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https://www.readbyqxmd.com/read/28226851/transcranial-focused-ultrasound-for-bold-fmri-signal-modulation-in-humans
#1
Leo Ai, Jerel K Mueller, Andrea Grant, Yigitcan Eryaman, Wynn Legon, Leo Ai, Jerel K Mueller, Andrea Grant, Yigitcan Eryaman, Wynn Legon, Andrea Grant, Wynn Legon, Yigitcan Eryaman, Leo Ai, Jerel K Mueller
Transcranial focused ultrasound (tFUS) is an emerging form of non-surgical human neuromodulation that confers advantages over existing electro and electromagnetic technologies by providing a superior spatial resolution on the millimeter scale as well as the capability to target sub-cortical structures non-invasively. An examination of the pairing of tFUS and blood oxygen level dependent (BOLD) functional MRI (fMRI) in humans is presented here.
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226686/multiview-echocardiography-fusion-using-an-electromagnetic-tracking-system
#2
Kumaradevan Punithakumar, Abhilash R Hareendranathan, Riitta Paakkanen, Nehan Khan, Michelle Noga, Pierre Boulanger, Harald Becher, Kumaradevan Punithakumar, Abhilash R Hareendranathan, Riitta Paakkanen, Nehan Khan, Michelle Noga, Pierre Boulanger, Harald Becher, Harald Becher, Nehan Khan, Riitta Paakkanen, Michelle Noga, Kumaradevan Punithakumar, Abhilash R Hareendranathan, Pierre Boulanger
Three-dimensional ultrasound is an emerging modality for the assessment of complex cardiac anatomy and function. The advantages of this modality include lack of ionizing radiation, portability, low cost, and high temporal resolution. Major limitations include limited field-of-view, reliance on frequently limited acoustic windows, and poor signal to noise ratio. This study proposes a novel approach to combine multiple views into a single image using an electromagnetic tracking system in order to improve the field-of-view...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28223817/emergency-thoracic-ultrasound-and-clinical-risk-management
#3
Maria Concetta Interrigi, Francesca M Trovato, Daniela Catalano, Guglielmo M Trovato
PURPOSE: Thoracic ultrasound (TUS) has been proposed as an easy-option replacement for chest X-ray (CXR) in emergency diagnosis of pneumonia, pleural effusion, and pneumothorax. We investigated CXR unforeseen diagnosis, subsequently investigated by TUS, considering its usefulness in clinical risk assessment and management and also assessing the sustainability of telementoring. PATIENTS AND METHODS: This observational report includes a period of 6 months with proactive concurrent adjunctive TUS diagnosis telementoring, which was done using freely available smartphone applications for transfer of images and movies...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28221281/first-attempt-success-longevity-and-complication-rates-of-ultrasound-guided-peripheral-intravenous-catheters-in-children
#4
Alexandra M Vinograd, Joseph J Zorc, Anthony J Dean, Mary Kate F Abbadessa, Aaron E Chen
OBJECTIVE: The aim of this study was to examine the success rates, longevity, and complications of ultrasound-guided peripheral intravenous lines (USgPIVs) placed in a pediatric emergency department. METHODS: The study analyzed 300 USgPIV attempts in an urban tertiary-care pediatric emergency department. Data regarding USgPIV placement were collected from a 1-page form completed by the clinician placing the USgPIV. The time and reason for USgPIV removal were extracted from the medical record for patients with USgPIVs admitted to the hospital...
February 18, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28221279/risk-factors-for-recurrent-intussusception-after-fluoroscopy-guided-air-enema
#5
Jung Heon Kim, Jong Seung Lee, Jeong Min Ryu, Kyoung Soo Lim, Won Young Kim
OBJECTIVES: The aim of this study was to identify risk factors for recurrent intussusception after a successful reduction by fluoroscopy-guided air enema, the time required for recurrence, and the association between delayed reduction and the recurrence. METHODS: Medical records of 479 consecutive children with intussusception who underwent fluoroscopy-guided air enema between January 2004 and September 2014 were reviewed. Recurrent intussusception was defined as a recurrence within 48 hours of a reduction...
