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Emergency use of ultrasounds

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https://www.readbyqxmd.com/read/29450742/focused-cardiac-ultrasound-as-a-predictor-of-readmission-in-acute-decompensated-heart-failure
#1
Luke J Laffin, Amit V Patel, Narayan Saha, Julian Barbat, James K Hall, Matthew Cain, Kishan Parikh, Jay Shah, Kirk T Spencer
Acute decompensated heart failure (ADHF) is a common reason for admission to the hospital, and readmission is frequent. Multiple factors contribute to rehospitalizations, but inadequate assessment of volume status leading to persistent congestion is an important factor. We sought to determine if focused cardiac ultrasound (FCU) of the inferior vena cava (IVC), as a surrogate of volume status, would predict readmission of ADHF patients after index hospitalization. Patients admitted with a primary diagnosis of ADHF were prospectively enrolled...
February 15, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29449120/bilateral-phlegmasia-cerulea-dolens-after-warfarin-reversal-for-acute-rectal-bleeding-a-case-report
#2
Burr Fong, Daniel Novak, Michael Dalley, Gregory Alfred
BACKGROUND: Deep vein thrombosis (DVT) is a common disease that is diagnosed in approximately 1 in 1000 adults annually. Extensive DVT can lead to life- or limb-threatening diagnoses such as phlegmasia cerulea dolens (PCD), phlegmasia alba dolens, and venous gangrene. PCD, also known as massive iliofemoral venous thrombosis, is rare, and a severe complication of DVT. CASE REPORT: We report a case of a 94-year-old bedridden woman with past medical history of dementia, hypertension, pulmonary embolism, DVT, and atrial fibrillation...
February 12, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29446113/use-of-a-simple-inexpensive-dual-modality-phantom-as-a-learning-tool-for-magnetic-resonance-imaging-ultrasound-fusion-techniques
#3
William R Walter, Christopher J Burke, Mamadou Diallo, Ronald S Adler
We describe an easily constructed, customizable phantom for magnetic resonance imaging-ultrasound fusion imaging and demonstrate its role as a learning tool to initiate clinical use of this emerging modality. Magnetic resonance imaging-ultrasound fusion can prove unwieldy to integrate into routine practice. We demonstrate real-time fusion with single-sequence magnetic resonance imaging uploaded to the ultrasound console. Phantom training sessions allow radiologists and sonographers to practice fiducial marker selection and improve efficiency with the fusion hardware and software interfaces...
February 15, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29445882/procedure-rates-performed-by-emergency-medicine-residents-a-retrospective-review
#4
Joshua T Bucher, Christopher Bryczkowski, Grant Wei, Renee L Riggs, Anoop Kotwal, Brian Sumner, Jonathan V McCoy
BACKGROUND: The purpose of our study is to investigate rates of individual procedures performed by residents in our emergency medicine (EM) residency program. Different programs expose residents to different training environments. Our hypothesis is that ultrasound examinations are the most commonly performed procedure in our residency. METHODS: The study took place in an academic level I trauma center with multiple residency and fellowship programs including surgery, surgical critical care, trauma, medicine, pulmonary/critical care, anesthesiology and others...
February 14, 2018: International Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29441480/prognostic-value-of-cardiovascular-calcifications-in-hemodialysis-patients-a-longitudinal-study
#5
Nada Dimkovic, Georg Schlieper, Aleksandar Jankovic, Zivka Djuric, Marcus Ketteler, Tatjana Damjanovic, Petar Djuric, Jelena Marinkovic, Zoran Radojcic, Natasa Markovic, Jürgen Floege
PURPOSE: Cardiovascular calcifications (CVC) are present in up to 70% of non-diabetic dialysis patients. Sparse data are available on predictors of very long-term outcomes of such patients. The Belgrade Aachen Study on Calcification in Hemodialysis patients (BASCH study) aimed to study this using a comprehensive CVC assessment. METHODS: We prospectively analyzed 220 hemodialysis patients followed for a mean of 76 months (median 73 months, range 6-160 months). We compared patients deceased from cardiovascular diseases (CVD) and survivors...
