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Brachial Plexus block

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https://www.readbyqxmd.com/read/27909590/location-of-needle-tips-on-plexus-brachialis-in-different-supraclavicular-block-techniques-a-cadaver-study
#1
Senem Akpınar, Halil İbrahim Açar, Ayhan Cömert, Bülent Şam, Alaittin Elhan
OBJECTIVE: The present study was performed on cadavers to evaluate the efficacy of the different supraclavicular block techniques (Vongvises, Dalens, plumb-bob and inter-SCM) by investigating the location of the needle tip on the brachial plexus and to determine the most suitable block techniques according to the site of the surgery. METHODS: The study was performed on one embalmed and nine fresh cadavers. After the dissection, the skin of the cadavers was restored in its original position...
August 2016: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/27894852/effect-of-warming-bupivacaine-0-5-on-ultrasound-guided-axillary-plexus-block-randomized-prospective-double-blind-study
#2
WalidTrabelsi, Abdelkader Ben Gabsia, Anis Lebbi, Walid Sammoud, Iheb Labbène, Slim Kchelfi, Mustapha Ferjani
OBJECTIVE: To evaluate the effect of warming bupivacaine 0.5% on ultrasound-guided axillary brachial plexus block. STUDY DESIGN: Prospective, randomized, double-blind. PATIENTS AND METHODS: Eighty patients undergoing elective or emergency surgery beyond the distal third of the upper limb were divided into two groups of 40 patients: the Warm group received 15ml bupivacaine 0.5 % heated to 37°C; the Cold group received 15ml 0.5% bupivacaine stored for at least 24hours in the lower compartment of a refrigerator at 13-15°C...
November 25, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27833488/vibration-sensation-as-an-indicator-of-surgical-anesthesia-following-brachial-plexus-block
#3
Seema Jindal, Gurkaran Kaur Sidhu, Dinesh Sood, Anju Grewal
BACKGROUND: Local anesthetic instillation in close vicinity to nerves anywhere in body blocks sensations in the same order as in central neuraxial blockade. The main purpose of this study was to evaluate the efficacy of vibration sense as criteria to determine the onset of surgical anesthesia following brachial plexus block and its correlation with loss of sensory and motor power. MATERIALS AND METHODS: This prospective study included fifty patients of American Society of Anaesthesiologist physical status I and II, aged between 18 and 45 years, undergoing elective upper limb surgery under brachial plexus block by supraclavicular approach...
October 2016: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/27828793/comparison-of-supraclavicular-and-infraclavicular-brachial-plexus-block-a-systemic-review-of-randomized-controlled-trials
#4
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...
November 8, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27827526/the-efficacy-of-pediatric-ultrasound-guided-brachial-plexus-block-anesthesia-and-determination-of-optimal-anesthetic-drug-dosage
#5
Chuanguo Xu, Bing Wang, Aijun Yang, Zhiquan Xie, Chunxue Liu, Xiuwei Lang, Guanglei Wang
BACKGROUND: The objective of the present study was to investigate the effect of pediatric ultrasound guided brachial plexus block anesthesia and to determine the optimal anesthetic drug dosage. METHODS: Ninety-seven children who required elective upper limb surgery were randomly divided into three groups: Group A with 32 cases, Group B with 35 cases and Group C with 30 cases. All three groups of patients underwent ultrasound guided brachial plexus block anesthesia...
November 9, 2016: Minerva Pediatrica
https://www.readbyqxmd.com/read/27813034/-horner-syndrome-following-combined-spinal-epidural-anesthesia
#6
Ömer Karaca, Sezen Kumaş Solak, Serdar Demirgan, Mehmet Bademci
Horner syndrome is rarely observed in connection with epidural anesthesia. It is characterized by ptosis, enophthalmos, miosis, anisocoria, and conjunctival hyperemia in the affected eye, as well as anhydrosis and flushing on the affected side of the face. It is usually a complication spontaneously resolved without permanent neurological deficits. Intraoral anesthesia; stellate ganglion, cervical or brachial plexus blocks; thoracic, lumbar or caudal epidural anesthesia, and intrapleural analgesia are the main causes for Horner syndrome related to anesthesia...
July 2016: Aǧrı: Ağrı (Algoloji) Derneği'nin Yayın Organıdır, the Journal of the Turkish Society of Algology
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
#7
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...
