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Ankle block

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https://www.readbyqxmd.com/read/28918661/comparable-postoperative-pain-levels-using-2-different-nerve-blocks-in-the-operative-treatment-of-displaced-intra-articular-calcaneal-fractures
#1
Siem A Dingemans, Kristian J de Ruiter, Merel F N Birnie, J Carel Goslings, Gan van Samkar, Tim Schepers
BACKGROUND: The aim of this study was to compare the postoperative pain levels in patients undergoing osteosynthesis of the calcaneus with either a popliteal nerve block or an ankle block. METHODS: A retrospective analysis of all consecutive patients undergoing operative fixation of a calcaneal fracture via a sinus tarsi approach between August 2012 and April 2017 in a single foot/ankle specialized center was performed. Single-shot popliteal blocks were placed using ultrasound guidance by an anesthesiologist while ankle blocks were placed by a foot/ankle specialized surgeon...
September 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28915093/sport-skill-specific-expertise-biases-sensory-integration-for-spatial-referencing-and-postural-control
#2
Michalis Thalassinos, Giorgos Fotiadis, Fotini Arabatzi, Brice Isableu, Vassilia Hatzitaki
The authors asked how sport expertise modulates visual field dependence and sensory reweighting for controlling posture. Experienced soccer athletes, ballet dancers, and nonathletes performed (a) a Rod and Frame test and (b) a 100-s bipedal stance task during which vision and proprioception were successively or concurrently disrupted in 20-s blocks. Postural adaptation was assessed in the mean center of pressure displacement, root mean square of center of pressure velocity and ankle muscles integrated electromyography activity...
September 15, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28872725/dorsal-root-ganglion-field-stimulation-prevents-inflammation-and-joint-damage-in-a-rat-model-of-rheumatoid-arthritis
#3
Bin Pan, Zhiyong Zhang, Dongman Chao, Quinn H Hogan
OBJECTIVES: Electrical stimulation of the dorsal root ganglion (DRG), referred to here as ganglionic field stimulation (GFS), is effective in reducing clinical pain, probably by interrupting transmission of afferent impulse trains on sensory neurons as they pass through the DRG. We therefore tested whether efferent impulse trains conveyed by sensory neurons, which contribute to neurogenic inflammation, may also be interrupted by GFS. MATERIALS AND METHODS: Collagen-induced arthritis, a model of clinical rheumatoid arthritis, was initiated in rats concurrently with the insertion of an electrode for GFS at the fourth lumbar DRG...
September 5, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28872386/on-the-importance-of-front-side-mechanics-in-athletics-sprinting
#4
Thomas Haugen, Jørgen Danielsen, Leif Olav Alnes, David McGhie, Øyvind Sandbakk, Gertjan Ettema
Practitioners have for many years argued that athletic sprinters should optimise front-side mechanics (leg motions occurring in front of the extended line through the torso) and minimise back-side mechanics. This study aimed to investigate if variables related to front- and back-side mechanics can be distinguished from other previously highlighted kinematic variables (spatiotemporal variables and variables related to segment configuration and velocities at touchdown) in how they statistically predict performance...
September 5, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28870310/peripheral-nerve-blocks-in-foot-and-ankle-surgery
#5
REVIEW
Tyler W Fraser, Jesse F Doty
Postoperative pain is one of the most important factors in regard to patient outcomes. It has been linked with patient satisfaction, length of stay, and overall hospital costs. Peripheral nerve blocks have provided a safe, effective method to control early postoperative pain when symptoms are most severe. Peripheral nerve blocks, whether used intraoperatively or postoperatively, provide an alternative or adjunct to conventional pain management methods for patients who may not tolerate heavy narcotics or general anesthesia, in particular the elderly and those with cardiopulmonary disease...
October 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/28865584/bone-block-arthrodesis-procedure-in-failures-of-first-metatarsophalangeal-joint-replacement
#6
Federico Giuseppe Usuelli, Jacopo Tamini, Camilla Maccario, Miriam Grassi, Eric W Tan
BACKGROUND: The treatment for the failure of a first metatarsophalangeal joint (MTP1) prosthesis can be complex. There is no consensus regarding the ideal treatment. One of the main issues is the available bone stock after prosthesis removal. The aim of the study was to report the clinical and radiographic results for MTP1 arthrodesis with autologous calcaneus bone graft (bone-block fusion) as a revision procedure of a previous MTP1 implant failure. METHODS: This study included 12 patients diagnosed with failure of a MTP1 prosthesis...
September 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28814096/ankle-block-vs-single-shot-popliteal-fossa-block-as-primary-anesthesia-for-forefoot-operative-procedures-prospective-randomized-comparison
#7
Oliver N Schipper, Kenneth J Hunt, Robert B Anderson, W Hodges Davis, Carroll P Jones, Bruce E Cohen
BACKGROUND: Postoperative pain is often difficult to control with oral medications, requiring large doses of opioid analgesia. Regional anesthesia may be used for primary anesthesia, reducing the need for general anesthetic and postoperative pain medication requirements in the immediate postoperative period. The purpose of this study was to compare the analgesic effects of an ankle block (AB) to a single-shot popliteal fossa block (PFB) for patients undergoing orthopedic forefoot procedures...
