Academic literature on the topic 'Umbilical Artery Doppler Velocimetry'

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Journal articles on the topic "Umbilical Artery Doppler Velocimetry"

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L., Rashmi, and Ashish Bhattacharjee. "Umbilical artery Doppler indices in relation to fetal outcome in high risk pregnancy." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7, no. 2 (2018): 628. http://dx.doi.org/10.18203/2320-1770.ijrcog20180184.

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Background: Umbilical artery Doppler indices in relation to fetal outcome in high risk pregnancy. The aim of this study was to study the umbilical artery Doppler velocimetry in predicting the fetal outcome in high risk pregnancy. This is a prospective study done over a period of 1 year in Silchar Medical College and Hospital from 1st September 2011 to 31st August 2012. 100 women with singleton pregnancy with high risk admitted in SMCH were subjected to umbilical artery Doppler along with morphology and biometry scan after fulfilling the inclusion and exclusion criteria.Methods: 100 women with
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Thomas, Jyothi Susan, A. Malliga, and S. Sethurajan. "Significance of umbilical artery doppler velocimetry in the perinatal outcome of growth restricted fetuses." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7, no. 3 (2018): 1074. http://dx.doi.org/10.18203/2320-1770.ijrcog20180895.

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Background: The objectives of the study are to determine the relationship between the umbilical artery Doppler and perinatal outcome in growth restricted foetuses and to compare the outcome with those of normal foetuses.Methods: A prospective observational study in which subjects were divided into two groups, pregnancies affected with intrauterine growth restriction (IUGR) and pregnancies with normal fetuses. Both the groups were followed with Doppler velocimetry of umbilical artery after 28 weeks till delivery. The perinatal outcome of both the groups with normal and abnormal umbilical artery
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Afroze, Zakia, and Rokeya Begum. "Significance of Umbilical Artery Velocimetry in Perinatal Outcome of Growth Restricted Fetuses." Journal of Bangladesh College of Physicians and Surgeons 33, no. 1 (2016): 12–17. http://dx.doi.org/10.3329/jbcps.v33i1.27994.

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Objectives: To study pregnancy outcomes in growth restricted fetuses with normal umbilical artery velocimetry, low end-diastolic umbilical flow, and absent or reversed diastolic flow. Methods: Fifty pregnant women with growth restricted fetuses were evaluated by umbilical artery velocimetry between 28 and 39 weeks of pregnancy. Outcome of pregnancy was recorded for the normal Doppler group (n=17; 34%), the low end diastolic flow group (n=23; 46%), the group with absent diastolic flow (n=8; 16%) and the group with reversed diastolic flow (n=2; 4%). Results: The average birth weight, diagnosis t
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R., Sumathi, and Mercy R. Rodrigo. "A prospective study on the role of umbilical artery doppler velocimetry in the perinatal outcome of growth restricted fetuses." International Journal of Reproduction, Contraception, Obstetrics and Gynecology 8, no. 12 (2019): 4930. http://dx.doi.org/10.18203/2320-1770.ijrcog20195347.

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Background: To compare pregnancy outcomes in growth-restricted fetuses retaining normal umbilical artery doppler flow and the outcomes of pregnancies with end-diastolic velocity diminished or severely reduced/absent.Methods: In a prospective observational study, one hundred pregnant women with growth-restricted fetuses were followed with doppler velocimetry of the umbilical artery between weeks 28 and 41 of pregnancy. Outcomes were compared for the normal doppler group (55%) (Group 1), the low-end diastolic flow group (32%) (Group 2), and the group with severely reduced or absent end-diastolic
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Divon, Michael Y., and Asaf Ferber. "Umbilical artery doppler velocimetry—an update." Seminars in Perinatology 25, no. 1 (2001): 44–47. http://dx.doi.org/10.1053/sper.2001.22892.

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Singh, Rohini, Sudipa Mondal, Manisha Bajaj, and Debasmita Mandal. "Doppler Velocimetry evaluation in high-risk pregnancy for prediction of Preeclampsia." Asian Journal of Medical Sciences 12, no. 10 (2021): 135–41. http://dx.doi.org/10.3126/ajms.v12i10.38390.

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Background: The uterine and umbilical artery Doppler scan is a valuable tool for evaluation of utero-placental blood flow in pregnancy. They help in detecting uteroplacental insufficiency thus predicting preeclampsia and other effects of faulty placentation which increase the risk of adverse effects on both mother and fetus. Aims and Objective: This study aimed to evaluate and compare the uterine artery and umbilical artery Doppler indices in second and third trimester for prediction of preeclampsia in high-risk pregnancies. Materials and Methods: In this prospective observational study done o
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Rohini Singh, Sudipa Mondal, Manisha Bajaj, and Debasmita Mandal. "Doppler Velocimetry evaluation in high-risk pregnancy for prediction of Preeclampsia." Asian Journal of Medical Sciences 12, no. 10 (2021): 135–41. https://doi.org/10.71152/ajms.v12i10.3651.

