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https://www.readbyqxmd.com/read/28917678/optical-frequency-domain-imaging-versus-intravascular-ultrasound-in-percutaneous-coronary-intervention-opinion-trial-results-from-the-opinion-imaging-study
#1
Hiromasa Otake, Takashi Kubo, Hachidai Takahashi, Toshiro Shinke, Takayuki Okamura, Kiyoshi Hibi, Gaku Nakazawa, Yoshihiro Morino, Junya Shite, Tetsuya Fusazaki, Ken Kozuma, Tetsuya Ioji, Hideaki Kaneda, Takashi Akasaka
OBJECTIVES: We sought to clarify how intravascular ultrasound (IVUS) and optical coherence tomography affect percutaneous coronary intervention (PCI) with current-generation drug-eluting stents in a pre-specified substudy of the OPINION (OPtical frequency domain imaging versus INtravascular ultrasound in percutaneous coronary interventiON) trial, a multicenter, prospective, randomized, noninferiority trial comparing optical frequency domain imaging (OFDI)-guided PCI with IVUS-guided PCI...
September 9, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28916590/us-emergency-department-trends-in-imaging-for-pediatric-nontraumatic-abdominal-pain
#2
Lauren M Niles, Monika K Goyal, Gia M Badolato, James M Chamberlain, Joanna S Cohen
OBJECTIVES: To describe national emergency department (ED) trends in computed tomography (CT) and ultrasound imaging for the evaluation of pediatric nontraumatic abdominal pain from 2007 through 2014. METHODS: We used data from the National Hospital Ambulatory Medical Care Survey to measure trends in CT and ultrasound use among children with nontraumatic abdominal pain. We performed multivariable logistic regression to measure the strength of the association of ED type (pediatric versus general ED) with CT and ultrasound use adjusting for potential confounding variables...
September 15, 2017: Pediatrics
https://www.readbyqxmd.com/read/28916478/a-retrospective-study-of-pulseless-electrical-activity-bedside-ultrasound-identifies-interventions-during-resuscitation-associated-with-improved-survival-to-hospital-admission-a-reason-study
#3
Romolo Gaspari, Anthony Weekes, Srikar Adhikari, Vicki Noble, Jason T Nomura, Daniel Theodoro, Michael Woo, Paul Atkinson, David Blehar, Samuel Brown, Terrell Caffery, Emily Douglass, Jacqueline Fraser, Christine Haines, Samuel Lam, Michael Lanspa, Margaret Lewis, Otto Liebmann, Alexander Limkakeng, Fernando Lopez, Elke Platz, Michelle Mendoza, Hal Minnigan, Christopher Moore, Joseph Novik, Louise Rang, Will Scruggs, Christopher Raio
OBJECTIVE: Our objective was to determine whether organized or disorganized cardiac activity is associated with increased survival in patients who present in pulseless electrical activity (PEA) treated with either 1) standard advanced cardiac life support (ACLS) medications or 2) other interventions. METHODS: This was a secondary analysis of a prospective, multi-center observational study utilizing ultrasound in out-of-hospital or inemergency department PEA arrest...
September 12, 2017: Resuscitation
https://www.readbyqxmd.com/read/28915826/acupuncture-lowering-blood-pressure-for-secondary-prevention-of-stroke-a-study-protocol-for-a-multicenter-randomized-controlled-trial
#4
Yu-Zheng Du, Xin-Xin Gao, Cheng-Ting Wang, Hai-Zhen Zheng, Yun Lei, Meng-Han Wu, Xue-Min Shi, Hai-Peng Ban, Wen-Long Gu, Xiang-Gang Meng, Mao-Ti Wei, Chun-Xiao Hu
BACKGROUND: Stroke is the prime cause of morbidity and mortality in the general population, and hypertension will increase the recurrence and mortality of stroke. We report a protocol of a pragmatic randomized controlled trial (RCT) using blood pressure (BP)-lowering acupuncture add-on treatment to treat patients with hypertension and stroke. METHODS: This is a large-scale, multicenter, subject-, assessor- and analyst-blinded, pragmatic RCT. A total of 480 patients with hypertension and ischemic stroke will be randomly assigned to two groups: an experimental group and a control group...
