Bibliographies thématiques / Ultrasound findings

Littérature scientifique sur le sujet « Ultrasound findings »

Auteur : Grafiati
Publié le 11 mars 2023

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Articles de revues sur le sujet "Ultrasound findings"

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Rochon, Meredith, et Keith Eddleman. « Controversial ultrasound findings ». Obstetrics and Gynecology Clinics of North America 31, no 1 (mars 2004) : 61–99. http://dx.doi.org/10.1016/s0889-8545(03)00123-2.

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Yadav, Priyamvada, et Dr Suketu Bhapal. « Ultrasound Biomicroscopic Findings in Eyes with Posterior Capsular Tear ». International Journal of Scientific Research 2, no 2 (1 juin 2012) : 325–26. http://dx.doi.org/10.15373/22778179/feb2013/109.

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Choi, Young Sik. « Ultrasound Findings of Thyroiditis ». Clinical Ultrasound 5, no 1 (30 mai 2020) : 1–5. http://dx.doi.org/10.18525/cu.2020.5.1.1.

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Rosen, Raphael J., Hilda E. Fernandez, Shayan Shirazian et Andrew A. Moses. « Ultrasound findings of calciphylaxis ». Kidney International 100, no 5 (novembre 2021) : 1144. http://dx.doi.org/10.1016/j.kint.2021.03.036.

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Carrillo-Esper, Raúl, Yazmin Galván-Talamantes, Cynthia Margarita Meza-Ayala, Julio Alberto Cruz-Santana et Luis Ignacio Bonilla-Reséndiz. « Ultrasound findings in rhabdomyolysis ». Cirugía y Cirujanos (English Edition) 84, no 6 (novembre 2016) : 518–22. http://dx.doi.org/10.1016/j.circen.2016.11.004.

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Namazi, G., et Y. S. Groszmann. « Ultrasound findings of endometriosis ». American Journal of Obstetrics and Gynecology 228, no 3 (mars 2023) : S936. http://dx.doi.org/10.1016/j.ajog.2022.12.241.

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B, Aathira. « Diagnosis of Carcinoma Prostate Based on Transrectal Ultrasound Doppler Findings Validated Against Transrectal Ultrasound Guided Biopsy ». Journal of Medical Science And clinical Research 05, no 03 (22 mars 2017) : 19170–75. http://dx.doi.org/10.18535/jmscr/v5i3.135.

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Dong, Yi, Barbara Braden, Christoph Klinger, Tomás Ripolles et Christoph F. Dietrich. « Ultrasound findings in extragenital endometriosis ». Journal of Ultrasonography 18, no 74 (6 septembre 2018) : 247–54. http://dx.doi.org/10.15557/jou.2018.0036.

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Dong, Yi, Andrej Potthoff, Christoph Klinger, Ana Paula Barreiros, Dariusz Pietrawski et Christoph F. Dietrich. « Ultrasound findings in autoimmune hepatitis ». World Journal of Gastroenterology 24, no 15 (21 avril 2018) : 1583–90. http://dx.doi.org/10.3748/wjg.v24.i15.1583.

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Bouchahda, R., O. Kaabia, A. Alimi, G. G. Ben Dhaou et K. Abdeljalil. « EP14.06 : Trisomy 18 : ultrasound findings ». Ultrasound in Obstetrics & ; Gynecology 60, S1 (septembre 2022) : 136. http://dx.doi.org/10.1002/uog.25385.

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Thèses sur le sujet "Ultrasound findings"

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Zeisig, Eva. « Tennis elbow : sonographic findings and intratendinous injection treatment ». Doctoral thesis, Umeå universitet, Idrottsmedicin, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1857.

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Tennis elbow (TE) is a relatively common painful condition affecting the upper extremity. The aetiology is not known, but TE is most often seen in middle aged individuals using repetitive and forceful gripping at work or recreational activities, and is referred to overuse injuries. The pathogenesis is not known, but there are so-called degenerative changes in the wrist- and finger-extensor muscle origin (common extensor origin - CEO). The pain mechanisms involved have not been scientifically clarified. The studies in the present thesis aimed to 1) evaluate the structure and blood flow using ultrasound (US) and colour Doppler (CD) examinations of the CEO in patients with TE, and in pain-free elbows, 2) evaluate the clinical effects of US- and CD-guided intratendinous injection treatment with the sclerosing substance polidocanol, 3) evaluate the long term (2 years) effects of injection treatment on the tendon structure and blood flow, and 4) investigate if there is a local production of sympathetic and parasympathetic signal substances in non-neural cells in the CEO. Structural tendon changes and high blood flow was found in the CEO in patients with TE, but not in pain-free controls. Remaining structural changes and additional bone spur formation at the lateral epicondyle, but not high blood flow, were seen 2 years after successful injection treatment. In a randomised double-blind study, US- and CD-guided intratendinous injection treatment with sclerosing polidocanol or the local anaesthetic lidocaine combined with epinephrine, targeting the region with high blood flow, was found to reduce pain and increase grip strength in patients with TE. There were no differences in the outcome between the two treatment groups. A local production of catecholamines, but not acetylcholine, was found in fibroblasts in the CEO, in patients with TE. This thesis presents results showing US and CD examinations to be useful methods to diagnose TE, and to evaluate structure and blood flow in the CEO after treatment. US- and CD-guided injection treatment targeting high blood flow in the region with structural changes can reduce pain symptoms in patients with TE. The localised high blood flow, and local production of catecholamines in the tendon cells in the CEO, might be involved in the pain mechanisms.
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Schwabe, Karen. « Achilles tendon ultrasound findings in triathletes before and after the ironman triathlon ». Master's thesis, University of Cape Town, 2006. http://hdl.handle.net/11427/2764.

