搜索结果: 1-15 共查到“医学 doppler”相关记录39条 . 查询时间(0.049 秒)
Microcirculation Under an Elastic Bandage During Rest and Exercise - Preliminary Experience With the Laser-Doppler Spectrophotometry System O2C
External compression blood flow non-invasive diagnostics lower extremity exercise
2015/5/18
There is an abundace of studies on the influence of rest and exercise as well as external compression on cutaneous, subcutaneous and muscle tissue blood flow using different measurement techniques. As...
Comparison of Doppler Guided Hemorrhoid Artery Ligation and Milligan Morgan Hemorrhoidectomy in Management of Hemorrhoidal Disease
Hemorrhoids Hemorrhoidectomy
2015/10/12
Background: Hemorrhoidal disease is the most common rectal disorder, and many modalities have been suggested for its treatment.
Comparison of Doppler Guided Hemorrhoid Artery Ligation and Milligan Morgan Hemorrhoidectomy in Management of Hemorrhoidal Disease
Hemorrhoids Hemorrhoidectomy
2015/9/30
Background: Hemorrhoidal disease is the most common rectal disorder, and many modalities have been suggested for its treatment.
Transcranial Doppler Ultrasonography in Beta-thalassemia Major Patients Without and With Thrombocytosis
Beta-thalassemia Thrombocytosis Ultrasonography Doppler Transcranial
2015/9/29
Background: Beta-thalassemia is a type of anemia in which the patients may require splenectomy and this can lead to thrombocytosis with increased risk of stroke. Transcranial Doppler ultrasound is a m...
Gestation-specific reference intervals for fetal cardiac Doppler indices from 12 to 40 weeks of gestation
Cardiac Doppler Fetal Gestation Age Reference Range Ultrasound
2013/1/31
We aimed to establish gestation age specific reference intervals for Doppler indices of fetal cardiac function from 12 to 40 weeks of pregnancy. In a cross-sectional observational study of singleton p...
Evaluation of solid breast lesions with color doppler sonography and power doppler imaging
Color doppler songraphy Power doppler imaging
2010/1/6
Background: The purpose of our study was to assess the potential of color Doppler (CD) and Power Doppler Imaging (PDI) to differentiate benign from malignant solid breast masses. Materials and Methods...
Doppler-derived right ventricular myocardial performance index in neonates:Normal values
RV MPI Normal values newborn infants
2009/12/25
Doppler-derived myocardial performance index (MPI), defined as the sum of isovolumetric contraction and relaxation durations divided by ejection time, is an easily measured and reproducible index that...
ASSESSMENT OF ENDOMETRIAL-SUBENDOMETRIAL BLOOD FLOW DETECTED BY COLOR DOPPLER SONOGRAPHY AND UTERINE RECEPTIVITY IN INFERTILE WOMEN
Uterine blood flow
2009/12/18
ndometrial vasculature has been shown to play an important role in the early endometrial response to the implanting blastocyst, and vascular changes may contribute to uterine receptivity. The aim of t...
Role of Tissue-Doppler Imaging to Assess Left Ventricular Function in Patients with Right Ventricular Pacing
Tissue-doppler imaging Left ventricular function Right ventricular pacing
2015/9/18
Background: Right ventricular apical (RVA) pacing has been reported to impair diastolic and systolic function. These changes were usually studied by conventional echocardiography, while tissue-doppler...
Development of a New Method for Discriminating Embolus from Air Bubble by Active Ultrasound Doppler Method. 1 (Experiments of Ultrasound Irradiation Perpendicular to a Tube Axis in Flows of Water and Modeled Blood)
USD TCD cerebral embolism characteristic acoustic impedance acoustic radiation force
2009/8/24
An “active” ultrasound Doppler method was newly developed in order to directly and easily discriminate emboli from micro bubbles flowing in blood vessel. The principle of this method is based on measu...
Gas phase formation and Doppler monitoring during decompression with elevated oxygen
decompression human
2009/7/15
Subjects in 150 man-dives were precordially monitored with a 5-MHz Doppler ultrasound bubble detector. These measurements were made during a series of dives conducted to test decompression tables that...
Doppler bubble detection and decompression sickness: a prospective clinical trial
decompression pulmonary human
2009/7/15
Decompression sickness in human beings exposed to high ambient pressure is thought to follow from gas bubble formation and growth in the body during return to low pressure. Detection of Doppler-shifte...
Transvaginal Color Doppler Analysis of Benign Uterine Leiomyomas
Uterine Leiomyoma Ultrasonography Color Doppler Doppler
2009/7/3
In this study, the blood flow velocity waveforms of the leiomyoma, uterine artery and myometrium with color doppler ultrasound were analyzed in patients with postoperative diagnosis of benign uterine ...
Bizarre Blood Flow Patterns Detected by Transvaginal Pulsed and Color Doppler Ultrasonography in Ectopic Pregnancies
Ectopic pregnancy ultrasonography color Doppler Trophoblastic flow
2009/7/3
The characteristics of blood flow patterns detected by transvaginal pulsed and color Doppler ultrasonography were evoluated in ectopic pregnanacies. Two hundred and fifteen patients with surgically an...
The Evaluation of Microanastomoses in Rats with Color Doppler Ultrasonography
Color Doppler Ultrasonography Microanastomosis Vascular patency
2009/7/2
Purpose: To evaluate the vascular patency of microanastomoses in rats with color Doppler ultrasonography. Materials and Methods: 15 superficial femoral and 15 carotid arterial end-to-end anastomoses w...