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Ultraschall in der Medizin

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https://www.readbyqxmd.com/read/30414162/lung-ultrasound-in-the-assessment-of-pulmonary-complications-after-lung-transplantation
#1
Jesper Rømhild Davidsen, Hans Henrik Lawaetz Schultz, Daniel Pilsgaard Henriksen, Martin Iversen, Anna Kalhauge, Jørn Carlsen, Michael Perch, Ole Graumann, Christian B Laursen
INTRODUCTION:  Lung ultrasound (LUS) has a high diagnostic accuracy for identifying frequent conditions in the post-operative phase after lung transplantation (LTx). This study aimed to investigate the feasibility and clinical ability of LUS to identify pulmonary complications such as pleural effusions and pneumonias in the early postoperative phase after LTx. METHODS:  A prospective cohort study of lung transplant recipients who consecutively underwent single LTx (SLTx) or double LTx (DLTx) at the National Lung Transplantation Center in Denmark from May 1 to October 31, 2015 was conducted...
November 9, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30396218/can-sonographic-fetal-biometry-predict-adverse-perinatal-outcome
#2
Jutta Pretscher, Eva Schwenke, Friederike Baier, Sven Kehl, Michael Schneider, Florian Matthias Stumpfe, Matthias Schmid, Matthias W Beckmann, Andreas Mayr, Ralf Schild, Florian Faschingbauer
OBJECTIVE:  To evaluate the association of sonographic fetal biometry (sonographic head circumference (soHC), sonographic abdominal circumference (soAC), estimated fetal weight (EFW)) with mode of delivery and adverse perinatal outcome. METHODS:  Singleton pregnancies with a gestational age ≥ 37 weeks and an ultrasound examination with complete biometric parameters within 7 days before delivery were retrospectively included. The association between soHC, soAC, EFW and fetal (5-min Apgar < 7, pH < 7...
November 5, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30396217/fetal-doppler-parameters-at-term-in-pregnancies-affected-by-gestational-diabetes-role-in-the-prediction-of-perinatal-outcomes
#3
Alessandra Familiari, Caterina Neri, Chiara Vassallo, Giulia Di Marco, Serafina Garofalo, Carmelinda Martino, Valentina Degennaro, Antonio Lanzone
OBJECTIVE:  The timing of delivery for women affected by gestational diabetes (GDM) is still controversial. Good clinical practice often suggests offering induction of labor at term in order to reduce the complications associated with this condition, while recent evidence supports expectant management. Fetal Doppler parameters represent a validated tool for testing fetal well-being at term and can select pregnancies that need increased surveillance. The aim of the present study was to evaluate the role of fetal Doppler parameters at term for the prediction of pregnancy outcomes in patients affected by GDM...
November 5, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30396216/ultrasonic-adaptive-sound-speed-estimation-for-the-diagnosis-and-quantification-of-hepatic-steatosis-a-pilot-study
#4
Marco Dioguardi Burgio, Marion Imbault, Maxime Ronot, Alex Faccinetto, Bernard E Van Beers, Pierre-Emmanuel Rautou, Laurent Castera, Jean-Luc Gennisson, Mickael Tanter, Valérie Vilgrain
PURPOSE:  To evaluate the ability of a new ultrasound (US) method based on sound speed estimation (SSE) with respect to the detection, quantification, and grading of hepatic steatosis using magnetic resonance (MR) proton density fat fraction (PDFF) as the reference standard and to calculate one US fat index based on the patient's SSE. MATERIALS AND METHODS:  This study received local IRB approval. Written informed consent was obtained from patients. We consecutively included N = 50 patients as the training cohort and a further N = 50 as the validation cohort who underwent both SSE and abdominal MR...
November 5, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30396215/increased-cell-free-fetal-dna-fraction-in-the-first-trimester-a-sign-of-abnormally-invasive-placenta
#5
Dagmar Wertaschnigg, Miha Lucovnik, Eckhard Klieser, Judith Huber-Katamay, Manfred Georg Moertl
No abstract text is available yet for this article.
