Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 25 for “"Ultrasounds"”.
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Factors Associated with Prenatal Ultrasound Utilization
… care providers and the number of prenatal ultrasounds in the USA, 2) explore the factors associated with the timing of the first prenatal ultrasound in Canada, and 3) assess the relationship between the number of prenatal ultrasounds and primary caesarean delivery in Canada and the USA. …
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Ultrasonic Communication and the Hormonal Modulation of Aggressive Behavior in the Female Hamster
… calls of 16-64 kHz and roughly 50 dB SPL. Ultrasounds by females encode information regarding reproductive state as well as location. In particular, female call rates are highest during estrus, suggesting that these signals function primarily as sexual attractants in the initiation of …
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Nanocomposite coatings produced by electrodeposition from additive-free bath: the potential of the ultrasonic vibrations
… characterization and to test the use of the ultrasounds. Unique, functional properties of composite coatings are derived not only from the presence of the particles dispersed in the bulk of the metallic matrix but also on the matrix microstructural changes induced by the interaction between …
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ΣΥΓΚΡΙΤΙΚΗ ΚΛΙΝΙΚΗ ΚΑΙ ΕΡΓΑΣΤΗΡΙΑΚΗ ΜΕΛΕΤΗ ΕΠΙ ΕΚΦΥΛΙΣΤΙΚΩΝ ΑΛΛΟΙΩΣΕΩΝ ΤΗΣ ΑΟΡΤΗΣ ΚΑΙ ΤΩΝ ΚΛΑΔΩΝ ΤΗΣ
… THESE HAD BEEN SUBJECTED HEMODYNAMICALLY BY ULTRASOUNDS, RADIONUCLIDE ANGIOGRAPHY AND CONVENTIONAL ANGIOGRAPHY IN COMBINATION OF THE CLINICAL FINDINGS. TODAYS POSITION ABOUT THE AORTIC AND ITS BRANCHES LESSION HAS TO BE EVALUATED BY CLINICAL EXAMINATION, HEMODYNAMIC ANALYSATION AND BE …
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Effects of Ultrasonication on the Antioxidant and Anti-diabetic Properties of Hydrolyzed Oat Proteins
… to determine how the treatment of oat brans with ultrasounds affects the functionality and the physical properties of the hydrolyzed proteins. Oat brans were treated with ultrasonic cleaner bath and high-powered ultrasonication, after which, the proteins were extracted and hydrolyzed using three …
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Sense and sense-ability : the artful science of hands-on medicine
… of diagnostic equipment-CT scans, MRI scans, ultrasounds, echocardiograms, mammograms, and more. In some cases, these devices replaced the physical exam. But in areas of the world where technology is unavailable, and even in places where it exists, many physicians and healthcare professionals …
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Ο ΕΛΕΓΧΟΣ ΤΗΣ ΚΥΚΛΟΦΟΡΙΑΣ ΤΩΝ ΚΑΤΩ ΑΚΡΩΝ ΠΡΟ ΚΑΙ ΜΕΤΑ ΤΑΣ ΑΡΤΗΡΙΟΠΛΑΣΤΙΚΑΣ ΕΠΕΜΒΑΣΕΙΣ ΔΙ' ΑΝΑΙΜΑΚΤΩΝ ΔΙΑΓΝΩΣΤΙΚΩΝ ΜΕΘΟΔΩΝ
… NON-INVASIVE DIAGNOSTIC METHODS WAS CARRIED OUT (ULTRASOUNDS (DOPPLER) AND PLETHYSMOGRAPHY). THE MEASUREMENTS OF CIRCULATION ON THE LOWER EXTREMITIES, AFTER THE PROCEDURE WERE CARRIED OUT AT REGULAR TIME INTERVALS THAT IS, 3, 6 AND 10TH POST OPERATIVE DAY. THE RESULTS OF THESE MEASUREMENTS …
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Nuevos métodos para la determinación de isoflavonas en soja y alimentos derivados
… materials available. It was evaluated the use of ultrasounds, pressurized liquids, microwaves and solid phase extraction for the extraction of soy isoflavones from several types of samples. The developed methods are fast, reliable and highly reproducible. New materials were also evaluated, like …
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Prenatal Testing Decisions and Motivations In Pregnancies Conceived Via In Vitro Fertilization
… recommendations as well as results of previous ultrasounds or screening tests as influential factors in their testing decisions. Individuals who had PGT-A were more likely to cite insurance coverage (p=0.023), healthcare provider recommendation (p=0.012), assessing the risk of a genetic …
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Design and characterisation of long period grating (LPG) - based optical fibre sensors for acoustic wave detection
… research widely reported for the detection of ultrasounds. The LPG-based sensor, fixed between two pillars with one pillar being movable, is found to be sensitive over a specific frequency range with a minimum detectable sound pressure to be 63dB (ref 1μPa) in water and 66.8dB (ref 20μPa) in …