September 15, 2017: Trials
https://www.readbyqxmd.com/read/28914285/hospital-medicine-point-of-care-ultrasound-credentialing-an-example-protocol
#5
Benji K Mathews, Michael Zwank
Though the use of point-of-care ultrasound (POCUS) has increased over the last decade, formal hospital credentialing for POCUS may still be a challenge for hospitalists. This document details the Hospital Medicine Department Ultrasound Credentialing Policy from Regions Hospital, which is part of the HealthPartners organization in Saint Paul, Minnesota. National organizations from internal medicine and hospital medicine (HM) have not published recommended guidelines for POCUS credentialing. Revised guidelines for POCUS have been published by the American College of Emergency Physicians, though these are not likely intended to guide hospitalists when working with credentialing committees and medical boards...
September 2017: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/28912896/investigation-of-the-safety-of-focused-ultrasound-induced-blood-brain-barrier-opening-in-a-natural-canine-model-of-aging
#6
Meaghan Anne O'Reilly, Ryan Matthew Jones, Edward Barrett, Anthony Schwab, Elizabeth Head, Kullervo Hynynen
Rationale: Ultrasound-mediated opening of the Blood-Brain Barrier(BBB) has shown exciting potential for the treatment of Alzheimer's disease(AD). Studies in transgenic mouse models have shown that this approach can reduce plaque pathology and improve spatial memory. Before clinical translation can occur the safety of the method needs to be tested in a larger brain that allows lower frequencies be used to treat larger tissue volumes, simulating clinical situations. Here we investigate the safety of opening the BBB in half of the brain in a large aged animal model with naturally occurring amyloid deposits...
2017: Theranostics
https://www.readbyqxmd.com/read/28900890/high-level-of-venous-thromboembolism-in-critically-ill-trauma-patients-despite-early-and-well-driven-thromboprophylaxis-protocol
#7
S R Hamada, C Espina, T Guedj, R Buaron, A Harrois, S Figueiredo, J Duranteau
BACKGROUND: Venous thromboembolism (VTE) is one of the most common preventable causes of in-hospital death in trauma patients surviving their injuries. We assessed the prevalence, incidence and risk factors for deep venous thrombosis (DVT) and pulmonary embolism (PE) in critically ill trauma patients, in the setting of a mature and early mechanical and pharmacological thromboprophylaxis protocol. METHODS: This was a prospective observational study on a cohort of patients from a surgical intensive care unit of a university level 1 trauma centre...
September 12, 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28900519/point-of-care-ultrasound-in-cardiopulmonary-resuscitation-a-concise-review
#8
REVIEW
Pablo Blanco, Carmen Martínez Buendía
Point-of-care ultrasound (POCUS) is a widely used tool in critical care areas, allowing for the performance of accurate diagnoses and thus enhancing the decision-making process. Every major organ or system can be safely evaluated with POCUS. In that respect, the utility of POCUS in cardiac arrest is gaining interest. In this article, we will review the actual role of ultrasound in cardiac arrest and the main POCUS protocols focused to this scenario as well as discuss the potential role of POCUS in monitoring the efficacy of the chest compressions...
September 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28893425/protocol-for-robust-in%C3%A2-vivo-measurements-of-erythrocyte-aggregation-using-ultrasound-spectroscopy
#9
Julian Garcia-Duitama, Boris Chayer, Damien Garcia, Yves Goussard, Guy Cloutier
Erythrocyte aggregation is a non-specific marker of acute and chronic inflammation. Although it is usual to evaluate this phenomenon from blood samples analyzed in laboratory instruments, in vivo real-time assessment of aggregation is possible with spectral ultrasound techniques. However, variable blood flow can affect the interpretation of acoustic measures. Therefore, flow standardization is required. Two techniques of flow standardization were evaluated with porcine and equine blood samples in Couette flow...
September 8, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28891451/fibrinolytic-and-anticoagulation-therapy-in-patients-undergoing-ultrasound-assisted-catheter-directed-thrombolysis-for-pulmonary-embolism
#10
Kimberly Terry, Leo F Buckley, Ahmed Aldemerdash, John Fanikos, Heather Dell Orfano
BACKGROUND: Ultrasound-assisted, catheter-directed thrombolysis (UA-CDT) relieves right ventricular stress without a significant increase in the risk of bleeding compared to systemic thrombolysis. Although concomitant anticoagulation is provided to prevent thrombus expansion, the optimal anticoagulation regimen in patients receiving UA-CDT remains unknown. OBJECTIVE: We sought to describe anticoagulation practices for patients receiving UA-CDT. METHODS: Patients receiving UA-CDT for acute pulmonary embolism (PE) between Jan 1, 2013 to Sept 30, 2014 at a single center were analyzed...