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Includes bibliographical references (leaves 105-115).
The aim of this prospective cohort study therefoew was to assess the morphological and blood flow changes in the Achille tendons of triathletes competing in the 2006 South African Ironman Triathlon.
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Bottomley, Cecilia. « Prediction of first trimester pregnancy outcome using prior risk factors and ultrasound findings ». Thesis, St George's, University of London, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.676895.

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The aim of this thesis was to examine a large cohort of women undergoing pregnancy assessment before 12 weeks gestation, collecting demographic, symptom and ultrasound data. I aimed to examine the role of prior risk factors and initial ultrasound findings in the prediction of first trimester viability of these pregnancies. Further, I aimed to develop and validate models to counsel women in future about the likely chance of viability for any individual pregnancy. The hypotheses were: (1) There are prior risk and ultrasound factors that can predict likely pregnancy viability, (2) These factors can be used to predict pregnancy loss or ongoing viability in any particular pregnancy and (3) In predicting outcome, both mathematical models } and 'simple rules' (for everyday clinical use) can perform well. ) The prospective study included 1881 women, with median age 32 years and median gestational age at presentation of 50 days. 46% presented with bleeding and 36% with pain. The final outcome was an ongoing pregnancy in 885 (61.7%) and early pregnancy loss in 550 (38.3%) women. Both 'prior risks' (maternal age and bleeding score) and ultrasound factors (gestation and yolk sac size and fetal heart beat) predicted viability. Mathematical models developed showed that these factors used separately and when combined together predicted viability with accuracy. The final scoring system using both demographic and ultrasound variables together was proven to be highly accurate in prediction of pregnancy viability, performing with a sensitivity of 0.92, specificity of 0.73, positive predictive value of 84.7% and negative predictive value of 85.4%. All 3 study hypotheses were proven. The conclusion of this study is that using routinely collected demographic and ultrasound data an accurate individualised likelihood of ongoing viability can be offered to women in early pregnancy with and without symptoms of pain or bleeding.
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Taraboanta, Catalin. « Impact of family history of premature coronary disease on carotid ultrasound and coronary calcium findings ». Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/721.

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First degree relatives (FDRs) of subjects with early onset of coronary heart disease (CHD) have higher risk of developing cardiovascular disease. We verified early CHD by angiography in the index patients and extensively phenotyped their FDRs to investigate the relationship of traditional and non-traditional cardiovascular risk factors to carotid ultrasound and coronary calcium scoring findings. B-mode carotid ultrasound was used to assess the combined intima-media thickness and plaque burden in 111 FDRs. The biochemical and anthropometrical characteristics of the FDRs were compared with those of healthy controls matched for sex, age, ethnicity and BMI. Odds ratios indicate that FDRs are more likely to have positive carotid ultrasound findings compared to controls; 2.23 (95% CI 1.14 – 4.37) for intima-media thickness and 2.3 (95% CI 1.22 - 4.35) for average total thickness. In multivariate analysis positive carotid ultrasound findings were higher in FDRs independent of age, gender, total cholesterol over HDL-c ratio, systolic blood pressure and smoking but not homocysteine which had higher values in FDRs compared to controls. In conclusion FDRs of patients with angiographically confirmed CHD have higher burden of subclinical atherosclerosis even when considered in the context of traditional risk factors. Coronary artery calcium scoring (CAC), assessed by 64-slice multi-detector computed tomography (MDCT), was used to assess burden of subclinical atherosclerosis in 57 FDRs compared to controls. FDRs have a two-fold increase in risk of having CAC positive findings; odds ratios for the 75th percentile was 1.96 (95%CI 1.04 – 3.67, p<0.05) while for the 90th percentile odds ratio was 2.59 (95% 1.232 – 5.473, p<0.05). In summary, the risk of significant CAC findings, measured by 64-slice MDCT, is two-fold higher in FDRs than controls. These findings correlate highly with carotid ultrasound findings in the same cohort. Different thresholds for CAC may be appropriate when assessing male versus female FDRs. Together increased carotid ultrasound findings and CAC scoring results in FDRs of patients with validated early onset of CHD suggest these imaging techniques as potentially useful tools in cardiovascular risk assessment that will go above and beyond the current diagnostic algorithms.
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Manseck, Andreas, K. Guhr, Oliver Hakenberg, Karsten Rossa et Manfred P. Wirth. « Clinical Significance of the Echogenicity in Prostatic Ultrasound Findings in the Detection of Prostatic Carcinoma ». Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-135178.