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Prediction of Large for Gestational Age Infants in Ethnically Diverse Datasets Using Machine Learning Techniques. Development of 3rd Trimester Machine Learning Prediction Models and Identification of Important Features Using Dimensionality Reduction Techniques
… gravity, standard prediction methods, such as ultrasounds are inaccurate. Objective: application of machine learning methods to develop LGA prediction models for ethnically diverse datasets and provide a benchmark for future LGA prediction work. Methods: Two retrospective datasets were used: …
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Nurse Practitioners' Use of Ultrasound to Diagnose Kidney Stones in the Emergency Department
… with close to similar accuracy and reliability. Ultrasounds are also safer and more cost effective for patients and the healthcare system. Purpose: The purpose of this project is to describe nurse practitioners (NPs) use of ultrasound to diagnose kidney stones in the emergency department (ED). …
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Efficacy of Synthetic Gonadotropin Releasing Hormone Analogs for Control of Ovulation During Estrus Synchronization Protocols
… GnRH, were collected at each GnRH injection. Ultrasounds were conducted daily over the course of the protocol. A treatment by phase interaction (P=.03) was found for the time to maximum LH concentration, where CYS-treated follicular cows had a shorter interval than did FAC treated follicular …
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Estudio y extensión de un modelo micromecánico trifásico para la caracterización ultrasónica de materiales compuestos
… In this thesis a non-destructive methodology by ultrasounds to characterize cementitious materials have been proposed which take into account the microstructural properties of its constituent phases. The methodology is based on the application of a micromechanical model, considering the …
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Locating the hip joint centre using ultrasonic techniques
… these two methods, it is shown that the use of ultrasounds for locating the HJC reduces the incorporation of STA making it simpler to locate the HJC. However, a lot more investigation needs to be carried out in ultrasound image processing before they can be used as the new gold standard.
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Breast ultrasound in females 35 years old and below at a tertiary referral academic center in Cape Town, South Africa: indications and outcomes analysis, a retrospective quantitative study
… refinement of referral criteria. Methods Ultrasounds performed on females below 35 years old in a 1-year period between 1 st March 2019-1 st March 2020 at Groote Schuur Hospital were retrospectively analyzed. Evaluation of the reports stored on the hospitals PACS system and review of the …
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ATHEROSCLEROSIS AND ENDOTHELIAL DYSFUNCTION IN THALASSEMIA
… T2* MRI for iron overload, and carotid Doppler ultrasounds for plaque detection and intima-media thickness. Inflammatory and endothelial markers were assessed in a subgroup. Results We enrolled 235 patients (153 TDT, 82 NTDT). ASCVD prevalence was 15% in TDT and 20% in NTDT, increasing with age, …
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Isolated, Absent Cavum Septum Pellucidum: A Single Center’S Outcomes and Review of The Literature
… we explore the accuracy of prenatal ultrasounds in evaluating for an absent CSP. This is a retrospective study of all cases diagnosed with an absent CSP between January 1, 2009 and June 2, 2020 at our institution. Cases with additional structural abnormalities were included in a …
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Characterizing the effects of in utero exposure to valproic acid on murine fetal heart development
… 400 mg/kg of VPA on gestational day (GD) 9 and ultrasounds were performed on GD 14 to 18, prior to harvesting the fetal hearts on GD 19. Using high-resolution ultrasound (HRUS) technology, we examined the effects of VPA on cardiac contractile function, followed by histology to evaluate the …
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Enduring "lateness": biomedicalisation and the unfolding of reproductive life, sociality, and antenatal care
… rooms, booking rooms and while waiting for ultrasounds. The women were selected based on age (17 upwards), and gestational age at first antenatal booking. I examine the ways biomedicine frames temporality, and the way that health policy enacts this through antenatal care. I contest the …
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