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Tibial nerve blocks

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https://www.readbyqxmd.com/read/29338149/injection-pressure-mapping-of-intraneural-vs-perineural-injections-further-lessons-from-cadaveric-studies
#1
Andrzej Krol, Arber Vala, Leonidas Phylactides, Matthew Szarko, Miguel A Reina, Jose de Andrés
BACKGROUND: The aim of the study was to investigate the difference between intraneural and perineural injection pressures in human cadavers. Targeted nerves included the cervical roots, the supraclavicular and infraclavicular brachial plexus, the sciatic-subgluteal nerve and the common peroneal and tibial nerves. METHODS: Ten readings were obtained for each nerve location. 1mL of 0.9% NaCl was injected over ten seconds - deliberately slower than in clinical practice to eliminate the risk of aberrant readings relating to the speed of injection...
January 16, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29249176/neural-mechanisms-of-strength-increase-after-one-week-motor-imagery-training
#2
Sidney Grosprêtre, Thomas Jacquet, Florent Lebon, Charalambos Papaxanthis, Alain Martin
The neural mechanisms explaining strength increase following mental training by motor imagery (MI) are not clearly understood. While gains are mostly attributed to cortical reorganization, the sub-cortical adaptations have never been investigated. The present study investigated the effects of MI training on muscle force capacity and the related spinal and supraspinal mechanisms. Eighteen young healthy participants (mean age: 22.5 ± 2.6) took part in the experiment. They were distributed into two groups: a control group (n = 9) and an MI training group (n = 9)...
December 17, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/29205431/anatomic-delineation-of-tarsal-tunnel-innervation-via-ultrasonography
#3
Alvaro Iborra, Manuel Villanueva, Stephen L Barrett, Edgardo Rodriguez-Collazo, Pablo Sanz
OBJECTIVES: High-resolution ultrasonography (US) can play an important role in studying nerves, as it has several advantages. Entrapments of distal tibial nerve branches can be mapped out or diagnosed with selective anesthetic blocks, and US can guide therapeutic procedures, such as radiofrequency ablation and selective infiltrations of specific nerve branches. The aim of this study was to verify that US is an effective method for accurately locating the posterior tibial nerve and its terminal branches, such as the medial calcaneal branch, the first calcaneal branch, and the medial and lateral plantar nerves...
December 4, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29091318/early-electrophysiological-findings-in-acute-inflammatory-demyelinating-polyradiculoneuropathy-variant-of-guillain-barre-syndrome-in-the-pakistani-population%C3%A2-%C3%A2-a-comparison-with-global-data
#4
REVIEW
Ahmad Wali, Dureshahwar Kanwar, Safoora A Khan, Sara Khan
Acute inflammatory demyelinating polyradiculoneuropathy (AIDP) and acute motor axonal neuropathy are the most common variants of Guillian-Barre syndrome documented in the Asian population. However, the variability of early neurophysiologic findings in the Asian population compared to western data has not been documented. Eighty-seven cases of AIDP were retrospectively reviewed for their demographic, clinical, electrophysiological, and laboratory data. Mean age of subjects was 31 ± 8 years with males more commonly affected...
November 1, 2017: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/29074363/ultrasound-guided-femoral-and-obturator-nerves-block-in-the-psoas-compartment-in-dogs-anatomical-and-randomized-clinical-study
#5
Hamaseh Tayari, Giulio Tazioli, Gloria Breghi, Angela Briganti
OBJECTIVE: To evaluate intraoperative and postoperative efficacy of ultrasound (US)-guided femoral (FN) and obturator (ON) nerves block, in the iliopsoas muscle compartment (IPM), using an in-plane technique. STUDY DESIGN: Anatomical research and randomized, prospective, 'blinded' clinical study. ANIMALS: Six dog cadavers and 20 client-owned dogs undergoing tibial plateau levelling osteotomy (TPLO) surgery. METHODS: In phase 1, anatomical dissections and US imaging of the IPM were performed to design an US-guided nerve block involving the FN and ON simultaneously...