August 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28799030/transfer-of-improved-movement-technique-after-receiving-verbal-external-focus-and-video-instruction
#8
Anne Benjaminse, Wouter Welling, Bert Otten, Alli Gokeler
PURPOSE: It is unknown how movement patterns that are learned carry over to the field. The objective was to determine whether training during a jump-landing task would transfer to lower extremity kinematics and kinetics during sidestep cutting. METHODS: Forty healthy athletes were assigned to the verbal internal focus (IF, n = 10), verbal external focus (EF, n = 10), video (VI, n = 10) or control (CTRL, n = 10) group. A jump-landing task was performed as baseline followed by training blocks (TR1 and TR2) and a post-test...
August 10, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28722588/optimizing-direct-membrane-and-direct-skin-feeding-assays-for-plasmodium-falciparum-transmission-blocking-vaccine-trials-in-bancoumana-mali
#9
Mamadou B Coulibaly, Erin E Gabriel, Youssouf Sinaba, Daman Sylla, Adama Sacko, Lakamy Sylla, Boubacar Coulibaly, Jen C C Hume, Ibrahima Baber, Mahamadoun H Assadou, Issaka Sagara, Yimin Wu, Sara A Healy, Ogobara Doumbo, Sekou F Traore, Patrick E Duffy
Malaria transmission-blocking vaccines (TBV) have been evaluated in field trials in Mali, since 2013. However, the assays currently used to measure serum antibody TB activity (TBA) after vaccination are highly variable, in part due to the lack of optimization and standardization for field assays in which mosquitoes feed on gametocytemic blood. Herein, we report a study conducted in Bancoumana village, Mali, where we identify and optimize the parameters that contribute to successful mosquito feeding outcomes in both direct skin feeds (DSFs) and direct membrane feeding assays (DMFA)...
June 26, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28715236/effects-of-different-heel-raise-lower-exercise-interventions-on-the-strength-of-plantarflexion-balance-and-gait-parameters-in-stroke-survivors
#10
Seung-Mi Lee, Heon-Seock Cynn, Tae-Lim Yoon, Ji-Hyun Lee
The objective of this study was to investigate the effects of Heel-Raise-Lower Exercise (HRLE) interventions on the strength of plantarflexion, balance, and gait parameters in people with stroke. Specifically, this study compared the two different HRLEs to identify whether heels raise-lower with forefoot on a block (HRB) is more effective or ineffective to enhance strength and functional capacities than heels raise-lower on a level floor (HRL) exercise in people with stroke. Repetitive heel raise-lower is a common exercise for improving the strength and power of ankle plantarflexors...
July 17, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28690469/ankle-reconstruction-in-fibular-hemimelia-new-approach
#11
Hany Hefny, ElHussein M Elmoatasem, Mahmoud Mahran, Tamer Fayyad, Mohamed A Elgebeily, Ahmed Mansour, Mamdouh Hefny
BACKGROUND: Fibular hemimelia is a congenital disorder that is characterized by the absence of the fibula that could be either partial or complete. Successful management aims to restore normal weight bearing and normal limb length. The introduction of the Ilizarov method of limb lengthening has provided an attractive alternative to amputation. During lengthening, the tight posterolateral soft-tissue structures, the thick fibrous fibular band, and the shortened Achilles tendon become tighter and transfer a valgus force to the talus and calcaneus, further aggravating the deformity...
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28663624/the-effect-of-preemptive-ankle-block-using-ropivacaine-and-dexamethasone-on-postoperative-analgesia-in-foot-surgery
#12
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/28657562/patient-specific-instrumentation-in-total-knee-arthroplasty
#13
Andrea Colombelli, Alberto Belluati, Yousef Rizqallah, Giovanni Guerra, Carlo Busatto
BACKGROUND AND AIM OF THE WORK: The international literature and analysis of the prosthetic registers highlight a significant relationship between the alignment of the components and the survival of prosthetic implants of the knee. The patient specific instrumentation (PSI) technology exploits the data obtained with the MRN for the production of cutting blocks (CB) useful to a TKA. Revisiting the recent international literature, comparing the results of the conventional method and PSI, numerous studies confirm a statistically significant difference of inliers (± 3 degrees) for HKA...
June 7, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28655743/landing-related-ankle-injuries-do-not-occur-in-plantarflexion-as-once-thought-a-systematic-video-analysis-of-ankle-injuries-in-world-class-volleyball
#14
Christopher Skazalski, Jacek Kruczynski, Martin Aase Bahr, Tone Bere, Rod Whiteley, Roald Bahr
BACKGROUND: Ankle injuries are prevalent in elite volleyball and suggested to result from player contact at the net. Traditionally, ankle sprains are thought to happen in a plantarflexed position, but case studies suggest plantarflexion may not be involved. AIM: Describe the injury situations and mechanisms of ankle injuries in world-class volleyball based on systematic video analysis of injuries reported through the Fédération Internationale de Volleyball (FIVB) Injury Surveillance System...
