نتایج جستجو برای: dimensional ultrasonography
تعداد نتایج: 441598 فیلتر نتایج به سال:
OBJECTIVE Three-dimensional ultrasonography (3DUS) has recently become a reality because of advances in ultrasound probes and machine processing ability. We have developed an anthropomorphic phantom of the human loin to assess both the accuracy of 3DUS of the kidney and its potential usefulness for training in ultrasonographically guided percutaneous renal intervention. METHODS The model was ...
OBJECTIVES To assess the evidence for the clinical effectiveness of ultrasound guided central venous cannulation. DATA SOURCES 15 electronic bibliographic databases, covering biomedical, science, social science, health economics, and grey literature. DESIGN Systematic review and meta-analysis of randomised controlled trials. Populations Patients scheduled for central venous access. INTERVEN...
Purpose. To compare the measurements of fetal nuchal fold (NF) thickness by two-dimensional (2D) and three-dimensional (3D) ultrasonography using the three-dimensional extended imaging (3DXI). Methods. A cross-sectional study was performed with 60 healthy pregnant women with a gestational age between 16 and 20 weeks and 6 days. The 2D-NF measurements were made as the distance from the outer sku...
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