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Ultrasound guided regional

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https://www.readbyqxmd.com/read/28513858/an-adaptive-fuzzy-c-means-method-utilizing-neighboring-information-for-breast-tumor-segmentation-in-ultrasound-images
#1
Yuan Feng, Fenglin Dong, Xiaolong Xia, Chun-Hong Hu, Qianmin Fan, Yanle Hu, Mingyuan Gao, Sasa Mutic
PURPOSE: Ultrasound (US) imaging has been widely used in breast tumor diagnosis and treatment intervention. Automatic delineation of the tumor is a crucial first step, especially for the computer-aided diagnosis (CAD) and US-guided breast procedure. However, the intrinsic properties of US images such as low contrast and blurry boundaries pose challenges to the automatic segmentation of the breast tumor. Therefore, the purpose of this study is to propose a segmentation algorithm that can contour the breast tumor in US images...
May 17, 2017: Medical Physics
https://www.readbyqxmd.com/read/28511234/indications-results-and-clinical-impact-of-endoscopic-ultrasound-eus-guided-sampling-in-gastroenterology-european-society-of-gastrointestinal-endoscopy-esge-clinical-guideline-updated-january-2017
#2
Jean-Marc Dumonceau, Pierre H Deprez, Christian Jenssen, Julio Iglesias-Garcia, Alberto Larghi, Geoffroy Vanbiervliet, Guruprasad P Aithal, Paolo G Arcidiacono, Pedro Bastos, Silvia Carrara, László Czakó, Gloria Fernández-Esparrach, Paul Fockens, Àngels Ginès, Roald F Havre, Cesare Hassan, Peter Vilmann, Jeanin E van Hooft, Marcin Polkowski
For pancreatic solid lesions, ESGE recommends performing endoscopic ultrasound (EUS)-guided sampling as first-line procedure when a pathological diagnosis is required. Alternatively, percutaneous sampling may be considered in metastatic disease.Strong recommendation, moderate quality evidence.In the case of negative or inconclusive results and a high degree of suspicion of malignant disease, ESGE suggests re-evaluating the pathology slides, repeating EUS-guided sampling, or surgery.Weak recommendation, low quality evidence...
May 16, 2017: Endoscopy
https://www.readbyqxmd.com/read/28511006/novel-focused-ultrasound-gene-therapy-approach-noninvasively-restores-dopaminergic-neuron-function-in-a-rat-parkinson-s-disease-model
#3
Brian P Mead, Namho Kim, G Wilson Miller, David Hodges, Panagiotis Mastorakos, Alexander L Klibanov, James W Mandell, Jay Hirsh, Jung Soo Suk, Justin Hanes, Richard J Price
Therapies capable of decelerating, or perhaps even halting, neurodegeneration in Parkinson's disease (PD) remain elusive. Clinical trials of PD gene therapy testing the delivery of neurotrophic factors, such as the glial cell-line derived neurotrophic factor (GDNF), have been largely ineffective due to poor vector distribution throughout the diseased regions in the brain. In addition, current delivery strategies involve invasive procedures that obviate the inclusion of early stage patients who are most likely to benefit from GDNF-based gene therapy...
May 18, 2017: Nano Letters
https://www.readbyqxmd.com/read/28509777/ultrasound-guided-percutaneous-cryoneurolysis-for-acute-pain-management-a-case-report
#4
Rodney A Gabriel, John J Finneran, Deepa Asokan, Andrea M Trescot, NavParkash S Sandhu, Brian M Ilfeld
We report 3 different cases in which ultrasound-guided percutaneous cryoneurolysis was performed to treat acute pain: 1 patient with refractory incisional pain after percutaneous nephrolithotomy; 1 patient with burns to the foot; and 1 patient with pain from iliac crest grafting. Acute pain associated with surgery or injury is a challenge to treat with local anesthetic-based regional anesthesia techniques when the anticipated pain duration exceeds a few days. Cryoneurolysis is an alternative analgesic method that utilizes extremely cold temperatures to reversibly ablate peripheral nerves and is potentially a novel method for acute pain management...
