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Saphenous nerve catheter

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https://www.readbyqxmd.com/read/27688037/hydrodisplacement-of-sural-nerve-for-safety-and-efficacy-of-endovenous-thermal-ablation-for-small-saphenous-vein-incompetence
#1
Omar Rodriguez-Acevedo, Kristen E Elstner, Kui Martinic, Aaron Zea, Jenny Diaz, Rodrigo T Martins, Fernando Arduini, Alexandra Hodgkinson, Nabeel Ibrahim
BACKGROUND: Endovenous radio frequency ablation for small saphenous vein incompetence by and large appears to be superior and safer than conventional open surgery. Small saphenous vein ablation from approximately mid-calf to the point proximally where the small saphenous vein dives into the popliteal fossa is considered to be safe, as the sural nerve is in most cases separated from this segment of the small saphenous vein by the deep fascia. The outcome of the distal incompetent small saphenous vein remains unclear...
September 29, 2016: Phlebology
https://www.readbyqxmd.com/read/27007076/the-risk-of-falls-after-total-knee-arthroplasty-with-the-use-of-a-femoral-nerve-block-versus-an-adductor-canal-block-a-double-blinded-randomized-controlled-study
#2
RANDOMIZED CONTROLLED TRIAL
Nabil M Elkassabany, Sean Antosh, Moustafa Ahmed, Charles Nelson, Craig Israelite, Ignacio Badiola, Lu F Cai, Rebekah Williams, Christopher Hughes, Edward R Mariano, Jiabin Liu
BACKGROUND: Adductor canal block (ACB) has emerged as an appealing alternative to femoral nerve block (FNB) that produces a predominantly sensory nerve block by anesthetizing the saphenous nerve. Studies have shown greater quadriceps strength preservation with ACB compared with FNB, but no advantage has yet been shown in terms of fall risk. The Tinetti scale is used by physical therapists to assess gait and balance, and total score can estimate a patient's fall risk. We designed this study to test the primary hypothesis that FNB results in a greater proportion of "high fall risk" patients postoperatively using the Tinetti score compared with ACB...
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
#3
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/26807391/postoperative-sciatic-and-femoral-or-saphenous-nerve-blockade-for-lower-extremity-surgery-in-anesthetized-adults
#4
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/25851020/combined-saphenous-and-sciatic-catheters-for-analgesia-after-major-ankle-surgery-a-double-blinded-randomized-controlled-trial
#5
RANDOMIZED CONTROLLED TRIAL
Anne K Fisker, Bo N Iversen, Steffen Christensen, Frank Linde, Kristian K Nielsen, Jens Børglum, Thomas F Bendtsen
PURPOSE: Continuous sciatic nerve block is used for pain management following major ankle surgery. Pain from the saphenous nerve territory often persists. We conducted a double-blinded randomized placebo-controlled trial to evaluate the effect of a supplementary saphenous catheter in the proximal thigh combined with a popliteal sciatic catheter and single-shot saphenous nerve block after major ankle surgery. METHODS: Fifty patients received both sciatic and saphenous continuous catheters inserted along the short axis of the nerves with ultrasound-guidance...
August 2015: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/25791369/a-novel-suture-method-to-place-and-adjust-peripheral-nerve-catheters
#6
C Rothe, C Steen-Hansen, M H Madsen, L H Lundstrøm, R Heimburger, K E Jensen, K H W Lange
We have developed a peripheral nerve catheter, attached to a needle, which works like an adjustable suture. We used in-plane ultrasound guidance to place 45 catheters close to the femoral, saphenous, sciatic and distal tibial nerves in cadaver legs. We displaced catheters after their initial placement and then attempted to return them to their original positions. We used ultrasound to evaluate the initial and secondary catheter placements and the spread of injectate around the nerves. In 10 cases, we confirmed catheter position by magnetic resonance imaging...
