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Anesthetic nerve injury

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https://www.readbyqxmd.com/read/27924199/in-plane-three-step-needle-insertion-technique-for-ultrasound-guided-continuous-femoral-nerve-block-after-total-knee-arthroplasty-a-retrospective-review-of-488-cases
#1
Hyeon Ju Shin, Jung Sub Soh, Hyong Hwan Lim, Bumjoon Joo, Hye Won Lee, Hae Ja Lim
BACKGROUND: Continuous femoral nerve block (CFNB) improves postoperative analgesia after total knee arthroplasty (TKA). The aim of this study was to investigate the clinical efficacy and complications of our in-plane three-step needle insertion technique that was devised to reduce the risk of direct femoral nerve injury during CFNB in anesthetized patients. METHODS: This retrospective study included 488 patients who had undergone TKA. Ultrasound (US)-guided CFNB was performed under general or spinal anesthesia using an in-plane, three-step needle insertion technique...
December 2016: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/27871591/continuous-intra-articular-local-anesthetic-drug-instillation-versus-discontinuous-sciatic-nerve-block-after-total-knee-arthroplasty
#2
Johannes Cip, Hedwig Erb-Linzmeier, Peter Stadlbauer, Christian Bach, Arno Martin, Reinhard Germann
STUDY OBJECTIVE: Sciatic nerve block (SNB) is commonly used as adjunct to femoralis nerve block (FNB) to achieve high-quality pain relief after total knee arthroplasty (TKA). However, this combination is associated with considerable muscle weakness, foot drop and surgically related nerve injuries may be masked. The purpose of this study was to assess whether low risk continuous intra-articular anesthetic drug instillation is an adequate alternative to SNB when adding to FNB after TKA...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27803817/ultrasound-guided-femoral-and-sciatic-nerve-blocks-for-repair-of-tibia-and-fibula-fractures-in-a-bennett-s-wallaby-macropus-rufogriseus
#3
Paolo Monticelli, Luis Campoy, Chiara Adami
Locoregional anesthetic techniques may be a very useful tool for the anesthetic management of wallabies with injuries of the pelvic limbs and may help to prevent capture myopathies resulting from stress and systemic opioids' administration. This report describes the use of ultrasound-guided femoral and sciatic nerve blocks in Bennett's wallaby (Macropus rufogriseus) referred for orthopaedic surgery. Ultrasound-guided femoral and sciatic nerve blocks were attempted at the femoral triangle and proximal thigh level, respectively...
2016: Case Reports in Anesthesiology
https://www.readbyqxmd.com/read/27778324/intraneural-injection-of-a-test-dose-of-local-anesthetic-in-peripheral-nerves-does-it-induce-histological-changes-in-nerve-tissue
#4
T Wiesmann, T Steinfeldt, M Exner, W Nimphius, J De Andres, H Wulf, U Schwemmer
BACKGROUND & OBJECTIVES: Most anesthesiologists use the injection of a test dose of local anesthetic in order to evaluate the final needle tip position. Thus, the intraneural injection of a full dose can be avoided. The aim of this study was to analyze whether an intraneural injection of a test dose of bupivacaine could trigger histological changes. METHODS: Intraneural injections under direct vision were performed in 40 brachial plexus nerves in seven anesthetized pigs...
October 25, 2016: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/27753708/perioperative-nerve-injury-after-peripheral-nerve-block-in-patients-with-previous-systemic-chemotherapy
#5
Arnoley S Abcejo, Hans P Sviggum, Michelle L Mauermann, James R Hebl, Carlos B Mantilla, Andrew C Hanson, Yi Lin, Adam K Jacob
BACKGROUND AND OBJECTIVES: There are multiple risk factors for developing perioperative nerve injury (PNI). Perioperative nerve injury after peripheral nerve blockade (PNB) is rare. Exposure to systemic chemotherapy may cause peripheral neuropathy, but its role as a risk factor for PNI after PNB is unknown. The objective of this retrospective study was to determine the incidence of PNI in patients undergoing PNB as part of extremity surgery after prior exposure to systemic chemotherapy...
