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Ultrasound: Journal of the British Medical Ultrasound Society

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https://www.readbyqxmd.com/read/30013613/vasa-praevia-should-we-routinely-screen-high-risk-women-for-this-rare-but-serious-condition
#1
Victoria McQueen, Michelle Speed, Susan Rutter, Thomas Gray
Vasa praevia is described as the unprotected fetal vessels traversing through the placental membranes over the cervical os, below the fetal presenting part and unprotected by placental tissue or the umbilical cord. It is often not detected antenatally and presents with painless bleeding and rapid fetal compromise after spontaneous or artificial rupture of the membranes, which causes trauma to these vessels. It is a rare condition affecting one in 2500 pregnancies and has a reported perinatal mortality rate of up to 60%...
May 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/30013612/the-reliability-of-carotid-ultrasound-in-determining-the-return-of-pulsatile-flow-a-pilot-study
#2
Biljana Germanoska, Matthew Coady, Sheyin Ng, Gary Fermanis, Matthew Miller
Manual palpation of pulses is unreliable in detecting pulsatile flow in human participants, complicating the assessment of return of spontaneous circulation after cardiac arrest. Ultrasound may offer an alternative. This study's objective was to investigate whether return of pulsatile flow in humans can be reliably assessed by common carotid artery ultrasound. We conducted a single-blinded randomised study of common carotid artery ultrasound using 20 cardiopulmonary bypass patients to model the return of pulsatile flow...
May 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/30013611/a-retrospective-review-of-the-role-of-b-mode-and-color-doppler-ultrasonography-in-the-investigation-of-primary-hyperparathyroidism-features-that-differentiate-benign-from-malignant-lesions
#3
Cheng Fang, Eleni Konstantatou, Nicola J Mulholland, Serena Baroncini, Mohammad A Husainy, Klaus-Martin Schulte, Paul S Sidhu
Purpose: To identify the variant features encountered in parathyroid abnormalities and document those suggesting malignant change. Materials and methods: Data were collected from a cohort of patients who underwent investigation for primary hyperparathyroidism over a 10-year period. Ultrasonographic features: shape, presence of calcification, cystic changes, heterogeneous echogenicity, vascularity, capsular thickening, local invasion, and vascularity were reviewed retrospectively and were used to correlate with final histological findings...
May 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/30013610/levels-of-agreement-in-the-measurements-of-carotid-artery-ultrasound-across-a-regional-vascular-network
#4
Mervyn Alexander McKenna, Michelle Clare Bonfield, Teresa Robinson
Introduction: Duplex ultrasound is often the sole imaging modality used in diagnosing carotid artery disease. However, the reproducibility and repeatability of scientists in determining the peak systolic velocity and end diastolic velocity of the internal carotid artery and common carotid artery (CCA) is widely debated. Study aim: To investigate intra- and inter-operator variability in diagnostic ultrasound of the carotid arteries across a centralised vascular network using a healthy test subject...
May 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/30013609/single-centre-audit-of-early-impact-of-inclusion-of-the-three-vessel-and-trachea-view-in-obstetric-screening
#5
Hazel Edwards, Richard Hamilton
Detection rates of congenital cardiac malformations have traditionally remained low. The NHS Fetal Anomaly Screening Programme (FASP) aims to increase these detection rates for various reasons, including influencing perinatal management and aiding parental decision making. The inclusion of the three vessel view and trachea (3VT) view in 2015 aimed to improve detection rates of arch abnormalities in particular. This study evaluated the early impact of the new initiative at one NHS Trust. Departmental screen-positive rates were compared for a full year before and after implementation...
May 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/30013608/computer-assisted-detection-of-tardus-parvus-waveforms-on-doppler-ultrasound
#6
Gowthaman Gunabushanam, John D Millet, Erik Stilp, Forrest W Crawford, Robert L McNamara, Leslie M Scoutt
Objective: To determine if a novel computer-generated metric, effective acceleration time, improves accuracy for detecting tardus parvus waveforms on spectral Doppler ultrasound. Methods: Patients with echocardiography-confirmed aortic valve stenosis ( n  = 132; 60 mild, 44 moderate, 28 severe) and matched controls ( n  = 48) who underwent carotid Doppler ultrasound were identified through an imaging database search at a single medical center. A custom-built spectral analysis computer program generated effective acceleration time values for spectral Doppler waveforms in the carotid arteries and a receiver operating characteristic analysis was performed to determine the optimal median effective acceleration time cutoff value to detect tardus parvus waveforms...