July 2015: Anaesthesia
https://www.readbyqxmd.com/read/25558190/0-5-levobupivacaine-versus-0-5-ropivacaine-are-they-different-in-ultrasound-guided-sciatic-block
#7
Charles Pham Dang, Cécile Langlois, Chantal Lambert, Jean-Michel Nguyen, Karim Asehnoune, Corinne Lejus
CONTEXT AND AIMS: Little is known about onset and duration of sciatic block after 0.5% levobupivacaine (Levo) versus 0.5% ropivacaine (Ropi) for ultrasound-guided technique. We assessed these parameters in the ultrasound-guided block, to know for the practice. SETTING AND DESIGN: A comparative randomized double-blind study was conducted in the University Hospital. MATERIALS AND METHODS: Were included 35 adults of ASA I-II, scheduled for foot surgery, presenting clear imaging of their sciatic nerve at mid-thigh...
January 2015: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/25307883/general-anesthesia-to-catheterize-or-not-a-prospective-randomized-controlled-study-of-patients-undergoing-total-knee-arthroplasty
#8
RANDOMIZED CONTROLLED TRIAL
ZeYu Huang, Jun Ma, Bin Shen, FuXing Pei
This study was to investigate whether urinary catheterization could be avoided for patients undergoing total knee arthroplasty (TKA) under general anesthesia with saphenous nerve block. 314 patients from a single surgical team were randomized to receive either an indwelling urinary catheter or no urinary catheter before the surgery. The results revealed that the prevalence of postoperative urinary retention (POUR) was quite low in both groups (5.7% vs 6.4%, P=1). Additionally, the prevalence of urinary tract infection was significantly higher in patients using an indwelling catheter (5...
March 2015: Journal of Arthroplasty
https://www.readbyqxmd.com/read/25154949/a-randomized-comparison-of-proximal-and-distal-ultrasound-guided-adductor-canal-catheter-insertion-sites-for-knee-arthroplasty
#9
RANDOMIZED CONTROLLED TRIAL
Edward R Mariano, T Edward Kim, Michael J Wagner, Natasha Funck, T Kyle Harrison, Tessa Walters, Nicholas Giori, Steven Woolson, Toni Ganaway, Steven K Howard
OBJECTIVES: Proximal and distal (mid-thigh) ultrasound-guided continuous adductor canal block techniques have been described but not yet compared, and infusion benefits or side effects may be determined by catheter location. We hypothesized that proximal placement will result in faster onset of saphenous nerve anesthesia, without additional motor block, compared to a distal technique. METHODS: Preoperatively, patients receiving an ultrasound-guided nonstimulating adductor canal catheter for knee arthroplasty were randomly assigned to either proximal or distal insertion...
September 2014: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/25062704/infrapatellar-saphenous-neuralgia-after-tka-can-be-improved-with-ultrasound-guided-local-treatments
#10
Steven Clendenen, Roy Greengrass, Joseph Whalen, Mary I O'Connor
BACKGROUND: Current opinion suggests that in some patients, chronic pain after total knee arthroplasty (TKA) has a neuropathic origin. Injury to the infrapatellar branch of the saphenous nerve (IPSN) has been implicated as a cause of medial knee pain; however, local treatments for this condition remain controversial. QUESTIONS/PURPOSES: We sought to explore the efficacy of local treatment to the IPSN in patients with persistent medial knee pain after TKA. METHODS: In this retrospective series, 16 consecutive patients with persistent medial knee pain after primary or revision TKA were identified after other potential etiologies of knee pain were excluded...
January 2015: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/24826395/midterm-results-of-radiofrequency-ablation-for-incompetent-small-saphenous-vein-in-terms-of-recanalization-and-sural-neuritis
#11
Jae Young Park, Azimbaev Galimzahn, Hyung Sub Park, Young Sun Yoo, Taeseung Lee
BACKGROUND: Safety and effectiveness of radiofrequency ablation for incompetent small saphenous vein is not established. OBJECTIVE: To report midterm clinical and ultrasonograhic results of radiofrequency ablation (RFA) for small saphenous vein (SSV) in terms of recanalization and sural neuritis. METHODS AND MATERIALS: We examined 39 patients (46 limbs) who had been examined using a duplex scan more than 1 year after RFA of SSV. Postoperative clinical results, risk factors for SSV recanalization, and sural neuritis were analyzed...
