Fetal Splenic Artery Pulsatility Index May Predict the Need for Neonatal Intensive Care in Gestational Diabetes Class A1 Cases. [PDF]
J Pers MedAlbayrak M +3 more
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Influence of Cesarean Section Scar on the Mean Pulsatility Index of the Uterine Artery Doppler between 20 and 34 Weeks of Gestation. [PDF]
Geburtshilfe FrauenheilkdPeixoto AB +7 more
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New evidence for fractional pressure ratio prediction by pulsatility index from transcranial Doppler in patients with symptomatic cerebrovascular stenosis disease. [PDF]
Quant Imaging Med SurgXu X +7 more
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The Portal Venous Pulsatility Index and Main Portal Vein Diameter as Surrogate Markers for Liver Fibrosis in Nonalcoholic Fatty Liver Disease and Metabolic-Dysfunction-Associated Steatotic Liver Disease. [PDF]
Diagnostics (Basel)Lee J +5 more
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Use of Pulmonary Artery Pulsatility Index in Cardiac Surgery
Journal of Cardiothoracic and Vascular Anesthesia, 2020This study evaluated whether the pulmonary artery pulsatility index (PAPi) collected before and after cardiopulmonary bypass (CPB) is predictive and diagnostic of new onset right ventricular (RV) failure in the elective cardiac surgical population.This was a prospective observational study of patients who underwent cardiac surgery between 2017 and 2019.
Lisa Q Rong +2 more
exaly +3 more sources
Pulsatility index of superior mesenteric artery blood velocity waveforms
Ultrasound in Medicine and Biology, 1986A transcutaneous Doppler ultrasound technique was used to investigate superior mesenteric artery blood velocity waveforms in normal subjects. The shape of the waveforms was quantified by means of the pulsatility index (PI). The mean value +/- standard error of the mean of the PI measured in 82 normal subjects in the resting and fasting state was 3.57 +/
M I, Qamar +4 more
exaly +3 more sources
To the Editor.— The determination of cerebral blood velocity in the newborn infant using transfontanel Doppler ultrasound has been discussed in detail in two recent commentaries.1,2 Whereas the use of the Doppler effect to determine blood velocity is well accepted, it is apparent that considerable controversy exists regarding the ability
D G, Batton, J, Hellmann, M J, Maisels
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Peak Systolic Velocity, Resistance Index and Pulsatility Index
Acta Radiologica, 1997Purpose: To study variation in the process of measuring Doppler ultrasound (US) wave forms. Material and Methods: Eleven radiologists measured peak systolic velocity (PSV), resistance index (RI), and pulsatility index (PI) from a pre-recorded videotape.
Raija Mikkonen +2 more
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Gosling’s Doppler Pulsatility Index Revisited
Ultrasound in Medicine & Biology, 1998In Doppler sonography, the physiological meaning of Gosling's pulsatility index (PI) as a measure of downstream resistance is still under dispute. We deliver the theoretical derivation of its physiological significance. We present a mathematical model based on the linked theories of critical closing pressure (CCP) and cerebrovascular impedance ...
E, Michel, B, Zernikow
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Real-time calculation of ultrasonic pulsatility index
Medical & Biological Engineering & Computing, 1981One of the disadvantages of indices derived from ultrasonic Doppler signals is that they are not normally available instantaneously. In an attempt to overcome this problem, a real-time spectrum analyser has been interfaced to an Intel 8085 microprocessor system and programmed to calculate pulsatility index in real time.
D T, Gibbons +3 more
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