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Ultrasound guided nerve blocks

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https://www.readbyqxmd.com/read/29035937/ultrasound-detection-of-arteria-comitans-a-novel-technique-to-locate-the-sciatic-nerve
#1
Hesham Elsharkawy, Babak Kateby Kashy, Rovnat Babazade, Andrew T Gray
In the gluteal and thigh region, the arteria comitans accompanies the sciatic nerve for a short distance, then penetrates the nerve and runs to the lower part of the thigh. There is no study that recognizes this artery as a guide to the location of the sciatic nerve. In this report, we describe a series of 6 knee arthroplasty patients in whom ultrasound-guided sciatic nerve block was successfully performed using color Doppler and pulsed wave Doppler to visualize the arteria comitans as a guide to the location of the sciatic nerve...
October 13, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29034961/a-randomized-trial-of-automated-intermittent-ropivacaine-administration-vs-continuous-infusion-in-an-interscalene-catheter
#2
J Oxlund, A H Clausen, S Venø, M D Nielsen, M Pall, T Strøm, P Toft
BACKGROUND: Ultrasound-guided interscalene nerve block with ropivacaine as local anesthetic agent given as boluses or continuous infusion is the preferred pain management after major shoulder surgery. The use of automated intermittent boluses has been shown to be superior to continuous infusion in sciatic and epidural nerve block. HYPOTHESIS: Automated intermittent boluses reduce pain after major shoulder surgery. METHODS: Seventy patients aged 18-75 years, scheduled for major shoulder surgery under general anesthesia with interscalene nerve block were included in this randomized controlled trial...
October 16, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/29030933/technical-success-of-the-ultrasound-guided-supra-inguinal-fascia-iliaca-compartment-block-in-older-children-and-adolescents-for-hip-arthroscopy
#3
Elizabeth Eastburn, Maria A Hernandez, Karen Boretsky
BACKGROUND: Hip arthroscopic surgery is performed on older pediatric patients. Fascia iliaca compartment block has proven efficacy in providing analgesia following hip surgery and can be performed with target location of local anesthetic below or above the inguinal ligament. The reported success of ultrasound-guided infra-inguinal fascia iliaca compartment block is lower when compared to traditional landmark technique, while the reliability of supra-inguinal fascia iliaca compartment block is unreported...
November 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29027771/two-different-placement-paths-in-popliteal-fossa-with-a-novel-nerve-block-needle-with-external-indwelling-cannula-for-postoperative-analgesia-after-foot-and-ankle-surgery-a-randomized-controlled-trial
#4
Miao He, Dandan Ling, Guang-Yu Cai, Tian-Xiao Zou, Bin Yu
BACKGROUND: Previous studies have documented that single injection nearby the sciatic nerve bifurcation would influence the anesthesia and analgesia effect. But this is uncertain for preoperative continuous popliteal sciatic nerve block. So we conducted this trial to compare two paths (proximal to the bifurcation and at the bifurcation) of ultrasound guided continuous popliteal sciatic nerve block in foot and ankle surgery. METHODS: 40 recruited objects were randomly assigned to receive ultrasound-guided continuous popliteal sciatic nerve block at the puncture path proximal to the nerve bifurcation either at the nerve bifurcation...
October 12, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29027690/ultrasound-guided-posterior-femoral-cutaneous-nerve-block-a-cadaveric-study
#5
Christopher S Johnson, Rebecca L Johnson, Adam D Niesen, David E Stoike, Wojciech Pawlina
OBJECTIVES: To identify any anatomic barriers to local anesthetic spread between the sciatic nerve (SN) and the posterior femoral cutaneous nerve (PFCN) at the level of the infragluteal crease and to describe a potential technique for an ultrasound (US)-guided subgluteal PFCN block in a cadaveric model. METHODS: Bilateral US-guided subgluteal injections of a colored latex solution were performed around the SN (15 mL) and PFCN (10 mL) in 4 unembalmed cadavers, for a total of 8 cadaver thighs...
