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Sciatic catheter

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https://www.readbyqxmd.com/read/28277419/complications-after-continuous-posterior-lumbar-plexus-blockade-for-total-hip-arthroplasty-a-retrospective-cohort-study
#1
Catherine W Njathi, Rebecca L Johnson, Ruple S Laughlin, Darrell R Schroeder, Adam K Jacob, Sandra L Kopp
BACKGROUND AND OBJECTIVES: While benefits of regional anesthesia in total hip arthroplasty (THA) are well documented, data describing the incidence of complications related to the use of posterior lumbar plexus blockade for THA remain limited. Our primary aim was to evaluate the incidence of infectious, bleeding, and neurological complications related specifically to the use of continuous posterior lumbar plexus block for elective THA. METHODS: We reviewed the electronic medical records of all adult patients who underwent elective THA with continuous posterior lumbar plexus blockade between December 1, 2004, and April 30, 2015, using the Mayo Clinic Total Joint Registry...
March 8, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28184270/randomized-comparison-of-popliteal-sciatic-perineural-catheter-tip-migration-and-dislocation-in-a-cadaver-model-using-two-catheter-designs
#2
Lauren Steffel, Steven K Howard, Lindsay Borg, Edward R Mariano, Jody C Leng, T Edward Kim
BACKGROUND: New catheter-over-needle (CON) technology for continuous peripheral nerve blockade has emerged, but its effect on the risk of perineural catheter tip dislocation is unknown. Less flexible catheters may be more likely to migrate away from the nerve with simulated patient movement. In the present study, we evaluated catheter tip migration between CON catheters and traditional catheter-through-needle (CTN) catheters during ultrasound-guided short-axis in-plane (SAX-IP) insertion...
February 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28033159/effect-of-perineural-dexamethasone-on-the-duration-of-single-injection-saphenous-nerve-block-for-analgesia-after-major-ankle-surgery-a-randomized-controlled-study
#3
Siska Bjørn, Frank Linde, Kristian K Nielsen, Jens Børglum, Rasmus Wulff Hauritz, Thomas Fichtner Bendtsen
BACKGROUND AND OBJECTIVES: Patients undergoing major elective ankle surgery often experience pain from the saphenous nerve territory persisting beyond the duration of a single-injection saphenous nerve block. We hypothesized that perineural dexamethasone as an adjuvant for the saphenous nerve block prolongs the duration of analgesia and postpones as well as reduces opioid-requiring pain. METHODS: Forty patients were included in this prospective, randomized, controlled study...
March 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27920572/home-peripheral-nerve-catheters-the-first-24-months-of-experience-at-a-children-s-hospital
#4
Andrew Gable, Candice Burrier, Jenna Stevens, Sharon Wrona, Kevin Klingele, Tarun Bhalla, David P Martin, Giorgio Veneziano, Joseph D Tobias
CONTEXT: Home peripheral nerve catheters (PNCs) have become common practice for adult patients after major orthopedic surgery. However, use in pediatric patients is a recent application. OBJECTIVES: The purpose of this study was to review the demographics and outcomes of pediatric patients receiving a PNC at our institution. METHODS: This retrospective study included patients from October 2012 through October 2014 undergoing orthopedic procedures with a PNC placed for postoperative pain management...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27734492/a-randomised-controlled-trial-comparing-two-popliteal-nerve-catheter-tip-positions-for-postoperative-analgesia-after-day-case-hallux-valgus-repair
#5
A L Ambrosoli, L Guzzetti, M Chiaranda, S Cuffari, M Gemma, G Cappelleri
We compared the effect of two different positions of a sciatic nerve catheter within the popliteal fossa on local anaesthetic consumption and postoperative analgesia in patients undergoing day-case hallux valgus repair. Eighty-four patients were randomly allocated to receive a sciatic nerve catheter either between the tibial and peroneal components (sciatic group) or medial to the tibial nerve (tibial group). The primary endpoint was postoperative local anaesthetic consumption, while secondary endpoints were pain scores, number of occasions where sleep was disturbed by pain and incidence of insensate limb and foot drop at 24 h and 48 h postoperatively...
