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https://www.readbyqxmd.com/read/28820803/perioperative-breast-analgesia-a-qualitative-review-of-anatomy-and-regional-techniques
#1
Glenn E Woodworth, Ryan M J Ivie, Sylvia M Nelson, Cameron M Walker, Robert B Maniker
Breast surgery is exceedingly common and may result in significant acute as well as chronic pain. Numerous options exist for the control of perioperative breast pain, including several newly described regional anesthesia techniques, but anesthesiologists have an insufficient understanding of the anatomy of the breast, the anatomic structures disrupted by the various breast surgeries, and the theoretical and experimental evidence supporting the use of the various analgesic options. In this article, we review the anatomy of the breast, common breast surgeries and their potential anatomic sources of pain, and analgesic techniques for managing perioperative pain...
September 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28815595/sigma-1-receptor-ligands-inhibit-catecholamine-secretion-from-adrenal-chromaffin-cells-due-to-block-of-nicotinic-acetylcholine-receptors
#2
Rebecca L Brindley, Mary Beth Bauer, Nolan D Hartley, Kyle J Horning, Kevin P M Currie
Adrenal chromaffin cells (ACCs) are the neuroendocrine arm of the sympathetic nervous system and key mediators of the physiological stress response. Acetylcholine (ACh) released from preganglionic splanchnic nerves activates nicotinic acetylcholine receptors (nAChRs) on chromaffin cells causing membrane depolarization, opening voltage-gated Ca(2+) channels (VGCC), and exocytosis of catecholamines and neuropeptides. The serotonin transporter (SERT) is expressed in ACCs and interacts with 5-HT1A receptors to control secretion...
August 16, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28814877/mechanism-and-therapeutic-effectiveness-of-nerve-growth-factor-in-osteoarthritis-pain
#3
REVIEW
Xiushuai Shang, Zhaofei Wang, Hairong Tao
Osteoarthritis (OA) is the most common form of articular joint arthritis and a cause of significant morbidity. In this review, we present the role of nerve growth factor (NGF) in pain generation, relationship between NGF and OA pain, and pathogenic factors (interleukin-1β, transforming growth factor-β1, mechanical loading, and adipokines) involved in OA development. Since NGF blocking is an efficient way to inhibit OA-associated pain, we summarize four categories of drugs that target NGF/tropomyosin receptor kinase A (TrkA) signaling...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28814320/intrathecal-morphine-versus-femoral-nerve-block-for-pain-control-after-total-knee-arthroplasty-a-meta-analysis
#4
Yi Tang, Xu Tang, Qinghua Wei, Hui Zhang
BACKGROUND: This meta-analysis aims to illustrate the efficacy and safety of intrathecal morphine (ITM) versus femoral nerve block (FNB) for pain control after total knee arthroplasty (TKA). METHODS: In April 2017, a systematic computer-based search was conducted in PubMed, EMBASE, Web of Science, Cochrane Database of Systematic Reviews, Cami Info. Inc., Casalini databases, EBSCO databases, Verlag database and Google database. Data on patients prepared for TKA surgery in studies that compared ITM versus FNB for pain control after TKA were collected...
August 16, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28814263/acute-pain-management-in-hospitalized-children
#5
Ria Dancel, Edmund Allen Liles, Darren Fiore
BACKGROUND: Acute pain in hospitalized pediatric patients is prevalent. Recent shifts in the paradigm of pediatric acute pain management focus less on reliance on opioids, due to their adverse side effects and risk of dependence, and more on multimodal pain management. OBJECTIVE: We sought to review the most recent studies on acute pain management in hospitalized pediatric patients. METHODS: We searched the Cochrane Database and PubMed for articles published in the past five years regarding the treatment of acute pain in pediatric patients focusing on large randomized or quasi-randomized control trials, cohort trials, and meta-analyses...
August 16, 2017: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/28811009/the-feasibility-of-sugammadex-for-general-anesthesia-and-facial-nerve-monitoring-in-patients-undergoing-parotid-surgery
#6
I-Cheng Lu, Pi-Ying Chang, Miao-Pei Su, Po-Nien Chen, Hsiu-Ya Chen, Feng-Yu Chiang, Che-Wei Wu
The use of neuromuscular blocking agent (NMBA) during anesthesia may interfere with facial nerve monitoring (FNM) during parotid surgery. Sugammadex has been reported to be an effective and safe reversal of rocuronium-induced neuromuscular block (NMB) during surgery. This study investigated the feasibility and clinical effectiveness of sugammadex for NMB reversal during FNM in Parotid surgery. Fifty patients undergoing parotid surgery were randomized allocated into conventional anesthesia group (Group C, n = 25) and sugammadex group (Group S, n = 25)...
