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Ultrasound nerve

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https://www.readbyqxmd.com/read/28237684/effects-of-dexmedetomidine-combined-with-ropivacaine-on-sciatic-and-femoral-nerve-blockade-in-dogs
#1
Thomas A Trein, Beatriz P Floriano, Juliana T Wagatsuma, Joana Z Ferreira, Guilherme L da Silva, Paulo S P Dos Santos, Sílvia H V Perri, Valéria Nls Oliva
OBJECTIVE: To evaluate motor and sensory blockade of combining dexmedetomidine with ropivacaine, administered perineurally or systemically, for femoral and sciatic nerve blocks in conscious dogs. STUDY DESIGN: Randomized, controlled, experimental study. ANIMALS: Seven healthy Beagle dogs, aged 3.3 ± 0.1 years and weighing 11.0 ± 2.4 kg. METHODS: Dogs were anesthetized with isoflurane on three separate occasions for unilateral femoral and sciatic nerve blocks and were administered the following treatments in random order: perineural ropivacaine 0...
February 22, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28235509/management-of-isolated-infraorbital-neuralgia-by-ultrasound-guided-infraorbital-nerve-block-with-combination-of-steroid-and-local-anesthetic
#2
Oya Y Cok, Sinan Deniz, H Evren Eker, Levent Oguzkurt, Anis Aribogan
Patients with isolated peripheral branch neuralgia of trigeminal nerve usually receive traditional treatment such as medical therapy and interventional procedures targeting the entire trigeminal nerve or related ganglions. However, if the intractable pain is limited to a certain branch, the patient may also benefit from a peripheral and nerve-targeted interventional approach. Here, we report the management of a patient with isolated infraorbital neuralgia by ultrasound-guided infraorbital nerve block with steroid and local anesthetic combination...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28235506/effective-volumes-of-1-5-mepivacaine-with-different-sodium-concentration-for-ultrasound-guided-popliteal-block
#3
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/28235493/ultrasound-guided-transversus-abdominis-plane-block-for-postoperative-analgesia-in-living-liver-donors-a-prospective-randomized-double-blinded-clinical-trial
#4
Arzu Kıtlık, Mehmet Ali Erdogan, Ulku Ozgul, Mustafa Said Aydogan, Muharrem Ucar, Huseyin Ilksen Toprak, Cemil Colak, Mahmut Durmus
BACKGROUND: Transversus abdominis plane (TAP) block is a peripheral nerve block that reduces postoperative pain, nausea, vomiting and the need for postoperative opioids following various types of abdominal surgery. The primary aim of the present study was to evaluate the effects of TAP block on postoperative analgesia and opioid consumption in living liver donors in whom a right "J" abdominal incision was used. METHODS: This prospective, double-blinded, randomized controlled study was conducted with 50 living liver donors, aged 18-65years, who were scheduled to undergo right hepatectomy...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28228343/ultrasound-guided-femoral-nerve-blockage-in-a-patellar-dislocation-an-effective-technique-for-emergency-physicians
#5
Sami Eksert, Sinan Akay, Murtaza Kaya, Ali Kantemir, Kenan Keklikci
BACKGROUND: Patellar dislocation is an orthopedic emergency and its reduction can be painful. The aim of this case is to show that the ultrasound-guided femoral nerve blockage can be effectively used in the pain management of patellar reduction in the emergency department (ED). CASE REPORT: A 21-year-old man was admitted to our ED after suffering a fall down a flight of stairs. The initial physical examination and plain radiography showed a patellar dislocation in the right knee...
February 19, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28227422/a-probabilistic-framework-based-on-slic-superpixel-and-gaussian-processes-for-segmenting-nerves-in-ultrasound-images
#6
Julian Gil Gonzalez, Mauricio A Alvarez, Alvaro A Orozco, Julian Gil Gonzalez, Mauricio A Alvarez, Alvaro A Orozco, Mauricio A Alvarez, Julian Gil Gonzalez, Alvaro A Orozco
We deal with an important problem in the field of anesthesiology known as automatic segmentation of nerve structures depicted in ultrasound images. This is important to aid the experts in anesthesiology, in order to carry out Peripheral Nerve Blocking (PNB). Ultrasound imaging has gained recent interest for performing PNB procedures since it offers a non-invasive visualization of the nerve and the anatomical structures around it. However, the location of these nerves in ultrasound images is a difficult task for the specialist due to the artifacts (i...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28218219/reduced-macular-vascular-density-in-myopic-eyes
#7
Hua Fan, Hao-Yu Chen, Hong-Jie Ma, Zheng Chang, Hai-Quan Yin, Danny Siu-Chun Ng, Carol Y Cheung, Shan Hu, Xiang Xiang, Shi-Bo Tang, Shuang-Nong Li
BACKGROUND: Morphological changes of the vasculature system in patients with myopia have been observed by Doppler ultrasound and fundus fluorescein angiography (FFA); however, these studies have limitations. Doppler ultrasound provides low-resolution images which are mainly obtained from visualized large vessels, and FFA is an invasive examination. Optic coherence tomography (OCT) angiography is a noninvasive, high-resolution measurement for vascular density. The purpose of this study was to investigate the change of vascular density in myopic eyes using OCT angiography...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28215966/does-patient-perception-differ-following-adductor-canal-block-and-femoral-nerve-block-in-total-knee-arthroplasty-a-simultaneous-bilateral-randomized-study
#8
Hyun J Koh, In J Koh, Man S Kim, Keun Y Choi, Hyeon U Jo, Yong In
BACKGROUND: Femoral nerve block (FNB) has been used as part of the multimodal analgesia after total knee arthroplasty (TKA), but leads to weakness in the quadriceps muscles. Recently, adductor canal block (ACB) was reported to provide effective pain relief while sparing the strength of the quadriceps. This simultaneous bilateral randomized study investigated whether patients perceived differences between ACB and the FNB after same-day bilateral TKA. METHODS: We performed a prospective simultaneous bilateral randomized study in 50 patients scheduled to undergo same-day bilateral TKA...