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Background: Transrectal ultrasound is commonly performed in the clinical evaluation of the prostate. Ultrasound-guided randomized sextant biopsy became the standard procedure for the diagnosis of carcinoma of the prostate (CaP). A guided biopsy of sonographically irregular lesions of the prostate is not performed in randomized biopsies. An almost generally accepted opinion is that hypoechoic lesions are suspicious for the presence of CaP. However, the role of prostatic lesions with an echogenicity other than iso- or hypoechoic, e.g. hyperechoic or irregular lesions in relation to CaP is not clear. The intention of the present prospective study was to clarify the role of different prostatic ultrasound findings with a new-generation ultrasound probe in regard to their relevance concerning the presence of cancer. Material and Methods: 265 patients who were referred for prostatic evaluation because of an elevated PSA serum level or a positive digital rectal examination were enrolled in a prospective study. All patients had a systematic ultrasound-guided sextant biopsy of the prostate and a 4-core biopsy of the transition zone. All biopsy cores taken were guided by transrectal ultrasound. In case of a sonographically suspicious lesion, biopsy was always directed into this area. The predominant ultrasound appearance was separately recorded for each core. Results: Carcinoma of the prostate was detected in 87 (32.8%) of the 265 patients. Biopsy cores with isoechoic ultrasound findings revealed CaP in 7.6%. The data for hypoechoic, hyperechoic, mixed-echoic and anechoic lesions were 34.5, 26.9, 21.1 and 0%, respectively. Hypoechoic ultrasound findings were less frequently found in the transition zone of the prostate, but the rate of CaP detection was the same as in the peripheral zone of the prostate. Conclusions:The transrectal ultrasound pattern of the prostate yields important information about the presence of carcinoma of the prostate. Especially hypoechoic lesions indicate the presence of CaP in a significant proportion of cases. However, hyperechoic lesions and lesions of mixed or irregular echogenicity were found to contain cancer in significant numbers as well, and should therefore be considered to be suspicious for cancer when performing transrectal ultrasound of the prostate. Directed biopsy of irregular ultrasound patterns in the prostate seems therefore to be recommendable
Hintergrund: Der transrektale Ultraschall ist die häufigste bildgebende Untersuchung zur klinischen Beurteilung der Prostata. Zur Diagnostik des Prostatakarzinoms (PCa) hat sich die ultraschallgesteuerte Sextanten-Biopsie als Standardverfahren etabliert. Eine gezielte Biopsie irregulärer Ultraschallbezirke ist hier nicht vorgesehen. Es ist jedoch bekannt, daß sonographisch echoarm erscheinende Areale suspekt für die Präsenz eines PCa sind. Die Wertigkeit nicht einheitlicher oder echoreicher Ultraschallmuster ist jedoch bisher nicht zweifelsfrei geklärt. Ziel der vorliegenden Arbeit war es, mit einem Ultraschallgerät der neuesten Generation die Bedeutung der verschiedenen Ultraschallmuster bezüglich des Vorhandenseins von Prostatakarzinomen zu klären. Material und Methoden: 265 Patienten mit erhöhten PSA-Serumwerten oder suspekten Tastbefunden der Prostata wurden in die prospektive Untersuchung eingeschlossen. Bei allen Patienten wurden systematische, ultraschallgesteuerte Prostatabiopsien, wie in der Sextantenbiopsie vorgesehen, und 4 Zylinder aus der Transitionalzone entnommen. Bei der Biopsie wurde jedoch gezielt die Punktion in Bereichen von – falls vorhanden – irregulärem Ultraschallmuster vorgenommen und das entsprechende Ultraschallbild dokumentiert. Ergebnisse: Bei 87 der 265 Patienten (32,8%) wurden Prostatakarzinome nachgewiesen. Biopsiezylinder aus isodensen Bereichen wiesen in 7,6% ein Prostatakarzinom auf. Die Karzinomhäufigkeit bei Biopsie von echoarmen und echoreichen Arealen sowie von Arealen mit unterschiedlichen Echomustern und von zystischen Arealen wurde mit 34,5, 26,9, 21,1 bzw. 0% ermittelt. Echoarme Befunde wurden seltener in der Transitionalzone nachgewiesen, waren jedoch dort in etwa gleicher Häufigkeit mit einem Karzinom verbunden wie in der peripheren Zone. Schlußfolgerungen: Das transrektale Ultraschallmuster in der Prostata liefert wichtige Hinweise auf das Vorhandensein eines Prostatakarzinoms. Insbesondere echoarme Läsionen deuten auf ein PCa hin. Echoreiche Läsionen und solche mit unterschiedlichen Echomustern enthielten jedoch Karzinome in so bedeutender Anzahl, daß diese Läsionen ebenfalls als karzinomverdächtig eingestuft werden müssen und auch eine gezielte Biopsie dieser Areale im Rahmen der Sextantenbiopsie empfehlenswert erscheint
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich
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Manseck, Andreas, K. Guhr, Oliver Hakenberg, Karsten Rossa et Manfred P. Wirth. « Clinical Significance of the Echogenicity in Prostatic Ultrasound Findings in the Detection of Prostatic Carcinoma ». Karger, 2000. https://tud.qucosa.de/id/qucosa%3A27626.