February 18, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28218203/cystic-dystrophy-of-the-duodenal-wall-a-rare-but-need-to-know-disease
#6
Lydia Plana Campos, Carlos Alventosa Mateu, Javier Sempere García-Argüelles, Ana Belén Durá Ayet, Inma Bort Pérez, Patricia Suárez Callol
Cystic dystrophy of the duodenal wall (CDDW) is a serious but uncommon complication of heterotopic pancreatic tissue characterized by increased duodenal wall thickness associated with intraparietal cystic lesions. It is mainly observed in middle-aged male patients with alcoholic chronic pancreatitis. Clinical symptoms are usually nonspecific and it is important to take them into account in patients with the abovementioned history. Imaging techniques have been useful for diagnosis, especially endoscopic ultrasound (EUS), to visualize cystic lesions in the wall...
January 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28217680/first-reported-case-of-fetal-aortic-valvuloplasty-in-asia
#7
Sun-Young Yoon, Hye-Sung Won, Mi-Young Lee, Min Kyong Cho, Euiseok Jung, Ki-Soo Kim, Young-Hwue Kim
Prenatal intervention of severe fetal aortic valve stenosis by ultrasound-guided percutaneous balloon valvuloplasty has been performed to prevent the progression to hypoplastic left heart syndrome, and achieve biventricular circulation in neonates. Here we report a case of fetal aortic valvuloplasty prenatally diagnosed with aortic stenosis at 24 weeks of gestation and showed worsening features on a follow-up echocardiography. Prenatal aortic valvuloplasty was performed at 29 weeks of gestation, and was a technical success...
January 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28216698/clinical-application-of-point-of-care-transthoracic-echocardiography-in-perioperative-period
#8
REVIEW
Swaroop Margale, Kurichi Marudhachalam, Sarvesh Natani
Transthoracic echocardiography (TTE) has established its role for diagnosis and management in cardiology and is used by various other specialities in medicine, but it is not routinely practised by anaesthesiologists in the perioperative period including the pre-admission clinic/outpatient clinic. The last decade has seen the emerging role of anaesthesiologist as a 'Perioperative physician'. This review article highlights the potential role and clinical utility, education, teaching and limitations of point of care (POC) TTE modality in perioperative care...
January 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28214369/diagnostic-accuracy-of-history-physical-exam-laboratory-tests-and-point-of-care-ultrasound-for-pediatric-acute-appendicitis-in-the-emergency-department-a-systematic-review-and-meta-analysis
#9
Roshanak Benabbas, Mark Hanna, Jay Shah, Richard Sinert
BACKGROUND: Acute appendicitis (AA) is the most common surgical emergency in children. Accurate and timely diagnosis is crucial but challenging due to atypical presentations and the inherent difficulty of obtaining a reliable history and physical examination in younger children. OBJECTIVES: To determine the utility of history, physical exam, laboratory tests, Pediatric Appendicitis Score (PAS) and Emergency Department-Point-of-Care Ultrasound (ED-POCUS) in the diagnosis of AA in ED pediatric patients...
February 18, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28213833/molecular-imaging-in-synthetic-biology-and-synthetic-biology-in-molecular-imaging
#10
REVIEW
Assaf A Gilad, Mikhail G Shapiro
Biomedical synthetic biology is an emerging field in which cells are engineered at the genetic level to carry out novel functions with relevance to biomedical and industrial applications. This approach promises new treatments, imaging tools, and diagnostics for diseases ranging from gastrointestinal inflammatory syndromes to cancer, diabetes, and neurodegeneration. As these cellular technologies undergo pre-clinical and clinical development, it is becoming essential to monitor their location and function in vivo, necessitating appropriate molecular imaging strategies, and therefore, we have created an interest group within the World Molecular Imaging Society focusing on synthetic biology and reporter gene technologies...