October 13, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29016551/pectoral-fascial-pecs-i-and-ii-blocks-as-rescue-analgesia-in-a-patient-undergoing-minimally-invasive-cardiac-surgery
#6
Suraj Yalamuri, Rebecca Y Klinger, W Michael Bullock, Donald D Glower, Brandi A Bottiger, Jeffrey C Gadsden
INTRODUCTION: Patients undergoing minimally invasive cardiac surgery have the potential for significant pain from the thoracotomy site. We report the successful use of pectoral nerve block types I and II (Pecs I and II) as rescue analgesia in a patient undergoing minimally invasive mitral valve repair. CASE REPORT: In this case, a 78-year-old man, with no history of chronic pain, underwent mitral valve repair via right anterior thoracotomy for severe mitral regurgitation...
October 6, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28974360/ultrasound-guided-femoral-nerve-block-using-a-ventral-suprainguinal-approach-in-healthy-dogs
#7
Sachie Shimada, Miki Shimizu, Miori Kishimoto
OBJECTIVE: To determine whether an ultrasound (US)-guided femoral nerve block using a ventral suprainguinal approach could be successfully achieved in sedated dogs; to measure the time to execute the nerve block, onset time, duration, and complete block rate in sensory and motor nerves; and to examine any differences between two volumes for injection. STUDY DESIGN: Blinded crossover experimental study. ANIMALS: A total of 10 clinically healthy adult Beagle dogs...
April 12, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28939321/ultrasound-guided-interscalene-brachial-plexus-nerve-block-with-an-ultralow-volume-of-local-anesthetic-for-post-thoracotomy-shoulder-girdle-pain
#8
Theodosios Saranteas, Anastasia Alevizou, Tatiana Sidiropoulou, Andreas Mavrogenis, Periklis Tomos, Panagiota Florou, Thomas Papadimos, Georgia Kostopanagiotou
OBJECTIVES: To evaluate the efficacy of ultrasound-guided interscalene nerve block using an ultralow volume of local anesthetic (5 mL of ropivacaine, 0.75%) for the management of post-thoracotomy shoulder girdle pain. DESIGN: Open-cohort, prospective, single-center study. SETTING: University hospital. INTERVENTIONS: Patients with post-thoracotomy shoulder girdle pain (visual analog scale [VAS] ≥5) received an ultrasound-guided interscalene nerve block...
April 26, 2017: Journal of Cardiothoracic and Vascular Anesthesia
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
#9
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...
September 20, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28934784/sonographic-guidance-for-supraclavicular-brachial-plexus-blocks-single-vs-double-injection-cluster-approach
#10
Jung Ju Choi, Hyun Jeong Kwak, Wol Seon Jung, Seung Hyun Chung, Mi Geum Lee
BACKGROUND: The cluster approach for supraclavicular brachial plexus block (SC-BPB) can be easily performed but may result in asymmetric local anesthetic (LA) spread. The authors hypothesized that the use of a cluster approach in each of the 2 planes would achieve better 3-dimensional LA distribution than the traditional single cluster approach. OBJECTIVES: The purpose of the present study was to compare a double injection (DI) in 2 planes (one injection in each plane) with the traditional single injection (SI) cluster approach for ultrasound-guided SC-BPB...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28928576/relative-efficacy-of-ultrasound-guided-ilioinguinal-iliohypogastric-nerve-block-versus-transverse-abdominis-plane-block-for-postoperative-analgesia-following-lower-segment-cesarean-section-a-prospective-randomized-observer-blinded-trial
#11
L Vamsee Kiran, T Sivashanmugam, V R Hemanth Kumar, N Krishnaveni, S Parthasarathy
BACKGROUND: Quality of postoperative analgesia after cesarean section makes difference to mother in child bonding, early ambulation, and discharge. Ilioinguinal iliohypogastric (ILIH) and transverse abdominis plane (TAP) block had been tried to reduce the opioid analgesics, but the relative efficacy is unknown. Hence, this study was designed to compare the efficacy of these two regional analgesic techniques in sparing postoperative rescue analgesic requirement following lower segment cesarean section (LSCS)...