October 27, 2016: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/27790416/accessory-upper-subscapular-nerve-the-neurotisation-tool
#8
Vishwajit Ravindra Deshmukh, Rabindra Prasad Mandal, Harisha Kusuma, Neerja Rani
During the routine dissection classes for undergraduate students, uncommon variation in relation to the upper subscapular nerve of posterior cord of brachial plexus was observed. Normally upper subscapular nerve takes origin from the posterior cord, but in this case report, it arises in triplet fashion, just above the circumflex scapular artery. All these accessory nerves were supplying upper part of the subscapularis muscle. As per our knowledge, this is a rare variation of brachial plexus. Many variations are encountered in the formation of brachial plexus...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27788289/brachial-plexus-in-the-pampas-fox-lycalopex-gymnocercus-a-descriptive-and-comparative-analysis
#9
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...
October 27, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27761415/preemptive-oral-clonidine-provides-better-sedation-than-intravenous-midazolam-in-brachial-plexus-nerve-blocks
#10
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
https://www.readbyqxmd.com/read/27755295/response-the-use-of-ultrasound-guided-brachial-plexus-blocks-in-providing-effective-anaesthesia-in-patients-undergoing-hand-surgery
#11
Jennifer F Waljee
No abstract text is available yet for this article.
October 10, 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27746525/dexmedetomidine-as-an-adjuvant-to-levobupivacaine-in-supraclavicular-brachial-plexus-block-a-novel-anesthetic-approach
#12
Arvinder Pal Singh, Malika Mahindra, Ruchi Gupta, Sukhminder Jit Singh Bajwa
AIMS AND OBJECTIVES: Supplementation of dexmedetomidine produces a dose-dependent sedation, anxiolysis and analgesia without respiratory depression. This study was conducted to evaluate the possible effect of dexmedetomidine as an adjuvant to levobupivacaine for supraclavicular brachial plexus block in upper limb surgery. SETTINGS AND DESIGN: Tertiary care institute, Department of Anaesthesiology and Intensive Care, a placebo-controlled study. MATERIALS AND METHODS: After obtaining Ethical Committee approval, a randomized, double-blind, placebo-controlled study was conducted on sixty American Society of Anesthesiologists physical status I and II patients in the age group of 18-60 years, divided randomly into two groups, Group I received 30 ml of 0...
September 2016: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/27716229/particulate-steroid-betamethasone-added-to-ropivacaine-in-interscalene-brachial-plexus-block-for-arthroscopic-rotator-cuff-repair-improves-postoperative-analgesia
#13
Kunitaro Watanabe, Joho Tokumine, Tomoko Yorozu, Kumi Moriyama, Hideaki Sakamoto, Tetsuo Inoue
BACKGROUND: Dexamethasone added to local anesthetic for brachial plexus block improves postoperative pain after arthroscopic rotator cuff repair, as compared with the use of local anesthetic alone. Dexamethasone is present in non-particulate form in local anesthetic solution, while betamethasone is partially present in particulate form. The particulate betamethasone gradually decays and is expected to cause its longer-lasting effect. This study investigated the postoperative analgesic effect of betamethasone added to ropivacaine for brachial plexus block in patients who underwent arthroscopic rotator cuff repair...
October 4, 2016: BMC Anesthesiology
https://www.readbyqxmd.com/read/27716157/effects-of-a-fixed-low-dose-ropivacaine-with-different-volume-and-concentrations-on-interscalene-brachial-plexus-block-a-randomized-controlled-trial
#14
Wenwen Zhai, Xuedong Wang, Yulan Rong, Min Li, Hong Wang
BACKGROUND: Ultrasound guidance has reduced the amount of local anesthetics to achieve a successful block. Previous studies of the relationship between the volume or concentration of local anesthetics and the effects of the block were based on relatively high doses of local anesthetics. We tested the hypothesis that providing low dose of ropivacaine at three combinations of volumes and concentrations for ultrasound-guided interscalene brachial plexus block would produce different effects in the aspect of onset time, pain control and the incidence of side effects...
September 30, 2016: BMC Anesthesiology
https://www.readbyqxmd.com/read/27685348/determining-the-learning-curve-for-acquiring-core-sonographic-skills-for-ultrasound-guided-axillary-brachial-plexus-block
#15
Michael J Barrington, Laura P Viero, Roman Kluger, Alexander L Clarke, Jason J Ivanusic, Daniel M Wong
BACKGROUND AND OBJECTIVES: The objectives of this study were to determine the learning curve for capturing sonograms and identifying anatomical structures relevant to ultrasound-guided axillary brachial plexus block and to determine if massed was superior to distributed practice for this core sonographic skill. METHODS: Ten University of Melbourne, third- or fourth-year Doctor of Medicine students were randomized to massed or distributed practice. Participants performed 15 supervised learning sessions comprising scanning followed by feedback...