September 7, 2017: Cardiovascular & Hematological Disorders Drug Targets
https://www.readbyqxmd.com/read/28888850/ultrasound-based-follow-up-does-not-increase-survival-in-early-stage-melanoma-patients-a-comparative-cohort-study
#11
S Ribero, S Podlipnik, S Osella-Abate, E Sportoletti-Baduel, E Manubens, A Barreiro, V Caliendo, M Chavez-Bourgeois, C Carrera, P Cassoni, J Malvehy, M T Fierro, S Puig
INTRODUCTION: Different protocols have been used to follow up melanoma patients in stage I-II. However, there is no consensus on the complementary tests that should be requested or the appropriate intervals between visits. Our aim is to compare an ultrasound-based follow-up with a clinical follow-up. PATIENTS AND METHODS: Analysis of two prospectively collected cohorts of melanoma patients in stage IB-IIA from two tertiary referral centres in Barcelona (clinical-based follow-up [C-FU]) and Turin (ultrasound-based follow-up [US-FU])...
September 7, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28885210/does-virtual-touch-iq-elastography-help-to-improve-the-preoperative-diagnosis-of-parotid-tumors-a-prospective-trial
#12
Pamela Zengel, Florian Notter, Christoph A Reichel, Dirk A Clevert
BACKGROUND: It is difficult to assess tumors of the parotid gland preoperatively. However, it is essential for the surgeon to know which kind of tumor is present. Ultrasound is the method of choice, but there is still no reliable differential diagnostic tool for determining whether a tumor is malignant or benign. OBJECTIVE: The aim of our study was to examine the value of Virtual Touch imaging quantification (VTIQ) elastograpy in distinguishing between malignant and benign tumors as well as in identifying the most common benign tumor types...
September 4, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28885206/ultrasound-elastography-in-diagnosis-and-follow-up-for-patients-with-chronic-recurrent-parotitis
#13
Pamela Zengel, Christoph A Reichel, Teresa Vincek, Dirk André Clevert
PURPOSE: Chronic recurrent parotitis (CRP) is a non-obstructive disease with episodes characterized by painful swelling of the parotid gland. It presents in both a juvenile and an adult form, with no clear information on its actual origin. Diagnosis is based on patient medical history and ultrasound examination but is frequently not correctly identified. Acoustic Radiation Force Impulse Imaging (ARFI) is a novel ultrasound elastography technology that has recently been implemented in the diagnostic work-up of patients with malignancies...
September 4, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28885096/infant-hydrocephalus-in-sub-saharan-africa-the-reality-on-the-tanzanian-side-of-the-lake
#14
Maria M Santos, Derick K Rubagumya, Imani Dominic, Amos Brighton, Soledad Colombe, Philip O'Donnell, Micaella R Zubkov, Roger Härtl
OBJECTIVE Infant hydrocephalus is estimated to affect more than 100,000 new infants each year in sub-Saharan Africa (SSA). Bugando Medical Centre (BMC), a government-funded and patient cost-shared referral center, serves over 13 million people in the Lake and Western regions of Tanzania. The goals of this study were to characterize the infant population affected by hydrocephalus who presented to BMC and were treated with a ventriculoperitoneal shunt (VPS) to determine the rate of early complications associated with this surgical procedure and to assess its potential risk factors...
September 8, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28882659/review-of-protocols-used-in-ultrasound-thrombolysis
#15
REVIEW
Nicos Papadopoulos, Panayiotis A Kyriacou, Christakis Damianou
OBJECTIVES: This paper focuses on the review of protocols used in thrombolysis studies with ultrasound. MATERIALS AND METHODS: Data from peer-review articles were acquired. RESULTS: The protocols of several published reports are summarized in 3 tables (in vitro, in vivo, and clinical), providing detailed information concerning clot model, thrombolytic drug, treatment mode, sonication parameters, evaluation method, thrombolysis outcome, side effects, and conclusions...