November 2016: Anaesthesia
https://www.readbyqxmd.com/read/27682287/postoperative-pain-relief-and-functional-outcome-following-total-knee-arthroplasty-a-prospective-comparative-audit-of-three-analgesic-regimes
#6
A Rajeev, N Tumia, K Karn, S Kashyap, D Mayne
Pain control plays a key role in joint-replacement -surgery. As a surgeon the challenge is to reduce pain to an acceptable level in the post-operative period. The aim of the study was to assess the efficacy of bolus -local anaesthesia, infusion in to the surgical site and nerve blocks with femoral nerve catheter and its functional outcome. A prospective audit of 114 patients undergoing total knee arthroplasty were carried out.The patients were divided in to three groups : Group 1 (n = 27) received a bolus injection of 20 ml 0...
August 2016: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/27662064/necrotizing-fasciitis-as-a-complication-of-a-continuous-sciatic-nerve-catheter-using-the-lateral-popliteal-approach
#7
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/27612852/peripheral-nerve-conduction-abnormalities-precede-morphological-alterations-in-an-experimental-rat-model-of-sepsis
#8
Arisa Miura, Hirofumi Hino, Kazuhide Uchida, Soichiro Inoue, Takeshi Tateda
PURPOSE: The pathological mechanisms of critical illness polyneuropathy (CIP), an acute neuromuscular disorder, remain unknown. In this study, we evaluated nerve and vascular properties that might account for electrophysiological abnormalities, including reduced nerve conduction amplitude, in the early phase of CIP. METHODS: Rats were administered intravenous saline (C-group; n = 31) or lipopolysaccharide (3 mg/kg/day; L-group; n = 30) for 48 h. Subsequently, tracheotomy was performed and sciatic nerves exposed bilaterally...
September 9, 2016: Journal of Anesthesia
https://www.readbyqxmd.com/read/27440634/displacement-of-popliteal-sciatic-nerve-catheters-after-major-foot-and-ankle-surgery-a-randomized-controlled-double-blinded-magnetic-resonance-imaging-study
#9
R W Hauritz, E M Pedersen, F S Linde, K Kibak, J Børglum, S Bjoern, T F Bendtsen
BACKGROUND: Popliteal sciatic nerve catheters (PSNCs) are associated with a high frequency of displacement. We aimed to estimate the frequency of catheter displacement after 48 h with magnetic resonance imaging (MRI) in patients with PSNCs after major foot and ankle surgery randomized to catheter insertion either with a short-axis in-plane (SAX-IP) approach perpendicular to the nerve or with a short-axis out-of-plane (SAX-OOP) approach parallel to the nerve. METHODS: Forty patients were randomly allocated to SAX-IP or SAX-OOP PSNC...
August 2016: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/27374441/-role-of-dna-methyltransferases-in-the-pathogenesis-of-neuropathic-pain-in-rats
#10
Ying Wang, Qulian Guo, Jianqin Yan, Minghua Yang, Yan Lin, Zhiping Lin
OBJECTIVE: To explore the role of DNA methyltransferases (DNMTs) in the pathogenesis of neuropathic pain (NPP) in rats following sciatic nerve chronic constriction injury (CCI).
 METHODS: A total of 27 adult male Sprague-Dawley rats with successful implantation of lumbar intrathecal catheter were randomly divided into 3 groups: a sham + normal saline group (sham+NS group), a CCI+NS group, and a CCI+5-azacytidine group (CCI+5-AZA group) (n=9 in each group). The rats in the Sham+NS group and the CCI+NS group received NS, while the rats in the CCI+5-AZA group received 10 μmol/L of 5-AZA (a DNMTs inhibition) once a day through spinal injection from the 3th day to 14th day after CCI surgery...