January 26, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28214343/high-resolution-ultrasound-visualization-of-the-deep-branch-of-the-ulnar-nerve
#9
Georg Riegler, Doris Lieba-Samal, Peter C Brugger, Christopher Pivec, Hannes Platzgummer, Martin Vierhapper, Gabriela Muschitz, Suren Jengojan, Gerd Bodner
INTRODUCTION: The value of imaging the deep branch of the ulnar nerve (DBUN) over its entire course has not been clarified. Therefore, this study aimed to evaluate the feasibility of visualizing the DBUN from its origin to the most distal point. METHODS: We performed high-resolution ultrasound (HRUS) with high-frequency probes (18-22MhZ), HRUS-guided ink-marking, and consecutive dissection in 8 fresh cadaver hands. In both hands of 10 healthy volunteers (n=20), the cross-sectional area (CSA) was measured at 2 different locations (R1+R2)...
February 18, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28214293/ultra-high-frequency-ultrasound-of-fascicles-in-the-median-nerve-at-the-wrist
#10
Michael S Cartwright, Vanessa Baute, James B Caress, Francis O Walker
INTRODUCTION: An ultra high-frequency (70 MHz) ultrasound device has recently been approved for human use. This study was conducted to determine if this device facilitates counting of fascicles within the median nerve at the wrist. METHODS: Twenty healthy volunteers underwent imaging of the median nerve at the wrist bilaterally. The number of fascicles in each nerve was counted by two independent raters. RESULTS: The mean fascicle number was 22...
February 18, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28213852/-imaging-of-the-lumbosacral-plexus-diagnostics-and-treatment-planning-with-high-resolution-procedures
#11
S Jengojan, C Schellen, G Bodner, G Kasprian
BACKGROUND: Technical advances in magnetic resonance (MR) and ultrasound-based neurography nowadays facilitate the radiological assessment of the lumbosacral plexus. OBJECTIVE: Anatomy and imaging of the lumbosacral plexus and diagnostics of the most common pathologies. MATERIAL AND METHODS: Description of the clinically feasible combination of magnetic resonance imaging (MRI) and ultrasound diagnostics, case-based illustration of imaging techniques and individual advantages of MRI and ultrasound-based diagnostics for various pathologies of the lumbosacral plexus and its peripheral nerves...
February 17, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28209507/ultrasound-guided-pulsed-radiofrequency-stimulation-of-posterior-tibial-nerve-a-potential-novel-intervention-for-recalcitrant-plantar-fasciitis
#12
Yung-Tsan Wu, Chih-Ya Chang, Yu-Ching Chou, Chun-Chang Yeh, Tsung-Ying Li, Heng-Yi Chu, Liang-Cheng Chen
OBJECTIVE: To evaluate the therapeutic benefit of ultrasound-guided pulsed radiofrequency (PRF) stimulation at the posterior tibial nerve (PTN) in patients with recalcitrant plantar fasciitis (PF). DESIGN: A prospective, randomized, double-blinded, placebo-controlled trial (12-week follow-up). SETTING: Outpatient of local medical center settings. PARTICIPANTS: Thirty-six patients with recalcitrant PF were randomized and 36 participants were included in the final data analysis...
February 13, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28209312/is-carpal-tunnel-syndrome-present-in-acute-stroke-patients-an-investigative-study-using-clinical-and-imaging-screening-tools
#13
Chen Lin, Aaron I Loochtan, Brian Dresser, Jianhong Chang, Alfredo E Farjat, Kingshuk Choudhury, Lisa D Hobson-Webb
Carpal tunnel syndrome (CTS) is known to develop post-stroke. Median nerve ultrasound (US) is an inexpensive, effective means of screening. In this prospective feasibility study, we compared the ability of the physical exam, the Boston Carpal Tunnel Questionnaire (BCTQ) and median nerve US to screen for carpal tunnel syndrome (CTS) within 72hours of stroke onset. We enrolled 24 consecutive patients. Using US, 19 (79%, p=0.0386) of the 24 patients screened positive for CTS on the paretic side and 20 (83%, p=0...
