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Popliteal block

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https://www.readbyqxmd.com/read/28697028/sciatic-popliteal-fossa-catheter-for-pediatric-pain-management-of-sickle-cell-crisis-a-case-report
#1
Garret Weber, Sherry Liao, Micah Alexander Burns
Sickle cell crisis, or vaso-occlusive crisis (VOC), is a major cause of hospitalizations for adults and children with sickle cell disease, and is associated with increased morbidity and mortality. Despite prompt pharmacological treatment and multimodal pain management, acute pain during a VOC is often not adequately controlled in the pediatric population. We placed a continuous popliteal sciatic nerve block under ultrasound guidance in a pediatric patient for localized refractory pain during a VOC, resulting in improved pain control with preserved sensorimotor function...
July 10, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28598917/improving-performance-by-monitoring-the-success-rate-of-peripheral-nerve-blocks
#2
Sietske M K Bakker, Rudolf Stienstra
In our hospital, we introduced a system to measure the collective and individual efficacy of brachial plexus and popliteal nerve blocks with the objective to create transparency as an instrument for monitoring and improvement. Initially, individual results were anonymous, but after 1 year anonymity was lifted within the team of anesthesiologists and results are now discussed quarterly. Collective performance of interscalene, supraclavicular, and popliteal blocks improved significantly over time. Sharing and discussing collective and individual performance has resulted in critical self-appraisal and increased willingness to learn from each other and strengthened the team's ambition for further improvement...
June 8, 2017: Anesthesia and Analgesia
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
#3
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
https://www.readbyqxmd.com/read/28464014/analgesic-effect-of-perineural-magnesium-sulphate-for-sciatic-nerve-block-for-diabetic-toe-amputation-a-randomized-trial
#4
Jiehao Sun, Xiaona Feng, Qihan Zhu, Wendong Lin, Hailei Guo, Emmanuel Ansong, Le Liu
BACKGROUND AND OBJECTIVES: High concentrations of local anesthetics may be neurotoxic for diabetic patients. Additive perineural administration of magnesium was reported to decrease the consumption of local anesthetics for nerve block. It was hypothesized that MgSO4 added to dilute ropivacaine was equianalgesic to more concentrated ropivacaine for toe amputations in diabetic patients. METHODS: Seventy diabetic patients were allocated into 3 groups: 1) perineural 200 mg MgSO4 added to 0...
2017: PloS One
https://www.readbyqxmd.com/read/28382804/optical-coherence-tomography-guided-therapy-of-in-stent-restenosis-for-peripheral-arterial-disease
#5
REVIEW
Michael K Lichtenberg, Jeffrey G Carr, Jaafer A Golzar
Approximately 27 million people in Europe and North America currently have peripheral arterial disease (PAD). The endovascular treatment of stenosis or blocked peripheral arteries in PAD include percutaneous transluminal angioplasty with or without a drug coated balloon (DCB), atherectomy (rotational, directional, orbital or laser), and stenting. The development of next generation peripheral stents and drug-coated stents have led to the improved treatment of complex superficial femoral artery (SFA) lesions, and consequently increased their usage...
August 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28374060/possible-utility-of-contrast-enhanced-ultrasonography-for-detecting-spread-of-local-anesthetic-in-nerve-block
#6
Hideaki Sasaki, Masanori Yamauchi, Takafumi Ninomiya, Haruyuki Tatsumi, Michiaki Yamakage
PURPOSE: This study demonstrated the effects of perfluorobutane (Sonazoid(®)) with contrast-enhanced ultrasonography (CEUS) to identify the spread of local anesthetics in ultrasound-guided nerve block. METHODS: This study consists of simulation, cadaveric, and animal studies. In a simulation study, 1% lidocaine with 10- to 1000-fold diluted Sonazoid(®), a US-specific contrast agent to diagnose hepatic and breast cancers (0.5 mL), was injected into a resin-based phantom to determine the optimal concentration for ultrasound-guided peripheral nerve block...
June 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28299433/mri-guided-cryoablation-of-the-posterior-femoral-cutaneous-nerve-for-the-treatment-of-neuropathy-mediated-sitting-pain
#7
Dharmdev H Joshi, Gaurav K Thawait, Filippo Del Grande, Jan Fritz
Neuropathy of the posterior femoral cutaneous nerve may manifest as pain and paresthesia in the skin over the inferior buttocks, posterior thigh, and popliteal region. Current treatment options include physical and oral pain therapy, perineural injections, and surgical neurectomy. Perineural steroid injections may provide short-term pain relief; however, to our knowledge, there is currently no minimally invasive denervation procedure for sustained pain relief that could serve as an alternative to surgical neurectomy...