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Background: Transrectal ultrasound is commonly performed in the clinical evaluation of the prostate. Ultrasound-guided randomized sextant biopsy became the standard procedure for the diagnosis of carcinoma of the prostate (CaP). A guided biopsy of sonographically irregular lesions of the prostate is not performed in randomized biopsies. An almost generally accepted opinion is that hypoechoic lesions are suspicious for the presence of CaP. However, the role of prostatic lesions with an echogenicity other than iso- or hypoechoic, e.g. hyperechoic or irregular lesions in relation to CaP is not clear. The intention of the present prospective study was to clarify the role of different prostatic ultrasound findings with a new-generation ultrasound probe in regard to their relevance concerning the presence of cancer. Material and Methods: 265 patients who were referred for prostatic evaluation because of an elevated PSA serum level or a positive digital rectal examination were enrolled in a prospective study. All patients had a systematic ultrasound-guided sextant biopsy of the prostate and a 4-core biopsy of the transition zone. All biopsy cores taken were guided by transrectal ultrasound. In case of a sonographically suspicious lesion, biopsy was always directed into this area. The predominant ultrasound appearance was separately recorded for each core. Results: Carcinoma of the prostate was detected in 87 (32.8%) of the 265 patients. Biopsy cores with isoechoic ultrasound findings revealed CaP in 7.6%. The data for hypoechoic, hyperechoic, mixed-echoic and anechoic lesions were 34.5, 26.9, 21.1 and 0%, respectively. Hypoechoic ultrasound findings were less frequently found in the transition zone of the prostate, but the rate of CaP detection was the same as in the peripheral zone of the prostate. Conclusions:The transrectal ultrasound pattern of the prostate yields important information about the presence of carcinoma of the prostate. Especially hypoechoic lesions indicate the presence of CaP in a significant proportion of cases. However, hyperechoic lesions and lesions of mixed or irregular echogenicity were found to contain cancer in significant numbers as well, and should therefore be considered to be suspicious for cancer when performing transrectal ultrasound of the prostate. Directed biopsy of irregular ultrasound patterns in the prostate seems therefore to be recommendable.
Hintergrund: Der transrektale Ultraschall ist die häufigste bildgebende Untersuchung zur klinischen Beurteilung der Prostata. Zur Diagnostik des Prostatakarzinoms (PCa) hat sich die ultraschallgesteuerte Sextanten-Biopsie als Standardverfahren etabliert. Eine gezielte Biopsie irregulärer Ultraschallbezirke ist hier nicht vorgesehen. Es ist jedoch bekannt, daß sonographisch echoarm erscheinende Areale suspekt für die Präsenz eines PCa sind. Die Wertigkeit nicht einheitlicher oder echoreicher Ultraschallmuster ist jedoch bisher nicht zweifelsfrei geklärt. Ziel der vorliegenden Arbeit war es, mit einem Ultraschallgerät der neuesten Generation die Bedeutung der verschiedenen Ultraschallmuster bezüglich des Vorhandenseins von Prostatakarzinomen zu klären. Material und Methoden: 265 Patienten mit erhöhten PSA-Serumwerten oder suspekten Tastbefunden der Prostata wurden in die prospektive Untersuchung eingeschlossen. Bei allen Patienten wurden systematische, ultraschallgesteuerte Prostatabiopsien, wie in der Sextantenbiopsie vorgesehen, und 4 Zylinder aus der Transitionalzone entnommen. Bei der Biopsie wurde jedoch gezielt die Punktion in Bereichen von – falls vorhanden – irregulärem Ultraschallmuster vorgenommen und das entsprechende Ultraschallbild dokumentiert. Ergebnisse: Bei 87 der 265 Patienten (32,8%) wurden Prostatakarzinome nachgewiesen. Biopsiezylinder aus isodensen Bereichen wiesen in 7,6% ein Prostatakarzinom auf. Die Karzinomhäufigkeit bei Biopsie von echoarmen und echoreichen Arealen sowie von Arealen mit unterschiedlichen Echomustern und von zystischen Arealen wurde mit 34,5, 26,9, 21,1 bzw. 0% ermittelt. Echoarme Befunde wurden seltener in der Transitionalzone nachgewiesen, waren jedoch dort in etwa gleicher Häufigkeit mit einem Karzinom verbunden wie in der peripheren Zone. Schlußfolgerungen: Das transrektale Ultraschallmuster in der Prostata liefert wichtige Hinweise auf das Vorhandensein eines Prostatakarzinoms. Insbesondere echoarme Läsionen deuten auf ein PCa hin. Echoreiche Läsionen und solche mit unterschiedlichen Echomustern enthielten jedoch Karzinome in so bedeutender Anzahl, daß diese Läsionen ebenfalls als karzinomverdächtig eingestuft werden müssen und auch eine gezielte Biopsie dieser Areale im Rahmen der Sextantenbiopsie empfehlenswert erscheint.
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
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Daire, Arthur. « A review of antenatal MR imaging and correlation with antenatal ultrasound, postnatal imaging and post morem findings ». Master's thesis, University of Cape Town, 2013. http://hdl.handle.net/11427/2847.