September 4, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28882078/detection-of-fetal-duplication-16p11-2q12-1-by-next-generation-sequencing-of-maternal-plasma-and-invasive-diagnosis
#16
Min Chen, Xiao-Ying Fu, Yu-Qin Luo, Ye-Qing Qian, Ling Pan, Li-Ya Wang, Min-Yue Dong
OBJECTIVE: The objective of study is to report the feasibility of non-invasive prenatal screening (NIPS) combined with invasive detection by chromosomal analysis in identifying fetal duplication, providing clinical performance of NIPS on copy number variations (CNVs) detection. MATERIAL AND METHODS: NIPS was offered to a 35-year-old pregnant woman. Amniocentesis was performed to confirm the positive screening result. Fetal sample was detected by karyotyping, fluorescence in situ hybridization (FISH), and chromosomal microarray (CMA)...
September 7, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28880278/preparation-of-biogenic-gas-vesicle-nanostructures-for-use-as-contrast-agents-for-ultrasound-and-mri
#17
Anupama Lakshmanan, George J Lu, Arash Farhadi, Suchita P Nety, Martin Kunth, Audrey Lee-Gosselin, David Maresca, Raymond W Bourdeau, Melissa Yin, Judy Yan, Christopher Witte, Dina Malounda, F Stuart Foster, Leif Schröder, Mikhail G Shapiro
Gas vesicles (GVs) are a unique class of gas-filled protein nanostructures that are detectable at subnanomolar concentrations and whose physical properties allow them to serve as highly sensitive imaging agents for ultrasound and MRI. Here we provide a protocol for isolating GVs from native and heterologous host organisms, functionalizing these nanostructures with moieties for targeting and fluorescence, characterizing their biophysical properties and imaging them using ultrasound and MRI. GVs can be isolated from natural cyanobacterial and haloarchaeal host organisms or from Escherichia coli expressing a heterologous GV gene cluster and purified using buoyancy-assisted techniques...
October 2017: Nature Protocols
https://www.readbyqxmd.com/read/28879657/an-exploratory-investigation-of-echocardiographic-parameters-and-the-effects-of-posture-on-cardiac-structure-and-function-in-the-livingstone-s-fruit-bat-pteropus-livingstonii
#18
Aimee L Drane, Robert Shave, Andrew Routh, Alberto Barbon
There is growing evidence that dilated cardiomyopathy may be a major cause of death in captive Livingstone's fruit bats (Pteropus livingstonii). Therefore, the primary aim of this prospective, exploratory study was to examine whether a systematic cardiac ultrasound protocol is feasible in this critically endangered species and to report basic measures of cardiac structure and function from a cohort of apparently healthy bats. A secondary aim was to test the effect posture (dorsal recumbency vs. roosting) has upon cardiac function in this species...
September 6, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28875125/ultrasound-diagnosis-of-fractures-in-mass-casualty-incidents
#19
EDITORIAL
Fikri M Abu-Zidan
The role of point-of-care ultrasound in mass casualty incidents (MCIs) is still evolving. Occasionally, hospitals can be destroyed by disasters resulting in large number of trauma patients. CAVEAT and FASTER ultrasound protocols, which are used in MCIs, included extremity ultrasound examination as part of them. The literature supports the use of ultrasound in diagnosing extremity fractures both in hospitals and MCIs. The most recent systematic review which was reported by Douma-den Hamer et al in 2016 showed that the pooled ultrasound sensitivity and specificity for detecting distal forearm fractures was 97% and 95% respectively...
August 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28870937/mri-and-ultrasound-fusion-imaging-for-cervical-cancer
#20
Claire Théodore, Jean Marc Levaillant, Perrine Capmas, Naima Chabi, Dounia Skalli, Laurine Vienet-Legué, Bassam Haddad, Hervé Fernandez, Cyril Touboul
BACKGROUND: Evaluating locoregional extension of cervical cancer is a key step in patient management. This study evaluated the feasibility of fusion imaging - a combination of magnetic resonance imaging (MRI) with real-time high-resolution ultrasound (US) - to diagnose cervical cancer and its extension. PATIENTS AND METHODS: This prospective bi-center study included 13 women who underwent a 1.5-T MRI protocol including at least one T2-weighted plane. The results of imaging fusion were then compared with US and MRI results alone...
September 2017: Anticancer Research
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