May 12, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28504313/ultrasound-guided-fine-needle-aspiration-in-the-neck-region-using-an-optical-see-through-head-mounted-display-a-randomized-controlled-trial
#5
Naoki Kaneko, Mayumi Tsunoda, Masatsugu Mitsuhashi, Keisuke Okubo, Taro Takeshima, Yoshihide Sehara, Mutsumi Nagai, Kensuke Kawai
OBJECTIVES: The purpose of this study was to examine the feasibility of an optical see-through head-mounted display (OST-HMD) to improve ergonomics during ultrasound-guided fine-needle aspiration (FNA) in the neck region. METHODS: This randomized controlled study compared an OST-HMD with a normal ultrasound monitor during an ultrasound-guided FNA in the neck region. Patients with a neck tumor were recruited and randomized into one of two groups. Two practitioners performed ultrasound-guided FNA with or without the HMD, as indicated...
May 15, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28500279/new-navigation-surgery-for-resection-of-lymphatic-malformations-using-indocyanine-green-fluorescence-imaging
#6
Chiyoe Shirota, Akinari Hinoki, Masataka Takahashi, Yujiro Tanaka, Takahisa Tainaka, Wataru Sumida, Naruhiko Murase, Kazuo Oshima, Ryo Shirotsuki, Kosuke Chiba, Yuji Morimoto, Hiroo Uchida
BACKGROUND We used indocyanine green (ICG) fluorescence imaging to completely resect lymphatic malformations (LMs). This is the first report of navigation surgery utilizing ICG fluorescence imaging for resection of LMs. CASE REPORT A 15-year-old boy was diagnosed with LMs in the abdominal wall. The extent of the tumor was determined by an ultrasound, and ICG (Diagnogreen®, Daiichi-Sankyo Pharma, Tokyo, Japan) was injected subcutaneously and intradermally into the core and 2 marginal regions of the tumor (3 injections in total), respectively...
May 13, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28498225/rehabilitation-and-prevention-of-proximal-hamstring-tendinopathy
#7
Nicholas R Beatty, Ioonna Félix, Jessica Hettler, Peter J Moley, James F Wyss
Proximal hamstring tendinopathy (PHT) comprises a small but significant portion of hamstring injuries in athletes, especially runners. PHT is a chronic condition that is clinically diagnosed but can be supported with imaging. The main presenting complaint is pain in the lower gluteal or ischial region that may or may not radiate along the hamstrings in the posterior thigh. There is little scientific evidence on which to base the rehabilitation management of PHT. Treatment is almost always conservative, with a focus on activity modification, addressing contributing biomechanical deficiencies, effective tendon loading including eccentric training, and ultrasound-guided interventional procedures which may facilitate rehabilitation...
May 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28481763/in-plane-ultrasound-guided-knee-injection-through-a-lateral-suprapatellar-approach-a-safe-technique
#8
Francisco A Chagas-Neto, Atul K Taneja, Everaldo Gregio-Junior, Marcello H Nogueira-Barbosa
PURPOSE: This study aims to describe a technique for in-plane ultrasound-guided knee arthrography through a lateral suprapatellar approach, reporting its accuracy and related complications. METHODS: A retrospective search was performed for computed tomography and magnetic resonance reports from June 2013 through June 2015. Imaging studies, puncture descriptions, and guided-procedure images were reviewed along with clinical and surgical history. A fellowship-trained musculoskeletal radiologist performed all procedures under sterile technique and ultrasound guidance with the probe in oblique position on the lateral suprapatellar recess after local anesthesia with the patient on dorsal decubitus, hip in neutral rotation, and 30 to 45 degrees of knee flexion...
May 4, 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28446970/the-role-of-endobronchial-ultrasound-versus-mediastinoscopy-for-non-small-cell-lung-cancer
#9
REVIEW
Katarzyna Czarnecka-Kujawa, Kazuhiro Yasufuku
This review provides an update on the current role of endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) and mediastinoscopy (Med) in assessment of patients with non-small cell lung cancer (NSCLC). Invasive mediastinal lymph node (LN) staging is the major application for both of these techniques. Up until recently, Med was the gold standard for invasive mediastinal LN staging in NSCLC. However, EBUS-TBNA has shown to be equivalent, and in some studies better than Med for invasive staging of lung cancer...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28439999/cost-effectiveness-of-introducing-a-nursing-based-programme-of-ultrasound-guided-peripheral-venous-access-in-a-regional-teaching-hospital
#10
Émilie Gosselin, Johanne Lapré, Stéphan Lavoie, Stéphane Rhein
AIM: To analyse the cost-effectiveness of care provided to patients in need of peripheral venous access by comparing the traditional approach with a nurse-based ultrasound-guided programme. BACKGROUND: Letting nurses insert ultrasound-guided catheters is a promising cost-saving approach, but there are few data available to document the efficiency of this type of programme. METHOD: A cost-efficiency evaluative research design was used. Data were collected over a 6-year timeframe, before and after the implementation of the nurse-based programme...