November 5, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30380576/thrombus-formation-and-arterial-dissection-of-the-wall-of-the-left-pulmonary-artery-caused-by-an-aneurysm-of-the-ductus-arteriosus
#6
Karl Heinz Deeg, André Rüffer
No abstract text is available yet for this article.
October 31, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30366353/cardiovascular-hemodynamic-changes-after-antenatal-corticosteroids-in-growth-restricted-and-appropriate-for-gestational-age-fetuses
#7
Laura Marchi, Lucia Pasquini, Ayten Elvan-Taspinar, Caterina Maddalena Bilardo
PURPOSE:  To investigate hemodynamic effects after antenatal corticosteroids (ACS) administration in appropriate for gestational age (AGA) and early growth restricted (GR) fetuses by measurement of Doppler cardiovascular function parameters. MATERIALS AND METHODS:  Prospective cohort study. AGA and GR singleton pregnancies receiving ACS for fetal lung maturation between 24 + 0 - 33 + 6 weeks were enrolled. Feto-placental vascular hemodynamics were studied by: umbilical artery (UA) pulsatility index (PI), middle cerebral artery (MCA) PI, renal artery (RenA) PI...
October 26, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30360009/when-are-trainees-ready-to-perform-transvaginal-ultrasound-an-observational-study
#8
Martin Tolsgaard, Cergika Veluppillai, Alexandra Gueneuc, Caroline Taksøe-Vester, Nadim Hajal, Jean-Marc Levaillant, Yves Ville, Ann Tabor, Gihad Chalouhi
PURPOSE:  The purpose of this study was two-fold: (1) To determine how the number of ultrasound scans a trainee has completed predicts the trainee's diagnostic accuracy when performing transvaginal ultrasound examinations, and (2) to examine the utility of simulation-based assessment of ultrasound competence for determining readiness for independently performing examinations. MATERIALS AND METHODS:  101 OB/GYN trainees were surveyed regarding their clinical experience and the number of scans they had completed...
October 25, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30360008/intrauterine-fetal-growth-delay-during-late-pregnancy-after-maternal-gastric-bypass-surgery
#9
Michael Feichtinger, Veronica Falcone, Theresa Schoenleitner, Tina Stopp, Peter Wolf Husslein, Wolfgang Eppel, Kinga M Chalubinski, Christian S Göbl
PURPOSE:  To investigate intrauterine fetal growth development and birth anthropometry of fetuses conceived after maternal gastric bypass surgery. MATERIALS AND METHODS:  Longitudinal cohort study describing longitudinal growth estimated by ultrasound on 43 singleton pregnancies after gastric bypass compared to 43 BMI-matched controls. RESULTS:  In fetuses after maternal gastric bypass surgery, growth percentiles decreased markedly from the beginning of the second trimester until the end of the third trimester (decrease of 3...
October 25, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30352452/comparison-of-liver-shear-wave-elastography-measurements-using-siemens-acuson-s3000-ge-logiq-e9-philips-epiq7-and-toshiba-aplio-500-software-versions-5-0-and-6-0-in-healthy-volunteers
#10
Victoria Sofie Gress, Elisa Nadine Glawion, Julian Schmidberger, Wolfgang Kratzer
AIM:  To compare ARFI-based elastography procedures of the GE LOGIQ E9, Philips EPIQ7, and Toshiba Aplio 500 (versions 5.0 and 6.0) ultrasound scanners with the Siemens Acuson S3000 reference scanner in subjects with healthy livers, taking various impact factors into account. MATERIALS AND METHODS:  The study consisted of two subsequent study parts. Study 1 (n = 205) evaluated the 2D-SWE techniques of GE and Toshiba 5.0 and the pSWE technique of the Philips scanner against the reference scanner Siemens...