July 2017: Skeletal Radiology
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
#8
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/28235506/effective-volumes-of-1-5-mepivacaine-with-different-sodium-concentration-for-ultrasound-guided-popliteal-block
#9
Mercedes López, Miguel Calvo, Azahara Sancho, Nicolas Brogly, Emilia Guasch, Fernando Gilsanz
STUDY OBJECTIVE: To determine if a solution of 1.5% mepivacaine diluted with 5% dextrose, which decreases the sodium concentration by 30%, results in reduced volume requirements for a complete sensory block, in the case of an ultrasound guided popliteal nerve block. DESIGN: A randomized controlled study. SETTING: Operating room. PATIENTS: We included seventy ASA 1-3 patients, undergoing unilateral "hallux valgus" repair under ultrasound guided popliteal nerve block...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28214338/sciatic-neuropathy-due-to-popliteal-fossa-nerve-block
#10
Adam Aubuchon, W David Arnold, Anna Bracewell, J Chad Hoyle
INTRODUCTION: Sciatic neuropathy after popliteal nerve block (PNB) for regional anesthesia is considered uncommon but has been increasingly recognized in the literature. We identified a case of sciatic neuropathy that occurred after bunionectomy during which a PNB had been performed. METHODS: To understand the frequency of PNB-related sciatic neuropathy, we performed a retrospective review of sciatic neuropathies at our center over a 5-year period. RESULTS: Forty-five cases of sciatic neuropathy were reviewed...
February 18, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28197774/popliteal-block-for-lower-limb-surgery-in-children-with-cerebral-palsy-effect-on-sevoflurane-consumption-and-postoperative-pain-a-randomized-double-blinded-controlled-trial
#11
Derya Ozkan, Emel Gonen, Taylan Akkaya, Mesut Bakir
PURPOSE: The aim of this study was to evaluate the effects of a preoperative popliteal block on sevoflurane consumption, postoperative pain, and analgesic consumption in children with cerebral palsy (CP) following lower limb surgery. METHODS: Fifty-four patients undergoing lower limb surgery were randomized to receive either a popliteal block + general anaesthesia (group P, n = 27) or general anaesthesia without a popliteal block (group C, n = 27). After anesthesia induction with 50% N2O, O2, and 8% sevoflurane, a popliteal block was given to group P patients with ultrasound guidance as a single dose of 0...
June 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28118359/the-ampk-activator-a769662-blocks-voltage-gated-sodium-channels-discovery-of-a-novel-pharmacophore-with-potential-utility-for-analgesic-development
#12
Marina N Asiedu, Chongyang Han, Sulayman D Dib-Hajj, Stephen G Waxman, Theodore J Price, Gregory Dussor
Voltage-gated sodium channels (VGSC) regulate neuronal excitability by governing action potential (AP) generation and propagation. Recent studies have revealed that AMP-activated protein kinase (AMPK) activators decrease sensory neuron excitability, potentially by preventing sodium (Na+) channel phosphorylation by kinases such as ERK or via modulation of translation regulation pathways. The direct positive allosteric modulator A769662 displays substantially greater efficacy than other AMPK activators in decreasing sensory neuron excitability suggesting additional mechanisms of action...
2017: PloS One
https://www.readbyqxmd.com/read/28017161/ultrasound-guided-peripheral-nerve-blocks-in-anticoagulated-patients-case-series
#13
Luis Eduardo Silveira Martins, Leonardo Henrique Cunha Ferraro, Alexandre Takeda, Masashi Munechika, Maria Angela Tardelli
BACKGROUND AND OBJECTIVES: The advent of ultrasound has brought many benefits to peripheral nerve blocks. It includes both safety and effectiveness, given the possibility of visualizing the neurovascular structures and the needle during the procedure. Despite these benefits, there is no consensus in the literature on the use of this technique in anticoagulated patients or with other coagulation disorders. Moreover, peripheral blocks vary in depth, spreadability, and possibility of local compression...
January 2017: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/27955918/dexmedetomidine-added-to-local-anesthetic-mixture-of-lidocaine-and-ropivacaine-enhances-onset-and-prolongs-duration-of-a-popliteal-approach-to-sciatic-nerve-blockade
#14
Xiawei Hu, Jinlei Li, Riyong Zhou, Quanguang Wang, Fangfang Xia, Thomas Halaszynski, Xuzhong Xu
PURPOSE: A literature review of multiple clinical studies on mixing additives to improve pharmacologic limitation of local anesthetics during peripheral nerve blockade revealed inconsistency in success rates and various adverse effects. Animal research on dexmedetomidine as an adjuvant on the other hand has promising results, with evidence of minimum unwanted results. This randomized, double-blinded, contrastable observational study examined the efficacy of adding dexmedetomidine to a mixture of lidocaine plus ropivacaine during popliteal sciatic nerve blockade (PSNB)...
