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Ultrasound injection

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https://www.readbyqxmd.com/read/28915967/the-concept-of-protective-nerve-stimulation-for-ultrasound-guided-nerve-blocks
#1
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/28915285/diluted-calcium-hydroxylapatite-for-skin-tightening-of-the-upper-arms-and-abdomen
#2
Natalia G Lapatina, Tatiana Pavlenko
BACKGROUND: The collagen-stimulating properties of Radiesse® (calcium hydroxylapatite, CaHA) can be used for skin-tightening procedures by hyper-diluting the product with lidocaine or saline. OBJECTIVE: To evaluate the effectiveness and safety of diluted CaHA for skin tightening in two case series of women with skin laxity in the upper arms or abdomen. METHODS: For each case series, 10 female subjects were enrolled. In the upper arms, CaHA diluted 1:2 with normal saline solution and 2% lidocaine was injected subdermally using a short, linear-threading technique...
September 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28915245/effects-of-gnrh-vaccination-in-wild-and-captive-african-elephant-bulls-loxodonta-africana-on-reproductive-organs-and-semen-quality
#3
Imke Lueders, Debbie Young, Liana Maree, Gerhard van der Horst, Ilse Luther, Stephan Botha, Brendan Tindall, Geoffrey Fosgate, André Ganswindt, Henk J Bertschinger
OBJECTIVES: Although the African elephant (Loxodonta africana) is classified as endangered by the International Union for Conservation of Nature (IUCN), in some isolated habitats in southern Africa, contraception is of major interest due to local overpopulation. GnRH vaccination has been promoted as a non-invasive contraceptive measure for population management of overabundant wildlife. We tested the efficacy of this treatment for fertility control in elephant bulls. METHODS: In total, 17 male African elephants that were treated with a GnRH vaccine were examined in two groups...
2017: PloS One
https://www.readbyqxmd.com/read/28914617/distribution-patterns-of-the-vulnerable-vessels-around-cervical-nerve-roots-a-computed-tomography-based-study
#4
Donghwi Park
OBJECTIVE: The aim of the study was to evaluate the prevalence of vulnerable vessels around the target of cervical transforaminal epidural steroid injection at the C3-C7 cervical nerve root levels in a clinical setting. DESIGN: Retrospective, cross-sectional study was conducted. PARTICIPANTS: Patients complaining of neck or arm pain with no previous surgical history and who had undergone both precontrast and contrast-enhanced neck computed tomography were included retrospectively...
September 13, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28910804/ebus-tbna-can-distinguish-sarcoid-like-side-effect-of-nivolumab-treatment-from-tumor-progression-in-non-small-cell-lung-cancer
#5
Ségolène Lainez, Claire Tissot, Michèle Cottier, Jean-Michel Vergnon
With the expansion of immunotherapy in the treatment of lung cancer, clinicians have to face new clinical pictures and adapt their practice. We report the case of a 69-year-old man diagnosed with non-small cell lung cancer using endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) and treated with nivolumab as second-line therapy. After 8 injections of nivolumab, a new CT and PET scan revealed massive growth and increase in metabolism of hilar and mediastinal lymph nodes, whereas the size and metabolism of the left upper lobe lesion were reduced...
