Radiology
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To systematically examine whether abandoning daily routine chest radiography would adversely affect outcomes, such as mortality and length of stay (LOS), and identify a subgroup in which daily routine chest radiography might be beneficial. ⋯ Systematic but unselective daily routine chest radiography can likely be eliminated without increasing adverse outcomes in adult patients in ICUs. Further studies are necessary to identify the specific patient population that would benefit from daily routine chest radiographs.
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To prospectively determine whether cardiac-gated multidetector computed tomography (CT) allows visualization of aortic valve leaflets after bioprosthetic aortic valve replacement (AVR), to provide an accurate method for measuring the aortic valve opening, and to provide morphologic and functional information regarding the mechanism underlying poor function of the bioprosthetic valve. ⋯ Sixty-four-section CT can help accurately measure AVA in bioprosthetic AVR compared with EOA at TTE. It can also show morphologic abnormalities and reduced leaflet motion in a dysfunctional bioprosthesis, thereby potentially unraveling the mechanism of dysfunction.
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To investigate relationships between magnetic resonance (MR) imaging measurements and the underlying composition of normal and malignant prostate tissue. ⋯ MR imaging-derived parameters measured in the prostate were significantly related to the proportion of specific histologic components that differ between normal and malignant PZ tissue. These relationships may help define imaging-related histologic prognostic parameters for prostate cancer.
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To determine the prevalence of trauma-related dural venous sinus thrombosis (DVST) in high-risk patients with blunt head trauma who are examined with multidetector computed tomographic (CT) venography. ⋯ In patients with blunt head trauma, multidetector CT venographic evaluation should be performed only if there is a fracture extending to a dural venous sinus or jugular bulb.