November 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27737808/in-vivo-voltage-sensitive-dye-imaging-of-the-insular-cortex-in-nerve-injured-rats
#6
Jeongsoo Han, Myeounghoon Cha, Minjee Kwon, Seong-Karp Hong, Sun Joon Bai, Bae Hwan Lee
The insular cortex (IC) is a pain-related brain region that receives various types of sensory input and processes the emotional aspects of pain. The present study was conducted to investigate spatiotemporal patterns related to neuroplastic changes in the IC after nerve injury using voltage-sensitive dye imaging. The tibial and sural nerves of rats were injured under pentobarbital anesthesia. To observe optical signals in the IC, rats were re-anesthetized with urethane 7days after injury, and a craniectomy was performed to allow for optical imaging...
October 11, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27716217/ultrasound-guided-gastrocnemius-recession-a-new-ultra-minimally-invasive-surgical-technique
#7
Manuel Villanueva, Álvaro Iborra, Guillermo Rodríguez, Pablo Sanz-Ruiz
BACKGROUND: Isolated gastrocnemius contracture is thought to lead to numerous conditions. Although many techniques have been described for gastrocnemius recession, potential anesthetic, cosmetic, and wound-related complications can lead to patient dissatisfaction. Open and endoscopic recession techniques require epidural anesthesia, lower limb ischemia, and stitches and may lead to damage of the sural nerve, which is not under the complete control of the surgeon at all stages of the procedure...
October 3, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27650364/comparison-of-histopathological-effects-of-perineural-administration-of-bupivacaine-and-bupivacaine-dexmedetomidine-in-rat-sciatic-nerve
#8
Elham Memari, Mohammad-Ali Hosseinian, Ali Mirkheshti, Ali Arhami-Dolatabadi, Mojtaba Mirabotalebi, Mohsen Khandaghy, Yahya Daneshbod, Leila Alizadeh, Sadegh Shirian
Injection of a variety of drugs such as local anesthetics (LAs) for peripheral nerve block has been shown to cause damage to peripheral nerves. Bupivacaine is a local anesthetic widely used in surgical procedures. The aim of this study was to evaluate the neurotoxicity of LAs including Bupivacaine and dexmedetomidine (DEX)-Bupivacaine on sciatic nerve tissue at histopathological level. In addition, we investigated whether perineural administration of DEX can attenuate Bupivacaine-induced neurotoxicity. Twenty adult Sprague Dawley rats received unilateral sciatic nerve blocks with either 0...
September 17, 2016: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/27600929/selenium-ameliorate-peripheral-nerve-ischemic-reperfusion-injury-via-decreased-tnf-%C3%AE
#9
Abolfazl Zendedel, Zahra Gharibi, Khatereh Anbari, Abolfazl Abbaszadeh, Zahra Khanipour Khayat, Reza Mohammadrezaei Khorramabadi, Maryam Soleymaninejad, Mohammadreza Gholami
Selenium is considered as a trace element that plays antioxidant role in the body. So, the aim of this study was to evaluate the effect of selenium on ameliorating of sciatic nerve ischemia-reperfusion injury. Eighty (80) adult male Wistar rats weighing 250-300 g were used. They were divided into 10 groups (n = 8). Then, femoral vessels were obstructed by using 4/0 silk and splitknot techniques. After 3-h ischemia for all the groups, reperfusion was applied for different periods: 3, 7, 14, and 28 days. In half of each experimental group, 0...