April 25, 2017: Journal of Nursing Management
https://www.readbyqxmd.com/read/28435344/development-of-performance-and-error-metrics-for-ultrasound-guided-axillary-brachial-plexus-block
#11
Osman M Ahmed, Brian D O'Donnell, Anthony G Gallagher, George D Shorten
PURPOSE: Change in the landscape of medical education coupled with a paradigm shift toward outcome-based training mandates the trainee to demonstrate specific predefined performance benchmarks in order to progress through training. A valid and reliable assessment tool is a prerequisite for this process. The objective of this study was to characterize ultrasound-guided axillary brachial plexus block to develop performance and error metrics and to verify face and content validity using a modified Delphi method...
2017: Advances in Medical Education and Practice
https://www.readbyqxmd.com/read/28434187/ultrasound-guided-intra-articular-injection-of-the-radio-ulnar-radio-humeral-joints-and-ultrasound-guided-dry-needling-of-the-affected-limb-muscles-to-relieve-fixed-pronation-deformity-and-myofascial-issues-around-the-shoulder-in-a-case-of-complex-regional
#12
Renuka Pai, Lakshmi Vas
BACKGROUND: Complex Regional Pain Syndrome (CRPS) occurs due to different pathophysiological mechanisms. Presently there is no description of definitive treatment that can resolve the especially recalcitrant motor issues of disability in CRPS-1. CASE REPORT: We have herein described the successful management of motor disability with a multi-modal approach in a patient with CRPS-1 that occurred as a result of a fracture sustained in the lower end of the radius. Sensory/sudomotor/vasomotor symptoms were relieved completely by medications and stellate ganglion block, in two weeks...
April 23, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28433335/treatment-of-peripheral-arterial-disease-via-percutaneous-brachial-artery-access
#13
Randall W Franz, Christopher F Tanga, Joseph W Herrmann
OBJECTIVE: This review was conducted to evaluate the types of endovascular procedures that can be performed via brachial artery access, evaluate the access success rate, and determine the incidence of technical complications. METHODS: A retrospective 10-year record review at a tertiary facility from January 1, 2005, through June 30, 2015, was completed. Patients who underwent attempted brachial artery access were eligible for review. Outcomes intended to be evaluated included ability to access the vessel, reach an identified lesion, and perform an indicated procedure, while describing the incidence and type of complications that occurred to clarify the utility and safety of brachial artery access...
April 19, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28426437/supersonic-transient-magnetic-resonance-elastography-for-quantitative-assessment-of-tissue-elasticity
#14
Yu Liu, Jingfei Liu, Brett Z Fite, Josquin Foiret, Asaf Ilovitsh, J Kent Leach, Erik Dumont, Charles F Caskey, Katherine W Ferrara
Non-invasive, quantitative methods to assess the properties of biological tissues are needed for many therapeutic and tissue engineering applications. Magnetic resonance elastography (MRE) has historically relied on external vibration to generate periodic shear waves. In order to focally assess a biomaterial or to monitor the response to ablative therapy, the interrogation of a specific region of interest by a focused beam is desirable and transient MRE (t-MRE) techniques have previously been developed to accomplish this goal...
May 21, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28420906/comparison-of-ultrasound-and-ultrasound-plus-nerve-stimulator-guidance-axillary-plexus-block
#15
Gokhan Demirelli, Semih Baskan, Isil Karabeyoglu, Ismail Aytac, Dilsen Hatice Ornek, Alper Erdogmus, Mustafa Baydar
OBJECTIVE: To evaluate the characteristics of axillary plexus blockade applied using ultrasound only and using ultrasound together with nerve stimulator in patients undergoing planned forearm, wrist or hand surgery. METHODS: This randomised, prospective, double-blinded, single-centre study was conducted at Ankara Numune Training and Research Hospital, Ankara, Turkey, from November 2014 to August 2015, and comprised patients undergoing forearm, wrist or hand surgery...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28416174/-ultrasound-guided-quadratus-lumborum-block-for-analgesia-after-cesarean-delivery-case-series
#16
Ilana Sebbag, Fatemah Qasem, Shalini Dhir
INTRODUCTION: The majority of women having planned cesarean section receive spinal anesthesia for the procedure. Typically, spinal opioids are administered during the same time as a component of multimodal analgesia to provide pain relief in the 16-24h period postoperatively. The quadratus lumborum block is a regional analgesic technique that blocks T5-L1 nerve branches and has an evolving role in postoperative analgesia for lower abdominal surgeries and may be a potential alternative to spinal opioids...