September 15, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28906394/growth-discordance-of-monoamniotic-twin-because-of-difference-of-cords-diameter-in-forked-umbilical-cord-case-report
#6
Yongbing Guo, Yu Sun, Huixia Yang
A case of monochorionic-monoamniotic (MCMA) twin pregnancy with growth discordance because of difference of cord diameter in forked umbilical cord is reported.MCMA twins were diagnosed at 12 weeks of gestation and twin growth discordance was considered during the follow-up twice-weekly visits to the ultrasound and prenatal care units. The pregnancy was terminated at 34 weeks. Two live female babies weighing 2510 g and 1940 g were delivered. Examination of placenta and umbilical cords after birth showed that the 2 cords merged into a conjoint cord 1 cm from insertion to the placenta (forked umbilical cord)...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28900553/treatment-of-partial-rotator-cuff-tear-with-ultrasound-guided-platelet-rich-plasma
#7
Vetrivel Chezian Sengodan, Sajith Kurian, Raghupathy Ramasamy
BACKGROUND: The treatment of symptomatic partial rotator cuff tear has presented substantial challenge to orthopaedic surgeons as it can vary from conservative to surgical repair. Researches have established the influence of platelet rich plasma in healing damaged tissue. Currently very few data are available regarding the evidence of clinical and radiological outcome of partial rotator cuff tear treated with ultrasound guided platelet rich plasma injection in English literature. MATERIALS AND METHODS: 20 patients with symptomatic partial rotator cuff tears were treated with ultrasound guided platelet rich plasma injection...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28898104/rotator-cuff-calcific-tendinitis-ultrasound-guided-needling-and-lavage-versus-subacromial-corticosteroids-five-year-outcomes-of-a-randomized-controlled-trial
#8
Pieter Bas de Witte, Arjen Kolk, Ferdinand Overes, Rob G H H Nelissen, Monique Reijnierse
BACKGROUND: Barbotage (needling and lavage) is often applied in the treatment of calcific tendinitis of the rotator cuff (RCCT). In a previously published randomized controlled trial, we reported superior clinical and radiological 1-year outcomes for barbotage combined with a corticosteroid injection in the subacromial bursa (SAIC) compared with an isolated SAIC. There are no trials with a midterm or long-term follow-up of barbotage available. PURPOSE: To compare the 5-year results of 2 regularly applied treatments of RCCT: ultrasound (US)-guided barbotage combined with a SAIC (group 1) versus an isolated US-guided SAIC (group 2)...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28895770/the-use-of-platelet-rich-plasma-prp-in-the-treatment-of-gastrocnemius-strains-a-retrospective-observational-study
#9
Paolo Borrione, Chiara Fossati, Maria Teresa Pereira, Silvana Giannini, Marco Davico, Carlo Minganti, Fabio Pigozzi
The aim of the present retrospective observational study was to evaluate the time of functional recovery following a specific combined therapeutic approach characterized by an active exercise therapy carried out immediately after Platelet-rich plasma (PRP) injections for the treatment of the muscular lesion of the distal musculotendinous junction of the gastrocnemius medial head.Medical records of 31 subjects treated with three PRP intra-lesional ultrasound guided injections and 30 patients treated with the standard therapeutic approach (control group) were analyzed...
September 12, 2017: Platelets
https://www.readbyqxmd.com/read/28894889/influence-of-contrast-enhanced-ultrasound-administration-setups-on-microbubble-enhancement-a-focus-on-pediatric-applications
#10
Michael R Kramer, Nishi Bhagat, Susan J Back, Laura Poznick, Flemming Forsberg, Kassa Darge, John R Eisenbrey
BACKGROUND: In pediatrics, contrast-enhanced ultrasound offers high-quality imaging with an excellent safety profile. OBJECTIVE: To investigate the effects of varying intravenous administration setups on in vitro enhancement and concentration of two commercially available ultrasound contrast agents, taking into consideration potential pediatric applications. MATERIALS AND METHODS: We quantified in vitro enhancement using a flow phantom (ATS Laboratories, Bridgeport, CT) and Acuson S3000 ultrasound system (Siemens Healthineers, Mountain View, CA) with a 9L4 probe in Cadence pulse sequencing mode...
September 11, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28893220/the-added-value-of-musculoskeletal-ultrasound-to-clinical-evaluation-in-the-treatment-decision-of-rheumatoid-arthritis-outpatients-physician-experience-matters
#11
C Sifuentes-Cantú, I Contreras-Yáñez, L Saldarriaga, A C Lozada, M Gutiérrez, V Pascual-Ramos
BACKGROUND: Musculoskeletal ultrasound improves the accuracy of detecting the level of disease activity (DA) in RA patients, although its impact on the final treatment decision in a real clinical setting is uncertain. The objectives were to define the percentage of clinical scenarios from an ongoing cohort of RA outpatients in which the German Ultrasound Score on 7 joints (GUS-7) impacted the treatment and to explore if the impact differed between a senior rheumatologist (SR) vs. a trainee (TR)...