June 27, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28639035/mitigation-of-pedestrian-heat-stress-using-parasols-in-a-humid-subtropical-region
#15
Shinichi Watanabe, Jin Ishii
Concerns over heat illness have been an increasing social problem in humid subtropical regions. One measure for avoiding excessive heat stress in hot outdoor environments is the use of parasols or umbrellas. The advantage of parasols is that they are a mobile and inexpensive way to provide personal shade outdoors. The objectives of this study were to compare the wet-bulb globe temperature (WBGT) under parasols and at an unshaded point as a reference, and to quantify the reduction in WBGT from the use of parasols in a humid subtropical region...
June 21, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28635034/modular-transmit-receive-arrays-using-very-high-permittivity-dielectric-resonator-antennas
#16
Thomas P A O'Reilly, Thomas Ruytenberg, Andrew G Webb
PURPOSE: Dielectric resonator antenna (DRAs) are compact structures that exhibit low coupling between adjacent elements and therefore can be used as MRI transmit arrays. In this study, we use very high permittivity materials to construct modular flexible transceive arrays of a variable numbers of elements for operation at 7T. METHODS: DRAs were constructed using rectangular blocks of ceramic (lead zirconate titanate, εr  = 1070) with the transverse electric (TE)01 mode tuned to 298 MHz...
June 20, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28623037/muscle-recruitment-and-coordination-with-an-ankle-exoskeleton
#17
Katherine M Steele, Rachel W Jackson, Benjamin R Shuman, Steven H Collins
Exoskeletons have the potential to assist and augment human performance. Understanding how users adapt their movement and neuromuscular control in response to external assistance is important to inform the design of these devices. The aim of this research was to evaluate changes in muscle recruitment and coordination for ten unimpaired individuals walking with an ankle exoskeleton. We evaluated changes in the activity of individual muscles, cocontraction levels, and synergistic patterns of muscle coordination with increasing exoskeleton work and torque...
July 5, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28603496/anhuienoside-c-ameliorates-collagen-induced-arthritis-through-inhibition-of-mapk-and-nf-%C3%AE%C2%BAb-signaling-pathways
#18
Qing Liu, Xu-Hui Xiao, Liu-Bing Hu, Hui-Yang Jie, Ying Wang, Wen-Cai Ye, Man-Mei Li, Zhong Liu
Anemone flaccida Fr. Schmidt (Ranunculaceae) (Di Wu in Chinese) is used to treat punch injuries and rheumatoid arthritis (RA). Our previous report has shown that crude triterpenoid saponins from Anemone flaccida exhibited anti-arthritic effects on type II collagen-induced arthritis in rats. Furthermore, anhuienoside C (AC), a saponin compound isolated from A. flaccida, was observed to suppress the nitric oxide production in lipopolysaccharide (LPS)-treated macrophage RAW 264.7 cells. In this study, we examined the effects of AC on the prevention and treatment of collagen-induced arthritis in a mouse model and evaluated the potential mechanisms involved...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28595744/functional-electrical-stimulation-improves-quality-of-life-by-reducing-intermittent-claudication
#19
David G Embrey, Gad Alon, Brenna A Brandsma, Felix Vladimir, Angela Silva, Bethann M Pflugeisen, Paul J Amoroso
OBJECTIVE: To determine if Functional Electrical Stimulation (FES) would improve ischemic pain, walking distance, and quality of life of patients with intermittent claudication. DESIGN: Single blind, randomized block, two factorial design. PATIENTS: Patients diagnosed with Peripheral Artery Disease (PAD) and intermittent claudication (IC). Ankle Brachial Index ranged 0.4-0.9 on at least one leg. Patients were randomly assigned to experimental (FES+Walk, N=13) or control (WALK, N=14) groups...
September 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28576901/anankle-trial-study-protocol-a-randomised-trial-comparing-pain-profiles-after-peripheral-nerve-block-or-spinal-anaesthesia-for-ankle-fracture-surgery
#20
Rune Sort, Stig Brorson, Ismail Gögenur, Ann Merete Møller
INTRODUCTION: Ankle fracture surgery is a common procedure, but the influence of anaesthesia choice on postoperative pain and quality of recovery is poorly understood. Some authors suggest a benefit of peripheral nerve block (PNB) in elective procedures, but the different pain profile following acute fracture surgery and the rebound pain on cessation of the PNB both remain unexplored. We present an ongoing randomised study aiming to compare primary PNB anaesthesia with spinal anaesthesia for ankle fracture surgery regarding postoperative pain profiles and quality of recovery...
June 2, 2017: BMJ Open
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