHODS: Patients diagnosed with digital ischemia were referred for an ultrasound-guided axillary nerve block using liposomal bupivacaine (Exparel, Pacira Pharmaceuticals). The primary outcome measure was radial and ulnar artery diameter preprocedure and postprocedure...
2016: Ochsner Journal
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
#6
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/27917559/prognostic-value-of-nerve-ultrasound-and-electrophysiological-findings-in-saturday-night-palsy
#7
Antonios Kerasnoudis, Panagiota Ntasiou, Efthymia Ntasiou
BACKGROUND AND PURPOSE: We report on the prognostic role of the cross-sectional area (CSA) enlargement and conduction block (CB) in radial neuropathy (Saturday night palsy [SNP]). METHODS: Reference CSA values were defined in 30 healthy subjects. Twenty-four patients with SNP underwent evaluation (Thessaloniki Hypesthesia Score [THS], Medical Research Council [MRC], ultrasound, electrophysiology). All patients were followed up 3 months after initial presentation...
December 5, 2016: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/27904260/sonographic-identification-of-peripheral-nerves-in-the-forearm
#8
Saundra A Jackson, Charlotte Derr, Anthony De Lucia, Marvin Harris, Zuheily Closser, Branko Miladinovic, Rahul Mhaskar, Theresa Jorgensen, Lori Green
BACKGROUND: With the growing utilization of ultrasonography in emergency medicine combined with the concern over adequate pain management in the emergency department (ED), ultrasound guidance for peripheral nerve blockade in ED is an area of increasing interest. The medical literature has multiple reports supporting the use of ultrasound guidance in peripheral nerve blocks. However, to perform a peripheral nerve block, one must first be able to reliably identify the specific nerve before the procedure...
October 2016: Journal of Emergencies, Trauma, and Shock
https://www.readbyqxmd.com/read/27828793/comparison-of-supraclavicular-and-infraclavicular-brachial-plexus-block-a-systemic-review-of-randomized-controlled-trials
#9
Sun-Kyung Park, Su-Young Lee, Won Ho Kim, Han-Seul Park, Young-Jin Lim, Jae-Hyon Bahk
BACKGROUND: Supraclavicular (SC) and infraclavicular (IC) brachial plexus block (BPB) are commonly used for upper extremity surgery. Recent clinical studies have compared the effect of SC- and IC-BPB, but there have been controversies over spread of sensory blockade in each of the 4 peripheral nerve branches of brachial plexus. METHODS: This study included a systemic review, using the Medline and EMBASE database from their inceptions through March 2016. Randomized controlled trials (RCTs) comparing SC- and IC-BPB were included...
February 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27798452/double-injection-technique-assisted-by-a-nerve-stimulator-for-ultrasound-guided-supraclavicular-brachial-plexus-block-results-in-better-distal-sensory-motor-block-a-randomised-controlled-trial
#10
Quehua Luo, Weifeng Yao, HaiHua Shu, Ming Zhong
BACKGROUND: To evaluate the efficacy of a nerve stimulator when used with ultrasound-guided double injection in supraclavicular brachial plexus block. OBJECTIVES: We hypothesised that targeting the inferior trunk of the plexus guided by a nerve stimulator would obtain a higher success rate of ulnar nerve blockade than the traditional double-injection technique. DESIGN: A blinded randomised controlled study. SETTING: Conducted at the University Hospital from October 2015 to January 2016...
March 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/27788289/brachial-plexus-in-the-pampas-fox-lycalopex-gymnocercus-a-descriptive-and-comparative-analysis
#11
Paulo de Souza Junior, Natan da Cruz de Carvalho, Karine de Mattos, Marcelo Abidu Figueiredo, André Luiz Quagliatto Santos
Twenty thoracic limbs of ten Lycalopex gymnocercus were dissected to describe origin and distribution of the nerves forming brachial plexuses. The brachial plexus resulted from the connections between the ventral branches of the last three cervical nerves (C6, C7, and C8) and first thoracic nerve (T1). These branches connected the suprascapular, subscapular, axillary, musculocutaneous, radial, median and ulnar nerves to the intrinsic musculature and connected the brachiocephalic, thoracodorsal, lateral thoracic, long thoracic, cranial pectoral and caudal pectoral nerves to the extrinsic musculature...