June 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27366104/successful-treatment-of-raynaud-s-syndrome-in-a-lupus-patient-with-continuous-bilateral-popliteal-sciatic-nerve-blocks-a-case-report
#11
Thuan Dao, David Amaro-Driedger, Jaideep Mehta
Raynaud's syndrome has been treated medically and invasively, sometimes with regional anesthesia leading up to sympathectomy. We demonstrate that regional anesthesia was in this case a useful technique that can allow some patients to find temporary but significant relief from symptoms of Raynaud's syndrome exacerbation. We present a 43-year-old woman with Raynaud's syndrome secondary to lupus who was treated with bilateral popliteal nerve block catheters for ischemic pain and necrosis of her feet; this led to almost immediate resolution of her pain and return of color and function of her feet...
2016: Local and Regional Anesthesia
https://www.readbyqxmd.com/read/27185669/opioid-consumption-in-total-knee-arthroplasty-patients-a-retrospective-comparison-of-adductor-canal-and-femoral-nerve-continuous-infusions-in-the-presence-of-a-sciatic-nerve-catheter
#12
COMPARATIVE STUDY
Alberto E Ardon, Steven R Clendenen, Steven B Porter, Christopher B Robards, Roy A Greengrass
OBJECTIVE: To compare opioid consumption among patients who receive a continuous adductor canal block (ACB) versus continuous femoral nerve block (FB) for total knee arthroplasty analgesia in the presence of an intermittent sciatic nerve catheter (iSB). DESIGN: Matched cohort retrospective study. SETTING: Mayo Clinic, Jacksonville, FL. PATIENTS: Ninety patient charts were included in this study: 45 patients with continuous ACB/iSB and 45 with continuous FB/iSB...
June 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27111083/novel-protocol-for-knee-mobilization-under-femoral-and-sciatic-nerve-blocks-for-postoperative-knee-stiffness
#13
Florian Wanivenhaus, Philippe M Tscholl, José A Aguirre, René Giger, Sandro F Fucentese
The purpose of this study was to evaluate the effectiveness of intermittent femoral and sciatic nerve blocks combined with an in-house physiotherapy protocol for treating postoperative knee stiffness. Sixty-eight patients with postoperative knee stiffness were evaluated for passive knee flexion and extension at different time points, beginning preoperatively and continuing throughout a median 10-month follow-up after mobilization intervention. Sciatic and femoral nerve catheters were activated 1 hour prior to each physiotherapy session, which was performed twice per day and supported by a continuous passive range of motion machine...
July 1, 2016: Orthopedics
https://www.readbyqxmd.com/read/26976722/novel-intrathecal-and-subcutaneous-catheter-delivery-systems-in-the-mouse
#14
Folabomi A Oladosu, Brittney P Ciszek, Sandra C O'Buckley, Andrea G Nackley
BACKGROUND: Catheter systems that permit targeted delivery of genes, molecules, ligands, and other agents represent an investigative tool critical to the development of clinically relevant animal models that facilitate the study of neurological health and disease. The development of new sustained catheter delivery systems to spinal and peripheral sites will reduce the need for repeated injections, while ensuring constant levels of drug in plasma and tissues. NEW METHOD: Here, we introduce two novel catheter delivery systems in the mouse: the O'Buckley intrathecal catheter system for sustained delivery to the spinal region and a subcutaneous bifurcated catheter system for sustained drug delivery to both hindpaws...