September 11, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28892360/in-vivo-imaging-guided-photothermal-photoacoustic-synergistic-therapy-with-bioorthogonal-metabolic-glycoengineering-activated-tumor-targeting-nanoparticles
#12
Lihua Du, Huan Qin, Teng Ma, Tao Zhang, Da Xing
Developing multifunctional phototheranostics with nanoplatforms offers promising potential for effective eradication of malignant solid tumors. In this study, we develop a multifunctional phototheranostic by combining photothermal therapy (PTT) and photoacoustic therapy (PAT) based on a tumor-targeting nanoagent (DBCO-ZnPc-LP). The nanoagent DBCO-ZnPc-LP was facilely prepared by self-assembling of a single lipophilic near-infrared (NIR) dye zinc(II)-phthalocyanine (ZnPc) with a lipid-poly(ethylene glycol) (LP) and following modified further with dibenzyl cyclootyne (DBCO) for introducing the two-step chemical tumor-targeting strategy based on metabolic glycoengineering and click chemistry...
September 13, 2017: ACS Nano
https://www.readbyqxmd.com/read/28892033/ultrasound-guided-intracardiac-injection-of-human-mesenchymal-stem-cells-to-increase-homing-to-the-intestine-for-use-in-murine-models-of-experimental-inflammatory-bowel-diseases
#13
Maneesh Dave, Paola Menghini, Keiki Sugi, Rodrigo A Somoza, Zhenghong Lee, Mukesh Jain, Arnold Caplan, Fabio Cominelli
Crohn's disease (CD) is a common chronic inflammatory disease of the small and large intestines. Murine and human mesenchymal stem cells (MSCs) have immunosuppressive potential and have been shown to suppress inflammation in mouse models of intestinal inflammation, even though the route of administration can limit their homing and effectiveness (1)(,)(3)(,)(4)(,)(5). Local application of MSCs to colonic injury models has shown greater efficacy at ameliorating inflammation in the colon. However, there is paucity of data on techniques to enhance the localization of human bone marrow-derived MSCs (hMSCs) to the small intestine, the site of inflammation in the SAMP-1/YitFc (SAMP) model of experimental Crohn's disease...
September 1, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28891826/injection-volume-and-anesthetic-effect-in-serratus-plane-block
#14
Tatsuya Kunigo, Takeshi Murouchi, Shuji Yamamoto, Michiaki Yamakage
BACKGROUND AND OBJECTIVES: Serratus plane block is performed for analgesia of the anterior chest wall. However, there has been no study concerning the appropriate volume for this block. This prospective randomized controlled study assesses the dermatomal spread and analgesic effects of serratus plane block. METHODS: Ultrasound-guided serratus plane block was performed for breast cancer surgery. The patients were randomly assigned to receive 20 or 40 mL of 0.375% ropivacaine...
September 7, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28887258/case-report-severe-acute-type-b-aortic-dissection-complicated-by-acute-pancreatitis
#15
Jin Jie, Wu Yongfa, Wang Yuxin, Liao Mingfang, Qu Lefeng
A 52 year-old man presented with sudden abdominal pain and intermittent vomiting. The patient underwent contrast-enhanced computed tomography scan (CT) and was diagnosed with an acute type B aortic dissection (ABAD) involving the celiac trunk superior mesenteric artery (SMA), and extending to the renal artery. The patient was treated with thoracic endovascular aortic repair (TEVAR). After the procedure, the patient still complained of left upper abdomen abdominal pain, and an abdominal mass was detected on physical examination...