March 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27616824/carpal-tunnel-injections-a-novel-approach-based-on-wrist-width
#12
Travis J Menge, Elizabeth B Rinker, Kang-Hsien Fan, John J Block, Donald H Lee
INTRODUCTION: Carpal tunnel steroid injections (CTIs) have the potential risk of damaging underlying critical structures, including the median nerve (MN), radial artery (RA), and ulnar neurovascular bundle (UB). The purpose of this study was to analyze the safety of a volar radial (VR) and volar ulnar (VU) CTI, using standardized anatomical "safe zones." MATERIALS AND METHODS: This study was performed on 87 cadaveric arms using a percentage of the total wrist width as a guide for placement of a VR (30 and 33% of total wrist width) and VU (60 and 66% of total wrist width) injection...
April 2016: Journal of Hand and Microsurgery
https://www.readbyqxmd.com/read/27524691/distal-peripheral-nerve-blocks-in-the-forearm-as%C3%A2-an-alternative-to-proximal-brachial-plexus-blockade-in-patients-undergoing-hand-surgery-a-prospective-and-randomized-pilot-study
#13
José R Soberón, Joseph W Crookshank, Bobby D Nossaman, Clint E Elliott, Leslie E Sisco-Wise, Scott F Duncan
PURPOSE: Limited data exist regarding the role of perineural blockade of the distal median, ulnar, and radial nerves as a primary anesthetic in patients undergoing hand surgery. We conducted a prospective and randomized pilot study to compare these techniques to brachial plexus blocks as a primary anesthetic in this patient population. METHODS: Sixty patients scheduled for hand surgery were randomized to receive either an ultrasound-guided supraclavicular, infraclavicular, or axillary nerve block (brachial plexus blocks) or ultrasound-guided median, ulnar, and radial nerve blocks performed at the level of the mid to proximal forearm (forearm blocks)...
October 2016: Journal of Hand Surgery
https://www.readbyqxmd.com/read/27507152/variations-in-brachial-plexus-with-respect-to-concomitant-accompanying-aberrant-arm-arteries
#14
Horst Claassen, Oliver Schmitt, Andreas Wree, Marko Schulze
INTRODUCTION: Variations in the brachial plexus are the rule rather than the exception. This fact is of special interest for the anesthetist when planning axillary block of brachial plexus. MATERIAL AND METHODS: 167 cadaver arms were evaluated for variations in brachial plexus, with focus on the cords of the plexus, the loop of the median nerve, and the course of the median, musculocutaneous, ulnar, axillary and radial nerves. In addition, concomitant arterial variations were recorded...
November 2016: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/27501616/onset-time-of-2-lidocaine-and-0-5-bupivacaine-mixture-versus-0-5-bupivacaine-alone-using-ultrasound-and-double-nerve-stimulation-for-infraclavicular-brachial-plexus-anesthesia-in-esrd-patients-undergoing-arteriovenous-fistula-creation
#15
RANDOMIZED CONTROLLED TRIAL
Orawan Pongraweewan, Nipa Inchua, Chanatthee Kitsiripant, Benchawan Kongmuang, Wannapa Tiwirach
OBJECTIVE: To reduce the onset of 0.5% bupivacaine by adding 2% lidocaine with 0.5% bupivacaine for ultrasound-guided and double stimulation technique at musculocutaneous and radial nerve for infraclavicular brachial plexus block. DESIGN: Prospective randomized double-blinded, controlled trial study. MATERIAL AND METHOD: 90 patients undergoing creation of arteriovenous fistula under ultrasound-guided infraclavicular brachial plexus block were randomized into 2 groups...