April 29, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28937534/the-spread-of-ultrasound-guided-injectate-from-the-adductor-canal-to-the-genicular-branch-of-the-posterior-obturator-nerve-and-the-popliteal-plexus-a-cadaveric-study
#6
Charlotte Runge, Bernhard Moriggl, Jens Børglum, Thomas Fichtner Bendtsen
BACKGROUND AND OBJECTIVES: The popliteal nerve plexus contributes to afferent knee-pain conduction. It is mainly formed by genicular branches from the posterior obturator and the tibial nerves, innervating the intra-articular and posterior knee region. A subinguinal obturator nerve block alleviates pain after total knee arthroplasty. Reduced hip adductor motor function could be avoided by a posterior obturator nerve block inside the popliteal fossa.The aim of this study was to evaluate the spread of dye after a distal adductor canal (AC) injection to the popliteal fossa and coloring of the popliteal plexus and the genicular branch of the posterior obturator nerve by dissection...
November 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28663624/the-effect-of-preemptive-ankle-block-using-ropivacaine-and-dexamethasone-on-postoperative-analgesia-in-foot-surgery
#7
Ashraf Elsayed Alzeftawy, Nabil Aly Elsheikh
BACKGROUND: Peripheral nerve blocks have become an increasingly popular form of anesthesia. Preemptive analgesia reduces central sensitization, postoperative pain, and analgesic consumption. Different additive has been used to prolong regional blockade and improve postoperative analgesia. AIM: This study was conducted to evaluate whether preemptive ankle block using combination of ropivacaine and dexamethasone would succeed in improving the postoperative analgesia after foot surgery in patients receiving general anesthesia...
April 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28602048/injected-corticosteroids-for-treating-plantar-heel-pain-in-adults
#8
REVIEW
Judy A David, Venkatesan Sankarapandian, Prince Rh Christopher, Ahana Chatterjee, Ashish S Macaden
BACKGROUND: Plantar heel pain, commonly resulting from plantar fasciitis, often results in significant morbidity. Treatment options include nonsteroidal anti-inflammatory drugs (NSAIDs), orthoses, physical therapy, physical agents (e.g. extracorporeal shock wave therapy (ESWT), laser) and invasive procedures including steroid injections. OBJECTIVES: To assess the effects (benefits and harms) of injected corticosteroids for treating plantar heel pain in adults. SEARCH METHODS: We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, the Cochrane Central Register of Controlled Trials (the Cochrane Library), MEDLINE, Embase, CINAHL, clinical trials registries and conference proceedings...
June 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28591954/-the-effect-of-emulsified-sevofluran-on-muscular-relaxation-through-selective-blockage-of-peripheral-nerves
#9
Ling Ye, Xin-Xin Sun, Tao Zhu, Ping-Liang Yang
OBJECTIVES: To identify the site that emulsified sevoflurane influences in the nerve system. METHODS: Thirty-six healthy New Zealand rabbits were randomly and equally divided into low concentration emulsified sevoflurane group [4 mL/(kg·h)], medium concentration [6 mL/(kg·h)]group, high concentration group[10 mL/(kg·h)]and intralipid control group. Emulsified sevoflurane was infused through arterial to selectively block peripheral nerves, neuro-muscular junctions and muscle fibers...
July 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28570479/sensitization-of-c-fiber-nociceptors-in-mice-with-sickle-cell-disease-is-decreased-by-local-inhibition-of-anandamide-hydrolysis
#10
Megan L Uhelski, Kalpna Gupta, Donald A Simone
Chronic pain and hyperalgesia, as well as pain resulting from episodes of vaso-occlusion, are characteristic features of sickle cell disease (SCD) and are difficult to treat. Since there is growing evidence that increasing local levels of endocannabinoids can decrease hyperalgesia, we examined the effects of URB597, a fatty acid amide hydrolase (FAAH) inhibitor, which blocks the hydrolysis of the endogenous cannabinoid anandamide, on hyperalgesia and sensitization of cutaneous nociceptors in a humanized mouse model of SCD...