February 13, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29438133/accuracy-of-ultrasound-exam-performed-by-emergency-medicine-versus-radiology-residents-in-the-diagnosis-of-acute-appendicitis
#6
Marzieh Shahbazipar, Javad Seyedhosseini, Elnaz Vahidi, Hojat Sheikh Motahar Vahedi, Amirhossein Jahanshir
BACKGROUND: Although the traditional approach to the diagnosis of acute appendicitis (AA) is using clinical methods, experience has shown that strict reliance on clinical data can lead to mismanagement or unnecessary surgery. OBJECTIVE: The objective of this study was to determine the total agreement of ultrasound (US) results in AA performed by emergency medicine (EM) versus radiology residents in emergency department. PATIENTS AND METHODS: In this cross-sectional study, 121 patients with AA suspicion underwent an US exam by both trained EM and radiology residents in emergency department...
February 12, 2018: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/29438126/sonographic-evaluation-and-monitoring-of-pneumoperitoneum-after-air-enema-reduction-for-intussusception
#7
Amy Z Zhou, Amy Toporowski, James W Tsung
Abdominal radiography and computed tomography scans are standard tests to diagnose pneumoperitoneum. With the growing availability of point-of-care ultrasound, pneumoperitoneum may be diagnosed in settings without easy access to radiography or computed tomography, such as in overcrowded emergency departments or resource-poor environments. The use of point-of-care ultrasound to diagnose or monitor pneumoperitoneum has been described in adult but not pediatric patients. We present a case of point-of-care ultrasound detection of pneumoperitoneum and monitoring for tension pneumoperitoneum, after failed air enema reduction for intussusception in an infant...
February 12, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29436519/low-intensity-focused-ultrasound-alters-the-latency-and-spatial-patterns-of-sensory-evoked-cortical-responses-in-vivo
#8
Jonathan A N Fisher, Iryna Gumenchuk
The use of transcranial, low intensity focused ultrasound (FUS) is an emerging neuromodulation technology that shows promise for both therapeutic and research applications. Among many, one of the most exciting applications is the use of FUS to rehabilitate or augment human sensory capabilities. While there is compelling empirical evidence demonstrating this capability, basic questions regarding the spatiotemporal extent of the modulatory effects remain. Our objective was to assess the basic, yet often overlooked hypothesis that FUS in fact alters sensory-evoked neural activity within the region of the cerebral cortex at the beam's focus...
February 13, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29436153/advanced-imaging-technology-applications-in-cytology
#9
Liron Pantanowitz, Frederic Preffer, David C Wilbur
Novel techniques have been developed to image cells at cellular and subcellular levels. They allow images to be analyzed with ultra-high resolution, in 2D and/or 3D. Several of these tools have been tested on cytology specimens demonstrating emerging applications that are likely to change the field of cytopathology. This review covers several of these advanced imaging methods. The use of optical coherence tomography to perform optical biopsies during endoscopic ultrasound procedures or visualize cells within effusion samples is discussed...
February 12, 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29433507/sudden-spleen-rupture-in-a-plasmodium-vivax-infected-patient-undergoing-malaria-treatment
#10
Aleix Elizalde-Torrent, Fernando Val, Ingrid Cardoso C Azevedo, Wuelton M Monteiro, Luiz C L Ferreira, Carmen Fernández-Becerra, Hernando A Del Portillo, Marcus V G Lacerda
BACKGROUND: Splenomegaly is one of the most common features of malaria. However, spontaneous splenic rupture, although unusual, represents a severe complication often leading to death. It is mostly seen in acute infection and primary attack, and it is most commonly associated with Plasmodium vivax. Here, a case of spontaneous splenic rupture diagnosed with a portable ultrasound apparatus shortly after starting treatment and with recurrent parasitaemia after splenectomy, is reported. CASE DESCRIPTION: In November 2015, a 45-year-old Brazilian man presented to the hospital in Manaus with fever, headache and myalgia...