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Background: The uterine and umbilical artery Doppler scan is a valuable tool for evaluation of utero-placental blood flow in pregnancy. They help in detecting uteroplacental insufficiency thus predicting preeclampsia and other effects of faulty placentation which increase the risk of adverse effects on both mother and fetus. Aims and Objective: This study aimed to evaluate and compare the uterine artery and umbilical artery Doppler indices in second and third trimester for prediction of preeclampsia in high-risk pregnancies. Materials and Methods: In this prospective observational study done o
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Devesh, Vijay Bobde, Manjari Swain Basanta, Das Swati, et al. "Role of Doppler Velocimetry and Placental Thickness in Evaluation of IUGR." International Journal of Pharmaceutical and Clinical Research 16, no. 11 (2024): 1238–46. https://doi.org/10.5281/zenodo.14251819.

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<strong>Objectives:&nbsp;</strong>The present study was to evaluate the role of Doppler velocimetry of umbilical artery and middle cerebral artery for non-anomalous fetus with suspected IUGR. And to evaluate the placental thickness in suspected cases of IUGR.&nbsp;<strong>Methods:&nbsp;</strong>&nbsp;A detailed clinical history, fetal biometry, amniotic fluid assessment and color Doppler study were performed on S10 voluson with a curvilinear transducer, having a variable frequency of 1.0-5.0 MHz. The ratio between the pulsatility index (PI) of the middle cerebral artery (MCA) and the umbilical
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Reiss, Rosemary. "Umbilical Artery Doppler Velocimetry: Applications and Limitations." American Journal of Perinatology 8, no. 04 (1991): 293. http://dx.doi.org/10.1055/s-2007-999400.

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ULM, B., M. ULM, J. DEUTINGER, and G. BERNASCHEK. "Umbilical artery Doppler velocimetry in fetuses with a single umbilical artery." Obstetrics & Gynecology 90, no. 2 (1997): 205–9. http://dx.doi.org/10.1016/s0029-7844(97)00246-9.

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Dissertations / Theses on the topic "Umbilical Artery Doppler Velocimetry"

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Dempster, J. "A Doppler ultrasound study of the umbilical artery." Thesis, University of Aberdeen, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234028.

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Analysis of the waveforms obtained from the umbilical artery using Doppler ultrasound has been claimed in a number of recent reports to be a highly specific method of identifying babies with intrauterine growth retardation. Because of the morbidity and mortality associated with this condition it was important to evaluate the validity of those claims before introducing the method into obstetric practise. The work in this thesis was carried out in four parts. Firstly the technique was found to be reproducible with small intra and inter-observer errors. Secondly, possible influencing factors were
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Beattie, Robert Bryan. "Evaluation of umbilical artery Doppler ultrasound in human pregnancy." Thesis, Queen's University Belfast, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336190.

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Hoskins, Peter R. "An investigation of the quality of umbilical artery Doppler waveforms." Thesis, University of Edinburgh, 1991. http://hdl.handle.net/1842/19852.

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In Doppler systems which automatically calculate the maximum frequency envelope and pulsatility index (PI) of umbilical artery Doppler waveforms there is the possibility of error in these parameters when the technical quality of the acquired waveform is low. Low quality waveforms may arise when there is an inapproprite set of physical parameters or when there are other sources of noise such as overlying vessels signals. In this thesis the effect of physical parameters on the envelope and on PI are investigated, and also methods for the detection of low quality waveforms are described and teste
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Puzey, Martin Stanley. "The investigation of the calcium antagonist nifedipine on fetal umbilical artery Doppler waveforms." Master's thesis, University of Cape Town, 1992. http://hdl.handle.net/11427/27134.

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The following thesis will describe the investigation of the effect of nifedipine (a calcium antagonist) on the Doppler flow velocity waveform of the umbilical artery. The thesis is divided into two parts. The first section is a literature review of the three main aspects of the thesis namely: 1. The uteroplacental circulation in humans and the pathophysiology related to this circulation in hypertension and intrauterine growth retardation (IUGR). 2. The biokinetics of nifedipine and a review of the experiments that have been performed using the drug in human and animal models. 3. The principles
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Vugt, Johannes Marinus Gerardus van. "Fetal artery Doppler velocimetry a study in the human fetus and the fetal lamb /." Maastricht ; Rijksuniversiteit Limburg ; Maastricht : University Library, Maastricht University [Host], 1988. http://arno.unimaas.nl/show.cgi?fid=5436.