January 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/27902645/effect-of-nerve-stimulation-use-on-the-success-rate-of-ultrasound-guided-subsartorial-saphenous-nerve-block-a-randomized-controlled-trial
#15
Shaylyn H Montgomery, Colleen M Shamji, Grace S Yi, Cynthia H Yarnold, Stephen J Head, Scott C Bell, Stephan K W Schwarz
BACKGROUND AND OBJECTIVES: Ultrasound-guided subsartorial saphenous nerve block is commonly used to provide complete surgical anesthesia of the foot and ankle in combination with a popliteal sciatic nerve block. However, in part owing to its small caliber and absence of a prominent vascular landmark in the subsartorial plane distal to the adductor canal, the saphenous nerve is more difficult to reliably block than the sciatic nerve in the popliteal fossa. Although the saphenous nerve is a sensory nerve only, neurostimulation can be used to elicit a "tapping" sensation on the anteromedial aspect of the lower leg extending toward the medial malleolus...
January 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27773221/3d-ultrasound-estimation-of-the-effective-volume-for-popliteal-block-at-the-level-of-division
#16
X Sala-Blanch, J Franco, R Bergé, R Marín, A M López, M Agustí
Local anaesthetic injection between the tibial and commmon peroneal nerves within connective tissue sheath results in a predictable diffusion and allows for a reduction in the volume needed to achieve a consistent sciatic popliteal block. Using 3D ultrasound volumetric acquisition, we quantified the visible volume in contact with the nerve along a 5cm segment. METHODS: We included 20 consecutive patients scheduled for bunion surgery. Ultrasound guided popliteal block was performed using a posterior, out of plane approach at the level of división of the sciatic nerve...
October 20, 2016: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/27687448/the-effect-of-obesity-on-the-anatomical-relationship-of-the-popliteal-artery-and-tibial-nerve-in-the-proximal-and-distal-popliteal-fossa-relevance-to-popliteal-sciatic-nerve-block-and-a-traceback-technique-using-the-popliteal-artery
#17
Glenn E Woodworth, Jason Trujillo, Erik Foss, Michael Semenza
STUDY OBJECTIVE: To determine the effect of body mass index (BMI) on the relationship of the popliteal artery to the sciatic and tibial nerves in the popliteal fossa. DESIGN: Prospective, observational study. SETTING: University medical center. SUBJECTS: One hundred patients scheduled for magnetic resonance imaging scans of the knee. MEASUREMENTS: BMI was recorded and magnetic resonance imaging scans were assessed at 3 different measurement points along the femur for the distance and angle between the popliteal artery and tibial nerve, or sciatic nerve if the sciatic nerve had not bifurcated at the measurement point...
November 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27672017/effectiveness-of-headless-bioabsorbable-screws-for-fixation-of-the-scarf-osteotomy
#18
Jin Su Kim, Hun Ki Cho, Ki Won Young, Sang Young Lee, Ji Soo Kim, Kyoungtae Lee
BACKGROUND: Scarf osteotomy has been used in hallux valgus surgery due to its large fixation surface for screws and low postoperative complications. However, screws may cause skin irritation from their head, which may require an additional surgical procedure to remove. METHODS: This study included 115 patients (106 females and 9 males, 115 feet) who underwent hallux valgus correction with a scarf osteotomy using bioabsorbable screws between September 2010 and September 2012...
November 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27662064/necrotizing-fasciitis-as-a-complication-of-a-continuous-sciatic-nerve-catheter-using-the-lateral-popliteal-approach
#19
Daltry Dott, Christopher Canlas, Christopher Sobey, William Obremskey, Andrew Brian Thomson
OBJECTIVE: Necrotizing fasciitis is an infection of the soft tissue that is characterized by rapidly spreading inflammation and subsequent necrosis. It is a rare complication of peripheral nerve blocks. We report a rare case of necrotizing fasciitis after placement of a peripheral nerve catheter. CASE REPORT: A 58-year-old woman presented for an elective right second metatarsal resection and received a sciatic nerve catheter for postoperative pain control. On postoperative day 7, clinical examination and imaging supported the diagnosis of necrotizing fasciitis...
November 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27563364/lower-extremity-near-infrared-spectroscopy-after-popliteal-block-for-orthopaedic-foot-surgery
#20
Stijn Van de Velde, Alain F Kalmar, Matthias Raes, Jan Poelaert, Tom Lootens, Henk Vanoverschelde
BACKGROUND: Noninvasive measurement of cutaneous tissue oxygenation using near-infrared spectroscopy (NIRS) has become common in peri-operative care. Following institution of peripheral nerve blocks, neurovascular alterations in the blocked region have been described. OBJECTIVE: The primary aim of this study encompassed the assessment of the influence of a popliteal block on changes in regional oxygen saturation (SrO2), and the location of most prominent changes...
2016: Open Orthopaedics Journal
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