February 17, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28213377/interventional-treatment-of-pulmonary-embolism
#11
David M Dudzinski, Jay Giri, Kenneth Rosenfield
Pulmonary embolism (PE) is a serious and prevalent cause of vascular disease. Nevertheless, optimal treatment for many phenotypes of PE remains uncertain. Treating PE requires appropriate risk stratification as a first step. For the highest-risk PE, presenting as shock or arrest, emergent systemic thrombolysis or embolectomy is reasonable, while for low-risk PE, anticoagulation alone is often chosen. Normotensive patients with PE but with indicia of right heart dysfunction (by biomarkers or imaging) constitute an intermediate-risk group for whom there is controversy on therapeutic strategy...
February 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28211003/an-easy-to-build-low-budget-point-of-care-ultrasound-simulator-from-linux-to-a-web-based-solution
#12
Domagoj Damjanovic, Ulrich Goebel, Benedikt Fischer, Martin Huth, Hartmut Breger, Hartmut Buerkle, Axel Schmutz
BACKGROUND: Hands-on training in point-of-care ultrasound (POC-US) should ideally comprise bedside teaching, as well as simulated clinical scenarios. High-fidelity phantoms and portable ultrasound simulation systems are commercially available, however, at considerable costs. This limits their suitability for medical schools. A Linux-based software for Emergency Department Ultrasound Simulation (edus2TM) was developed by Kulyk and Olszynski in 2011. Its feasibility for POC-US education has been well-documented, and shows good acceptance...
December 2017: Critical Ultrasound Journal
https://www.readbyqxmd.com/read/28210364/caudal-edge-of-the-liver-in-the-right-upper-quadrant-ruq-view-is-the-most-sensitive-area-for-free-fluid-on-the-fast-exam
#13
Viveta Lobo, Michelle Hunter-Behrend, Erin Cullnan, Rebecca Higbee, Caleb Phillips, Sarah Williams, Philips Perera, Laleh Gharahbaghian
INTRODUCTION: The focused assessment with sonography in trauma (FAST) exam is a critical diagnostic test for intraperitoneal free fluid (FF). Current teaching is that fluid accumulates first in Morison's pouch. The goal of this study was to evaluate the "sub-quadrants" of traditional FAST views to determine the most sensitive areas for FF accumulation. METHODS: We analyzed a retrospective cohort of all adult trauma patients who had a recorded FAST exam by emergency physicians at a Level I trauma center from January 2012 - June 2013...
February 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28209559/irreversible-electroporation-for-the-ablation-of-renal-cell-carcinoma-a-prospective-human-in-vivo-study-protocol-ideal-phase-2b
#14
Mara Buijs, Krijn P van Lienden, Peter Gk Wagstaff, Matthijs Jv Scheltema, Daniel M de Bruin, Patricia J Zondervan, Otto M van Delden, Ton G van Leeuwen, Jean Jmch de la Rosette, M Pilar Laguna
BACKGROUND: Irreversible electroporation (IRE) is an emerging technique delivering electrical pulses to ablate tissue, with the theoretical advantage to overcome the main shortcomings of conventional thermal ablation. Recent short-term research showed that IRE for the ablation of renal masses is a safe and feasible treatment option. In an ablate and resect design, histopathological analysis 4 weeks after radical nephrectomy demonstrated that IRE-targeted renal tumors were completely covered by ablation zone...
February 16, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28209336/analysis-of-blood-from-zika-virus-infected-fetuses-a-prospective-case-series
#15
Bruno Schaub, Manon Vouga, Fatiha Najioullah, Michèle Gueneret, Alice Monthieux, Caroline Harte, Françoise Muller, Eugénie Jolivet, Clara Adenet, Sophie Dreux, Isabelle Leparc-Goffart, Raymond Cesaire, Jean-Luc Volumenie, David Baud
BACKGROUND: Zika virus has spread through the Americas and the Caribbean since early 2015 and was rapidly declared a Public Health Emergency of International Concern by WHO because of the potential association with fetal anomalies. We analysed fetal and maternal fluids and tissues in fetuses with confirmed Zika virus infection prospectively monitored in Martinique, a French Caribbean island. METHODS: Since the beginning of the Zika virus outbreak in Martinique, all pregnant women undergo monthly fetal ultrasound examination surveillance...