September 28, 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27685347/a-randomized-controlled-trial-of-ultrasound-versus-nerve-stimulator-guidance-for-axillary-brachial-plexus-block
#16
Michael J Barrington, Samuel R Gledhill, Roman Kluger, Alexander L Clarke, Daniel M Wong, Henry Davidson, Rowan Thomas
BACKGROUND: Ultrasound-guided techniques improve outcomes in regional anesthesia when compared with traditional techniques; however, this assertion has not been studied with novices. The primary objective of this study was to compare sensory and motor block after axillary brachial plexus block when performed by novice trainees allocated to an ultrasound- or nerve-stimulator-guided group. A secondary objective was to compare the rates of skill acquisition between the 2 groups. METHODS: This study was a prospective, randomized, observer-blinded, 2-arm controlled trial...
September 28, 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27663451/a-randomized-comparison-between-intravenous-and-perineural-dexamethasone-for-ultrasound-guided-axillary-block
#17
Julian Aliste, Prangmalee Leurcharusmee, Phatthanaphol Engsusophon, Aida Gordon, Giuliano Michelagnoli, Chonticha Sriparkdee, Worakamol Tiyaprasertkul, Dana Q Tran, Tom C R V Van Zundert, Roderick J Finlayson, De Q H Tran
BACKGROUND: This randomized double-blinded trial compared the effect of intravenous and perineural dexamethasone (8 mg) on the duration of motor block for ultrasound (US)-guided axillary brachial plexus block (AXB). METHODS: Patients undergoing upper limb surgery with US-guided AXB were randomly allocated to receive preservative-free dexamethasone (8 mg) via intravenous (n = 75) or perineural (n = 75) administration. The local anesthetic agent, 1% lidocaine -0...
September 23, 2016: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/27634361/construct-validity-of-a-novel-assessment-tool-for-ultrasound-guided-axillary-brachial-plexus-block
#18
O M A Ahmed, B D O'Donnell, A G Gallagher, D S Breslin, C M Nix, G D Shorten
The purpose of this study was to examine the construct validity and reliability of a novel metrics-based assessment tool, previously developed for ultrasound-guided axillary brachial plexus block. Five expert and eight novice anaesthetists performed a total of 18 ultrasound-guided axillary brachial plexus blocks on the same number of patients. A trained investigator video-taped procedures according to a pre-defined protocol. Two trained consultant anaesthetists independently scored the videos using the assessment tool...
November 2016: Anaesthesia
https://www.readbyqxmd.com/read/27631270/a-prospective-randomized-and-controlled-study-of-interscalene-brachial-plexus-block-for-arthroscopic-shoulder-surgery-a-comparison-of-c5-and-conventional-approach-a-consort-compliant-article
#19
Hyun-Jung Shin, Hyo-Seok Na, Ah-Young Oh, Jung-Won Hwang, Byung-Gun Kim, Hee-Pyoung Park, Young-Tae Jeon, Seong-Won Min, Jung-Hee Ryu
BACKGROUND: The shoulder area is mainly innervated with the C5 and C6 nerve roots, and interscalene brachial plexus block (ISB) is widely used for postoperative analgesia after shoulder surgery. However, it is associated with adverse effects, such as numbness and weakness in the blocked arm due to an unwanted block of the lower brachial plexus (C7-T1). We hypothesized that the C5 approach during ISB would provide postoperative analgesia while minimizing adverse events after arthroscopic shoulder surgery...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27625483/a-comparative-study-of-clonidine-and-dexmedetomidine-as-an-adjunct-to-bupivacaine-in-supraclavicular-brachial-plexus-block
#20
Archana Tripathi, Khushboo Sharma, Mukesh Somvanshi, Rajib Lochan Samal
BACKGROUND AND AIMS: Various additives are mixed with local anesthetic agents to increase the quality of block in regional anesthesia. We compared clonidine and dexmedetomidine as an adjunct to bupivacaine in supraclavicular brachial plexus block with respect to the onset and duration of sensory and motor block and duration of analgesia. MATERIAL AND METHODS: Sixty American Society of Anesthesiologists Grades I and II patients scheduled for various orthopedic surgeries of the upper limb under supraclavicular brachial plexus block were divided into two equal groups in a randomized, double-blind manner...
July 2016: Journal of Anaesthesiology, Clinical Pharmacology
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