August 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28809704/kilohertz-electrical-stimulation-nerve-conduction-block-effects-of-electrode-material
#7
Yogi A Patel, Brian S Kim, Robert J Butera
Kilohertz electrical stimulation (KES) has enabled a novel new paradigm for spinal cord and peripheral nerve stimulation to treat a variety of neurological diseases. KES can excite or inhibit nerve activity and is used in many clinical devices today. However, the impact of different electrode materials on the efficacy of KES is unknown. We investigated the effect of different electrode materials and their respective charge injection mechanisms on KES nerve block thresholds using 20 and 40 kHz current-controlled sinusoidal KES waveforms...
August 10, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28808450/the-efficacy-of-buccal-infiltration-of-4-articaine-and-psa-injection-of-2-lidocaine-on-anesthesia-of-maxillary-second-molars
#8
Ensiyeh Maljaei, Maryam Pourkazemi, Milad Ghanizadeh, Rana Ranjbar
INTRODUCTION: During the early mixed dentition period, the location of the deciduous maxillary second molar results in ineffectiveness of the infiltration technique in this area. In such cases, administration of posterior superior alveolar (PSA) nerve block is recommended; however, such a technique has some complications. The present study was undertaken to compare the effects of buccal infiltration of 4% Articaine and PSA technique with 2% Lidocaine on the success of anesthesia of maxillary deciduous second molars in 6 to 9-year old children...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28806384/transient-amaurosis-and-diplopia-after-inferior-alveolar-nerve-block
#9
Onur Odabaşi, Onur Şahin, Mehmet Emrah Polat
A 40-year-old female patient was admitted to the authors' oral and maxillofacial clinic for removal of her lower left second molar under local anesthesia. The patient's medical history revealed that she had cardiac arhythmia and hypertension. Inferior alveolar nerve block was achieved using 2 mL of sefacaine (%3 mepivacaine HCL, without epinephrine). The patient complained of loss of vision in her left eye. All procedures were stopped immediately. Within 2 minutes the patient reported diplopia. All of the symptoms disappeared about 5 minutes after initial observation...
August 10, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28806223/modified-cotton-swab-applicator-for-nasal-sphenopalatine-ganglion-nerve-block
#10
Taras Grosh, Diana Ayubcha
No abstract text is available yet for this article.
August 14, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28806216/psoas-versus-femoral-blocks-a-registry-analysis-of-risks-and-benefits
#11
Hagen Bomberg, Andrea Huth, Stefan Wagenpfeil, Paul Kessler, Hinnerk Wulf, Thomas Standl, André Gottschalk, Jens Döffert, Werner Hering, Jürgen Birnbaum, Claudia Spies, Bernd Kutter, Jörg Winckelmann, Gerald Burgard, Oliver Vicent, Thea Koch, Daniel I Sessler, Thomas Volk, Alexander Raddatz
BACKGROUND AND OBJECTIVES: Psoas blocks are an alternative to femoral nerve blocks and have the potential advantage of blocking the entire lumbar plexus. However, the psoas muscle is located deeply, making psoas blocks more difficult than femoral blocks. In contrast, while femoral blocks are generally easy to perform, the inguinal region is prone to infection. We thus tested the hypothesis that psoas blocks are associated with more insertion-related complications than femoral blocks but have fewer catheter-related infections...
August 11, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28800362/nucleotide-transmitters-atp-and-adp-mediate-intercellular-calcium-wave-communication-via-p2y12-13-receptors-among-bv-2-microglia
#12
Pengchong Jiang, Fulin Xing, Bu Guo, Jianyu Yang, Zheming Li, Wei Wei, Fen Hu, Imshik Lee, Xinzheng Zhang, Leiting Pan, Jingjun Xu
Nerve injury is accompanied by a liberation of diverse nucleotides, some of which act as 'find/eat-me' signals in mediating neuron-glial interplay. Intercellular Ca2+ wave (ICW) communication is the main approach by which glial cells interact and coordinate with each other to execute immune defense. However, the detailed mechanisms on how these nucleotides participate in ICW communication remain largely unclear. In the present work, we employed a mechanical stimulus to an individual BV-2 microglia to simulate localized injury...
2017: PloS One
https://www.readbyqxmd.com/read/28800217/engineering-antibody-reactivity-for-efficient-derivatization-to-generate-nav1-7-inhibitory-gptx-1-peptide-antibody-conjugates
#13
Kaustav Biswas, Thomas E Nixey, Justin K Murray, James R Falsey, Li Yin, Hantao Liu, Jacinthe Gingras, Brian E Hall, Brad Herberich, Jerry Ryan Holder, Hongyan Li, Joseph Ligutti, Min-Hwa Jasmine Lin, Dong Liu, Brian D Soriano, Marcus Soto, Linh Tran, Christopher M Tegley, Anrou Zou, Kannan Gunasekaran, Bryan D Moyer, Liz Doherty, Les P Miranda
The voltage-gated sodium channel NaV1.7 is a genetically-validated pain target under investigation for the development of analgesics. A therapeutic with a less frequent dosing regimen would be of value for treating chronic pain, however functional NaV1.7 targeting antibodies are not known. In this report we describe NaV1.7 inhibitory peptide-antibody conjugates as an alternate construct for potential prolonged channel blockade through chemical derivatization of engineered antibodies. We previously identified NaV1...