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Huisseling, Johannes Caspar Maria van. "Umbilical artery blood flow velocity waveforms and placental vascular resistance a study in fetal lambs /." Maastricht : Maastricht : Datawyse ; University Library, Maastricht University [Host], 1990. http://arno.unimaas.nl/show.cgi?fid=5601.

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Harper, Margaret Ann. "Investigation of the response of fetal umbilical artery blood flow characteristics to drug therapy using Doppler ultrasound." Thesis, Queen's University Belfast, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317026.

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Thompson, A. J. "Health status at twelve years in children who were intensively studied by antenatal umbilical artery Doppler ultrasonography." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368457.

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Stuart, Ian Peter. "An assessment of the role of Doppler ultrasound velocity waveform analysis of the umbilical artery in the diagnosis of fetal distress in labour." Master's thesis, University of Cape Town, 1993. http://hdl.handle.net/11427/27136.

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Introduction: An assessment of the role of Doppler ultrasound velocity waveform analysis of the fetal umbilical arteries in the diagnosis of fetal distress in labour is made from a review of the literature and clinical study. Study objectives: 1) To determine the value of screening with Doppler ultrasound in high-risk labours in the prediction of the development of indicators of fetal distress. 2) To determine whether Doppler velocimetry indices of the umbilical arteries change with the development of indicators of fetal distress in labour. Design: Repeated Doppler velocimetry in selected high
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Burkhardt, Tilo. "Vergleich des Nabelschnur-Resistance-Index von monochorialen und dichorialen Geminischwangerschaften." Doctoral thesis, [S.l.] : [s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=967645301.

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Books on the topic "Umbilical Artery Doppler Velocimetry"

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Jeffress, Andrea Toulson. Prenatal ultrasound biometry combined with umbilical and middle cerebral artery doppler velocimetry for the detection of intrauterine growth restriction. s.n.], 1996.

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Johannes Caspar Maria van Huisseling. Umbilical artery blood flow velocity waveforms and placental vascular resistance: A study in fetal lambs. Datawyse, 1990.

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Jacquemyn, Yves, and Anneke Kwee. Antenatal and intrapartum fetal evaluation. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198713333.003.0006.

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Antenatal and intrapartum fetal monitoring aim to identify the beginning of the process of fetal hypoxia before irreversible fetal damage has taken place. Fetal movement counting by the mother has not been reported to be of any benefit. The biophysical profile score, incorporating ultrasound and fetal heart rate monitoring, has not been proven to reduce perinatal mortality in randomized trials. Doppler ultrasound allows the exploration of the perfusion of different fetal organ systems and provides data on possible hypoxia and fetal anaemia. Maternal uterine artery Doppler can be used to select
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Book chapters on the topic "Umbilical Artery Doppler Velocimetry"

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Maulik, Dev. "Umbilical Doppler Velocimetry: Normative Data and Diagnostic Efficacy." In Doppler Ultrasound in Obstetrics & Gynecology. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-86441-4_8.

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Maulik, Dev, Tabitha Schrufer-Poland, and Emily M. Williams. "Umbilical Doppler Velocimetry: Normative Data and Diagnostic Efficacy." In Doppler Ultrasound in Obstetrics and Gynecology. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-06189-9_14.

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Maulik, Dev, and Tara Daming. "Umbilical Artery Doppler for Fetal Surveillance: Diagnostic Efficacy." In Doppler Ultrasound in Obstetrics and Gynecology. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-06189-9_24.

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Maulik, Dev, David Mundy, and Timothy Bennett. "Umbilical artery doppler sonography for fetal surveillance: Principles and practice." In Clinical Maternal-Fetal Medicine Online, 2nd ed. CRC Press, 2021. http://dx.doi.org/10.1201/9781003222590-59.

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Maulik, Dev. "Absent End-Diastolic Velocity in the Umbilical Artery and Its Clinical Significance." In Doppler Ultrasound in Obstetrics & Gynecology. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-86441-4_21.

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Maulik, Dev, and Tabitha Schrufer-Poland. "Absent End-Diastolic Velocity in the Umbilical Artery and Its Clinical Significance." In Doppler Ultrasound in Obstetrics and Gynecology. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-06189-9_25.

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Wong, Chun Kit, Manxi Lin, Alberto Raheli, et al. "An Automatic Guidance and Quality Assessment System for Doppler Imaging of Umbilical Artery." In Simplifying Medical Ultrasound. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-44521-7_2.

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Kajiya, Fumihiko, Yoshifumi Wada, and Takashi Fujiwara. "Flow Characteristics in Poststenotic Regions of the Human Coronary Artery Assessed by 20-MHz 80-Channel Pulsed Doppler Velocimetry." In Microcirculation in Circulatory Disorders. Springer Japan, 1988. http://dx.doi.org/10.1007/978-4-431-68078-9_41.