September 6, 2016: Biological Trace Element Research
https://www.readbyqxmd.com/read/27560643/traction-injury-of-the-brachial-plexus-confused-with-nerve-injury-due-to-interscalene-brachial-block-a-case-report
#10
Francisco Ferrero-Manzanal, Raquel Lax-Pérez, Roberto López-Bernabé, José Ramiro Betancourt-Bastidas, Alvaro Iñiguez de Onzoño-Pérez
INTRODUCTION: Shoulder surgery is often performed with the patient in the so called "beach-chair position" with elevation of the upper part of the body. The anesthetic procedure can be general anesthesia and/or regional block, usually interscalenic brachial plexus block. We present a case of brachial plexus palsy with a possible mechanism of traction based on the electromyographic and clinical findings, although a possible contribution of nerve block cannot be excluded. PRESENTATION OF THE CASE: We present a case of a 62 year-old female, that suffered from shoulder fracture-dislocation...
2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27501615/incidence-of-delayed-recovery-from-femoral-nerve-block-in-total-knee-arthroplasty
#11
Thitima Chinachoti, Wattanan Makarasara
OBJECTIVE: Femoral nerve block has been proven as an effective analgesia for total knee arthroplasty (TKA). Delayed recovery from nerve block can result in serious complication during postoperative period. This prospective, single-center, observational study investigated the incidence in delayed recovery from femoral nerve block more than 24 hours postoperatively. MATERIAL AND METHOD: Two hundred and forty patients with femoral nerve block as part of anesthesia plan for elective unilateral TKA were recruited into study...
May 2016: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
https://www.readbyqxmd.com/read/27397454/anesthetic-challenges-in-minimally-invasive-cardiac-surgery-are-we-moving-in-a-right-direction
#12
REVIEW
Vishwas Malik, Ajay Kumar Jha, Poonam Malhotra Kapoor
Continuously growing patient's demand, technological innovation, and surgical expertise have led to the widespread popularity of minimally invasive cardiac surgery (MICS). Patient's demand is being driven by less surgical trauma, reduced scarring, lesser pain, substantially lesser duration of hospital stay, and early return to normal activity. In addition, MICS decreases the incidence of postoperative respiratory dysfunction, chronic pain, chest instability, deep sternal wound infection, bleeding, and atrial fibrillation...
July 2016: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/27312936/selective-stimulation-of-facial-muscles-with-a-penetrating-electrode-array-in-the-feline-model
#13
Ronald Sahyouni, Jay Bhatt, Hamid R Djalilian, William C Tang, John C Middlebrooks, Harrison W Lin
OBJECTIVES/HYPOTHESIS: Permanent facial nerve injury is a difficult challenge for both patients and physicians given its potential for debilitating functional, cosmetic, and psychological sequelae. Although current surgical interventions have provided considerable advancements in facial nerve rehabilitation, they often fail to fully address all impairments. We aim to introduce an alternative approach to facial nerve rehabilitation. STUDY DESIGN: Acute experiments in animals with normal facial function...
June 16, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27310984/prolonged-hemidiaphragmatic-paresis-following-continuous-interscalene-brachial-plexus-block-a-case-report
#14
Helen Ki Shinn, Byung-Gun Kim, Jong Kwon Jung, Hee Uk Kwon, Chunwoo Yang, Jonghun Won
Interscalene brachial plexus block provides effective anesthesia and analgesia for shoulder surgery. One of the disadvantages of this technique is the risk of hemidiaphragmatic paresis, which can occur as a result of phrenic nerve block and can cause a decrease in the pulmonary function, limiting the use of the block in patients with reduced functional residual capacity or a preexisting pulmonary disease. However, it is generally transient and is resolved over the duration of the local anesthetic's action.We present a case of a patient who experienced prolonged hemidiaphragmatic paresis following a continuous interscalene brachial plexus block for the postoperative pain management of shoulder surgery, and suggest a mechanism that may have led to this adverse effect...
June 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27306673/ampakine-cx717-potentiates-intermittent-hypoxia-induced-hypoglossal-long-term-facilitation
#15
S M Turner, M K ElMallah, A K Hoyt, J J Greer, D D Fuller
Glutamatergic currents play a fundamental role in regulating respiratory motor output and are partially mediated by α-amino-3-hydroxy-5-methyl-isoxazole-propionic acid (AMPA) receptors throughout the premotor and motor respiratory circuitry. Ampakines are pharmacological compounds that enhance glutamatergic transmission by altering AMPA receptor channel kinetics. Here, we examined if ampakines alter the expression of respiratory long-term facilitation (LTF), a form of neuroplasticity manifested as a persistent increase in inspiratory activity following brief periods of reduced O2 [intermittent hypoxia (IH)]...