July 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28919813/a-prospective-double-blinded-randomized-comparison-of-ultrasound-guided-femoral-nerve-block-with-lateral-femoral-cutaneous-nerve-block-versus-standard-anesthetic-management-for-pain-control-during-and-after-traumatic-femur-fracture-repair-in-the-pediatric-population
#12
Nicole M Elsey, Joseph D Tobias, Kevin E Klingele, Ralph J Beltran, Tarun Bhalla, David Martin, Giorgio Veneziano, Julie Rice, Dmitry Tumin
BACKGROUND: Traumatic injury of the femur resulting in femoral fracture may result in significant postoperative pain. As with other causes of acute pain, regional anesthesia may offer a benefit over conventional therapy with intravenous opioids. This study prospectively assesses the effects of femoral nerve blockade with a lateral femoral cutaneous nerve block (FN-LFCN) on intraoperative anesthetic requirements, postoperative pain scores, and opioid requirements. MATERIALS AND METHODS: Seventeen pediatric patients (age 2-18 years) undergoing surgical repair of a traumatic femur fracture fulfilled the study criteria and were randomly assigned to general anesthesia with either an FN-LFCN block (n = 10) or intravenous opioids (n = 7)...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28915967/the-concept-of-protective-nerve-stimulation-for-ultrasound-guided-nerve-blocks
#13
Martin Ertmer, Edda Klotz, Jürgen Birnbaum
Regional plexus and nerve blocks are a common technique in modern anesthesia. Since ultrasound machines are available in many departments, the role of nerve stimulation is highly discussed and different approaches to perform the blocks are taken into account. Common technique for electrical nerve stimulation is searching for a stimulating threshold of 0.4-0.5mA using an impulse width of 0.1ms. We present our hypothesis of using all possible information with a new concept of protective nerve stimulation together with first data supporting our theory...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28890559/comparison-of-the-post-operative-analgesic-effect-of-paravertebral-block-pectoral-nerve-block-and-local-infiltration-in-patients-undergoing-modified-radical-mastectomy-a-randomised-double-blind-trial
#14
Kartik Syal, Ankita Chandel
BACKGROUND AND AIMS: Paravertebral block, pectoral nerve (Pecs) block and wound infiltration are three modalities for post-operative analgesia following breast surgery. This study compares the analgesic efficacy of these techniques for post-operative analgesia. METHODS: Sixty-five patients with American Society of Anesthesiologists' physical status 1 or 2 undergoing modified radical mastectomy with axillary dissection were recruited for the study. All patients received 21 mL 0...
August 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28889155/comparison-of-3-different-regional-block-techniques-in-pediatric-patients-a-prospective-randomized-single-blinded-study
#15
Levent Sahin, Mahmut H Soydinc, Elzem Sen, Omer Cavus, Mehrican Sahin
To compare the analgesic efficiencies of caudal blocks, ultrasound (US)-guided transversus abdominis plane (TAP) blocks, and ilio-inguinal/ilio-hypogastric (II/IH) blocks performed to provide postoperative analgesia in pediatric patients undergoing unilateral lower abdominal surgery. Methods: This prospective, randomized, single-blinded study was conducted in the Department of Pediatric Surgery, Faculty of Medicine, Gaziantep University, Gaziantep, Turkey from July 2013 to January 2015. The doses used were as follows: 0...
