Articles with "doppler" as a keyword



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A deep-learning-based approach for noise reduction in high-speed Optical coherence Doppler tomography.

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Published in 2020 at "Journal of biophotonics"

DOI: 10.1002/jbio.202000084

Abstract: Optical coherence Doppler tomography (ODT) increasingly attracts attention because of its unprecedented advantages with respect to high contrast, capillary-level resolution and flow speed quantification. However, the trade-off between the signal-to-noise ratio (SNR) of ODT images… read more here.

Keywords: optical coherence; doppler; speed; noise ... See more keywords
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Diagnostic failures in ovarian torsion during childhood: The effect of ovarian cyst size on the diagnostic accuracy of Doppler ultrasonography

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Published in 2022 at "Journal of Clinical Ultrasound"

DOI: 10.1002/jcu.23167

Abstract: To determine the diagnostic accuracy of Doppler ultrasonography (US) in pediatric ovarian torsion (OT) and the effect of ovarian cyst size on the effectiveness of Doppler US in pediatric OT. read more here.

Keywords: ovarian torsion; accuracy doppler; doppler; effect ovarian ... See more keywords
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Assessment of the Fetal Cerebral Artery: Importance of Doppler Preset Settings

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Published in 2018 at "Journal of Ultrasound in Medicine"

DOI: 10.1002/jum.14378

Abstract: The Doppler assessment of the middle cerebral artery (MCA) has a central role in the monitoring of high‐risk pregnancies. The objective of this study was to investigate the importance of Doppler preset settings for measurement… read more here.

Keywords: doppler preset; cerebral artery; importance doppler; preset settings ... See more keywords
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Transcranial Doppler Ultrasound in Peninsular Arab Patients With Sickle Cell Disease

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Published in 2019 at "Journal of Ultrasound in Medicine"

DOI: 10.1002/jum.14680

Abstract: Transcranial Doppler ultrasound is used to identify patients with sickle cell disease (SCD) at risk for stroke. We performed transcranial Doppler studies in patients from 4 countries in the Arabian Peninsula (Kuwait, Oman, Iraq, and… read more here.

Keywords: doppler ultrasound; patients sickle; doppler; cell disease ... See more keywords
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A Real‐time Color Doppler Marker for Echocardiographic Guidance of an Acoustically Active Extracorporeal Membrane Oxygenation Cannula

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Published in 2019 at "Journal of Ultrasound in Medicine"

DOI: 10.1002/jum.14859

Abstract: B‐mode ultrasound imaging guidance of cannulas can be compromised by noise, artifacts, and echogenicity that is not distinctive from that of surrounding anatomy. We have modified a venovenous extracorporeal membrane oxygenation cannula by embedding piezoelectric… read more here.

Keywords: color; doppler; extracorporeal membrane; membrane oxygenation ... See more keywords
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Changes in Internal Carotid Artery Doppler Velocity Measurements With Different Angles of Insonation

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Published in 2020 at "Journal of Ultrasound in Medicine"

DOI: 10.1002/jum.15579

Abstract: Doppler velocity measurements are fundamental diagnostic criteria for vascular ultrasound examinations. Insonation angles are kept to 60° or less to minimize error. The purpose of this study was to assess variance of Doppler‐detected peak systolic… read more here.

Keywords: velocity; doppler; doppler velocity; different angles ... See more keywords
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Polarimetric Doppler radar analysis of squall line systems crossing Salento Peninsula

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Published in 2017 at "Meteorological Applications"

DOI: 10.1002/met.1632

Abstract: A detailed observational study of squall line thunderstorms, a particular form of mesoscale convective systems arranged in a line that repeatedly affected Salento Peninsula (southern Apulia, Italy) throughout 2015, is presented and discussed. Specifically, three… read more here.

Keywords: squall line; doppler; salento peninsula; radar ... See more keywords
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Color duplex ultrasonography versus handheld Doppler to plan anterior lateral thigh flaps

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Published in 2017 at "Microsurgery"

DOI: 10.1002/micr.30177

Abstract: The anterior lateral thigh flap (ALT) has become increasingly important in reconstructive surgery in the head and neck region. To cope with the problem of anatomical variability in the supplying blood vessels, preoperative evaluation is… read more here.

Keywords: color; lateral thigh; anterior lateral; doppler ... See more keywords
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Comparison between model‐predicted tumor oxygenation dynamics and vascular‐/flow‐related Doppler indices

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Published in 2017 at "Medical Physics"

DOI: 10.1002/mp.12192

Abstract: Purpose Mathematical modeling is a powerful and flexible method to investigate complex phenomena. It discloses the possibility of reproducing expensive as well as invasive experiments in a safe environment with limited costs. This makes it… read more here.

Keywords: tumor oxygenation; doppler; model; flow ... See more keywords
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Factors associated to early intrauterine fetal demise after laser for TTTS by preoperative fetal heart and Doppler ultrasound

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Published in 2018 at "Prenatal Diagnosis"

DOI: 10.1002/pd.5280

Abstract: To determine the prognostic value of fetal Doppler and echocardiographic parameters for intrauterine fetal demise (IUFD) within 24 hours and within 1 week after laser coagulation in monochorionic pregnancies complicated by twin‐twin transfusion syndrome. read more here.

Keywords: laser; intrauterine fetal; doppler; factors associated ... See more keywords
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Longitudinal reference ranges for serial measurements of myocardial performance index (MPI) by conventional and pulsed‐wave tissue Doppler in monochorionic diamniotic twins at 17 to 26 weeks of gestation

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Published in 2018 at "Prenatal Diagnosis"

DOI: 10.1002/pd.5286

Abstract: To describe the longitudinal changes of fetal myocardial performance index (MPI) measured by conventional Doppler (MPI) and by pulsed‐wave tissue Doppler (MPI′) based on a prospective cohort of uncomplicated monochorionic diamniotic twin. read more here.

Keywords: pulsed wave; wave tissue; performance index; doppler ... See more keywords