February 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28207643/nerve-roots-trunks-and-the-vagaries-of-ultrasound
#14
Steven L Orebaugh, Paul E Bigeleisen
No abstract text is available yet for this article.
March 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28207605/ultrasound-guided-fenestration-of-the-carpal-ligament-using-a-double-needle-approach
#15
Gloria E Hwang, Sanjay Kumbar, Todd Stitik, John S Georgy, Hoss Hanna
Injection techniques for carpal tunnel syndrome have evolved from landmark palpation injection techniques to more accurate ultrasound-guided approaches. Presented is a case report describing a technique serendipitously discovered during a carpal ligament fenestration. The case involved a 66-year-old man with a diagnosis of carpal tunnel syndrome. After a failed attempt at treatment using a wrist splint and activity modification, he was treated by median nerve hydrodissection with 100% temporary pain relief...
February 15, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28203021/-comparision-for-clinical-efficiency-of-continuous-adductor-canal-block-and-femoral-nerve-block-in-total-knee-arthroplasty
#16
M W Zhao, N Wang, L Zeng, M Li, Z K Zhao, H Zhang, H Tian
OBJECTIVE: To compare the pain control efficiency of continuous adductor canal block (ACB) and femoral nerve block (FNB) in total knee arthroplasty. METHODS: From April to September 2016, patients with severe knee osteoarthritis undergoing primary unilateral total knee arthroplasty (TKA) were prospectively observed, and all the patients were randomized received ultrasound-guided continuous ACB or FNB after surgery. Numeric pain rating scales(NPRS)pain scores in rest and activity 2, 6, 12, 24 and 48 h after surgery were collected, and the preoperative and postoperative quadriceps strength at 24 and 48 h were analyzed...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28195898/ultrasound-guided-glossopharyngeal-nerve-block-a-cadaver-and-a-volunteer-sonoanatomy-study
#17
Josip Ažman, Tatjana Stopar Pintaric, Erika Cvetko, Kamen Vlassakov
BACKGROUND AND OBJECTIVES: Glossopharyngeal nerve (GPN) blocks are usually performed by topical, intraoral, or peristyloid approaches, which carry significant complication risks due to the proximity of important neurovascular structures. This study presents a proof of concept for a new ultrasound (US)-guided technique, which would block the GPN distally, in the parapharyngeal space, away from the immediate vicinity of high-risk collateral structures. METHODS: Five cadaver heads were dissected, and the location of the GPN was explored bilaterally...
March 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28195441/imaging-of-the-vasa-nervorum-using-contrast-enhanced-ultrasound
#18
Adnan I Qureshi, Muhammad A Saleem, Asad Ahrar, Faisal Raja
INTRODUCTION: We describe the use of intravenous contrast-enhanced ultrasonography to study vasa nervorum using contrast-enhanced ultrasound. METHODS: We imaged the median, femoral, or sciatic nerves in 4 patients in longitudinal plane using high-resolution ultrasound after intravenous bolus of activated Perflutren lipid microspheres. The images were acquired as photopic images (in brown color) in real time using 2-dimensional B-Flow mode scan within a selected region of interest...
February 14, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28192896/ultrasound-guided-pectoral-nerves-and-serratus-plane-block-for-post-thoracotomy-pain-syndrome
#19
Emanuele Piraccini, Morena Calli, Helen Byrne, Ruggero M Corso, Stefano Maitan
No abstract text is available yet for this article.
February 13, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28192858/deep-and-superficial-circumflex-iliac-arteries-and-their-relationship-to-the-ultrasound-guided-femoral-nerve-block-procedure-a-cadaver-study
#20
Keiko Ogami, Hiroaki Murata, Akiko Sakai, Shuntaro Sato, Kazunobu Saiki, Keishi Okamoto, Yoshitaka Manabe, Tetsuya Hara, Toshiyuki Tsurumoto
BACKGROUND: The in-plane lateral to medial approach is a standard technique for ultrasound-guided femoral nerve block (USG-FNB). The first bifurcation of the femoral artery, which consists of the deep artery of the thigh (DAT) or occasionally the lateral circumflex femoral artery (LCFA), is regarded as the distal border for this procedure. We sometimes detect arteries along the estimated needle trajectory for USG-FNB. The superficial (SCIA) and deep (DCIA) circumflex iliac arteries run laterally parallel to the inguinal ligament from the femoral or external iliac artery...
February 13, 2017: Clinical Anatomy
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