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To determine the most common indication for foetal MRI, and to correlate ante-natal MRI with ante-natal ultrasound, post-natal imaging and post mortem findings. This was a retrospective study of imaging between January 2006 and December 2011. Seventy foetal MRI cases with complete medical records (antenatal and postnatal) were included in the study. Antenatal ultrasound and antenatal MR imaging was compared and also compared with the postnatal imaging findings. Stata 12 was used to analyse the Data. Spearman’s test was used to test the agreement between the results. Intracranial pathology was the most common indication for foetal MRI, with ventriculomegaly being the commonest indication determined from prenatal ultrasound. There was 72% agreement between antenatal ultrasound and foetal MRI. Post-natal findings showed 28% agreement with antenatal ultrasound and 39% agreement with foetal MRI. Intracranial pathology was the major indication for foetal MRI. The study found good agreement between prenatal ultrasound and foetal MRI but poor agreement between antenatal and postnatal findings.
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McDonald, Joseph. « Major Salivary Gland Ultrasound : Pilot Study of Findings and Feasibility in Childhood-Onset Systemic Lupus Erythematosus (cSLE) ». University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1583999153546294.

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Alsadoon, Abdulaziz. « Clinical Prediction Rule for Treatment Change Based on Echocardiogram Findings in Transient Ischemic Attack and Non-Disabling Stroke ». Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32406.

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The goal of this study was to derive a clinical prediction rule for transient ischemic attack (TIA) and non-disabling stroke to predict a treatment change based on echocardiogram. Methods: We conducted a cohort sub-study for TIA and non-disabling stroke patients collected over five years from 8 Emergency Departments. We compiled a list of 27 potential predictors to look for treatment change based on echocardiogram findings. We used a univariate, logistic regression and recursive partitioning analysis to develop the final prediction model. Results: The frequency of treatment change was seen in 87 (3.1%) of 2804 cases. The final model contains six predictors: age less than 50 years old, coronary artery disease history, history of heart failure, any language deficit, posterior circulation infarct and middle cerebral artery infarct on neuroimaging. Conclusions: We have developed a highly sensitive clinic prediction rule to guide in the use of echocardiogram in TIA and non-disabling stroke.
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Armato, Leonardo. « Yeast cell walls and live yeasts diet supplementation in beef cattle : effect on rumen fermentations and ultrasonographic rumen wall findings ». Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3422409.