October 23, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30347420/b-mode-transorbital-ultrasonography-for-the-diagnosis-of-idiopathic-intracranial-hypertension-a-systematic-review-and-meta-analysis
#11
Piergiorgio Lochner, Klaus Fassbender, Sophia Knodel, Anika Andrejewski, Martin Lesmeister, Gudrun Wagenpfeil, Raffaele Nardone, Francesco Brigo
In patients with idiopathic intracranial hypertension (IIH), transorbital sonography (TOS) may reveal an enlargement of the optic nerve sheath diameter (ONSD) and the presence of optic disc elevation (ODE), as a sign of an increase in intracranial pressure (ICP). We systematically reviewed the TOS findings in adults with IIH. MEDLINE, EMBASE, Cochrane Library and CENTRAL (1966 - May 2017) were searched to identify studies reporting data on patients with IIH assessed by B mode-TOS. Data were extracted and included in a meta-analysis, and the quality of the included studies was evaluated...
October 22, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30347419/prenatal-sonographic-head-circumference-and-cerebral-ventricle-width-measurements-before-and-after-open-fetal-myelomeningocele-repair-prediction-of-shunting-during-the-first-year-of-life
#12
Ladina Vonzun, Franziska Maria Winder, Martin Meuli, Ueli Moerlen, Luca Mazzone, Franziska Kraehenmann, Margareth Huesler, Roland Zimmermann, Nicole Ochsenbein
PURPOSE:  The aim of this study was to describe the sonographic evolution of fetal head circumference (HC) and width of the posterior horn of the lateral ventricle (Vp) after open fetal myelomeningocele (fMMC) repair and to assess whether pre- or postoperative measurements are helpful to predict the need for shunting during the first year of life. PATIENTS & METHODS:  All 30 children older than one year by January 2017 who previously had fMMC repair at the Zurich Center for Fetal Diagnosis and Therapy were included...
October 22, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30340247/value-of-ultrasonography-in-the-diagnosis-of-inguinal-hernia-a-retrospective-study
#13
Tanja Maisenbacher, Wolfgang Kratzer, Andrea Formentini, Julian Schmidberger, Tanja Kaltenbach, Doris Henne-Bruns, Tilmann Graeter, Andreas Hillenbrand
PURPOSE:  The diagnosis of an inguinal hernia is usually made clinically. Precise imaging appears to be necessary when the clinical examination is inconclusive. The aim of this study was to determine the diagnostic value of ultrasonography for inguinal hernias and whether it influences the decision for or against surgery. MATERIALS AND METHODS:  This study was a single-center retrospective study carried out from January 2012 to December 2016. All 326 patients had undergone ultrasound scanning of the groin as part of the diagnostic workup...
October 19, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30340246/implementation-of-fetal-cardiac-guidelines-for-the-routine-second-trimester-heart-examination-a-feasibility-study
#14
Angeliki Gerede, Alexandros Sotiriadis, Aikaterini Karavida, Stamatios Petousis, Themistoklis Mikos, Efstratios Assimakopoulos, Basil C Tarlatzis, Apostolos P Athanasiadis
PURPOSE:  This study aimed to explore the feasibility of implementation of the ISUOG 2013 guidelines on routine second-trimester examination of the fetal heart. MATERIALS AND METHODS:  This was a prospective study in 357 women with singleton pregnancy undergoing their routine second-trimester scan. The fetal heart was examined using B-mode in different planes according to the guidelines. Potential maternal and fetal factors that can affect the rates of diagnostic-quality imaging for each of the recommended views were tested, using regression analysis...
October 19, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30340245/intraoperative-shear-wave-elastography-vs-contrast-enhanced-ultrasound-for-the-characterization-and-differentiation-of-focal-liver-lesions-to-optimize-liver-tumor-surgery
#15
Natascha Platz Batista da Silva, Matthias Hornung, Lukas P Beyer, Christina Hackl, Stefan Brunner, Hans Jürgen Schlitt, Philipp Wiggermann, Ernst Michael Jung
PURPOSE:  Assessment of intraoperative quantitative shear wave elastography (SWE) and contrast-enhanced ultrasound (CEUS) for the characterization of focal liver lesions (FLLs) during liver surgery using postoperative histopathological results as the gold standard. MATERIALS AND METHODS:  US data of 79 consecutive patients with 98 FLLs who underwent liver surgery between 08/2015 - 06/2017 were prospectively acquired and retrospectively analyzed. Multifrequency linear/T-shaped probes (6 - 9 MHz) were used to store cine loops of at least 5 s and images of B-mode, SWE and CEUS...