April 14, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28410101/medical-instrument-detection-in-3-dimensional-ultrasound-data-volumes
#17
Arash Pourtaherian, Harm Scholten, Lieneke Kusters, Svitlana Zinger, Nenad Mihajlovic, Alexander Kolen, Fei Zou, Gary Ng, Hendrikus Korsten, Peter de With
Ultrasound-guided medical interventions are broadly applied in diagnostics and therapy, e.g. regional anesthesia or ablation. A guided intervention using 2D ultrasound is challenging due to the poor instrument visibility, limited field of view and the multi-fold coordination of the medical instrument and ultrasound plane. Recent 3D ultrasound transducers can improve the quality of the image-guided intervention if an automated detection of the needle is used. In this paper, we present a novel method for detecting medical instruments in 3D ultrasound data that is solely based on image processing techniques and validated on various ex-vivo and in-vivo datasets...
April 7, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28408712/peritoneal-dialysis-catheter-surgery-using-transversus-abdominis-plane-block
#18
Dean Markić, Božidar Vujičić, Mladen Ivanovski, Kristian Krpina, Antun Gršković, Dražen Rahelić, Nino Rubinić, Željko Župan, Hrvoje Lasić, Mauro Materljan, Sanjin Rački
♦Background: Peritoneal dialysis (PD) catheter surgery can be performed using regional anesthesia. We present our PD catheter placement and extraction experience using ultrasound-guided transversus abdominis plane (TAP) block. ♦ Methods: In the present study, we analyzed 74 patients from our center with end-stage renal disease (ESRD) who underwent PD catheter placement (60 patients) and removal (14 patients) using a TAP block between June 2011 and December 2015. ♦ Results: The TAP block was successful for 55/60 (91...
April 13, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28399893/ultrasound-guided-steroid-tendon-sheath-injections-in-juvenile-idiopathic-arthritis-a-10-year-single-center-retrospective-study
#19
Shannon E Peters, Ronald M Laxer, Bairbre L Connolly, Dimitri A Parra
BACKGROUND: The aims of this study were to: (a) Identify tendon sheaths most commonly treated with steroid injections in a pediatric patient population with Juvenile Idiopathic Arthritis (JIA); (b) Describe technical aspects of the procedure; (c) Characterize sonographic appearance of tenosynovitis in JIA; (d) Assess agreement between clinical request and sites injected. METHODS: This was a 10 year single-center retrospective study (May 2006-April 2016) of patients with JIA referred by Rheumatology for ultrasound-guided tendon sheath injections...
April 11, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28396863/real-time-ultrasound-mri-fusion-for-suprasacral-parallel-shift-approach-to-lumbosacral-plexus-blockade-and-analysis-of-injectate-spread-an-exploratory-randomized-controlled-trial
#20
RANDOMIZED CONTROLLED TRIAL
Jennie Maria Christin Strid, Erik Morre Pedersen, Sinan Naseer Hussain Al-Karradi, Mathias Alrø Fichtner Bendtsen, Siska Bjørn, Mette Dam, Morten Daugaard, Martin Sejr Hansen, Katrine Danker Linnet, Jens Børglum, Kjeld Søballe, Thomas Fichtner Bendtsen
Fused real-time ultrasound and magnetic resonance imaging (MRI) may be used to improve the accuracy of advanced image guided procedures. However, its use in regional anesthesia is practically nonexistent. In this randomized controlled crossover trial, we aim to explore effectiveness, procedure-related outcomes, injectate spread analyzed by MRI, and safety of ultrasound/MRI fusion versus ultrasound guided Suprasacral Parallel Shift (SSPS) technique for lumbosacral plexus blockade. Twenty-six healthy subjects aged 21-36 years received two SSPS blocks (20 mL 2% lidocaine-epinephrine [1 : 200,000] added 1 mL diluted contrast) guided by ultrasound/MRI fusion versus ultrasound...
2017: BioMed Research International
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