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The objective of this thesis was to determine the effect of yeast supplements on the performance and health of beef cattle during the receiving and finishing period. Furthermore, another aim of this study was to evaluate the applicability of rumenocentesis on beef cattle and the viability of transabdominal ultrasonography of the rumen mucosa as a suitable, non-invasive diagnostic tool to identify beef cattle affected by SARA. Three trails were conducted in order to do achieve that. Trail I and Trail II were conducted simultaneously using the same animals, while the third trail used a larger sample but always in the same herd. Trail I and II assessed the effect of dietary supplementation of yeast cell wall (YCW) and live cell yeast (LY) at different dosages on rumen’s metabolites. Sixty Charolaise steers were divided into two groups on the basis of their feeding phase: growing and finishing. Growing and finishing groups were each randomly divided into equal three subgroups (n = 10): no supplement (growing control), supplemented with YCW, and supplemented with LY + YCW, no supplement (finishing control), supplemented with LY and supplemented with LY + YCW. Ruminal fluid has been collected before, after 21 and 42 days of experimental period in order to evaluate the volatile fatty acids concentrations and pH values. Faeces samples were collected before (T0), after 21 (T1) and 42 (T2) days of the start of the study, which took place simultaneously and analysed for dry matter (DM), Ash, crude protein (CP), ethereal extract (EE), neutral detergent fibre (NDF), acid detergent fibre (ADF), acid detergent lignin (ADL) and Starch detection. Dietary supplementation of LY and YCW increased (P<0.05) DM, ADF and ADL faecal concentrations in the growing phase; DM, ADL and Starch faecal concentrations in the finishing phase. T2/FC Diet showed a significant effect (P<0.001) of different diets respect to T2/FB in the finishing stage. The obtained results suggest that yeast supplementation do not have beneficial effects with all type of diet condition. Statistical analysis of VFA's data showed a significant effect of time (P < .05) on all studied parameters except iso-valeric acid both in growing and finishing groups. Changes among growing subgroups (P < .05) on propionic acid, acetic acid, iso-butyric acid and n-butyric acid were found, whereas no statistical significances were found among finishing subgroups. Trail III was conducted on 478 beef cattle of Charolaise breed, they were monitored three times during the livestock cycle in order to evaluating the rumen fluid pH and to assess the measures of the rumen wall: T0: 5±3 d after the arrival in farm;T1: 60±10 d after arrival; T2: 1 month before slaughter. Period effect (P<0.001) were found between the three periods after 10 days from the housing, rumen pH values were lower than the threshold value of 5.71 in T0 than in T1 and T2. Pearson’s analysis showed interaction between pH and total ultrasound thickness of rumen wall (-0.700; P<0.0001) and rumen mucosa (-0.7921; P<0.0001). Both differentiation efficiency of mucosal and submucosal layer thickness and rumen wall thickness between healthy and ruminal acidosis affected animals, as a result of ROC curve analysis, was excellent. Using a cut-off value of 5.4 mm, sensitivity was 96.30% and specificity was 91.60% on mucosal and submucosal layer. Using a cut-off value of 8.2 mm, sensitivity was 91.36% and specificity was 91.60 % on rumen wall thickness. The study show that transabdominal ultrasonography of the rumen mucosa has the potential to be a suitable diagnostic tool to identify fattening bulls affected by SARA.
L'obiettivo di questa tesi era di determinare l'effetto degli integratori lievito sulle prestazioni e la salute dei bovini da carne durante il periodo di ricevimento e finissaggio. Inoltre, un altro obiettivo di questo studio era di valutare l'applicabilità di ruminocentesi sui bovini da carne e la possibilità di utilizzare l'ecografia transaddominale della mucosa ruminale come uno strumento diagnostico non invasivo per identificare i bovini affetti da SARA. Tre prove sono state condotte al fine di fare raggiungere questo obiettivo. Trail I e II sono stati condotti simultaneamente utilizzando gli stessi animali, mentre per la terza prova utilizzato un campione più grande, ma sempre nella stessa azienda zootecnica. Trail I e II ha valutato l'effetto della supplementazione alimentare di pareti di lieviti (JWC) e lievito cellule vive (LY) a diversi dosaggi di metaboliti nel rumine. Sessanta vitelloni di razza Charolaise sono stati divisi in due gruppi sulla base della loro fase di alimentazione: accrescimento e finissaggio. Il fluido ruminale è stato raccolto al tempo zero e dopo 21 e 42 giorni del periodo sperimentale al fine di valutare le concentrazioni degli acidi grassi volatili e del pH. I campioni di feci sono stati raccolti prima (T0), dopo il 21 (T1) e 42 (T2) giorni dall'inizio dello studio, e sono stati analizzati per sostanza secca (DM), ceneri, proteina grezza (CP), estratto etereo (EE), fibra neutra detergente (NDF), fibra detergente acido (ADF), acido detergente lignina (ADL) e amido.I risultati ottenuti suggeriscono che la supplementazione di lievito non hanno effetti benefici con tutti i tipi di condizione di dieta. L'analisi statistica dei dati di VFA ha mostrato un effetto significativo di tempo (P <.05) su tutti i parametri studiati, eccetto l'acido iso-Valerianico sia nei gruppi di crescita e di finissaggio. 408/5000 Sono stati riscontrati cambiamenti tra sottogruppi crescita (P <.05) su acido propionico, acido acetico, acido iso-butirrico e l'acido n-butirrico, mentre non è stata trovata significatività statistica tra sottogruppi del finissaggio. Trail III è stato condotto su 478 bovini da carne di razza Charolaise, sono stati monitorati per tre volte durante il ciclo di bestiame al fine di valutare il pH del fluido ruminale e per valutare le misure della parete ruminale.Effetto Periodo (P <0.001) è stato riscontrato tra i tre periodi dopo 10 giorni dall'arrivo. Valori di pH ruminale erano inferiori al valore di soglia di 5.71 in T0 rispetto al T1 e T2. L'analisi di Pearson ha mostrato interazione tra il pH e spessore ad ultrasuoni totale di parete ruminale (-0,700; p <0,0001) e del rumine mucosa (-0,7921; p <0,0001). Lo studio dimostrano che l'ecografia transaddominale della mucosa ruminale ha il potenziale per essere uno strumento diagnostico adatto per identificare i tori da ingrasso affetti da SARA.
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Livres sur le sujet "Ultrasound findings"

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Madjar, H. The practice of breast ultrasound : Techniques, findings, differential diagnosis. 2e éd. Stuttgart : Thieme, 2008.

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Hall, Rebecca. The ultrasound handbook : Clinical, pathologic implications of sonographic findings. London : J.B. Lippincott, 1988.

