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A diet consisting of 15% of calories as pistachio nuts (about 2-3 ounces per day) over a four week period can favorably improve some lipid profiles in subjects with moderate hypercholesterolemia and may reduce risk of coronary disease.

BACKGROUND AND PURPOSE:Intracranial aneurysms with irregular shapes and blebs or secondary outpouchings have been correlated with increased rupture risk. The purpose of this study was to investigate possible associations between the local hemodynamics and the formation of blebs in cerebral aneurysms.

Summary. Three hundred and sixty-seven strains of pioneer streptococci isolated from the mouths of 40 healthy, full-term infants during the first month of life were examined by two taxonomic schemes that incorporated biochemical and physiological characteristics, IgAl protease production and glycosidase activities. Streptococcus mitis biovar 1 and S. oralis comprised 55-0 YO of the pioneer streptococci isolated from neonates. S. salivarius constituted 25.3% of the isolates, while S. anginosus, S. mitis biovar 2, S. sanguis and S. gordonii accounted collectively for 1 1.4 % . Difficulties in identifying streptococci were encountered and 8.4% of the 367 isolates could not be assigned to a recognised species.

Summary:Hospital records of 120 patients undergoing aortic valve replacement were retrospectively reviewed for risk factors associated with early aortic valve replacement, Patients were separated into four groups (rheumatic, congcnital bicuspid. degenerative, and miscellaneous) based upon the morphologic etiology of aortic stenosis. Multiplc regression analysis was performed using age at surgcry as the dependent variable. lndependent variables for the study were race, gender, systemic hypertension, total triglyceride level, total serum cholesterol level, tobacco smoking history, diabetes mellitus, and angiographic coroiiary artery disease. In the rheumatic valve group only showed a statistically significant risk effect whereas in the congenital bicuspid valve group i u w , g n idcv.? and tri,qIycwicle.s were statistically correlated with age at surgcry. In the degenerative valve group ,qencIcr and .snioAiri,q were found to be statistically significant risk factors. The establishment of aortic stenosis risk factors might be an indication for clinical trials of risk factor modification i n patients with aortic stenosis.

BACKGROUND AND PURPOSE:The anterior communicating artery (AcomA) is a predilect location of aneurysms which typically carry higher rupture risks than other locations in the anterior circulation. The purpose of this study was to characterize the different flow types present in AcomA aneurysms and to investigate possible associations with rupture.

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