نتایج جستجو برای: ultrasound
تعداد نتایج: 108659 فیلتر نتایج به سال:
Background: Accurate and early detection of non-alcoholic fatty liver, which is a major cause of chronic diseases is very important and is vital to prevent the complications associated with this disease. Ultrasound of the liver is the most common and widely performed method of diagnosing fatty liver. However, due to the low quality of ultrasound images, the need for an automatic and intelligent...
Introduction: Transient cavitations induced by low frequency irradiation of ultrasound can be used to treat tumors. Previous studies in in-vitro experiments have shown that induced cavitation by dual or multiple frequencies of ultrasound is greater than induced cavitation by single frequency irradiation. In this study, we compared and evaluated the treatment effects of dual frequency irradiatio...
Aims: Ovarian cancer has the worst prognosis among female genital tract malignancies, but if detected in the early stages, it is one of the most treatable malignancies. The aim of this study was to investigate the diagnostic value of tumor markers compared to ultrasound in the diagnosis of ovarian tumors. Materials and methods: In this cross-sectional-analytical study, 210 women referred to ...
Background and Objective: Ocular biometry refers to the measurement of the axial length of the eye and thickness of the intraocular structures. This process is routinely performed for all patients before cataract surgery. The accuracy of the biometric data is directly associated with the refractive status after cataract surgery. Currently, two methods of biometry, namely ultrasound and optical ...
Introduction: The Parikh’s formula is a calculation method that considers menstrual cycle duration in women who have an unusual interval of menstruation cycle. Since the accurate estimation of gestational age affects pregnancy outcomes, the present study aimed to compare the first trimester ultrasound and Parikh’s formula in determining the Expected Date of Delivery (EDD). Mate...
objective: this study was performed for evaluation of accuracy of fetal weight estimation by clinical & ultrasonographic methods in iranian population . meterial & method:this prospective study was conducted on two hundred preg .nant mothers that reffered to obstetric department during years 1378 & 1379 . findings:our study showed that there was statistically significant difference between clin...
conclusions the two treatment methods had similar effects and there were no significant difference between them, while significant improvement was seen in the experimental groups compared with the control group. background shortness of skeletal muscles may cause musculoskeletal disorders of body; improvement of these muscles may improve posture and body function. objectives the aim of this stud...
introduction: one of the minimally invasive methods of treatmenting liver malignancies is radiofrequency ablation (rfa) which can be applied to primary or secondary tumors. nevertheless, the disease recurrence is probable after rfa application partially due to the inadequate capability of temperature monitoring of the target tissue and visualizing the thermal damage. the goal of this work was t...
in this research roasted and sonicated rice bran were added at different levels (0, 5, 10, and 15% w/w) to wheat flour for the production of semi-voluminous bread. dough's rheological properties as well as textural and sensory characteristics of bread were investigated. the results showed that water absorption (%), development time (min) and the degree of dough softening (fu) were increased but...
conclusions in our conditions, the use of an anatomical landmark-guided procedure was the preferred treatment method due to limited resources and a lack of adequate training. background central venous cannulation is a current and important procedure used in the operating room and intensive care unit. some studies have shown that the application of ultrasound-guided cannulation can improve the s...
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