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Streiff, Agathe, and Yelena Spitzer. "Fetal Physiology and Antepartum Fetal Surveillance." In Obstetric Anesthesia Practice. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780190099824.003.0003.

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Fetal surveillance is an integral part of prenatal care, especially in the last trimester. In order to understand antepartum fetal surveillance modalities, clinicians must be familiar with fetal physiology. This chapter will describe fetal cardiac physiology, which is primarily monitored. The authors will also describe fetal respiratory physiology and neurologic function to understand the impact of fetal distress, which may result in lifelong sequelae. In the subsequent sections, antepartum fetal surveillance technology is described, including nonstress tests, the biophysical profile, and umbi
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Kato, Yoko. "Mechanical Environment in the Human Umbilical Cord and Its Contribution to the Fetal Circulation." In Maternal and Child Health [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.106565.

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The fetal blood flow in two arteries and one vein of the human umbilical cord could be influenced by the conditions of the fetal growth and placenta that the evaluation of the blood flow pattern by ultrasound Doppler velocimetry is important. That is, the mechanical environment in the umbilical cord should be kept to maintain the blood flow suitable for good fetus growth. In this chapter, a human umbilical cord model for finite analysis, based on the mechanical and histological characteristics is proposed. Considering that the active force production by hyaluronan, proteoglycan, smooth muscle
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Conference papers on the topic "Umbilical Artery Doppler Velocimetry"

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Pallavi, V., L. Gupta, S. K. Naik, R. S. Sisodia, and C. Firtion. "Doppler based identification of uterine artery and umbilical artery for monitoring pregnancy." In 2010 32nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2010). IEEE, 2010. http://dx.doi.org/10.1109/iembs.2010.5628089.

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Gonser, Markus, Ladina Vonzun, and Nicole Ochsenbein-Kölble. "Ophthalmic artery Doppler velocimetry in pre-eclampsia. State of the art." In 46. Dreiländertreffen der DEGUM in Zusammenarbeit mit ÖGUM & SGUM. Georg Thieme Verlag, 2023. http://dx.doi.org/10.1055/s-0043-1772302.

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Kara, Sadik, Fatma Latifoglu, and Mehmet Güney. "Fractal Analysis of Umbilical Artery Doppler Signals from Normal Pregnant Subject Using Hurst Exponent." In 2007 Frontiers in the Convergence of Bioscience and Information Technologies. IEEE, 2007. http://dx.doi.org/10.1109/fbit.2007.35.

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Vonzun, L., M. Gonser, U. Moehrlen, et al. "M-sign in middle cerebral Doppler waveforms and umbilical artery Doppler before, during and after fetal myelomeningocele repair." In 30. Kongress der Deutschen Gesellschaft für Perinatale Medizin – „Wandel als Herausforderung“. Georg Thieme Verlag, 2021. http://dx.doi.org/10.1055/s-0041-1739815.

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Latifoglu, Fatma, Sadik Kara, and Mehmet Guney. "Spectral analysis of umbilical artery Doppler signals during normal pregnancy using STFT and AR method." In 2007 9th International Symposium on Signal Processing and Its Applications (ISSPA). IEEE, 2007. http://dx.doi.org/10.1109/isspa.2007.4555450.

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Chen, D., and Z. Zhan. "SAT0427 Predictive value of fetal umbilical artery doppler in adverse pregnancy outcomes in patients with lupus nephritis." In 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.5030.

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Zhan, Z., D. Chen, Q. Qiu, X. Wang, and Y. Zhan. "SAT0417 Predictive value of fetal umbilical artery doppler in preterm birth in patients with systemic lupus erythematosus." In 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.2256.

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Gonser, M., A. Klee, K. Wessler, and V. Seidel. "Assessment of pulse wave velocity in the human umbilical artery: a first approach by Doppler blood flow analysis." In 28. Deutscher Kongress für Perinatale Medizin. Georg Thieme Verlag KG, 2017. http://dx.doi.org/10.1055/s-0037-1607892.

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Zhan, Z., D. Chen, Q. Qiu, and Y. Yang. "THU0250 Effect of fetal umbilical artery doppler on prediction of adverse pregnancy outcomes in women with systemic lupus erythematosus." In 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.2210.

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Kefayati, Sarah, Janet L. Powell, Emily Y. Wong, and Tamie L. Poepping. "Investigation of the effect of geometrical features of carotid artery plaque on turbulence intensity using Doppler ultrasound and particle image velocimetry." In 2012 IEEE International Ultrasonics Symposium. IEEE, 2012. http://dx.doi.org/10.1109/ultsym.2012.0402.

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