April 2014: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/24124269/analgesic-and-motor-effects-of-a-high-volume-intercoccygeal-epidural-injection-of-0-125-or-0-0625-bupivacaine-in-adult-cows
#12
RANDOMIZED CONTROLLED TRIAL
Eva Rioja, Luis M Rubio-Martínez, Gabrielle Monteith, Carolyn L Kerr
The objectives of this study were to determine the analgesic and motor effects of a high-volume intercoccygeal epidural injection of bupivacaine at 2 concentrations in cows. A prospective, randomized, blinded, crossover trial was conducted on 6 adult cows. An indwelling epidural catheter was placed in the first intercoccygeal space and advanced 10 cm cranially. All the cows received 3 treatments with a washout period of 48 h: saline (control), 0.125% bupivacaine (high dose), or 0.0625% bupivacaine (low dose), at a final volume of 0...
October 2013: Canadian Journal of Veterinary Research, Revue Canadienne de Recherche Vétérinaire
https://www.readbyqxmd.com/read/23969489/retrograde-mechanico-chemical-endovenous-ablation-of-infrageniculate-great-saphenous-vein-for-persistent-venous-stasis-ulcers
#13
Leo P Sullivan, Giang Quach, Tina Chapman
OBJECTIVE: To present the use of retrograde mechanico-chemical endovenous ablation for ablating the remaining below-knee great saphenous vein in patients with venous stasis ulcers persisting after above-knee great saphenous vein ablation. METHODS: This small study includes six patients with persistent C6EpAsPr ulcers following above-knee great saphenous vein ablation with no incompetent perforators. They were treated using retrograde mechanico-chemical endovenous ablation approach followed by Unna therapy, followed up on post op days 3 and 30 with ultrasound, and subsequent weekly visits until the wound healed...
December 2014: Phlebology
https://www.readbyqxmd.com/read/23222363/continuous-saphenous-nerve-block-as-supplement-to-single-dose-local-infiltration-analgesia-for-postoperative-pain-management-after-total-knee-arthroplasty
#14
RANDOMIZED CONTROLLED TRIAL
Henning Lykke Andersen, Jens Gyrn, Lars Møller, Bodil Christensen, Dusanka Zaric
BACKGROUND AND OBJECTIVES: Local infiltration analgesia (LIA) reduces pain after total knee arthroplasty without the motor blockade associated with epidural analgesia or femoral nerve block. However, the duration and efficacy of LIA are not sufficient. A saphenous nerve block, in addition to single-dose LIA, may improve analgesia without interfering with early mobilization. METHODS: Forty patients were included in this double-blind randomized controlled trial. All patients received spinal anesthesia for surgery and single-dose LIA during the operation...
March 2013: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/23074413/endovascular-radiofrequency-ablation-for-varicose-veins-an-evidence-based-analysis
#15
(no author information available yet)
OBJECTIVE: The objective of the MAS evidence review was to conduct a systematic review of the available evidence on the safety, effectiveness, durability and cost-effectiveness of endovascular radiofrequency ablation (RFA) for the treatment of primary symptomatic varicose veins. BACKGROUND: The Ontario Health Technology Advisory Committee (OHTAC) met on August 26th, 2010 to review the safety, effectiveness, durability, and cost-effectiveness of RFA for the treatment of primary symptomatic varicose veins based on an evidence-based review by the Medical Advisory Secretariat (MAS)...