February 10, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28208932/spontaneous-rupture-of-the-main-pancreatic-duct-synchronous-with-a-multi-focal-microscopic-pancreatic-adenocarcinoma-a-case-report
#16
Shirly Shohat, Katerina Shulman, Boris Kessel, Oren Gal, Abdel Rauf Zeina
Pancreatic cancer is one of the most lethal types of malignant tumours, commonly diagnosed at an advanced stage. The only curative treatment for this fatal disease is surgery and early diagnosis is the key to a better outcome and prognosis. In this case report we present a 57-year-old woman presenting to the emergency room with abdominal pain and weight loss. Computer Tomography (CT) imaging showed a rupture of the main pancreatic duct and a peri-pancreatic fluid collection with no evidence of a pancreatic mass...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208698/advances-in-molecular-imaging-of-locally-delivered-targeted-therapeutics-for-central-nervous-system-tumors
#17
REVIEW
Umberto Tosi, Christopher S Marnell, Raymond Chang, William C Cho, Richard Ting, Uday B Maachani, Mark M Souweidane
Thanks to the recent advances in the development of chemotherapeutics, the morbidity and mortality of many cancers has decreased significantly. However, compared to oncology in general, the field of neuro-oncology has lagged behind. While new molecularly targeted chemotherapeutics have emerged, the impermeability of the blood-brain barrier (BBB) renders systemic delivery of these clinical agents suboptimal. To circumvent the BBB, novel routes of administration are being applied in the clinic, ranging from intra-arterial infusion and direct infusion into the target tissue (convection enhanced delivery (CED)) to the use of focused ultrasound to temporarily disrupt the BBB...
February 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28207968/mri-vs-ultrasound-as-the-initial-imaging-modality-for-pediatric-and-young-adult-patients-with-suspected-appendicitis
#18
Daniel Imler, Christine Keller, Shyam Sivasankar, Nancy Ewen Wang, Shreyas Vasanawala, Matias Bruzoni, James Quinn
BACKGROUND: While ultrasound (US), given its lack of ionizing radiation is currently the recommended initial imaging study of choice for the diagnosis of appendicitis in pediatric and young adult patients, it does have significant shortcomings. US is time intensive, operator dependent, and results in frequent inconclusive studies, thus necessitating further imaging, and admission for observation or repeat clinical visits. A rapid focused Magnetic Resonance Imaging (MRI) for appendicitis has been shown to have definitive sensitivity and specificity, similar to Computed tomography (CT) but without radiation and offers a potential alternative to US...
February 16, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28202294/point-of-care-lung-ultrasound-in-children-with-community-acquired-pneumonia
#19
Hayri Levent Yilmaz, Ahmet Kağan Özkaya, Sinem Sarı Gökay, Özlem Tolu Kendir, Hande Şenol
OBJECTIVES: To present lung ultrasound findings in children assessed with suspected pneumonia in the emergency department and to show the benefit of lung ultrasound in diagnosing pneumonia in comparison with chest X-rays. METHODS: This observational prospective study was performed in the pediatric emergency department of a single center. Point of care lung ultrasound was performed on each child by an independent sonographer blinded to the patient's clinical and chest X-ray findings...
February 1, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28199752/effect-of-transversus-abdominis-plane-block-in-combination-with-general-anesthesia-on-perioperative-opioid-consumption-hemodynamics-and-recovery-in-living-liver-donors-the-prospective-double-blinded-randomized-study
#20
Mehmet Ali Erdogan, Ulku Ozgul, Muharrem Uçar, Rıdvan Yalin, Yusuf Ziya Colak, Cemil Çolak, Huseyin Ilksen Toprak
BACKGROUND: Transversus abdominis plane (TAP) block provides effective postoperative analgesia after abdominal surgeries. It can be also a useful strategy to reduce perioperative opioid consumption, support intraoperative hemodynamic stability and promote early recovery from anesthesia. The aim of this prospective randomized double-blind study was to assess the effect of subcostal TAP blocks on perioperative opioid consumption, hemodynamic and recovery time in living liver donors. METODS: The prospective, double-blinded, randomized controlled study was conducted with 49 living liver donors, aged 18-65 years, who were scheduled to undergo right hepatectomy...
February 15, 2017: Clinical Transplantation
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