May 2016: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
https://www.readbyqxmd.com/read/27380869/efficacy-of-ultrasound-guided-axillary-brachial-plexus-block-for-analgesia-during-percutaneous-transluminal-angioplasty-for-dialysis-access
#16
Emiko Chiba, Kohei Hamamoto, Michio Nagashima, Katsuhiko Matsuura, Tomohisa Okochi, Keisuke Tanno, Osamu Tanaka
PURPOSE: To evaluate the efficacy and safety of ultrasound (US)-guided axillary brachial plexus block (ABPB) for analgesia during percutaneous transluminal angioplasty (PTA) for dialysis access. SUBJECTS AND METHODS: Twenty-one patients who underwent PTA for stenotic dialysis access shunts and who had previous experience of PTA without sedation, analgesia, and anesthesia were included. The access type in all patients was native arteriovenous fistulae in the forearm...
October 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27377467/secondary-hyperalgesia-is-mediated-by-heat-insensitive-a-fibre-nociceptors
#17
Emanuel N van den Broeke, Cédric Lenoir, André Mouraux
KEY POINTS: It is believed that secondary hyperalgesia (the increased sensitivity to mechanical nociceptive stimuli that develops after cutaneous tissue injury in the surrounding uninjured skin) is mediated by a subclass of nociceptors: the slowly adapting A-fibre mechano-heat nociceptors (AMH-type I). Here we tested this hypothesis. By using intense long-lasting heat stimuli, which are known to activate these slowly adapting AMH-type I nociceptors, we show that the perceived intensity elicited by these stimuli is not increased in the area of secondary hyperalgesia...
November 15, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27353456/general-anaesthesia-vs-conscious-sedation-for-transfemoral-aortic-valve-implantation-a-single-uk-centre-before-and-after-study
#18
L F Miles, K R Joshi, E H Ogilvie, C G Densem, A A Klein, M O'Sullivan, G Martinez, C D Sudarshan, Y Abu-Omar, J F Irons
Reported data suggest that 99% of transfemoral, transcatheter aortic valve implantations in the UK are performed under general anaesthesia. This before-and-after study is the first UK comparison of conscious sedation vs. general anaesthesia for this procedure. Patients who underwent general anaesthesia received tracheal intubation, positive pressure ventilation, radial arterial and central venous access and urinary catheterisation. Anaesthesia was maintained with propofol or sevoflurane. Patients who received conscious sedation had a fascia iliaca and ilioinguinal nerve block and low-dose remifentanil infusion, without invasive monitoring or urinary catheterisation...
August 2016: Anaesthesia
https://www.readbyqxmd.com/read/27263529/cold-evoked-potentials-ready-for-clinical-use
#19
P Hüllemann, A Nerdal, A Binder, S Helfert, M Reimer, R Baron
BACKGROUND: Cold-evoked potentials (CEPs) are known to assess the integrity of A-delta fibres and the spinothalamic tract. Nevertheless, the clinical value was not investigated previously. The aim of this study was to measure CEPs in 16 healthy subjects from the face, hand and foot sole and to investigate whether CEPs reliably detect A-delta fibre abnormalities. METHODS: Swift cold stimuli were applied to the skin with a commercially available thermode, which cooled down from 30 to 25 °C in approximately 0...
June 5, 2016: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/27220118/complications-of-distal-radius-fractures-treated-by-volar-locking-plate-fixation
#20
MULTICENTER STUDY
Hiroshi Satake, Naomi Hanaka, Ryusuke Honma, Tadayoshi Watanabe, Shigeru Inoue, Yumiko Kanauchi, Yoshihiro Kato, Taku Nakajima, Daisuke Sato, Jun Eto, Masahiro Maruyama, Yasushi Naganuma, Junya Sasaki, Shuji Toyono, Mikio Harada, Daisuke Ishigaki, Masatoshi Takahara, Michiaki Takagi
The current study investigated the incidence of complications after surgery for distal radial fractures. This multicenter retrospective study was conducted at 11 institutions. A total of 824 patients who had distal radius fractures that were treated surgically between January 2010 and August 2012 were identified. The study patients were older than 18 years and were observed for at least 12 weeks after surgery for distal radius fractures with a volar locking plate. Sex, age, fracture type according to AO classification, implants, wrist range of motion, grip strength, fracture consolidation rate, and complications were studied...
September 1, 2016: Orthopedics
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