May 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/30013607/fetal-growth-surveillance-current-guidelines-practices-and-challenges
#7
REVIEW
Mandy Williams, Sue Turner, Emily Butler, Jason Gardosi
Antenatal surveillance of fetal growth is an essential part of good maternity care, as lack of detection of fetal growth restriction is directly associated with stillbirth and perinatal morbidity. New algorithms and guidelines provide care pathways which rely on regular third trimester ultrasound biometry and plotting of estimated fetal weight in pregnancies considered to be at increased risk, and their implementation has increased pressures on ultrasound resources. Customised growth charts have improved the distinction between constitutional and pathological smallness and reduced unnecessary referrals...
May 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/30013606/editorial
#8
EDITORIAL
Bid Kumar
No abstract text is available yet for this article.
May 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29456583/fetal-adrenal-gland-biometry-and-cervical-elastography-as-predictors-of-preterm-birth-a-comparative-study
#9
Shubhra Agarwal, Arjit Agarwal, Pawan Joon, Shalini Saraswat, Shruti Chandak
Background: Preterm birth is a major health problem in developing and developed countries leading to rising health care costs and long-term neurodevelopmental disability. The study aims to evaluate the role of new quantitative markers, like the elastography of cervix (shear wave speed estimation), fetal adrenal zone enlargement, and corrected fetal adrenal gland volume; in preterm birth prediction and analyze their relative importance. Thus, these markers may be beneficial in early preterm birth detection and prevent the related morbidities...
February 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29456582/assessing-the-accuracy-of-ultrasound-estimation-of-gestational-age-during-routine-antenatal-care-in-in-vitro-fertilization-ivf-pregnancies
#10
Bridget Knight, Aaron Brereton, Roy J Powell, Helen Liversedge
Introduction: In the UK an accurate gestational age is confirmed by ultrasound measured foetal crown rump length (CRL) at 11 + 2-14 + 1 weeks of gestation. The currently recommended Robinson and Fleming crown rump length reference chart was develop in 1975. Advances in ultrasound technology and standardized crown rump length measurement training could mean this is now out of date. Our study aimed to assess its accuracy in current routine antenatal care. Methods: Retrospective data from 178 IVF pregnancies seen for routine antenatal care at a UK Regional Maternity Unit between 1 January 2006 and 1 January 2016 was retrieved...
February 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29456581/antenatal-diagnosis-of-total-anomalous-pulmonary-venous-connection-in-functional-single-ventricle-hearts-outcomes-over-13-year-period
#11
Precylia Fernandes, Lito Mantagou, Ram Ramaraj, Umber Agarwal, Joyce Su Ling Lim
Introduction: A functionally single cardiac ventricle seen on foetal ultrasound scan carries a guarded prognosis. The antenatal diagnosis of anomalous pulmonary venous connection (APVC) remains challenging, if there is no associated structural cardiac abnormality. Antenatally, a combination of complex cardiac anomaly with suspected isomerism should raise the possibility of associated total anomalous pulmonary venous connection (TAPVC). There needs to be a high index of suspicion for TAPVC, in functional single ventricle and suspected isomerism, as this carries a very grim outcome postnatally...
February 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29456580/the-accuracy-of-ultrasound-estimation-of-fetal-weight-in-comparison-to-birth-weight-a-systematic-review
#12
Julia Milner, Jane Arezina
Ultrasound estimation of fetal weight is a highly influential factor in antenatal management, guiding both the timing and mode of delivery of a pregnancy. Although substantial research has investigated the most accurate ultrasound formula for calculating estimated fetal weight, current evidence indicates significant error levels. The aim of this systematic review was to identify the most accurate method, whilst identifying sources of inaccuracy in order to facilitate recommendations for future practice. Seven studies met the inclusion criteria and 11 different formulae were assessed; ultrasound calculation of fetal weight was most commonly overestimated...
February 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29456579/splenic-cyst-as-a-rare-cause-of-fetal-abdominal-cystic-mass-a-multicenter-series-of-nine-cases-and-review-of-the-literature
#13
Waldo Sepulveda, Jose H Ochoa, Daniel Cafici, Amy E Wong, Federico Badano, Elena Andreeva, Elena Y Andreeva
Introduction: Congenital splenic cysts are a rare cause of abdominal cystic masses in the fetus. We describe nine cases of this condition, the largest reported experience to date. A review of the literature for similar cases was also performed. Methods: Cases of congenital splenic cyst were collected from three prenatal diagnostic centers and from a dedicated website of prenatal diagnosis. Information regarding clinical and sonographic findings was obtained by reviewing ultrasound reports and medical records...