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Hall, Rebecca. The ultrasound handbook : Clinical, etiologic, pathologic implications of sonographic findings. Philadelphia : Lippincott, 1988.

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Rebecca, Hall. The ultrasound handbook : Clinical, etiologic, pathologic implications of sonographic findings. 2e éd. Philadelphia : Lippincott, 1993.

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Rebecca, Hall. The ultrasound handbook : Clinical, etiologic, and pathologic implications of sonographic findings. 3e éd. Philadelphia : Lippincott Williams & Wilkins, 1999.

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Madjar, Helmut. Practice of Breast Ultrasound : Techniques, Findings, Differential Diagnosis. Thieme Verlag, George, 2008.

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Scoutt, Leslie M., Ulrike M. Hamper et Teresita L. Angtuaco, dir. Ultrasound. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199988105.001.0001.

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In 187 cases that feature more than 1700 high-quality images, Ultrasound provides a succinct review of clinically relevant cases covering the full range of clinical problems and diagnoses in this subspecialty of radiology. Pathologies are grouped into sections including gynecologic, obstetrical, abdominal, small parts, and vascular. The volume follows the easy-to-use format of question and answer in which the patient history and representative unlabeled images are provided on the first page of the case, and radiologic findings, differential diagnoses, teaching points, next steps in management, and suggestions for further reading are revealed on the following pages.
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Madjar, Helmut, et Jack Jellins. The Practice of Breast Ultrasound : Techniques, Findings, Differential Diagnosis. Thieme Medical Publishers, 2000.

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Madjar, H. The Practice of Breast Ultrasound : Techniques, Findings, Differential Diagnosis. Thieme Medical Publishers, 2008.

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The Practice of Breast Ultrasound : Techniques, Findings, Differential Diagnosis. Georg Thieme Verlag, 2000.

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Chapitres de livres sur le sujet "Ultrasound findings"

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Thiele, Ralf G., Sarah H. Chung et Elizabeth T. Jernberg. « Rheumatologic Findings ». Dans Basics of Musculoskeletal Ultrasound, 237–46. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73906-5_16.

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Thiele, Ralf G. « Rheumatologic Findings ». Dans Basics of Musculoskeletal Ultrasound, 119–26. New York, NY : Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-3215-9_16.

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Rübenthaler, J., et D. A. Clevert. « Incidental Findings in Ultrasound ». Dans Incidental Radiological Findings, 197–203. Cham : Springer International Publishing, 2016. http://dx.doi.org/10.1007/174_2016_68.

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Izumo, Takehiro. « Radial Endobronchial Ultrasound Findings ». Dans Respiratory Endoscopy, 109–15. Singapore : Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-287-916-5_16.

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Silvestri, Enzo, Ernesto La Paglia, Angelo Corazza et Gianluigi Martino. « US Pathologic Findings ». Dans Ultrasound-Guided Peripheral Nerve Blocks, 79–83. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-71020-4_3.

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Ciechomska, Anna. « Reporting Ultrasound Diagnosis and Findings ». Dans Pediatric Musculoskeletal Ultrasonography, 325–28. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-17824-6_17.

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Mazzeo, Vincenzina, Paolo Perri et Paola Monari. « Ultrasound findings in brawny scleritis ». Dans Documenta Ophthalmologica Proceedings Series, 411–17. Dordrecht : Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0601-3_53.

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Newcombe, David S. « Roentgenographic Findings and Musculoskeletal Ultrasound ». Dans Gout, 199–205. London : Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4264-5_7.

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Tsitouridis, Ioannis A., et Georgios E. Giataganas. « Ultrasound Findings in Adrenal Cancer ». Dans Imaging in Clinical Oncology, 473–74. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-68873-2_68.

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Tsitouridis, Ioannis A., et Georgios E. Glataganas. « Ultrasound Findings in Adrenal Cancer ». Dans Imaging in Clinical Oncology, 467–68. Milano : Springer Milan, 2013. http://dx.doi.org/10.1007/978-88-470-5385-4_70.

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Actes de conférences sur le sujet "Ultrasound findings"

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Zhong, Wenjing, Wai Hung Sit, Jennifer M. F. Wan, Alfred C. H. Yu, Yoichiro Matsumoto, Lawrence A. Crum et Gail Reinette ter Haar. « Sonoporation-Induced Apoptosis and Cell Cycle Arrest : Initial Findings ». Dans 10TH INTERNATIONAL SYMPOSIUM ON THERAPEUTIC ULTRASOUND (ISTU 2010). AIP, 2011. http://dx.doi.org/10.1063/1.3607924.

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De la Puente, C., J. Quiñones et S. Zegarra. « FRI0466 Articular affection in systemic sclerosis : correlation of ultrasound findings with clinical, biological and radiographical findings ». Dans Annual European Congress of Rheumatology, EULAR 2018, Amsterdam, 13–16 June 2018. BMJ Publishing Group Ltd and European League Against Rheumatism, 2018. http://dx.doi.org/10.1136/annrheumdis-2018-eular.7102.