May 1, 2016: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/26973454/inducing-chronic-excitotoxicity-in-the-mouse-spinal-cord-to-investigate-lower-motor-neuron-degeneration
#15
Catherine A Blizzard, K M Lee, Tracey C Dickson
We report the methodology for the chronic delivery of an excitotoxin to the mouse spinal cord via surgically implanted osmotic mini-pumps. Previous studies have investigated the effect of chronic application of excitotoxins in the rat, however there has been little translation of this model to the mouse. Using mice that express yellow fluorescent protein (YFP), motor neuron and neuromuscular junction alterations can be investigate following targeted, long-term (28 days) exposure to the α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor excitotoxin, kainic acid...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/26962712/continuous-popliteal-sciatic-blocks-does-varying-perineural-catheter-location-relative-to-the-sciatic-bifurcation-influence-block-effects-a-dual-center-randomized-subject-masked-controlled-clinical-trial
#16
RANDOMIZED CONTROLLED TRIAL
Amanda M Monahan, Sarah J Madison, Vanessa J Loland, Jacklynn F Sztain, Michael L Bishop, NavParkash S Sandhu, Richard H Bellars, Bahareh Khatibi, Alexandra K Schwartz, Sonya S Ahmed, Michael C Donohue, Scott T Nomura, Cindy H Wen, Brian M Ilfeld
BACKGROUND: Multiple studies have demonstrated that, for single-injection popliteal sciatic nerve blocks, block characteristics are dependent upon local anesthetic injection relative to the sciatic nerve bifurcation. In contrast, this relation remains unexamined for continuous popliteal sciatic nerve blocks. We, therefore, tested the hypothesis that postoperative analgesia is improved with the perineural catheter tip at the level of the bifurcation compared with 5 cm proximal to the bifurcation...
May 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/26897449/peripheral-nerve-blocks-in-patients-with-ehlers-danlos-syndrome-hypermobility-type-a-report-of-2-cases
#17
Michael S Patzkowski
Ehlers-Danlos syndrome is an inherited disorder of collagen production that results in multiorgan dysfunction. Patients with hypermobility type display skin hyperextensibility and joint laxity, which can result in chronic joint instability, dislocation, peripheral neuropathy, and severe musculoskeletal pain. A bleeding diathesis can be found in all subtypes of varying severity despite a normal coagulation profile. There have also been reports of resistance to local anesthetics in these patients. Several sources advise against the use of regional anesthesia in these patients citing the 2 previous features...
March 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/26810904/intermittent-versus-continuous-sciatic-block-combined-with-femoral-block-for-patients-undergoing-knee-arthroplasty-a-randomized-controlled-trial
#18
Stefan Soltesz, Dorothee Meiger, Susanne Milles-Thieme, Guido Saxler, Stephan Ziegeler
PURPOSE: Many institutions perform peripheral femoral and/or sciatic nerve blocks for analgesia after total knee arthroplasty. The aim of the present investigation was to compare the analgesic effect of an intermittent sciatic block (boluses on demand only) with a continuous infusion. METHODS: One hundred and forty patients receiving a femoral and a sciatic nerve block (SNB) by catheter were assessed. The femoral catheter was infused continuously in both groups...
September 2016: International Orthopaedics
https://www.readbyqxmd.com/read/26807391/postoperative-sciatic-and-femoral-or-saphenous-nerve-blockade-for-lower-extremity-surgery-in-anesthetized-adults
#19
Loreto Lollo, Sanjay Bhananker, Agnes Stogicza
BACKGROUND: Guidelines warn of increased risks of injury when placing regional nerve blocks in the anesthetized adult but complications occurred in patients that received neither sedation nor local anesthetic. This restriction of nerve block administration places vulnerable categories of patients at risk of severe opioid induced side effects. Patient and operative technical factors can preclude use of preoperative regional anesthesia. The purpose of this study was to assess complications following sciatic popliteal and femoral or saphenous nerve blockade administered to anesthetized adult patients following foot and ankle surgery...
October 2015: International Journal of Critical Illness and Injury Science
https://www.readbyqxmd.com/read/26601976/-sciatic-perineural-catheters-an-alternative-analgesia-for-diabetic-patients
#20
Elodie Schaeffer, Frédéric Le Saché, Olivier Bourron, Elisabeth Collin, Olivier Langeron, Aurélie Birenbaum
INTRODUCTION: Patients with diabetes mellitus have chronic neuropathic pain. The aim of our study was to 1) evaluate the feasibility of providing analgesia with a long-term sciatic perineural catheter in a medical unit for diabetic patients and 2) evaluate its effectiveness. METHODS: A prospective, monocentric, non-randomized study was conducted over two years. All diabetic patients with an ineffective optimal systemic treatment were included. Written consent was obtained...
April 2016: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
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