نتایج جستجو برای: negative sign
تعداد نتایج: 585673 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE Absence of the MCA susceptibility vessel sign (negative MCA susceptibility vessel sign) on gradient recalled-echo MR imaging in acute stroke is commonly associated with in situ stenosis and thrombotic occlusion. We evaluated the effectiveness and safety of the Solitaire stent as the first-line device for the recanalization of MCA occlusion with a negative MCA susceptibili...
We are concerned with the multiplicity of positive solutions for singular superlinear and subcritical Schrödinger equation [Formula: see text] beyond Nehari extremal value, as defined in [Y. Il’yasov, On extreme values manifold via nonlinear Rayleigh’s quotient, Topol. Methods Nonlinear Anal. 49 (2017) 683–714], when potential may change its sign, text], is a continuous function, real parameter...
Compactness of sign-changing solutions to scalar curvature-type equations with bounded negative part
OBJECTIVES To define the sensitivity, specificity and accuracy of the ultrasound triangular cord sign and hepatic histopathology, in isolation or in combination, for diagnostic differentiation between biliary atresia and intrahepatic cholestasis. METHODS This was a retrospective study carried out between January 1990 and December 2004. Fifty-one cases of biliary atresia and 45 of intrahepatic...
BACKGROUNDS Intracranial post-operative re-haemorrhage is an important complication in patients with hypertensive intracerebral haemorrhage (ICH). The purpose of the present study was to determine the value of the computed tomography (CT) blend sign in predicting post-operative re-haemorrhage in patients with ICH. METHODS A total of 126 patients with ICH were included in the present study. Al...
Phosphataemia has been investigated in 54 patients with Gram-negative septicaemias; either absolute (serum phosphate <2 mg./100 ml.) or relative (P./B.U.N. 0.04) hypophosphataemia was found in 69% of all determinations. In 37 patients with Gram-positive septicaemias hypophosphataemia was present in only 24%, many of whom had additional Gram-negative bacteriuria and possible Gram-negative septic...
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