September 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28868169/relieving-pain-after-arthroscopic-knee-surgery-ultrasound-guided-femoral-nerve-block-or-adductor-canal-block
#16
Poupak Rahimzadeh, Hamid Reza Faiz, Farnad Imani, Geoffrey Grant Hobika, Armaghan Abbasi, Nader D Nader
OBJECTIVE: To compare the analgesic effects of femoral nerve block (FNB) and adductor canal block (ACB) after arthroscopic knee surgery. METHODS: This was a prospective randomised clinical trial that enrolled 92 patients undergoing arthroscopic knee surgery. Ultrasound-guided FNB or ACB was performed immediately after surgery for pain relief. Visual analogue scale (VAS) scores and modified sedation-agitation scale (SAS) were recorded and analysed immediately following block and at 3, 6, 12 and 24 hours...
August 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28867151/-axillary-local-anesthetic-spread-after-the-thoracic-interfacial-ultrasound-block-a-cadaveric-and-radiological-evaluation
#17
Patricia Alfaro de la Torre, Jerry Wayne Jones, Servando López Álvarez, Paula Diéguez Garcia, Francisco Javier Garcia de Miguel, Eva Maria Monzon Rubio, Federico Carol Boeris, Monir Kabiri Sacramento, Osmany Duany, Mario Fajardo Pérez, Borja de la Quintana Gordon
BACKGROUND: Oral opioid analgesics have been used for management of peri- and postoperative analgesia in patients undergoing axillary dissection. The axillary region is a difficult zone to block and does not have a specific regional anesthesia technique published that offers its adequate blockade. METHODS: After institutional review board approval, anatomic and radiological studies were conducted to determine the deposition and spread of methylene blue and local anesthetic injected respectively into the axilla via the thoracic inter-fascial plane...
August 31, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28860790/evaluation-of-pain-during-endovenous-laser-ablation-of-the-great-saphenous-vein-with-ultrasound-guided-femoral-nerve-block
#18
Abdullah M Al Wahbi
BACKGROUND: Endoluminal laser ablation is now considered the method of choice for treating greater saphenous vein insufficiency. General anesthesia and peripheral nerve blocks with sedation have the risk of post-procedural delay in discharge and prolonged immobilization with the risk of deep vein thrombosis. The main pain experienced by patients during the procedure is during the laser ablation and the multiple needle punctures given along and around the great saphenous vein. The aim of our study was to evaluate the safety and efficacy of blocking the femoral nerve only under ultrasound-guidance without sedation, to reduce or prevent pain during injectable tumescent anesthesia in endovenous laser ablation of the greater saphenous vein...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/28854539/predicting-successful-supraclavicular-brachial-plexus-block-using-pulse-oximeter-perfusion-index
#19
A Abdelnasser, B Abdelhamid, A Elsonbaty, A Hasanin, A Rady
Background: Supraclavicular nerve block is a popular approach for anaesthesia for upper limb surgeries. Conventional methods for evaluation of block success are time consuming and need patient cooperation. The aim of this study was to evaluate whether the perfusion index (PI) can be used to predict and provide a cut-off value for ultrasound-guided supraclavicular nerve block success. Methods: The study included 77 patients undergoing elective orthopaedic procedures under ultrasound-guided supraclavicular nerve block...
August 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28853117/a-randomized-comparison-between-neurostimulation-and-ultrasound-guided-lateral-femoral-cutaneous-nerve-block
#20
Gaurav Gupta, Mohan Radhakrishna, Isaac Tamblyn, D Q Tran, Markus Besemann, Atikun Thonnagith, Maria Francisca Elgueta, Marie Eve Robitaille, Roderick J Finlayson
BACKGROUND: This prospective, randomized trial compared neurostimulation (NS) and ultrasound (US) guided lateral femoral cutaneous nerve (LFCN) block. We hypothesized that US would result in a shorter total anesthesia-related time (sum of performance and onset times). METHODS: Twenty-one volunteers were enrolled. The right lower limb was randomized to an NS- or US-guided LFCN block. The alternate technique was employed for the left lower limb. With NS, paresthesias were sought in the lateral thigh at a stimulatory threshold of 0...
July 2017: U.S. Army Medical Department Journal
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