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Gubern-Mérida, Albert, Tao Tan, Jan van Zelst, Ritse M. Mann et Nico Karssemeijer. « Automated linking of suspicious findings between automated 3D breast ultrasound volumes ». Dans SPIE Medical Imaging, sous la direction de Georgia D. Tourassi et Samuel G. Armato. SPIE, 2016. http://dx.doi.org/10.1117/12.2214945.

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Fujikawa, K., Y. Endo, A. Mizokami, M. Mine et A. Kawakami. « AB1035 Examination of ultrasound findings in undifferentiated spondyloarthritis patients with dactylitis ». Dans Annual European Congress of Rheumatology, 14–17 June, 2017. BMJ Publishing Group Ltd and European League Against Rheumatism, 2017. http://dx.doi.org/10.1136/annrheumdis-2017-eular.3170.

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Horn, Delia, Danielle Ehret, Kristen DeStigter, Erika M. Edwards et Renny Ssembatya. « Association Between Antenatal Ultrasound Findings And Neonatal Outcomes In Rural Uganda ». Dans AAP National Conference & Exhibition Meeting Abstracts. American Academy of Pediatrics, 2021. http://dx.doi.org/10.1542/peds.147.3_meetingabstract.683.

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Gonzalez Villarreal, Marusia, Erick J. Rendon Ramirez, Israel Nuñez Sosa, Perla R. Colunga Pedraza, Linda E. Muñoz Espinoza, Homero Nañez Terreros et Roberto Mercado Longoria. « Pleuropulmonary ultrasound findings and their association with chronic liver disease severity ». Dans ERS International Congress 2019 abstracts. European Respiratory Society, 2019. http://dx.doi.org/10.1183/13993003.congress-2019.pa4838.

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Vykhodtseva, Natalia, Yuexi Huang, Kullervo Hynynen, Yoichiro Matsumoto, Lawrence A. Crum et Gail Reinette ter Haar. « Histological Findings in the Brain after Focused Ultrasound Ablation Combined with Definity Using Parameters Suited for Transcranial Application ». Dans 10TH INTERNATIONAL SYMPOSIUM ON THERAPEUTIC ULTRASOUND (ISTU 2010). AIP, 2011. http://dx.doi.org/10.1063/1.3607884.

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Pieters, Cedric, Wouter J. Westerveld, Md Mahmud-Ul-Hasan, Simone Severi, Rami Shnaiderman, Vasilis Ntziachristos, Margo Billen et al. « Sensitive Optomechanical Ultrasound Sensor in a Silicon Photonic Chip towards Single-shot Photoacoustic Imaging with an Ultrasound Sensor Matrix ». Dans European Conference on Biomedical Optics. Washington, D.C. : Optica Publishing Group, 2021. http://dx.doi.org/10.1364/ecbo.2021.em3d.7.

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We propose a new opto-mechanical ultrasound sensor (OMUS) enabled by an innovative silicon photonics waveguide. We present experimental results up to 30 MHz, a 10-sensor array proof-of-concept and our latest findings.
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Brites, Luisa, Mariana Santiago, João Rovisco, João Dinis de Freitas, José Antonio P. Da Silva, Inês Silva, Filipa Teixeira, Daniela Faria, Cândida G. Silva et Sandra Falcão. « AB1127 ULTRASOUND INTER-READER RELIABILITY OF INFLAMMATORY FINDINGS IN PATIENTS WITH POLYARTHRITIS ». Dans Annual European Congress of Rheumatology, EULAR 2019, Madrid, 12–15 June 2019. BMJ Publishing Group Ltd and European League Against Rheumatism, 2019. http://dx.doi.org/10.1136/annrheumdis-2019-eular.2181.

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Prasciolu, C., C. Del Pezzo, L. Mereu et S. Tateo. « EP995 Ultrasound patterns compared to histopathological findings in ovarian granulosa cell tumor ». Dans ESGO Annual Meeting Abstracts. BMJ Publishing Group Ltd, 2019. http://dx.doi.org/10.1136/ijgc-2019-esgo.1039.

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Rapports d'organisations sur le sujet "Ultrasound findings"

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Chang, Ke-Vin. Shoulder Ultrasound Imaging in the Post-stroke Population : a Study Protocol for a Systematic Review and Meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, décembre 2022. http://dx.doi.org/10.37766/inplasy2022.12.0075.

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Review question / Objective: To investigate sonographic findings in post-stroke hemiplegic shoulders. Rationale: The incidence of post-stroke hemiplegic shoulder pain was high, ranging from 34% to 84%. Uncertainties remain regarding the prevalence, etiologies, and clinical implication of shoulder pathologies after stroke. Ultrasound has emerged as an accessible tool to diagnose diverse soft tissue problems Therefore, we undertake a meta-analysis to provide more rigorous understanding of the structural changes in post-stroke hemiplegic shoulders on ultrasound examination and hopefully to enhance the treatment strategy of hemiplegic shoulder pain.
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