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actively proliferating. When the cell growth in vivo becomes stationary, sialic acid is added to the galactose on the nonreducing end (17). The antigen molecule was extracted from MM2 cells by hypotonic incubation and was partially purified by sucrose density gradient centrifugation (18). The humoral factor has a specific binding affinity mainly to the saccharide moiety of the antigen molecule....
actively proliferating. When the cell growth in vivo becomes stationary, sialic acid is added to the galactose on the nonreducing end (17). The antigen molecule was extracted from MM2 cells by hypotonic incubation and was partially purified by sucrose density gradient centrifugation (18). The humoral factor has a specific binding affinity mainly to the saccharide moiety of the antigen molecule....
OBJECTIVES We sought to determine the reliability of the proximal isovelocity surface area (PISA) method for calculation of effective regurgitant orifice (ERO) of aortic regurgitation (AR). BACKGROUND The ERO area can be calculated by the PISA method, but this method has not been validated in AR. METHODS ERO calculation by the PISA method was undertaken prospectively in 71 consecutive patie...
Impact of coronary vasa vasorum functional structure on coronary vessel wall perfusion distribution.
Noncoronary vasa vasorum have been described as networks of microvessels in the wall of arteries and veins. However, we have shown, using microcomputerized tomography (micro-CT) imaging methods, that porcine coronary vasa vasorum have a tree-like branching structure similar to the vasculature in general. In this study, we elucidate functional aspects of coronary vasa vasorum perfusion territori...
BACKGROUND Intravascular ultrasound was used to assess the immediate effect of balloon angioplasty on the superficial femoral artery. METHODS AND RESULTS In 16 consecutive patients, corresponding ultrasonic cross sections (n = 72) before and after balloon angioplasty were qualitatively and quantitatively analyzed. The qualitative data were compared with angiographic findings. Before intervent...
BACKGROUND A number of imaging factors can affect the orientation distribution function (ODF) reconstruction in high angular resolution diffusion imaging (HARDI). The aim of this study was to investigate the effect of the b-value on the HARDI reconstruction and to seek for the appropriate b-value for ODF reconstruction from clinical HARDI data. METHODS Diffusion MRI data with various b-values...
OBJECTIVES We report intravascular ultrasound (IVUS) findings after crush-stenting of bifurcation lesions. BACKGROUND Preliminary results with the crush-stent technique are encouraging; however, isolated reports suggest that restenosis at the side branch (SB) ostium continues to be a problem. METHODS Forty patients with bifurcation lesions underwent crush-stenting with the sirolimus-eluting...
INTRODUCTION Multimorbidity adversely affects health-related quality of life. Methodological factors may impact the magnitude of this relationship. OBJECTIVE To evaluate how physical health-related quality of life varies in individuals with multimorbidity depending on the length of the list of candidate conditions considered. METHODS Secondary analysis from PRECISE, a cohort study of the ge...
BACKGROUND Endovascular radiation is emerging as a potential solution for the prevention and treatment of restenosis. Its effects on the morphology of unstented vessels cannot be determined by angiography and therefore require the use of intravascular ultrasound. METHODS AND RESULTS Through a 5F noncentered catheter for delivery of a 90Sr/Y source train, 12, 14, or 16 Gy at 2 mm was delivered...
OBJECTIVE To assess the feasibility and reliability of apparent diffusion coefficient (ADC) measurements of normal adrenal glands. MATERIALS AND METHODS This was a retrospective study involving 32 healthy subjects, divided into two groups: prepubertal (PreP, n = 12), aged from 2 months to 12.5 years (4 males; 8 females); and postpubertal (PostP, n = 20), aged from 11.9 to 61 years (5 males; 1...
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