September 1, 2016: Journal of Neurophysiology
https://www.readbyqxmd.com/read/27299129/atraumatic-extra-articular-patellar-dislocation-with-vertical-axis-rotation-a-case-study
#16
Andrew Higgins, Mahdi Yacine Khalfaoui
INTRODUCTION: Acute patellar dislocation is a common injury usually associated with a significant traumatic mechanism resulting in lateral displacement. Vertical axis rotation following dislocation is a rare variant of this type of injury and can prevent closed reduction in the acute setting. CASE PRESENTATION: A 32-year old gentleman presented with an irreducible patella dislocation following an unusual atraumatic mechanism. Following attempts at closed reduction under sedation and regional nerve block, eventual open reduction and soft tissue reconstruction was required under general anesthetic...
January 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/27222120/impairment-of-toll-like-receptors-2-and-4-leads-to-compensatory-mechanisms-after-sciatic-nerve-axotomy
#17
C M Freria, D Bernardes, G L Almeida, G F Simões, G O Barbosa, A L R Oliveira
BACKGROUND: Peripheral nerve injury results in retrograde cell body-related changes in the spinal motoneurons that will contribute to the regenerative response of their axons. Successful functional recovery also depends on molecular events mediated by innate immune response during Wallerian degeneration in the nerve microenvironment. A previous study in our lab demonstrated that TLR 2 and 4 develop opposite effects on synaptic stability in the spinal cord after peripheral nerve injury...
2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27171143/pain-and-laboratory-animals-publication-practices-for-better-data-reproducibility-and-better-animal-welfare
#18
Larry Carbone, Jamie Austin
Scientists who perform major survival surgery on laboratory animals face a dual welfare and methodological challenge: how to choose surgical anesthetics and post-operative analgesics that will best control animal suffering, knowing that both pain and the drugs that manage pain can all affect research outcomes. Scientists who publish full descriptions of animal procedures allow critical and systematic reviews of data, demonstrate their adherence to animal welfare norms, and guide other scientists on how to conduct their own studies in the field...
2016: PloS One
https://www.readbyqxmd.com/read/27168565/en-route-use-of-analgesics-in-nonintubated-critically-ill-patients-transported-by-u-s-air-force-critical-care-air-transport-teams
#19
Alejandra G Mora, Victoria J Ganem, Alicia T Ervin, Joseph K Maddry, Vikhyat S Bebarta
INTRODUCTION: U.S. Critical Care Air Transport Teams (CCATTs) evacuate critically ill patients with acute pain in the combat setting. Limited data have been reported on analgesic administration en route, and no study has reported analgesic use by CCATTs. Our objective was to describe analgesics used by CCATTs for nonintubated, critically ill patients during evacuation from a combat setting. METHODS: We conducted an institutional review board-approved, retrospective review of CCATT records...
May 2016: Military Medicine
https://www.readbyqxmd.com/read/27118661/gadolinium-and-ruthenium-red-attenuate-remote-hind-limb-preconditioning-induced-cardioprotection-possible-role-of-trp-and-especially-trpv-channels
#20
Puneet Kaur Randhawa, Amteshwar Singh Jaggi
Remote ischemic preconditioning is a well reported therapeutic strategy that induces cardioprotective effects but the underlying intracellular mechanisms have not been widely explored. The current study was designed to investigate the involvement of TRP and especially TRPV channels in remote hind limb preconditioning-induced cardioprotection. Remote hind limb preconditioning stimulus (4 alternate cycles of inflation and deflation of 5 min each) was delivered using a blood pressure cuff tied on the hind limb of the anesthetized rat...
August 2016: Naunyn-Schmiedeberg's Archives of Pharmacology
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