August 11, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28799964/the-effect-of-adductor-canal-block-on-knee-extensor-muscle-strength-6-weeks-after-total-knee-arthroplasty-a-randomized-controlled-trial
#14
Nicolas Rousseau-Saine, Stephan R Williams, François Girard, Luc J Hébert, Florian Robin, Luc Duchesne, Frédéric Lavoie, Monique Ruel
BACKGROUND: Total knee arthroplasty (TKA) reduces knee extensor muscle strength (KES) in the operated limb for several months after the surgery. Immediately after TKA, compared to either inguinal femoral nerve block or placebo, adductor canal block (ACB) better preserves KES. Whether this short-term increase in KES is maintained several weeks after surgery remains unknown. We hypothesized that 48 hours of continuous ACB immediately after TKA would improve KES 6 weeks after TKA, compared to placebo...
August 9, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28798922/practical-approach-to-the-patient-with-acute-neuromuscular-weakness
#15
REVIEW
Rajeev Nayak
Acute neuromuscular paralysis (ANMP) is a clinical syndrome characterized by rapid onset muscle weakness progressing to maximum severity within several days to weeks (less than 4 wk). Bulbar and respiratory muscle weakness may or may not be present. It is a common neurological emergency which requires immediate and careful investigations to determine the etiology because accurate diagnosis has significant impact on therapy and prognosis. Respiratory failure caused by neuromuscular weakness is considered as more critical than lung disease because its development may be insidious or subtle until sudden decompensation leads to life threatening hypoxia...
July 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28797499/dorsal-scapular-and-long-thoracic-nerves-during-ultrasound-guided-interscalene-brachial-plexus-block
#16
Hyungtae Kim
No abstract text is available yet for this article.
March 2017: Asian J Anesthesiol
https://www.readbyqxmd.com/read/28796131/beyond-ultrasound-guidance-for-regional-anesthesiology
#17
De Q Tran, André P Boezaart, Joseph M Neal
Despite its popularity, ultrasound (US)-guided regional anesthesiology is associated with significant limitations. The latter can be attributed to either the US machine (ie, decreased ability to insonate deep neural structures, as well as the thoracic spine) or the operator. Shortcomings associated with the operator can be explained by errors in perception (ie, ambiguous criteria for needle/catheter tip-to-nerve proximity and subparaneural local anesthetic injection) or interpretation. Perhaps the greatest confusion afflicting US-guided regional anesthesiology originates from an intellectual misconception pertaining to its application...
September 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28795964/neuromuscular-monitoring-in-the-perioperative-period
#18
Glenn S Murphy
Neuromuscular monitoring devices were introduced into clinical practice in the 1970s. Qualitative neuromuscular monitors, or peripheral nerve stimulators, provide an electrical stimulus to a motor nerve and the response of corresponding muscle subjectively evaluated. A standard peripheral nerve stimulator provides several patterns of nerve stimulation, including train-of-four (TOF), double-burst, tetanic, and post-tetanic count. Qualitative (and quantitative) monitors are needed to determine onset of neuromuscular blockade, maintain the required depth of muscle relaxation during the surgical procedure, and assess an appropriate dose of reversal agent...
August 8, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28795197/ultrasound-guided-interscalene-brachial-plexus-block-in-a%C3%A2-child-with-acute-upper-respiratory-infection-a%C3%A2-case-report
#19
T Ergönenç, H Can, S Gökhan Beyaz
The brachial plexus is commonly blocked at the interscalene level for shoulder and proximal humeral surgery. There are only a few publications about the interscalene technique in pediatric patients for a peripheral nerve block. Ultrasound-guided peripheral nerve block has become increasingly more popular for pediatric patients because of high success rates and safety concerns. We used ultrasound-guided interscalene brachial plexus block in an 18-month-old child with an acute upper respiratory infection who had a supracondylar fracture of the humerus...
August 9, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28794655/p2y12-and-p2y13-receptors-involved-in-adp%C3%AE-s-induced-the-release-of-il-1%C3%AE-il-6-and-tnf-%C3%AE-from-cultured-dorsal-horn-microglia
#20
Pei-Wen Liu, Ming-Xia Yue, Rui Zhou, Juan Niu, Du-Juan Huang, Tao Xu, Pei Luo, Xiao-Hong Liu, Jun-Wei Zeng
OBJECTIVE: P2 receptors have been implicated in the release of neurotransmitter and pro-inflammatory cytokines due to their response to neuroexcitatory substances in the microglia. Dorsal horn P2Y12 and P2Y13 receptors are involved in the development of pain behavior induced by peripheral nerve injury. However, it is not known whether P2Y12 and P2Y13 receptors activation is associated with the expression and the release of interleukin-1B (IL-1β), interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α) in cultured dorsal spinal cord microglia...
2017: Journal of Pain Research
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