February 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29456578/sonographic-parameters-for-diagnosing-fetal-head-engagement-during-labour
#14
Yaw A Wiafe, Bill Whitehead, Heather Venables, Alexander T Odoi
The purpose of this study was to investigate the diagnostic performance of the head-perineum distance, angle of progression, and the head-symphysis distance as intrapartum ultrasound parameters in the determination of an engaged fetal head. Two hundred and one women in labour underwent both ultrasound and digital vaginal examination in the estimation of fetal head station. The transperineal ultrasound measured head-perineum distance, angle of progression, and head-symphysis distance for values correlating with digital vaginal examination head station...
February 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29456577/is-ultrasound-screening-for-vasa-praevia-clinically-justified-and-a-financially-viable-screening-test-a-literature-review
#15
REVIEW
Gillian Coleman, Heather Venables
Vasa praevia is an obstetric complication currently not screened for within the United Kingdom, which if undetected prenatally can lead to fetal death when the membranes rupture. Internationally, guidelines are available providing guidance on the best screening policy and management pathways. However, the UK National Screening Committee and Royal College of Obstetricians and Gynaecologists do not support screening due to a lack of evidence. Recent studies explore the ability of ultrasound to detect vasa praevia prenatally in both the general and high-risk populations...
February 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29456576/editorial
#16
EDITORIAL
Bid Kumar
No abstract text is available yet for this article.
February 2018: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29163663/an-unusual-and-rare-form-of-truncus-arteriosus-in-an-asymptomatic-woman
#17
Maryam Nabati
Persistent truncus arteriosus is a rare congenital cardiac malformation. It is characterized by a single great artery arising from the heart which supplies the aorta, the origin of coronary arteries and pulmonary arteries. Without surgery, prognosis is poor and 90% of these patients die before one year of age. We report a rare case of an asymptomatic 35-year-old woman with uncorrected persistent truncus arteriosus and hypoplastic right and left pulmonary arteries. Hypoplastic branch pulmonary arteries prevented the development of severe pulmonary arterial hypertension...
November 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29163662/a-case-report-of-lung-ultrasound-missing-a-pneumothorax-due-to-patient-positioning
#18
David Schrift, Keith Barron, Michael Wagner, Rohan Arya
Lung ultrasound is increasingly utilized as a diagnostic tool for the detection of a pneumothorax. The effect of small changes in patient positioning on the accuracy of lung ultrasound to detect a pneumothorax is not well studied. We present the first known case of lung ultrasound missing a pneumothorax because of suboptimal patient positioning, and discuss the implications of our findings for clinicians that utilize lung ultrasound and for future research.
November 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29163661/ultrasound-guided-removal-of-hypopharyngeal-foreign-body-in-the-emergency-department
#19
Nadia Maria Shaukat, Alexis Lenz, Poonam Desai
Foreign body impaction at the cricopharyngeal level can be a life-threatening emergency. While traditionally, removal of these is performed in the operating room setting, patients with relatively unstable airways or significant discomfort may require immediate extraction to prevent further injury. This is the case of an 85-year-old man who presented to the emergency department in significant discomfort following aspiration of a large partial denture. We report here the first known use of ultrasound in an emergent airway situation to rapidly localize and retrieve an aspirated foreign body...
November 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/29163660/testing-a-new-surfactant-in-a-widely-used-blood-mimic-for-ultrasound-flow-imaging
#20
Xiaowei Zhou, Peter R Hoskins
Background: A blood-mimicking fluid developed by Ramnarine et al. has been widely used in flow phantoms for ultrasound flow imaging research, and it has also been cited by IEC 61685 as a reference for making blood-mimicking fluid.However, the surfactant material Synperonic N in this blood-mimicking fluid recipe is phased out from the European market due to environmental issues. The aim of this study is to test whether Synperonic N can be substituted by biodegradable Synperonic A7 in making blood-mimicking fluid for ultrasound flow imaging research...
November 2017: Ultrasound: Journal of the British Medical Ultrasound Society
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