2011: Ontario Health Technology Assessment Series
https://www.readbyqxmd.com/read/22503186/the-surgical-anatomy-of-the-small-saphenous-vein-and-adjacent-nerves-in-relation-to-endovenous-thermal-ablation
#16
Anton L A Kerver, Arie C van der Ham, Hilco P Theeuwes, Paul H C Eilers, Alex R Poublon, Albertus J H Kerver, Gert-Jan Kleinrensink
BACKGROUND: Thermal damage to peripheral nerves is a known complication of endovenous thermal ablation (EVA) of the small saphenous vein (SSV). Therefore, the main objective of this anatomic study was to define a safe zone in the lower leg where EVA of the SSV can be performed safely. METHODS: The anatomy of the SSV and adjacent nerves was studied in 20 embalmed human specimens. The absolute distances between the SSV and the sural nerve (SN) (closest/nearest branch) were measured over the complete length of the leg (>120 data points per leg), and the presence of the interlaying deep fascia was mapped...
July 2012: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/22322118/aneurysmal-degeneration-of-the-donor-artery-after-vascular-access
#17
COMPARATIVE STUDY
Jean Marzelle, Valbon Gashi, Hong-Duyen Nguyen, Albert Mouton, Jean-Pierre Becquemin, Pierre Bourquelot
OBJECTIVE: This retrospective study analyzed the characteristics, potential risks, and therapeutic options of true aneurysms of the donor artery in arteriovenous fistulas (AVFs) for dialysis access. METHODS: We retrospectively collected data of patients with aneurysmal degeneration (AD) after AVF creation from surgeons who were members of the French Society for Vascular Access, treated from January 2006 to May 2011. The study excluded patients with pseudoaneurysms...
April 2012: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/22246092/a-prospective-comparison-of-four-methods-of-endovenous-thermal-ablation
#18
COMPARATIVE STUDY
Lukasz Dzieciuchowicz, Zbigniew Krasiński, Marcin Gabriel, Gaudencio Espinosa
The aim of the study was to compare clinical and duplex Doppler results of treatment of varicose veins with four methods of endovenous thermal ablation (EVTA).Material and methods. The results of treatment of varicose veins with 980 nm laser (EVLA980) in 67 extremities, with a radiofrequency ablation (RFA) in 43 extremities, with 810 nm laser (EVLA810) in 46 extremities and with 1470 nm laser (EVLA1470) in 15 extremities were prospectively analyzed. The data on patients' demographics, weight, stage of the venous disease, type of anesthesia, duration of the procedure, linear energy density (LED) applied, intra- and postoperative complications were collected...
November 2011: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/21772257/safety-and-feasibility-of-high-pressure-transvenous-limb-perfusion-with-0-9-saline-in-human-muscular-dystrophy
#19
Zheng Fan, Keith Kocis, Robert Valley, James F Howard, Manisha Chopra, Hongyu An, Weili Lin, Joseph Muenzer, William Powers
We evaluated safety and feasibility of the transvenous limb perfusion gene delivery method in muscular dystrophy. A dose escalation study of single limb perfusion with 0.9% saline starting with 5% of limb volume was carried out in adults with muscular dystrophies under intravenous analgesia/anesthesia. Cardiac, vascular, renal, muscle, and nerve functions were monitored. A tourniquet was placed above the knee with inflated pressure of 310 mm Hg. Infusion was carried out with a clinically approved infuser via an intravenous catheter inserted in the saphenous vein with a goal infusion rate of 80 ml/minute...
February 2012: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/21658887/endovenous-ablation-of-incompetent-perforating-veins-is-effective-treatment-for-recalcitrant-venous-ulcers
#20
Peter F Lawrence, Ali Alktaifi, David Rigberg, Brian DeRubertis, Hugh Gelabert, Juan Carlos Jimenez
OBJECTIVES: Endovenous closure of incompetent saphenous veins has been reported to facilitate venous ulcer healing; however, there is little information about the effectiveness of perforator ablation (PA) in healing recalcitrant venous ulcers. We report our experience with PA with venous ulcers unresponsive to prolonged compression therapy. METHODS: Patients with nonhealing venous ulcers of >3 months' duration underwent duplex ultrasound to assess their lower extremity venous system for incompetence of superficial, perforating, and deep veins...
September 2011: Journal of Vascular Surgery
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