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" Doppler blood flow measurement in uteroplacental and fetal vessels : "
Birgit Arabin. Forewords by S. Campbell and E. Saling.
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BL
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715559
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b537712
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| Main Entry
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Birgit Arabin. Forewords by S. Campbell and E. Saling.
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| Title & Author
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Doppler blood flow measurement in uteroplacental and fetal vessels : : pathophysiological and clinical significance ; with 35 tables\ Birgit Arabin. Forewords by S. Campbell and E. Saling.
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| Publication Statement
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Berlin: Springer, 1990
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XV, 148 Seiten : Illustrationen, Diagramme
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| ISBN
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0387515313
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: 3540515313
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: 9780387515311
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: 9783540515319
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| Notes
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Literaturverz. S. 139 - 148.
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| Contents
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1 Introduction.- 1.1 Anatomical and Pathophysiological Principles.- 1.1.1 Uteroplacental Hemodynamics.- 1.1.2 Fetoplacental Hemodynamics.- 1.2 Experimental Blood Flow Measurement in Animal and Clinical Studies.- 1.2.1 Uteroplacental Hemodynamics.- 1.2.2 Fetoplacental and Fetal Hemodynamics.- 1.3 Development of Doppler Blood Flow Measurements.- 2 Methodology.- 2.1 History of the Doppler Principle.- 2.2 Fundamental Physical Principles.- 2.3 The Doppler Technique in Medical Diagnosis.- 2.3.1 The Doppler Spectrum.- 2.3.2 Continuous-Wave Doppler Method.- 2.3.3 Pulsed Doppler Method.- 2.3.4 Processing of the Doppler Signal.- 2.3.5 Safety of Doppler Ultrasound.- 2.4 Description of Our Instrument (Duplex System).- 2.5 Practical Procedure.- 2.5.1 Uteroplacental Vessels.- 2.5.2 Umbilical Artery.- 2.5.3 Fetal Descending Thoracic Aorta.- 2.5.4 Fetal Common Carotid Artery.- 2.6 Evaluation of Doppler Frequency Spectra.- 2.6.1 Quantitative Evaluation: Blood Flow Velocity/Blood Flow Volume.- 2.6.2 Qualitative Evaluation: S/D Ratio, Resistance Index, Pulsatility Index.- 2.7 Patient Material and Measurements.- 2.7.1 Normal Group.- 2.7.2 Group with Follow-Up Studies of the Placenta.- 2.7.3 Risk Group.- 2.8 Data Collection.- 2.9 Statistical Analysis.- 2.9.1 Major Influencing Factors.- 2.9.2 Reproducibility.- 2.9.3 Calculation of Standard Curves.- 2.9.4 Possible Pathophysiological Interrelationships: Correlations Between Blood Flow Parameters and Placental Morphology.- 2.9.5 Assessments of Clinical Significance.- 2.10 Criticism of Method.- 2.10.1 Physiological Variations.- 2.10.2 Display of Doppler Spectrum.- 2.10.3 Vascular Wall Filter.- 2.10.4 Determination of Angle.- 2.10.5 Vessel Diameter.- 2.10.6 Instrument Used in Our Studies (8130 Duplex).- 3 Results.- 3.1 Doppler Blood Flow Measurements in Normal Pregnancy.- 3.1.1 Major Factors Affecting Fetal and Uteroplacental Blood Flow Parameters.- 3.1.2 Reproducibility.- 3.1.3 Normal Values of Uteroplacental and Fetal Blood Flow Parameters.- 3.2 Pathophysiological Significance of Doppler Blood Flow Measurements.- 3.2.1 Correlation Between Blood Flow Parameters and Pathomorphological Findings in the Placenta.- 3.2.2 Blood Flow Parameters in Risk Pregnancies.- 3.3 Clinical Significance of Doppler Blood Flow Measurements.- 3.3.1 Comparison of Diagnostic Values of Blood Flow Parameters.- 3.3.2 Comparison with Other Monitoring Parameters.- 3.3.3 Studies in a Group with Loss of Recordable End-Diastolic Velocity in the Umbilical Artery and/or Fetal Aorta.- 4 Discussion.- 4.1 Physiological Aspects.- 4.1.1 Dependence of Fetal Blood Flow Parameters on Heart Rate and Movement Status.- 4.1.2 Dependence of Uteroplacental Blood Flow Parameters on the Location of the Vessel Relative to the Placenta.- 4.1.3 Reproducibility.- 4.1.4 Normal Values.- 4.2 Pathophysiological Aspects.- 4.2.1 Correlation Between Blood Flow Parameters and Pathomorphological Placental Findings.- 4.2.2 Blood Flow Parameters in Risk Pregnancies.- 4.3 Clinical Aspects.- 4.3.1 Comparison of Blood Flow Parameters.- 4.3.2 Comparison of Different Monitoring Parameters.- 4.3.3 Studies in the Group with Loss of Recordable End-Diastolic Velocity.- 4.3.4 Outlook for Other Obstetrical Uses of Doppler Ultrasound.- 5 Summary.- 6 Conclusions.- References.
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Blood Flow Velocity
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Doppler-Sonographie.
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Plazentarer Kreislauf.
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| Added Entry
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Brigitte Arabin
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