September 2017: Pain
https://www.readbyqxmd.com/read/28542868/initial-placement-and-secondary-displacement-of-a-new-suture-method-catheter-for-sciatic-nerve-block-in-healthy-volunteers-a-randomised-double-blind-pilot-study
#11
T S Lyngeraa, C Rothe, C Steen-Hansen, M H Madsen, C B Christiansen, A M Andreasen, L H Lundstrøm, K H W Lange
We performed a randomised double-blind pilot study in 16 healthy volunteers to investigate the success rate for placing a new suture-method catheter for sciatic nerve block. A catheter was inserted into both legs of volunteers and each was randomly allocated to receive 15 ml lidocaine 2% through the catheter in one leg and 15 ml saline in the other leg. Successful placement of the catheter was defined as a 20% decrease in maximum voluntary isometric contraction for dorsiflexion of the ankle. Secondary outcomes were maximum voluntary isometric contraction for plantar flexion at the ankle, surface electromyography and cold sensation...
August 2017: Anaesthesia
https://www.readbyqxmd.com/read/28533627/reduced-foot-pain-after-spasticity-control-with-alcohol-block-in-a-patient-with-chronic-hemiparetic-stroke-a-case-report
#12
Min Cheol Chang
[Purpose] This study report a case of a patient with hemiparetic stroke who showed significantly reduced foot pain when ankle spasticity was reduced using nerve and motor point blocks with 20% ethyl alcohol. [Subject and Methods] A 58-year-old woman with left hemiparesis following intracranial hemorrhage five years previously presented with pain in the left fifth metatarsal head for two years (numeric rating scale[NRS]: 8). Erythema and edema were observed on the lateral aspect of the head of the fifth metatarsal bone...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28459126/localization-of-nerve-entry-points-as-targets-to-block-spasticity-of-the-deep-posterior-compartment-muscles-of-the-leg
#13
Shuaiyu Hu, Lifan Zhuo, Xiaoming Zhang, Shengbo Yang
To identify the optimal body surface puncture locations and the depths of nerve entry points (NEPs) in the deep posterior compartment muscles of the leg, 60 lower limbs of thirty adult cadavers were dissected in prone position. A curved line on the skin surface joining the lateral to the medial epicondyles of the femur was taken as a horizontal reference line (H). Another curved line joining the lateral epicondyle of the femur to the lateral malleolus was designated the longitudinal reference line (L). Following dissection, the NEPs were labeled with barium sulfate and then subjected to spiral computed tomography scanning...
April 29, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28260964/the-anatomic-relationship-of-the-tibial-nerve-to-the-common-peroneal-nerve-in-the-popliteal-fossa-implications-for-selective-tibial-nerve-block-in-total-knee-arthroplasty
#14
Eric R Silverman, Amaresh Vydyanathan, Karina Gritsenko, Naum Shaparin, Nair Singh, Sherry A Downie, Boleslav Kosharskyy
Background. A recently described selective tibial nerve block at the popliteal crease presents a viable alternative to sciatic nerve block for patients undergoing total knee arthroplasty. In this two-part investigation, we describe the effects of a tibial nerve block at the popliteal crease. Methods. In embalmed cadavers, after the ultrasound-guided dye injection the dissection revealed proximal spread of dye within the paraneural sheath. Consequentially, in the clinical study twenty patients scheduled for total knee arthroplasty received the ultrasound-guided selective tibial nerve block at the popliteal crease, which also resulted in proximal spread of local anesthetic...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/28237684/effects-of-dexmedetomidine-combined-with-ropivacaine-on-sciatic-and-femoral-nerve-blockade-in-dogs
#15
Thomas A Trein, Beatriz P Floriano, Juliana T Wagatsuma, Joana Z Ferreira, Guilherme L da Silva, Paulo S P Dos Santos, Sílvia H V Perri, Valéria Nls Oliva
OBJECTIVE: To evaluate motor and sensory blockade of combining dexmedetomidine with ropivacaine, administered perineurally or systemically, for femoral and sciatic nerve blocks in conscious dogs. STUDY DESIGN: Randomized, controlled, experimental study. ANIMALS: Seven healthy Beagle dogs, aged 3.3 ± 0.1 years and weighing 11.0 ± 2.4 kg. METHODS: Dogs were anesthetized with isoflurane on three separate occasions for unilateral femoral and sciatic nerve blocks and were administered the following treatments in random order: perineural ropivacaine 0...