October 19, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30332711/vascularization-of-primary-peripheral-lung-carcinoma-in-ceus-a-retrospective-study-n-89-patients
#16
Hajo Findeisen, Corinna Trenker, Jens Figiel, Brandon H Greene, Konrad Görg, Christian Görg
PURPOSE:  To describe the vascularization of peripheral lung carcinoma in CEUS and to compare with B-mode ultrasound (US) and clinical data. MATERIALS AND METHODS:  From April 2004 until September 2015, n = 89 patients with peripheral lung carcinoma were investigated by B-mode US and CEUS. The extent (EE: hypoechoic, hyperechoic), homogeneity (HE: homogeneous, inhomogeneous) and time of enhancement (TE) have been defined. Early pulmonary-arterial enhancement (PA) before contrast floating to the thoracic wall was differentiated from simultaneous or delayed bronchial-arterial enhancement (BA)...
October 17, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30332710/contrast-enhanced-ultrasound-of-benign-focal-liver-lesions
#17
Christoph F Dietrich
The diagnostic handling of benign focal liver lesions (FLLs) is a challenge and it is difficult to avoid over- and underdiagnosis. Conventional B-mode ultrasound and contrast-enhanced ultrasound (CEUS) are the first-line imaging methods to detect and characterize FLLs. This CME article discusses the diagnostic workup of benign liver tumors.
October 17, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30321881/wall-shear-stress-in-the-feeding-native-conduit-arteries-of-superficial-arteriovenous-malformations-of-the-lower-face-is-a-reliable-marker-of-disease-progression
#18
Imane El Sanharawi, Matthias Barral, Stéphanie Lenck, Jean Guillaume Dillinger, Didier Salvan, Gabrielle Mangin, Adrien Cogo, Olivier Bailliart, Bernard I Levy, Nathalie Kubis, Annouk Bisdorff Bresson, Philippe Bonnin
PURPOSE:  To assess the prognostic value of the wall shear stress (WSS) measured in the feeding native arteries upstream from facial superficial arteriovenous malformations (sAVMs). Reliable prognostic criteria are needed to distinguish progressive from stable sAVMs and thus support the indication for an aggressive or a conservative management to avoid severe facial disfigurement. MATERIALS AND METHODS:  We prospectively included 25 patients with untreated facial sAVMs, 15 patients with surgically resected sAVMs and 15 controls...
October 15, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30253431/correlations-between-ultrasonographic-findings-of-invasive-lobular-carcinoma-of-the-breast-and-intrinsic-subtypes
#19
Xin Wen, Yingjiao Yu, Xiwen Yu, Wen Cheng, Zhuozhong Wang, Lin Liu, Lei Zhang, Ling Qin, Jiawei Tian
PURPOSE:  To analyze the ultrasonographic findings of invasive lobular carcinoma (ILC) of the breast in 360 women and the correlations between the characteristics and the intrinsic subtypes. MATERIALS AND METHODS:  We evaluated the imaging findings according to the lexicon of the American College of Radiology Breast Imaging Reporting and Data System (BI-RADS). The included ultrasonographic features were shape, orientation, margin, echo pattern, posterior features, calcifications, the vascularity of the masses and the presence of architectural distortions...
September 25, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/30253430/fetal-abdominal-aorta-doppler-and-structural-evaluation-of-endothelial-function-in-intrauterine-growth-restriction-and-controls
#20
Sivlia Visentin, Ambrogio P Londero, Maria Calanducci, Enrico Grisan, Maria Caterina Bongiorno, Loris Marin, Erich Cosmi
PURPOSE:  The human aorta stores strain energy in the distended wall during systole through the extracellular matrix of the tunica media that could be influenced by blood pressure, flow, or increased peripheral resistance. In intrauterine growth restriction (IUGR) fetuses, the increased aorta intima media thickness (aIMT) could reflect a different extracellular matrix composition and, therefore, functionality. The aim of this study was to analyze the resistance to flow in the fetal descending aorta and its relation to aIMT and systolic and diastolic fetal abdominal aorta diameters in IUGR fetuses and controls...
September 25, 2018: Ultraschall in der Medizin
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