September 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28887253/comparison-of-ultrasound-guided-thrombin-injection-of-iatrogenic-pseudoaneurysms-based-on-neck-dimension
#16
E Y Yang, M M Tabbara, P G Sanchez, A M Abi-Chaker, J Patel, A Bornak, K M Jones, J Rey
OBJECTIVE: Ultrasound-guided thrombin injection (UGTI) of femoral artery pseudoaneurysms after endovascular procedures is an effective therapy. There is controversy in the literature regarding injecting pseudoaneurysms with short and/or wide necks. This paper reports on our experience in UGTI of pseudoaneurysms in one hospital regarding the efficacy of this treatment in all pseudoaneurysms regardless of the size of the necks. METHOD: A retrospective review of 46 patients diagnosed between 2011 and 2016 with groin pseudoaneurysms using established duplex ultrasound criteria...
September 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28887222/contrast-enhanced-ultrasound-imaging-can-predict-vascular-targeted-photodynamic-therapy-induced-tumor-necrosis-in-small-animals
#17
F H Cornelis, K Kim, J C Durack, S Jebiwott, A Scherz, G Srimathveeravalli, J A Coleman
AIMS: To evaluate the accuracy of contrast-enhanced ultrasound (CEUS) for monitoring tumor necrosis following WST-11 vascular targeted photodynamic therapy (VTP) using imaging-pathology correlation. METHODS: Renal adenocarcinoma cells were injected into the hindlimb of 13 BalB/c mice resulting in tumors ranging from 9.8 to 194.3mm(3). US guidance was used to place a laser fiber into the tumor, and VTP was performed. CEUS was performed prior to animal sacrifice, 24hours post-VTP...
September 5, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28885963/three-year-analysis-of-value-and-utilization-after-development-of-an-ultrasound-based-orthopedic-injection-clinic
#18
Chase Dukes, Thomas Melton, Eric Turner, Andrew Jackson, Jason Grassbaugh, John Slevin, Edward D Arrington, Josef K Eichinger
INTRODUCTION: Sonography is an effective method of diagnosing and treating musculoskeletal conditions, and the use of ultrasound has been shown to improve the accuracy, safety, and efficacy of both therapeutic and diagnostic injections. In 2012, we established an injection clinic at our institution to address our growing need for diagnostic and therapeutic injections. METHODS: We performed an analysis of value and utilization following the development of an orthopedic injection clinic...
September 2017: Military Medicine
https://www.readbyqxmd.com/read/28885211/postoperative-control-of-functional-muscle-flaps-for-facial-palsy-reconstruction-ultrasound-guided-tissue-monitoring-using-contrast-enhanced-ultrasound-ceus-and-ultrasound-elastography
#19
A Kehrer, V Mandlik, C Taeger, S Geis, L Prantl, E M Jung
BACKGROUND AND OBJECTIVES: Facial paralysis causes excruciating impairments including facial asymmetry, limited eye closure, oral incontinence and social dysfunction. Modern plastic surgical reconstructions render favorable results with well-perfused dynamic muscle flaps. Post-operative tissue monitoring is a critical determinant for success. Contrast-enhanced Ultrasound (CEUS) and elastography have proven superior properties to evaluate tissue perfusion in various organs. We evaluated their role for functional muscle flaps positioned at the sub-skin level in facial palsy patients...
September 4, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28885204/quantitative-evaluation-of-real-time-maximum-liver-capacity-limax-and-time-intensity-curve-tic-analysis-in-ceus-based-microperfusion
#20
M Haimerl, K Brünn, S Poelsterl, L P Beyer, I Wiesinger, C Stroszczynski, E-M Jung, P Wiggermann
PURPOSE: To compare the diagnostic performance of real-time maximum liver capacity (LiMAx) with dynamic contrast-enhanced ultrasound (CEUS)-based liver microcirculation. MATERIALS AND METHODS: 23 patients underwent liver function capacity (LiMAx) test and consecutive or previous CEUS examinations. A bolus injection of 1.4 ml sulfur hexafluoride microbubbles was administered for CEUS measurements (1-6 MHz) and quantitative perfusion analysis (TIC) was performed with an integrated perfusion software using stored cine-loops...
September 4, 2017: Clinical Hemorheology and Microcirculation
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