February 22, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28186424/defining-local-nerve-blocks-for-feline-distal-pelvic-limb-surgery-a-cadaveric-study
#16
Masataka Enomoto, B Duncan X Lascelles, Mathew P Gerard
Objectives Anatomical and methodological detail is lacking regarding local anesthetic peripheral nerve block techniques for distal pelvic limb surgery in cats. The aim of this study was to develop, describe and test nerve block methods based on cadaveric dissections and dye injections. Methods Ten pairs of feline pelvic limbs (n = 20) were dissected and the tibial nerve (T n.), common fibular (peroneal) nerve (CF n., and its two branches, the superficial fibular [peroneal] nerve [SpF n.] and the deep fibular [peroneal] nerve [DpF n...
February 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28139516/effects-of-head-down-tilt-on-nerve-conduction-in-rhesus-monkeys
#17
Bo Sun, Xiao-Yun Zhang, Li-Zhi Liu, Zhao-Hui Chen, Zhong-Quan Dai, Xu-Sheng Huang
BACKGROUND: Few studies have focused on peripheral nerve conduction during exposure to microgravity. The -6° head-down tilt (HDT) comprises an experimental model used to simulate the space flight environment. This study investigated nerve conduction characteristics of rhesus monkeys before and after prolonged exposure to HDT. METHODS: Six rhesus monkeys (3-4 years old) were tilted backward 6° from the horizontal. Nerve conduction studies (NCSs) were performed on the median, ulnar, tibial, and fibular motor nerves...
February 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28121019/tibial-nerve-block-using-an-ultrasound-guided-inframalleolar-medial-plantar-nerve-perineural-injection-a-technical-note
#18
Christopher J Burke, Ronald S Adler
Sonographic-guided tibial nerve block allows for rapid anesthetization of the heel and plantar regions of the foot. We describe a variant technique for tibial nerve regional anesthesia utilizing perineural injection of the medial plantar nerve proximal to the sustentaculum tali where the nerve is superficial and readily accessed, with resultant retrograde flow of local anesthetic proximally. Perineural injection of the medial plantar nerve at the inframalleolar level provides a simple, safe, and effective alternative method to achieve tibial nerve block for regional anesthesia in a variety of procedures...
March 4, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28120017/-sciatic-nerve-block-out-of-plane-distal-to-the-bifurcation-effective-and-safe
#19
RANDOMIZED CONTROLLED TRIAL
T Geiser, J Apel, O Vicent, J Büttner
BACKGROUND: Ultrasound guided distal sciatic nerve block (DSB) at bifurcation level shows fast onset and provides excellent success rates. However, its safe performance might be difficult for the unexperienced physician. Just slightly distal to the bifurcation, the tibial nerve (TN) and common fibular nerve (CFN) can be shown clearly separated from each other. Therefore, we investigated if a block done here would provide similar quality results compared to the DSB proximally to the division, with a potentially lower risk of nerve damage...
March 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28092318/opening-injection-pressure-is-higher-in-intraneural-compared-with-perineural-injections-during-simulated-nerve-blocks-of-the-lower-limb-in-fresh-human-cadavers
#20
Kris Vermeylen, Marlies Hermans, Filiep Soetens, Evie Vereecke, Thorsten Steinfeldt, Gerbrand Groen, Admir Hadzic, Marc Van de Velde
BACKGROUND AND OBJECTIVES: Needle-induced nerve trauma and intraneural injection can lead to neurologic injury during peripheral nerve blocks. In this study, we assessed the utility of opening injection pressure (OIP), time to OIP, and rate of rise to OIP in detecting needle-nerve contact and intraneural injection. METHODS: Five common ultrasound-guided blocks of the femoral, saphenous, subgluteal sciatic, tibial, and common peroneal nerves were simulated in 10 fresh cadavers...
May 2017: Regional Anesthesia and Pain Medicine
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