February 13, 2018: Malaria Journal
https://www.readbyqxmd.com/read/29429762/enthesitis-a-hallmark-of-psoriatic-arthritis
#11
REVIEW
Gurjit S Kaeley, Lihi Eder, Sibel Z Aydin, Marwin Gutierrez, Catherine Bakewell
OBJECTIVE: To describe the growing importance of enthesitis in patients with psoriatic arthritis (PsA) and discuss the advantages and disadvantages of clinical and imaging methods currently used to assess enthesitis. METHODS: PubMed literature searches were conducted using the terms psoriatic arthritis, entheses, enthesitis, pathology, imaging, ultrasound, magnetic resonance imaging, clinical, and indices. Articles were deemed relevant if they provided insight into the pathology, monitoring, and/or diagnosis of enthesitis in PsA, or if they discussed clinical or imaging indices used to assess enthesitis...
January 6, 2018: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29429720/ultrafast-monitoring-and-control-of-subharmonic-emissions-of-an-unseeded-bubble-cloud-during-pulsed-sonication
#12
Corentin Cornu, Matthieu Guédra, Jean-Christophe Béra, Hao-Li Liu, Wen-Shiang Chen, Claude Inserra
In the aim of limiting the destructive effects of collapsing bubbles, the regime of stable cavitation activity is currently targeted for sensitive therapeutic applications such as blood-brain barrier opening by ultrasound. This activity is quantified through the emergence of the subharmonic component of the fundamental frequency. Due to the intrinsically stochastic behavior of the cavitation phenomenon, a better control of the different (stable or inertial) cavitation regimes is a key requirement in the understanding of the mechanisms involving each bubble-induced mechanical effect...
April 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29429649/effects-of-ultrasound-energy-density-on-the-non-thermal-pasteurization-of-chocolate-milk-beverage
#13
Sara H M C Monteiro, Eric Keven Silva, Verônica O Alvarenga, Jeremias Moraes, Mônica Q Freitas, Márcia C Silva, Renata S L Raices, Anderson S Sant'Ana, M Angela A Meireles, Adriano G Cruz
This study presents the emerging high-intensity ultrasound (HIUS) processing as a non-thermal alternative to high-temperature short-time pasteurization (HTST). Chocolate milk beverage (CMB) was subjected to different ultrasound energy densities (0.3-3.0 kJ/cm3), as compared to HTST pasteurization (72 °C/15 s) aimed to verify the effect of the HIUS processing on the microbiological and physicochemical characteristics of the beverage. The application of HIUS at an energy density of 3.0 kJ/cm3 was able to reduce 3...
April 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29429201/-survey-on-the-prevalence-of-continuous-blood-purification-in-chinese-pediatric-critical-care
#14
X Yang, S Y Qian, Y M Zhu, X Xu, C F Liu, F Xu, X X Ren, Y Wang, Y C Zhang, G P Lu
Objective: To investigate the current application status of continuous blood purification (CBP) technology and equipment in pediatric intensive care unit (PICU) in China. Methods: A cross-sectional survey was conducted to understand the current popularization of CBP technology and equipment, the management of CBP equipment and consumables, and the application of CBP in different diseases. A questionnaire named Application Status of Continuous Blood Purification Technology was applied. Children's hospitals and polyclinic hospitals with the pediatric qualification (pediatric emergency or critical care unit members of Chinese Medical Association and Chinese Medical Doctor Association) were selected...
February 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29428754/follicular-dynamics-circulating-progesterone-and-fertility-in-holstein-cows-synchronized-with-reused-intravaginal-progesterone-implants-that-were-sanitized-by-autoclave-or-chemical-disinfection
#15
L F Melo, P L J Monteiro, A B Nascimento, J N Drum, C Spies, A B Prata, M C Wiltbank, R Sartori
This experiment aimed to compare circulating progesterone (P4), follicular dynamics, and fertility during reuse of intravaginal P4 implants that were sanitized by autoclave or chemical disinfection in lactating Holstein cows submitted to fixed-time artificial insemination (FTAI). For this, 123 primiparous and 226 multiparous cows from 2 farms, averaging (mean ± standard deviation) 163.9 ± 141.9 d in milk, 35.7 ± 11.3 kg of milk/d, and a body condition score of 2.9 ± 0.5, were enrolled in the study. Cows were randomly assigned to 1 of 2 treatments using a completely randomized design and each cow received a reused implant (1...
February 7, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29427374/economic-analysis-of-diagnostic-imaging-in-pediatric-patients-with-suspected-appendicitis
#16
Anupam B Kharbanda, Eric W Christensen, Nanette C Dudley, Lalit Bajaj, Michelle D Stevenson, Charles G Macias, Manoj K Mittal, Richard G Bachur, Jonathan E Bennett, Kelly Sinclair, Brianna McMichael, Peter S Dayan
OBJECTIVE: The use of computed tomography (CT) and ultrasound (US) in patients with acute abdominal pain has substantial variation across pediatric emergency departments (ED). This study compares the cost of diagnosing and treating suspected appendicitis across a multi-center network of children's hospitals. METHODS: This study is a secondary analysis using de-identified data of a prospective, observational study of patients with suspected appendicitis at nine pediatric EDs...
February 10, 2018: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29426979/role-of-ultrasound-in-detection-of-radiolucent-foreign-bodies-in-extremities
#17
Mehraj D Tantray, Asim Rather, Qazi Manaan, Irfan Andleeb, Mir Mohammad, Yasmeena Gull
Removal of foreign bodies from soft tissues in emergency is very challenging and becomes more problematic when it is radiolucent. Blind exploration is sometimes hazardous for patients especially when it is in proximity to a vessel or a nerve or an overlying tendon. The purpose of this study was to determine the accuracy of ultrasonography (USG) in detecting radiolucent soft tissue foreign bodies in the extremities. From January 2014 to January 2016, 120 patients with either a positive history or clinically suspected soft tissue foreign body and negative radiography were evaluated by USG with a high-frequency (13-6 MHz) linear-array transducer...
February 9, 2018: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/29422817/current-applications-of-high-frequency-ultrasonography-in-dermatology
#18
REVIEW
Adriana Polańska, Aleksandra Dańczak-Pazdrowska, Magdalena Jałowska, Ryszard Żaba, Zygmunt Adamski
The era of ultrasounds in dermatology started in 1979, when pioneering use of 15 MHz by Alexander and Miller in measuring the skin thickness was introduced. Since then, some new applications of high-frequency ultrasonography (HF-USG) have emerged providing the clinicians with an extra hand in their everyday practice. The main advantages of HF-USG include the possibility of real-time imaging, measurements of morphological and physiological aspects of the skin, safety associated with the use of non-ionizing media as well as the lack of contraindications to its performance...
December 2017: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/29422676/pro-apoptotic-liposomes-nanobubble-conjugate-synergistic-with-paclitaxel-a-platform-for-ultrasound-responsive-image-guided-drug-delivery
#19
Rajeet Chandan, Rinti Banerjee
Recently, liposomes-microbubble conjugates have emerged as a promising ultrasound (US)-responsive platform for cancer therapeutics. However, these are limited by their size in terms of tumor penetration. Additionally, there have been no attempts to enhance the smartness of such conjugates which have been used only as passive carriers. The present study explores submicron sized (756 ± 180.0 nm), US-responsive, phosphatidylserine (PS)-based paclitaxel-liposomes-nanobubble conjugates (PSPLBC) with an additional pro-apoptotic effect towards enhanced anti-cancer efficacy and image-guidance...
February 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29414720/comparison-of-techniques-for-visualisation-of-the-airway-anatomy-for-ultrasound-assisted-intubation-a-prospective-study-of-emergency-department-patients
#20
Michael J Romano, Jacques S Lee, Jordan Chenkin
PURPOSE: Ultrasound has been shown to be a highly accurate adjunct for confirming endotracheal tube (ETT) placement, however there is no universally accepted scanning technique. The objective of this study was to determine which ultrasound technique provides the highest rate of adequate airway visualisation in a sample of stable emergency department (ED) patients. METHODS: We conducted a prospective observational study using a convenience sample of ED patients. Airway imaging was performed using the following five techniques: 1) transcricothryoid membrane (TCM), 2) suprasternal notch (SSN) without transducer pressure, 3) SSN with pressure, 4) SSN with pressure to the left of the trachea and 5) SSN with pressure to the right of the trachea...
February 4, 2018: Anaesthesia, Critical Care & Pain Medicine
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